CN212985132U

CN212985132U - Drilling bit for oil exploration

Info

Publication number: CN212985132U
Application number: CN202021949593.3U
Authority: CN
Inventors: 江海防
Original assignee: Renqiu Fengrui Bit Manufacturing Co ltd
Current assignee: Renqiu Fengrui Bit Manufacturing Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-04-16
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a drilling bit for oil exploration, which comprises a bit and a connecting part, wherein the bit is welded on the lower end surface of the connecting part; adapting unit includes the centre gripping cavity, the limiting plate, jack catch guiding mechanism, the support column, spacing triangular prism, jack catch structure, the centre gripping cavity welds in the drill bit top, the limiting plate welds inside the centre gripping cavity, be equipped with jack catch guiding mechanism between bottom and the limiting plate bottom in the centre gripping cavity, the support column runs through and cooperates in the middle of jack catch guiding mechanism through the bearing, the utility model discloses a be equipped with adapting unit, through mutually supporting with the head that creeps into the pole, through jack catch structure and the mutual lock of pole that creeps into, thereby realize and creep into pole lock, and because the recess that creeps into that the pole was equipped with and spacing triangular prism mutually supports makes the pole rotation of creeping into can drive adapting unit together rotatory and drive the drill bit rotation of welding at its lower extreme, thereby the inconvenient problem.

Description

Drilling bit for oil exploration

Technical Field

The utility model relates to a well drilling drill bit for oil exploration belongs to the oil exploration field.

Background

The petroleum drilling bit is mainly used for the exploitation and exploration work of fossil energy and mainly takes charge of the drilling work of petroleum exploration wells, a cone bit or a diamond compact bit in a single form is generally arranged on the market and is connected with a drilling rod through threads, but in actual use, the problem that sliding teeth or threads are not meshed with each other often occurs in a threaded connection mode, so that the petroleum drilling bit is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, this utility provides a well drilling drill bit for oil exploration.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a drilling bit for petroleum exploration structurally comprises a bit and a connecting part, wherein the bit is welded on the lower end face of the connecting part; adapting unit includes centre gripping cavity, limiting plate, jack catch guiding mechanism, support column, spacing triangular prism, jack catch structure, the centre gripping cavity welds in the drill bit top, the limiting plate welds inside the centre gripping cavity, be equipped with jack catch guiding mechanism between bottom and the limiting plate bottom in the centre gripping cavity, the support column runs through and cooperates in the middle of the jack catch guiding mechanism through the bearing, support column one end welds in the middle of the bottom in the centre gripping cavity, and the other end welds in the middle of the limiting plate lower surface, spacing triangular prism welds in the middle of the limiting plate upper surface, the jack catch structure is equipped with three evenly distributed in the limiting plate upper end, the structural upper end of jack catch runs through and sliding fit in the limiting plate, lower.

Preferably, jack catch guiding mechanism comprises adjusting lever, gear, rotor plate, the adjusting lever is equipped with threely, and evenly runs through centre gripping cavity inner wall, the gear is close to support column one end through the key-type in the adjusting lever, the rotor plate is located the limiting plate below and with gear and gear face intermeshing, jack catch guiding mechanism is convenient for make firm lock of jack catch structure and creep into the pole.

Preferably, the jaw structure comprises a movable plate and a jaw, the jaw penetrates through the limiting plate and is in sliding fit with the limiting plate, the upper end face of the movable plate is welded to the lower surface of the jaw, the lower end face of the movable plate is matched with the rotating plate, and the jaw structure is buckled with an external drilling rod.

Preferably, the clamping cavity is a hollow cylinder without a top, three openings for the clamping jaws to pass through are uniformly formed in the edge of the curved surface of the clamping cavity, and the clamping cavity comprises all working components.

Preferably, the limiting plate is a circular plate matched with the inner wall of the clamping cavity, a sliding groove corresponding to the opening of the clamping cavity and matched with the clamping jaw in a sliding mode is formed in the limiting plate, and the limiting plate limits the moving position of the clamping jaw.

Preferably, the rotating plate is a circular plate in clearance fit with the inner ring of the clamping cavity, the upper end surface of the rotating plate extends out of the moving strip, the lower end surface of the rotating plate extends out of teeth meshed with the gear surface of the gear, and the jaw structure can be adjusted by the rotating plate.

Preferably, the movable plate is a cuboid, a groove buckled with the movable strip of the rotating plate is formed in the lower end of the movable plate, and the movable plate can be driven to move towards the circle center of the rotating plate due to the rotation of the rotating plate.

