CN218862537U

CN218862537U - Durable drill bit for petroleum exploration drilling

Info

Publication number: CN218862537U
Application number: CN202222612012.2U
Authority: CN
Inventors: 张凯; 牛玉峰; 汪浩; 王鹏; 李丹丹; 陈兆龙
Original assignee: Shenzhen Mobei Energy Technology Co ltd
Current assignee: Shenzhen Mobei Energy Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-04-14
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the technical field of oil exploration, and a durable drill bit for oil exploration drilling is disclosed, including the drill bit body, three mounting groove, every have been seted up to the surface of drill bit body the installation piece has been cup jointed in the equal activity of inboard of mounting groove, the outside fixedly connected with palm of the tooth of installation piece, the inboard fixed mounting of installation piece has the connecting rod. The utility model discloses a set up the connecting rod, the arc piece, stopper and threaded rod, through the cooperation between installation piece and the mounting groove, make can install the bit leg in the outside of drill bit body, because the rotation of threaded rod this moment, will exert a thrust to the fly leaf, thereby can drive the briquetting and extrude the inboard of arc piece, make the arc piece will carry out back of the body motion along the surface of connecting rod, and then can drive the stopper and pass the installation piece, simultaneously because the cooperation between stopper and the mounting groove, consequently can fix the bit leg, be convenient for replace the gear wheel, reduce its cost.

Description

Durable drill bit for petroleum exploration drilling

Technical Field

The utility model belongs to the technical field of oil exploration, specifically be a durable drill bit is used in oil exploration drilling.

Background

Oil exploration refers to finding and finding oil and gas resources, underground geological conditions are known by various exploration means, drilling is often needed in exploration, a drill bit is an indispensable tool in the drilling process, the drill bit in the prior art can realize the basic rock breaking function in the actual use process, the cone is easy to wear after long-time operation, the drilling effect of the cone can be affected, meanwhile, the cone and the drill bit are usually in an integrated design, so that the cone cannot be independently replaced according to the damaged part of the cone, the cost of the drill bit is increased, inconvenience is brought to workers, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a durable drill bit is used in oil exploration drilling to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a durable drill bit for oil exploration drilling, includes the drill bit body, three mounting groove, every have been seted up to the surface of drill bit body the installation piece has been cup jointed in the equal activity of inboard of mounting groove, the outside fixedly connected with gripper of installation piece, the inboard fixed mounting of installation piece has the connecting rod, arc piece and first spring have been cup jointed in the surface activity of connecting rod, the outside fixedly connected with stopper of arc piece, the threaded rod has been cup jointed to the bottom screw thread of gripper, the fly leaf has been cup jointed in the inboard activity of gripper, the top fixedly connected with briquetting of fly leaf.

Preferably, the notch has been seted up to the bottom of drill bit body, the inside fixedly connected with round bar of notch, the surface of round bar from left to right has movably cup jointed movable block and second spring in proper order, the bottom fixedly connected with erection joint of movable block, the bottom fixed mounting of drill bit body has spacing axle, spacing dish has been cup jointed in the surface activity of spacing axle, the hollow tube has been cup jointed in the top activity of drill bit body.

Preferably, the outer surface of the hollow pipe is provided with a plurality of round holes, the middle part of the drill bit body is provided with a water tank, the top of the water tank is fixedly communicated with a water delivery pipe, and the top of the drill bit body is fixedly sleeved with a spray head.

Preferably, the number of the arc blocks and the number of the first springs are two, and the two first springs are elastically supported between the mounting block and the arc blocks.

Preferably, the pressing block is in a conical shape, and the pressing block is connected with the inner side of the arc block in a pressing mode.

Preferably, the top and the fly leaf extrusion of threaded rod are connected, the stopper passes the installation piece and cup joints with the mounting groove activity.

Preferably, the top of the bit leg is provided with a roller cone, and each roller cone is connected in a meshing manner.

Preferably, the quantity of erection joint is four, four the surface of erection joint all is equipped with the screw thread, spacing dish can support the inboard of erection joint when the surface downstream along spacing axle, second spring elastic support is between movable block and notch.

Preferably, the surface of hollow tube bottom is equipped with the screw thread, hollow tube and spacing dish screw thread cup joint.

Preferably, the round hole is fixedly communicated with the water tank, and the water delivery pipe is fixedly communicated with the spray head.

The beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the connecting rod, the arc piece, stopper and threaded rod, through the cooperation between installation piece and the mounting groove, make can install the bit leg in the outside of drill bit body, because the rotation of threaded rod this moment, will exert a thrust to the fly leaf, thereby can drive the briquetting and extrude the inboard of arc piece, make the arc piece will carry out back of the body motion along the surface of connecting rod, and then can drive the stopper and pass the installation piece, simultaneously because the cooperation between stopper and the mounting groove, consequently can fix the bit leg, be convenient for replace the gear wheel, reduce its cost.

2. The utility model discloses a set up the round bar, the second spring, erection joint and spacing dish, cooperation between through round hole and the spacing dish, make the round hole can drive spacing dish and reciprocate along the surface of spacing axle, thereby can drive spacing dish and remove the support to the inboard of erection joint, this moment because the second spring is compression state, consequently, can apply an elasticity to the movable block, and then can drive the erection joint through the cooperation between movable block and the round bar and remove, make and shorten the interval between every erection joint, consequently, can change the holistic diameter of erection joint, be convenient for separate easily between its and the equipment.

3. The utility model discloses a set up round hole, basin, raceway and shower nozzle, can insert external rivers through the hollow tube, because the cooperation between round hole and the basin this moment for rivers will insert the inside of basin through the round hole, simultaneously because the cooperation of raceway and shower nozzle, make rivers will insert the inside and the blowout of shower nozzle through the raceway, and the drill bit body can take place to rotate when the operation, thereby rivers can spray and cool down to the gear wheel to the surface of gear wheel, promote its durability.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the side of the present invention;

fig. 3 is an enlarged schematic view of a in fig. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view of the hollow tube of the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention;

FIG. 6 is a schematic view of the disassembly structure of the bit leg of the present invention;

FIG. 7 is a schematic view of a disassembled structure of the cone of the present invention;

fig. 8 is a schematic view of the internal structure of the present invention.

In the figure: 1. a drill bit body; 2. mounting grooves; 3. mounting a block; 4. a palm of teeth; 5. a cone; 6. a connecting rod; 7. an arc block; 8. a first spring; 9. a limiting block; 10. a threaded rod; 11. a movable plate; 12. pressing into blocks; 13. a notch; 14. a round bar; 15. a movable block; 16. a second spring; 17. installing a connector; 18. a limiting shaft; 19. a limiting disc; 20. a hollow tube; 21. a circular hole; 22. a water tank; 23. a water delivery pipe; 24. and (4) a spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 8, the embodiment of the utility model provides a durable drill bit for oil exploration drilling, including drill bit body 1, three mounting groove 2 has been seted up to drill bit body 1's surface, installation piece 3 has been cup jointed to the equal activity of inboard of every mounting groove 2, the outside fixedly connected with gripper 4 of installation piece 3, the inboard fixed mounting of installation piece 3 has connecting rod 6, arc piece 7 and first spring 8 have been cup jointed in the surface activity of connecting rod 6, arc piece 7's outside fixedly connected with stopper 9, gripper 4's bottom screw thread has cup jointed threaded rod 10, gripper 4's inboard activity has cup jointed fly leaf 11, the top fixedly connected with briquetting 12 of fly leaf 11.

Wherein, through the cooperation between installation piece 3 and the mounting groove 2 for can separate between bit leg 4 and the bit body 1, thereby can replace corresponding bit leg 4 according to the gear wheel 5 that different positions damaged, and then can reduce its cost, the live time is longer.

As shown in fig. 4 and 5, the notch 13 is formed in the bottom of the drill bit body 1, the round rod 14 is fixedly connected inside the notch 13, the movable block 15 and the second spring 16 are sequentially and movably sleeved on the outer surface of the round rod 14 from left to right, the mounting joint 17 is fixedly connected to the bottom of the movable block 15, the limiting shaft 18 is fixedly mounted at the bottom of the drill bit body 1, the limiting disc 19 is movably sleeved on the outer surface of the limiting shaft 18, and the hollow tube 20 is movably sleeved on the top of the drill bit body 1.

Wherein, because install in equipment through the screw thread between the attach fitting 17 among the prior art for the attach fitting 17 can be connected more closely with between the equipment when the drill bit rotates, thereby lead to being difficult to dismantle, through dividing into the four with the attach fitting 17 and wherein have the clearance, and then can drive the attach fitting 17 through the cooperation between movable block 15 and the round bar 14 and move, make the interval between every attach fitting 17 shorten, consequently can change the holistic diameter of attach fitting 17, be convenient for it and easy separation between the equipment.

