CN213360045U - Screw drilling tool for petroleum drilling - Google Patents

Abstract

The utility model discloses a screw drill for petroleum drilling, which comprises a support table; the outer wall of the top end of the support table is connected with a water storage tank through a bolt; the outer wall of one side of the water storage tank is connected with a water pump through a bolt; the outer wall of the bottom end of the support table is connected with a hydraulic telescopic rod through a bolt; the outer wall of one side of the output shaft of the hydraulic telescopic rod is connected with a push plate through a bolt; the outer wall of the bottom end of the push plate is connected with a motor assembly through a bolt; the outer wall of the bottom end of the motor assembly is connected with a screw shell through a bolt; the outer wall of the bottom end of the screw rod shell is fixedly connected with a universal shaft shell through a screw; the outer wall of the bottom end of the universal shaft shell is fixedly connected with a transmission shaft shell through a screw; a transmission main shaft is arranged on the outer wall of the bottom end of the transmission shaft shell; the outer wall of the bottom end of the transmission main shaft is provided with a drill bit. The utility model relates to a through set up three hornblocks of arc, arc inclined groove, apopore on the drill bit, can clear away the mud bag fast for work efficiency prevents that the drill bit from damaging, improves the device practicality.

Description

Screw drilling tool for petroleum drilling

Technical Field

The utility model relates to a belong to screw rod drilling tool technical field, especially relate to a screw rod drilling tool for oil drilling.

Background

The screw drilling tool is an energy conversion device for converting pressure energy of liquid into mechanical energy, a working chamber and a rotor rotate in a stator, torque and rotating speed generated by a motor are transmitted to a transmission shaft and a drill bit through a universal shaft, and the device is an indispensable device for petroleum drilling at present.

Through the retrieval, chinese patent application No. CN201822011912.5 discloses a screw drilling tool for oil drilling machinery, comprising a base plate, a support, a lead screw, ball nut seat, a connecting seat, a rotary rod, square opening, mobile station and a connecting rod, the support is fixed at the bottom plate up end, the lead screw is installed inside the support, and the lead screw upper end passes the support up side and extends to the support upside, ball nut seat suit is at lead screw annular side, the connecting seat is fixed at ball nut seat front end face, connecting seat internally mounted pivot, rotary rod right-hand member face upper portion position processing round hole, the pivot runs through inside the round hole, square opening processing is at the rotary rod right-hand member face of round hole downside, the mobile station runs through and installs inside square opening, mobile station right-hand member face fixed connection pole, the connecting rod right-hand.

The screw drill for the petroleum drilling machine in the patent has the following defects: above-mentioned screw rod drilling tool for oil drilling machinery can influence work efficiency because drill bit mud package problem suddenly when the during operation, can damage the screw rod drilling tool when serious, increase cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the screw rod drilling tool for the oil drilling machinery that exists among the prior art can influence work efficiency because drill bit mud bag problem suddenly at the during operation, can damage screw rod drilling tool, incremental cost when serious.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a screw drill for petroleum drilling comprises a support table; the outer wall of the top end of the support table is connected with a water storage tank through a bolt; the outer wall of one side of the water storage tank is connected with a water pump through a bolt; the outer wall of the bottom end of the support table is connected with a hydraulic telescopic rod through a bolt; the outer wall of one side of the output shaft of the hydraulic telescopic rod is connected with a push plate through a bolt; the outer wall of the bottom end of the push plate is connected with a motor assembly through a bolt; the outer wall of the bottom end of the motor assembly is connected with a screw shell through a bolt; the outer wall of the bottom end of the screw rod shell is fixedly connected with a universal shaft shell through a screw; the outer wall of the bottom end of the universal shaft shell is fixedly connected with a transmission shaft shell through a screw; a transmission main shaft is arranged on the outer wall of the bottom end of the transmission shaft shell; a drill bit is arranged on the outer wall of the bottom end of the transmission main shaft; an arc-shaped inclined groove is processed on the inner wall of one side of the drill bit; an arc triangular block is arranged on the outer wall of one side of the drill bit; water outlet holes are formed in the outer walls of the arc-shaped triangular blocks and one side of the drill bit; a control unit is arranged in the support table; the suction pump, the hydraulic telescopic rod and the motor assembly are all electrically connected with the internal control unit.