Advantageous effects

The utility model relates to a well drilling drill bit for oil exploration has following effect:

1. the utility model discloses a be equipped with adapting unit, through mutually supporting with the head that creeps into the pole, through the jack catch structure with creep into the mutual lock of pole, thereby realize and creep into pole lock locking, thereby it can drive adapting unit rotatory together to drive the drill bit rotation of welding at its lower extreme because the recess that creeps into that pole was equipped with and spacing triangular prism is mutually supported, thereby this adapting unit's use has solved the drill bit and has used the inconvenient problem of threaded connection with the connecting rod.

2. The utility model discloses a be equipped with jack catch guiding mechanism, through mutually supporting of jack catch guiding mechanism and jack catch structure, realized that it makes the movable plate above lock and the rotor plate to remove to the centre of a circle to drive the jack catch towards the centre of a circle removal to drive the rotor plate rotation through rotatory adjusting lever, how to make the firm lock of jack catch in the problem of creeping into the pole has been solved in this jack catch guiding mechanism's use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a drilling bit for oil exploration according to the present invention;

fig. 2 is a schematic top view of a partial anatomy of a connection component of the present invention;

fig. 3 is an anatomical schematic view of the connecting component of the present invention along the direction a-a.

In the figure: the device comprises a drill bit-1, a connecting part-2, a clamping cavity-21, a limiting plate-22, a jaw adjusting mechanism-23, a supporting column-24, a limiting triangular column-25, a jaw structure-26, an adjusting rod-231, a gear-232, a rotating plate-233, a moving plate-261 and a jaw-262.

Detailed Description

For making the utility model discloses technical means, creation characteristic, achievement purpose and efficiency that realize are easily understood and are known, and fig. 1 ~ 3 are schematic showing the utility model discloses embodiment's farming irrigation mechanism's structure combines specific implementation below, further explains the utility model discloses.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Examples

As shown in fig. 1-3, the utility model provides a well drilling drill bit for oil exploration: the structure of the drill comprises a drill bit 1 and a connecting part 2, wherein the drill bit 1 is welded on the lower end surface of the connecting part 2; adapting unit 2 includes centre gripping cavity 21, limiting plate 22, jack catch guiding mechanism 23, support column 24, spacing triangular prism 25, jack catch structure 26, centre gripping cavity 21 welds in 1 top of drill bit, limiting plate 22 welds inside centre gripping cavity 21, be equipped with jack catch guiding mechanism 23 between bottom and the limiting plate 22 bottom in the centre gripping cavity 21, support column 24 runs through and cooperates in the middle of jack catch guiding mechanism 23 through the bearing, support column 24 one end welds in centre gripping cavity 21 bottom, and the other end welds in the middle of the limiting plate 22 lower surface, spacing triangular prism 25 welds in the middle of the limiting plate 22 upper surface, jack catch structure 26 is equipped with three evenly distributed in the limiting plate 22 upper end, jack catch structure 26 upper end runs through and slides limiting plate and cooperates in 22, lower extreme and the 23 upper end lock of jack catch guiding mechanism.

Jaw guiding mechanism 23 comprises adjusting lever 231, gear 232, rotor plate 233, adjusting lever 231 is equipped with threely, and evenly runs through centre gripping cavity 21 inner wall, gear 232 is close to support column 24 one end through the key-type in adjusting lever 231, rotor plate 233 locate limiting plate 22 below and with gear 232 gear face intermeshing, jaw guiding mechanism 23 is convenient for make the firm lock of jaw structure 26 and creep into the pole.

The jaw structure 26 is composed of a moving plate 261 and a jaw 262, the jaw 262 penetrates through and is in sliding fit with the limiting plate 22, the upper end face of the moving plate 261 is welded on the lower surface of the jaw 262, the lower end face of the moving plate 261 is in mutual fit with the rotating plate 233, and the jaw structure 26 is buckled with an external drilling rod.

The clamping cavity 21 is a hollow cylinder without a top, three openings for the clamping claws 262 to pass through are uniformly arranged on the edge of the curved surface of the clamping cavity, and the clamping cavity 21 comprises all working components.

The limiting plate 22 is a circular plate matched with the inner wall of the clamping cavity 21, and is provided with a sliding groove corresponding to the opening of the clamping cavity 21 and matched with the clamping jaw 262 in a sliding manner, and the limiting plate 22 limits the moving position of the clamping jaw 262.

