CN221144338U - Gear planing drill bit - Google Patents

Abstract

The utility model discloses a gear shaping drill bit, which belongs to the field of drills and comprises a gear shaping drill bit body and a drill rod, wherein an installation mechanism is arranged to be matched with the gear shaping drill bit body for use, after a connecting column at the top end of the gear shaping drill bit body is inserted into a connecting groove formed in the bottom surface of a fixed column installed at the bottom end of the drill rod, clamping blocks installed on the outer walls of movable blocks in four sides of the outer wall of the connecting column are aligned with bayonets on the outer wall of the fixed column when the gear shaping drill bit body is rotated, and a rotating bolt drives a connecting block to move outwards in a groove through a rotating block, so that the movable block is driven to move outwards in a notch through the connecting block until the clamping blocks are inserted into the bayonets, thereby achieving the purpose of conveniently installing and fixing the gear shaping drill bit body at the bottom end of the drill rod, and the rotating bolt drives the movable block to move out of the bayonets through the inward pushing of the rotating block during disassembly, so that the gear shaping drill bit body can be disassembled from the bottom end of the drill rod.

Description

Gear planing drill bit

Technical Field

The utility model relates to the field of drill bits, in particular to a gear shaving drill bit.

Background

The PDC drill bit is a rock breaking tool widely used in the petroleum and natural gas exploration and development industry at present, effectively improves a mechanical drilling tool and shortens the drilling period.

In the prior art, the types and the quantity of drill bits for oilfield drilling on the current market are very many, the gear shaping drill bit just belongs to one of a plurality of drill bits, and the existing gear shaping drill bit can appear wearing and tearing damage after long-time use, therefore, the gear shaping drill bit needs to be replaced, but the existing operation is complicated and complicated when the gear shaping drill bit is replaced, the drill bit is connected with a drill rod through threads when being connected, and the drill bit is relatively hard to detach from the drill rod in the drilling process due to relatively large stress, meanwhile, the problem of thread slipping also easily occurs after long-time use, so that inconvenience is brought to the disassembly, the replacement and the use of the drill bit.

Disclosure of utility model

The utility model mainly aims to provide a gear shaving drill bit which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a gear shaping drill bit, includes gear shaping drill bit body and drilling rod, the installation mechanism fixed connection on the bottom surface of drilling rod that gear shaping drill bit body passes through the top, and installation mechanism includes spliced pole, movable block, fixture block and bolt, spliced pole fixed connection is on the top of gear shaping drill bit body, and the connecting block swing joint of movable block through the bottom surface is in the outer wall four sides of spliced pole, fixture block fixed connection is on the lateral wall of movable block, the screw hole swing joint of bolt and spliced pole outer wall four sides, and the bolt is still through the turning block and the connecting block swing joint of inboard end.

Preferably, the bottom fixed mounting of drilling rod has the fixed column, and the spread groove has been seted up to the bottom surface of fixed column, the bayonet socket with the spread groove intercommunication has been seted up respectively to the outer wall four sides of fixed column.

Preferably, the top end of the planing tooth drill bit body is fixedly provided with a connecting column corresponding to the connecting groove, four sides of the outer wall of the connecting column are respectively provided with a notch, the inner bottom surface of the notch is provided with a groove, and two sides of the inner wall of the groove are respectively provided with a sliding groove.

Preferably, screw holes communicated with the grooves are respectively formed in four sides of the outer wall of the connecting column and below the notch.

Preferably, the clamping block corresponding to the bayonet is fixedly arranged on the outer side wall of the movable block, the connecting block is fixedly arranged on the bottom surface of the movable block, the sliding blocks are fixedly arranged on the left side wall and the right side wall of the connecting block respectively, the sliding blocks are movably arranged in the sliding grooves, and the front end wall of the connecting block is also provided with a convex groove.

Preferably, the bolt is in threaded connection with the threaded hole, and a rotating block is fixedly arranged at the inner side end of the bolt and movably arranged in the convex groove.