As a further aspect of the present invention: a stator is processed on the inner wall of one side of the screw rod shell; a threaded rod is rotatably connected to the inner wall of one side of the screw shell; the outer wall of one side of the threaded rod is fixedly connected to the outer wall of one side of the output shaft of the motor assembly.

As a further aspect of the present invention: a universal coupling is arranged on the inner wall of one side of the universal shaft shell; one side outer wall of the universal coupling is arranged on the outer wall of the bottom end of the threaded rod.

As a further aspect of the present invention: an upper radial bearing is arranged on the inner wall of one side of the transmission shaft shell; the outer wall of the top end of the upper radial bearing is arranged on the outer wall of the bottom end of the universal coupling; the outer wall of the bottom end of the upper radial bearing is provided with a thrust bearing; springs are arranged on the outer wall of the periphery of the thrust bearing; the outer wall of the bottom end of the thrust bearing is provided with a lower radial bearing; the outer wall of the bottom end of the lower radial bearing is arranged on the outer wall of the top end of the transmission main shaft.

As a further aspect of the present invention: the outer wall of the bottom end of the supporting table is fixedly connected with a supporting column through a screw; the outer wall of the bottom end of the support column is fixedly connected with a backing plate through a screw.

As a further aspect of the present invention: the outer wall of the bottom end of the supporting table is fixedly connected with uniformly distributed directional columns through screws; the directional column is positioned on the peripheral outer wall of the push plate.

As a further aspect of the present invention: the outer wall of the bottom end of the directional column is fixedly connected with a limiting ring through a screw.

Compared with the prior art, the utility model provides a screw rod drilling tool for oil drilling possesses following beneficial effect:

1. the utility model relates to a through set up three hornblocks of arc on the drill bit, the arc inclined groove, the apopore and set up storage water tank and suction pump on a supporting bench, three hornblocks of arc release water on apopore and the three hornblocks through the drill bit, wash the drill bit, make and can not form the mud bag easily on the drill bit, sink too fast when making the drill bit still form the mud bag when staff's operation drill bit, can pull back the drill bit, and strengthen the power of suction pump, make water cleaning performance strengthen, clear away the mud bag fast, accelerate work efficiency, prevent that the drill bit from damaging, improve the device practicality.

2. The utility model relates to a through setting up the support column, the backing plate, directional pole and spacing ring, through the support column, the backing plate is fixed subaerial with the device, the backing plate increase and the area of contact on ground, fixing device that can be better, make the device can not take place the vibration easily, guarantee the operating mass of device, make the push pedal can only the downstream through directional post, and the push pedal can not take place the vibration under the restriction of directional post, thereby make the operating mass of device higher, carry out the ascending injeciton of distance to the push pedal through the spacing ring, make the push pedal can not break away from the scope of directional post, the high device practicality.

3. The utility model relates to a through setting up motor element, the threaded rod, the stator, universal joint, go up journal bearing, journal bearing and footstep bearing down, regard the threaded rod as the rotor, form the drive with the stator in the screw rod casing, pass through the universal shaft through the moment of torsion and the rotational speed that universal joint produced and transmit epaxially, last journal bearing through in the transmission shaft casing, footstep bearing, journal bearing transmits the transmission main shaft with moment of torsion and rotational speed minimize loss down, the drill bit is finally transmitted in the transmission, guarantee the validity of device, improve the device flexibility.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic view of a subjective structure of a screw drill for oil drilling according to the present invention;

fig. 2 is a schematic diagram of an internal mechanism of a screw rod casing of the screw rod drilling tool for oil drilling provided by the utility model;

FIG. 3 is a schematic view of the inner shape of the universal shaft housing of the screw drill for oil drilling according to the present invention;

fig. 4 is a schematic view of the internal form of the transmission shaft casing of the screw drill for oil drilling according to the present invention;

FIG. 5 is a schematic view of the drill head of the screw drill for oil drilling according to the present invention;

fig. 6 is a schematic circuit flow diagram of a screw drill for oil drilling according to the present invention.