The rotating plate 233 is a circular plate with a clearance fit to the inner ring of the clamping cavity 21, the upper end surface of the rotating plate extends to form a moving strip, the lower end surface of the rotating plate extends to form teeth meshed with the gear surface of the gear 232, and the rotating plate 233 enables the jaw structure 26 to be adjusted.

The moving plate 261 is a rectangular parallelepiped, and a groove engaged with the moving strip of the rotating plate 233 is formed in the lower end of the moving plate 261, and the moving plate 261 is driven to move toward the center of the rotating plate 233 by the rotation of the rotating plate 233.

The following is a description of the working principle of the drilling bit for oil exploration provided by the present invention:

during the use, the drilling rod is sleeved into the clamping cavity 21, the middle groove of the drilling rod is matched with the limiting triangular column 25, then the adjusting rod 231 of the three jaw adjusting mechanisms 23 is rotated to drive the gear 232 connected with the adjusting rod to rotate so as to drive the rotating plate 233 to rotate around the supporting column 24, the moving plate 261 buckled in the jaw structure 26 of the moving strip at the upper end of the rotating plate 233 is made to rotate to translate towards the circle center along the sliding groove of the limiting plate 22, the jaw 262 welded at the upper end of the moving plate 261 is driven to translate inwards, finally the jaw 262 is tightly buckled on the drilling rod, when the drilling rod rotates, the limiting triangular column 25 and the jaw structure 26 are used for ensuring that the drilling rod can be tightly buckled and driving the connecting part 2 to rotate, and therefore the drill bit.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a well drilling drill bit for oil exploration, its structure includes drill bit (1), adapting unit (2), its characterized in that: the drill bit (1) is welded on the lower end face of the connecting part (2); the connecting component (2) comprises a clamping cavity (21), a limiting plate (22), a jaw adjusting mechanism (23), a supporting column (24), a limiting triangular column (25) and a jaw structure (26), the clamping cavity (21) is welded above the drill bit (1), the limiting plate (22) is welded inside the clamping cavity (21), the jaw adjusting mechanism (23) is arranged between the bottom of the clamping cavity (21) and the bottom of the limiting plate (22), the supporting column (24) penetrates through and is matched in the middle of the jaw adjusting mechanism (23) through a bearing, one end of the supporting column (24) is welded in the middle of the bottom of the clamping cavity (21), the other end of the supporting column is welded in the middle of the lower surface of the limiting plate (22), the limiting triangular column (25) is welded in the middle of the upper surface of the limiting plate (22), and the jaw structure (26) is provided with, the upper end of the jaw structure (26) penetrates through and is in sliding fit with the limiting plate (22), and the lower end of the jaw structure is buckled with the upper end of the jaw adjusting mechanism (23).

2. The drill bit for petroleum exploration as recited in claim 1, wherein: jack catch guiding mechanism (23) comprises adjusting lever (231), gear (232), rotor plate (233), adjusting lever (231) are equipped with threely, and evenly run through centre gripping cavity (21) inner wall, gear (232) are close to support column (24) one end in adjusting lever (231) through the key-type connection, rotor plate (233) locate limiting plate (22) below and with gear (232) gear face intermeshing.

3. The drill bit for petroleum exploration as recited in claim 1, wherein: the clamping jaw structure (26) is composed of a moving plate (261) and a clamping jaw (262), the clamping jaw (262) penetrates through and is in sliding fit with the limiting plate (22), the upper end face of the moving plate (261) is welded on the lower surface of the clamping jaw (262), and the lower end face of the moving plate is matched with the rotating plate (233).

4. The drill bit for petroleum exploration as recited in claim 1, wherein: the clamping cavity (21) is a hollow cylinder without a top, and three openings for the clamping claws (262) to pass through are uniformly formed in the edge of the curved surface of the clamping cavity.

5. The drill bit for petroleum exploration as recited in claim 1, wherein: the limiting plate (22) is a circular plate matched with the inner wall of the clamping cavity (21) and is provided with a sliding groove which corresponds to the opening of the clamping cavity (21) and is in sliding fit with the clamping jaw (262).

6. The drill bit for oil exploration according to claim 2, wherein: the rotating plate (233) is a circular plate in clearance fit with the inner ring of the clamping cavity (21), the upper end surface of the rotating plate extends out of a moving strip, and the lower end surface of the rotating plate extends out of teeth meshed with the gear surface of the gear (232).

7. A drill bit for oil exploration, as claimed in claim 3, wherein: the moving plate (261) is a cuboid, and a groove buckled with the moving strip of the rotating plate (233) is formed in the lower end of the moving plate.