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, the installation mechanism is matched with the upper gear shaping drill bit body, after the connecting column at the top end of the gear shaping drill bit body is inserted into the connecting groove arranged on the bottom surface of the fixed column installed at the bottom end of the drill rod, the clamping blocks installed on the outer walls of the movable blocks in the four sides of the outer wall of the connecting column are aligned with the bayonets on the outer wall of the fixed column when the gear shaping drill bit body is rotated, the connecting block is driven by the rotating bolt to move outwards in the groove through the rotating block, so that the movable block is driven to move outwards in the notch through the connecting block, until the fixture block inserts in the bayonet socket to reach the purpose of conveniently installing the gear shaping drill bit body fast and fixing in the drilling rod bottom, and the rotation bolt drives the movable block through the inboard propelling movement connecting block of turning block when dismantling and shifts out from the bayonet socket to the fixture block, can dismantle the gear shaping drill bit body from the drilling rod bottom, so that dismantle the gear shaping drill bit body fast, and then make things convenient for the gear shaping drill bit body to dismantle and change the use, easy operation convenient and fast that dismouting, and avoided the problem that traditional connected mode brought.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the fixing post of the present utility model;

Fig. 3 is a schematic view showing the mounting mechanism of the present utility model in a split structure.

In the figure: 1. a gear shaping bit body; 2. a drill rod; 3. a mounting mechanism; 4. fixing the column; 5. a connecting groove; 6. a bayonet; 7. a connecting column; 8. a notch; 9. a groove; 10. a chute; 11. a threaded hole; 12. a movable block; 13. a clamping block; 14. a connecting block; 15. a slide block; 16. a convex groove; 17. a bolt; 18. and rotating the block.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a gear shaping drill bit comprises a gear shaping drill bit body 1 and a drill rod 2, wherein the gear shaping drill bit body 1 is fixedly connected to the bottom surface of the drill rod 2 through a mounting mechanism 3 at the top end, the mounting mechanism 3 comprises a connecting column 7, a movable block 12, a clamping block 13 and a bolt 17, the connecting column 7 is fixedly connected to the top end of the gear shaping drill bit body 1, the movable block 12 is movably connected to the four sides of the outer wall of the connecting column 7 through a connecting block 14 at the bottom surface, the clamping block 13 is fixedly connected to the outer side wall of the movable block 12, the bolt 17 is movably connected with threaded holes 11 at the four sides of the outer wall of the connecting column 7, and the bolt 17 is movably connected with a connecting block 14 through a rotating block 18 at the inner side end.

As shown in fig. 1-3, in this embodiment, in order to facilitate the dismounting and replacement of the shaved tooth drill bit body 1 by the mounting mechanism 3, the bottom end of the drill rod 2 is fixedly provided with a fixing post 4, the bottom surface of the fixing post 4 is provided with a connecting slot 5, four sides of the outer wall of the fixing post 4 are respectively provided with a bayonet 6 communicated with the connecting slot 5, the top end of the shaved tooth drill bit body 1 is fixedly provided with a connecting post 7 corresponding to the connecting slot 5, four sides of the outer wall of the connecting post 7 are respectively provided with a notch 8, the inner bottom surface of the notch 8 is provided with a groove 9, two sides of the inner wall of the groove 9 are respectively provided with a chute 10, four sides of the outer wall of the connecting post 7 and positioned below the notch 8 are respectively provided with a threaded hole 11 communicated with the groove 9, the outer side wall of the movable block 12 is fixedly provided with a clamping block 13 corresponding to the bayonet 6, the bottom surface of the movable block 12 is fixedly provided with a connecting block 14, the left and right side walls of the connecting block 14 are respectively fixedly provided with a sliding block 15, the sliding block 15 is movably mounted in the chute 10, the front end wall of the connecting block 14 is also provided with a convex groove 16, the convex block 17 is rotatably connected with the threaded hole 18, and the inner side of the convex block 17 is rotatably mounted in the threaded hole 18;