In the figure: 1-a support table; 2-a support column; 3-backing plate; 4-a cardan shaft housing; 5-a transmission shaft housing; 6-a drill bit; 7-a transmission main shaft; 8-screw housing; 9-a limiting ring; 10-a directional column; 11-a motor assembly; 12-a push plate; 13-hydraulic telescopic rod; 14-a water pump; 15-a water storage tank; 16-a threaded rod; 17-a stator; 18-universal coupling; 19-an upper radial bearing; 20-a thrust bearing; 21-a spring; 22-lower radial bearing; 23-water outlet; 24-arc triangular blocks; 25-arc inclined groove.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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.

A screw drill for petroleum drilling, in order to make the bit clear up the mud bag more high-efficiently, as shown in figure 1, figure 5, figure 6, including the brace table 1; the outer wall of the top end of the support table 1 is connected with a water storage tank 15 through a bolt; the outer wall of one side of the water storage tank 15 is connected with a water pump 14 through a bolt; the outer wall of the bottom end of the support table 1 is connected with a hydraulic telescopic rod 13 through a bolt; the outer wall of one side of the output shaft of the hydraulic telescopic rod 13 is connected with a push plate 12 through a bolt; the outer wall of the bottom end of the push plate 12 is connected with a motor assembly 11 through a bolt; the outer wall of the bottom end of the motor component 11 is connected with a screw shell 8 through a bolt; the outer wall of the bottom end of the screw rod shell 8 is fixedly connected with a universal shaft shell 4 through a screw; the outer wall of the bottom end of the universal shaft shell 4 is fixedly connected with a transmission shaft shell 5 through a screw; a transmission main shaft 7 is arranged on the outer wall of the bottom end of the transmission shaft shell 5; a drill bit 6 is arranged on the outer wall of the bottom end of the transmission main shaft 7; an arc-shaped inclined groove 25 is processed on the inner wall of one side of the drill bit 6; an arc triangular block 24 is arranged on the outer wall of one side of the drill bit 6; water outlet holes 23 are formed in the outer walls of the arc-shaped triangular blocks 24 and one side of the drill bit 6; a control unit is arranged inside the support table 1; the water pump 14, the hydraulic telescopic rod 13 and the motor assembly 11 are electrically connected with the internal control unit; when the device begins to operate, suction pump 14 extracts water from storage water tank 15 and passes through screw rod casing 8, transmission main shaft 7, universal shaft casing 4, transmission shaft casing 5, finally reach drill bit 6, apopore 23 through drill bit 6 and apopore 23 on the three hornblocks of arc 24 release water, wash the drill bit, make and can not form the mud bag easily on the drill bit 6, when staff's operation drill bit 6 sinks to make drill bit 6 still form the mud bag at the excessive speed, can pull back drill bit 6, and strengthen suction pump 14's power, make the water cleaning performance strengthen, clear away the mud bag fast, and accelerate work efficiency, prevent that drill bit 6 from damaging, improve the device practicality, can make drill bit 6 better through three hornblocks of arc 24 and arc inclined groove 25, sink more fast.

In order to ensure the effectiveness of the device, as shown in fig. 2, a stator 17 is processed on the inner wall of one side of the screw shell 8; a threaded rod 16 is rotatably connected to the inner wall of one side of the screw shell 8; the outer wall of one side of the threaded rod 16 is fixedly connected with the outer wall of one side of the output shaft of the motor component 11; the threaded rod 16 is used as a rotor and forms a drive with a stator 17 in the screw shell 8, and the effectiveness of the device is guaranteed.