As shown in fig. 4 and 8, the hollow tube 20 is communicated with an external water pipe, a plurality of circular holes 21 are formed in the outer surface of the hollow tube 20, a water tank 22 is formed in the middle of the drill bit body 1, a water delivery pipe 23 is fixedly communicated with the top of the water tank 22, and a spray head 24 is fixedly sleeved on the top of the drill bit body 1.

Wherein, hollow tube 20 communicates with external water pipe and for the relation that the activity cup jointed for do not influence the rotation of hollow tube 20 self, thereby can carry rivers to hollow tube 20's inside through the water pipe, and then can carry rivers to basin 22's inside through round hole 21.

As shown in fig. 6, the number of the arc blocks 7 and the number of the first springs 8 are two, and the two first springs 8 are elastically supported between the mounting block 3 and the arc block 7.

Wherein, through the design of first spring 8 for arc piece 7 has good elasticity reset performance, and first spring 8 is compression state this moment, consequently can apply an elasticity to arc piece 7, thereby when briquetting 12 relieved the extrusion to arc piece 7, arc piece 7 will drive stopper 9 and relieve spacingly to bit leg 4, and then is convenient for dismantle cone 5.

As shown in fig. 2 and 3, the pressing block 12 is in a conical shape, and the pressing block 12 is connected with the inner side of the arc block 7 in a pressing manner.

Wherein, through the design of briquetting 12 for when briquetting 12 extrudeed the inboard of arc piece 7, will drive arc piece 7 and move to both sides along the outside surface of connecting rod 6.

As shown in fig. 2, 3 and 6, the top end of the threaded rod 10 is connected with the movable plate 11 in an extruding manner, and the limiting block 9 passes through the mounting block 3 and is movably sleeved with the mounting groove 2.

Wherein, through the cooperation between threaded rod 10 and the fly leaf 11 for threaded rod 10 will extrude fly leaf 11 when rotating along the top piece of bit leg 4, thereby can drive briquetting 12 and exert a thrust to arc piece 7, and then can drive stopper 9 and pass installation piece 3 and carry on spacingly to bit leg 4.

As shown in FIG. 1, cones 5 are mounted on the tops of bit legs 4, and each cone 5 is engaged with another cone.

Wherein, will drive gear wheel 5 when rotating through bit body 1 and carry out the breakage to the rock, simultaneously through the cooperation between every gear wheel 5 for will rotate simultaneously between the gear wheel 5.

As shown in fig. 4 and 8, the number of the mounting joints 17 is four, the outer surfaces of the four mounting joints 17 are provided with threads, the limiting disc 19 can support the inner side of the mounting joints 17 when moving downwards along the outer surface of the limiting shaft 18, and the second spring 16 is elastically supported between the movable block 15 and the notch 13.

Wherein, after supporting erection joint 17 through spacing dish 19, because second spring 16 is compression state this moment, consequently can exert an elasticity to movable block 15, second spring 16 is compression state this moment, consequently can exert an elasticity to movable block 15 to can carry on spacingly to movable block 15, and then can fix erection joint 17 on external equipment through the screw thread of erection joint 17 surface.

As shown in fig. 4 and 8, the outer surface of the bottom end of the hollow tube 20 is provided with threads, and the hollow tube 20 is in threaded sleeve connection with the limiting disc 19.

Wherein, through the cooperation of hollow tube 20 and spacing dish 19 for hollow tube 20 will drive spacing dish 19 and reciprocate along the surface of spacing axle 18 when rotating, makes and to drive spacing dish 19 and the separation of erection joint 17 and relieve spacingly to erection joint 17.

As shown in fig. 2 and 4, the circular hole 21 is fixedly communicated with the water tank 22, and the water pipe 23 is fixedly communicated with the spray head 24.

Wherein, make the inside rivers that flow into hollow tube 20 will insert the inside of round hole 21 through round hole 21 to can carry rivers to shower nozzle 24 through raceway 23 and discharge and cool down cone 5.