The specific use principle of the mounting mechanism 3 matched with the upper planing tooth drill bit body 1 is as follows: when the gear shaping bit body 1 is installed, the connecting column 7 installed on the top surface of the gear shaping bit body 1 is inserted into the connecting groove 5 formed on the bottom surface of the fixed column 4 installed on the bottom surface of the drill rod 2, the clamping block 13 on the outer wall of the movable block 12 installed in the notch 8 formed on the four sides of the outer wall of the connecting column 7 is aligned with the connecting groove 5 formed on the outer side wall of the fixed column 4 by rotating the connecting column 7 through the gear shaping bit body 1, then, the bolts 17 positioned on the four sides of the outer wall of the connecting column 7 are sequentially rotated, the bolts 17 realize the threaded rotation operation in the threaded holes 11 formed on the four sides of the outer wall of the connecting column 7, the rotating block 18 installed on the inner side end is driven to rotate in the convex groove 16 formed on the front end wall of the connecting block 14 in the process of the threaded rotation operation, the connecting block 14 is driven to move in the outer direction in the groove 9 formed on the inner bottom surface of the notch 8 through the rotating block 18 in the process of continuously rotating the bolts 17, and the sliding blocks 15 arranged on the left and right side walls of the connecting block 14 slide in the grooves of the sliding grooves 10 arranged on the two sides of the inner wall of the groove 9 during movement, meanwhile, the connecting block 14 synchronously drives the movable block 12 to move outwards in the openings 8 arranged on the four sides of the outer wall of the connecting column 7 until the clamping blocks 13 arranged on the outer side wall of the movable block 12 are inserted into the bayonets 6 arranged on the four sides of the outer wall of the fixed column 4, and the bolts 17 can not rotate any more, so that the gear shaping bit body 1 can be conveniently and quickly arranged and fixed at the bottom end of the drill rod 2 for use, if the gear shaping bit body 1 is worn and damaged after long-time use, the bolts 17 on the four sides of the outer wall of the connecting column 7 can be rotated, and the bolts 17 push the connecting block 14 inwards through the rotating blocks 18, the connecting block 14 drives the movable block 12 to move towards the inner side direction in the notch 8, so that the clamping block 13 moves out of the bayonet 6, the planing tooth drill bit body 1 is conveniently and rapidly detached from the drill rod 2 to replace the new planing tooth drill bit body 1, and the planing tooth drill bit body 1 is convenient to disassemble, assemble, replace and use, and the disassembly operation is simple, convenient and quick.

The foregoing is only illustrative of the preferred embodiments of the present utility model and, although the present utility model has been described in detail with reference to the foregoing embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.

Claims (6)

1. The utility model provides a gear shaping drill bit, includes gear shaping drill bit body (1) and drilling rod (2), its characterized in that: the utility model provides a gear shaping drill bit body (1) is through the bottom surface of installation mechanism (3) fixed connection on drilling rod (2) on top, and installation mechanism (3) are including spliced pole (7), movable block (12), fixture block (13) and bolt (17), spliced pole (7) fixed connection is on the top of gear shaping drill bit body (1), and movable block (12) are in the outer wall four sides of spliced pole (7) through connecting block (14) swing joint on the bottom surface, fixture block (13) fixed connection is on the lateral wall of movable block (12), screw hole (11) swing joint of bolt (17) and spliced pole (7) outer wall four sides, and bolt (17) are still through turning block (18) and connecting block (14) swing joint of inboard end.

2. A gear shaping drill according to claim 1, wherein: the bottom fixed mounting of drilling rod (2) has fixed column (4), and spread groove (5) have been seted up to the bottom surface of fixed column (4), bayonet socket (6) with spread groove (5) intercommunication have been seted up respectively to the outer wall four sides of fixed column (4).

3. A gear shaping drill according to claim 2, wherein: the top fixed mounting of gear shaping drill bit body (1) has spliced pole (7) that correspond with spread groove (5), and has seted up opening (8) respectively on the outer wall four sides of spliced pole (7), recess (9) have been seted up to the inside bottom surface of opening (8), and spout (10) have been seted up respectively on the inslot wall both sides of recess (9).

4. A gear shaping drill according to claim 3, wherein: screw holes (11) communicated with the grooves (9) are respectively formed in the four sides of the outer wall of the connecting column (7) and below the notch (8).

5. A gear shaping drill according to claim 4, wherein: the clamping block (13) corresponding to the bayonet (6) is fixedly arranged on the outer side wall of the movable block (12), the connecting block (14) is fixedly arranged on the bottom surface of the movable block (12), the sliding blocks (15) are fixedly arranged on the left side wall and the right side wall of the connecting block (14) respectively, the sliding blocks (15) are movably arranged in the sliding groove (10), and the front end wall of the connecting block (14) is also provided with a convex groove (16).

6. A gear shaping drill according to claim 5, wherein: the bolt (17) is in threaded connection with the threaded hole (11), a rotating block (18) is fixedly arranged at the inner side end of the bolt (17), and the rotating block (18) is movably arranged in the convex groove (16).