In order to further ensure the effectiveness of the device, as shown in fig. 3, a universal coupling 18 is arranged on the inner wall of one side of the universal shaft housing 4; the outer wall of one side of the universal coupling 18 is arranged on the outer wall of the bottom end of the threaded rod 16; the torque and the rotating speed generated by the motor assembly 11 are transmitted to the transmission shaft through the universal shaft by the universal coupling 18, and the effectiveness of the device is further ensured.

In order to further ensure the effectiveness of the device, as shown in fig. 4, the inner wall of one side of the transmission shaft housing 5 is provided with an upper radial bearing 19; the outer wall of the top end of the upper radial bearing 19 is arranged on the outer wall of the bottom end of the universal coupling 18; the outer wall of the bottom end of the upper radial bearing 19 is provided with a thrust bearing 20; the outer wall of the periphery of the thrust bearing 20 is provided with a spring 21; the outer wall of the bottom end of the thrust bearing 20 is provided with a lower radial bearing 22; the outer wall of the bottom end of the lower radial bearing 22 is arranged on the outer wall of the top end of the transmission main shaft 7; the torque and the rotating speed are transmitted to the transmission main shaft 7 and finally to the drill bit 6 by the upper radial bearing 19, the thrust bearing 20 and the lower radial bearing 22 in the transmission shaft shell 5, so that the effectiveness of the device is further ensured, and the flexibility of the device is improved.

For a better fixing device, as shown in fig. 1, a supporting column 2 is fixedly connected to the outer wall of the bottom end of the supporting table 1 through a screw; the outer wall of the bottom end of the support column 2 is fixedly connected with a backing plate 3 through a screw; fix the device subaerial through support column 2, backing plate 3, the area of contact of backing plate 3 increase and ground, fixing device that can be better for the device can not take place the vibration easily, guarantees the operating mass with rated load.

In order to improve the safety of the device, as shown in fig. 1, the outer wall of the bottom end of the support table 1 is fixedly connected with uniformly distributed directional columns 10 through screws; the directional column 10 is positioned on the peripheral outer wall of the push plate 12; the outer wall of the bottom end of the directional column 10 is fixedly connected with a limiting ring 9 through a screw; hug closely all around in directional post 10 inner wall push pedal 12 to make push pedal 12 move down when the well drilling under the restriction of directional post 10, and push pedal 12 can not take place the vibration under the restriction of directional post 10, thereby make the operating mass of device higher, carry out spacing upward the injecing to push pedal 12 through spacing ring 9, make push pedal 12 can not break away from the scope of directional post 10, improve the device practicality, after the well drilling is accomplished, upwards mention push pedal 12 under the effect of hydraulic telescoping rod 13, can pull out the drilling tool.