The working principle and the using process are as follows:

firstly, the bit leg 4 can be installed on the outer side of the bit body 1 through the matching between the installation block 3 and the installation groove 2, at the moment, a thrust force is applied to the movable plate 11 due to the rotation of the threaded rod 10, so that the pressing block 12 can be driven to extrude the inner side of the arc block 7, the arc block 7 can move back and forth along the outer surface of the connecting rod 6, the limiting block 9 can be driven to penetrate through the installation block 3, and meanwhile, due to the matching between the limiting block 9 and the installation groove 2, the bit leg 4 can be fixed, the cone 5 can be conveniently replaced, and the cost is reduced;

then, through the cooperation between the round hole 21 and the limiting disc 19, the round hole 21 can drive the limiting disc 19 to move up and down along the outer surface of the limiting shaft 18, so that the limiting disc 19 can be driven to release the support of the inner side of the mounting joint 17, at the moment, because the second spring 16 is in a compressed state, an elastic force can be applied to the movable block 15, and then the mounting joint 17 can be driven to move through the cooperation between the movable block 15 and the round rod 14, so that the distance between each mounting joint 17 is shortened, the integral diameter of the mounting joint 17 can be changed, and the mounting joint and the equipment can be easily separated;

simultaneously, can insert external rivers through hollow tube 20, because the cooperation between round hole 21 and the basin 22 this moment for rivers will pass through the inside that round hole 21 inserted basin 22, simultaneously because the cooperation of raceway 23 and shower nozzle 24, make rivers will pass through the inside and the blowout of raceway 23 access shower nozzle 24, and bit body 1 can take place to rotate when the operation, thereby rivers can spray and cool down to gear wheel 5 to the surface of gear wheel 5, promote its durability.

It should be noted that, in this document, 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. Also, 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 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 durable drill bit for oil exploration drilling, includes drill bit body (1), its characterized in that: three mounting groove (2), every have been seted up to the surface of drill bit body (1) the inboard equal activity of mounting groove (2) has cup jointed installation piece (3), outside fixedly connected with bit leg (4) of installation piece (3), the inboard fixed mounting of installation piece (3) has connecting rod (6), arc piece (7) and first spring (8) have been cup jointed in the surface activity of connecting rod (6), the outside fixedly connected with stopper (9) of arc piece (7), threaded rod (10) have been cup jointed to the bottom screw thread of bit leg (4), fly leaf (11) have been cup jointed in the inboard activity of bit leg (4), the top fixedly connected with briquetting (12) of fly leaf (11).

2. The durable drill bit for oil exploration drilling according to claim 1, wherein: notch (13) have been seted up to the bottom of drill bit body (1), the inside fixedly connected with round bar (14) of notch (13), movable block (15) and second spring (16) have from left to right been cup jointed in proper order to the activity of the surface of round bar (14), the bottom fixedly connected with erection joint (17) of movable block (15), the bottom fixed mounting of drill bit body (1) has spacing axle (18), spacing dish (19) have been cup jointed in the surface activity of spacing axle (18), hollow tube (20) have been cup jointed in the top activity of drill bit body (1).

3. The durable drill bit for oil exploration drilling according to claim 2, wherein: the drill bit is characterized in that a plurality of round holes (21) are formed in the outer surface of the hollow pipe (20), a water tank (22) is formed in the middle of the drill bit body (1), a water pipe (23) is fixedly communicated with the top of the water tank (22), and a spray head (24) is fixedly sleeved on the top of the drill bit body (1).

4. The durable drill bit for oil exploration drilling according to claim 1, wherein: the number of the arc blocks (7) and the number of the first springs (8) are equal to two, and the first springs (8) are elastically supported between the mounting blocks (3) and the arc blocks (7).

5. The durable drill bit for oil exploration drilling according to claim 1, wherein: the pressing block (12) is conical, and the pressing block (12) is connected with the inner side of the arc block (7) in an extrusion mode.

6. The durable drill bit for oil exploration drilling according to claim 1, wherein: the top and the fly leaf (11) extrusion of threaded rod (10) are connected, stopper (9) pass installation piece (3) and cup joint with mounting groove (2) activity.

7. The durable drill bit for oil exploration drilling according to claim 1, wherein: and the top of the bit leg (4) is provided with a roller cone (5), and the roller cones (5) are connected in a meshing manner.

8. The durable drill bit for oil exploration drilling according to claim 2, wherein: the quantity of erection joint (17) is four, four the surface of erection joint (17) all is equipped with the screw thread, can support the inboard of erection joint (17) when spacing dish (19) moves down along the surface of spacing axle (18), second spring (16) elastic support is between movable block (15) and notch (13).

9. The durable drill bit for oil exploration drilling according to claim 2, wherein: the outer surface of the bottom end of the hollow pipe (20) is provided with threads, and the hollow pipe (20) is in threaded sleeve joint with the limiting disc (19).

10. The durable drill bit for oil exploration drilling according to claim 3, wherein: the round hole (21) is fixedly communicated with the water tank (22), and the water delivery pipe (23) is fixedly communicated with the spray head (24).