The working principle is as follows: when the device is used, power supplies of various electric equipment are turned on, when the device starts to operate, the water pump 14 pumps water from the water storage tank 15, the water passes through the screw rod shell 8, the transmission main shaft 7, the universal shaft shell 4 and the transmission shaft shell 5 and finally reaches the drill bit 6, the water is released through the water outlet holes 23 of the drill bit 6 and the arc-shaped triangular blocks 24 on the arc-shaped triangular blocks 24, the drill bit is cleaned, mud bags cannot be easily formed on the drill bit 6, when workers operate the drill bit 6 to sink too fast to enable the drill bit 6 to form mud bags, the drill bit 6 can be pulled back, the power of the water pump 14 is enhanced, the water cleaning effect is enhanced, the mud bags are rapidly cleaned, the working efficiency is improved, the drill bit 6 is prevented from being damaged, the practicability of the device is improved, the threaded rod 16 is used as a rotor and forms driving with the stator 17 in the screw rod shell 8, the effectiveness of the device is ensured, the torque and the rotating speed generated, further ensuring the effectiveness of the device, transmitting the torque and the rotating speed which are reduced as much as possible to the transmission main shaft 7 and finally to the drill bit 6 through the upper radial bearing 19, the thrust bearing 20 and the lower radial bearing 22 in the transmission shaft shell 5, further ensuring the effectiveness of the device, improving the flexibility of the device, the device is fixed on the ground through the supporting columns 2 and the backing plate 3, the contact area between the backing plate 3 and the ground is increased, the device can be better fixed, so that the device can not easily vibrate, the working quality of the device is ensured, the push plate 12 can only move downwards through the directional column 10, and the push plate 12 cannot vibrate under the limit of the directional column 10, therefore, the working quality of the device is high, the push plate 12 is limited in distance through the limiting ring 9, the push plate 12 cannot be separated from the range of the directional column 10, and the practicability of the device is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A screw drill for petroleum drilling comprises a support table (1), and is characterized in that the outer wall of the top end of the support table (1) is connected with a water storage tank (15) through a bolt; the outer wall of one side of the water storage tank (15) is connected with a water pump (14) through a bolt; the outer wall of the bottom end of the supporting table (1) is connected with a hydraulic telescopic rod (13) through a bolt; the outer wall of one side of an output shaft of the hydraulic telescopic rod (13) is connected with a push plate (12) through a bolt; the outer wall of the bottom end of the push plate (12) is connected with a motor assembly (11) through a bolt; the outer wall of the bottom end of the motor component (11) is connected with a screw shell (8) through a bolt; the outer wall of the bottom end of the screw rod shell (8) is fixedly connected with a universal shaft shell (4) through a screw; the outer wall of the bottom end of the universal shaft shell (4) is fixedly connected with a transmission shaft shell (5) through a screw; a transmission main shaft (7) is arranged on the outer wall of the bottom end of the transmission shaft shell (5); a drill bit (6) is arranged on the outer wall of the bottom end of the transmission main shaft (7); an arc-shaped inclined groove (25) is processed on the inner wall of one side of the drill bit (6); an arc triangular block (24) is arranged on the outer wall of one side of the drill bit (6); water outlet holes (23) are formed in the outer walls of the arc-shaped triangular blocks (24) and one side of the drill bit (6); a control unit is arranged in the support table (1); the water pump (14), the hydraulic telescopic rod (13) and the motor assembly (11) are electrically connected with the internal control unit.

2. The screw drill for petroleum drilling according to claim 1, wherein a stator (17) is formed on one side of the inner wall of the screw housing (8); a threaded rod (16) is rotatably connected to the inner wall of one side of the screw shell (8); the outer wall of one side of the threaded rod (16) is fixedly connected with the outer wall of one side of the output shaft of the motor component (11).

3. A screw drill for oil drilling according to claim 2, characterized in that the inner wall of one side of the universal shaft housing (4) is provided with a universal coupling (18); the outer wall of one side of the universal coupling (18) is arranged on the outer wall of the bottom end of the threaded rod (16).

4. A screw drill for oil drilling according to claim 3, characterized in that the inner wall of one side of the transmission shaft housing (5) is provided with an upper radial bearing (19); the outer wall of the top end of the upper radial bearing (19) is arranged on the outer wall of the bottom end of the universal coupling (18); a thrust bearing (20) is arranged on the outer wall of the bottom end of the upper radial bearing (19); springs (21) are arranged on the outer walls of the periphery of the thrust bearing (20); the outer wall of the bottom end of the thrust bearing (20) is provided with a lower radial bearing (22); the outer wall of the bottom end of the lower radial bearing (22) is arranged on the outer wall of the top end of the transmission main shaft (7).

5. The screw drill for petroleum drilling according to claim 4, characterized in that the outer wall of the bottom end of the support table (1) is fixedly connected with a support column (2) through a screw; the outer wall of the bottom end of the support column (2) is fixedly connected with a backing plate (3) through a screw.

6. The screw drill for petroleum drilling according to claim 5, characterized in that the outer wall of the bottom end of the support table (1) is fixedly connected with evenly distributed directional columns (10) through screws; the directional column (10) is positioned on the peripheral outer wall of the push plate (12).

7. The screw drill for petroleum drilling according to claim 6, characterized in that the outer wall of the bottom end of the directional column (10) is fixedly connected with a limiting ring (9) through a screw.

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