CN111827868A

CN111827868A - Manual reversing device for petroleum drilling when encountering resistance

Info

Publication number: CN111827868A
Application number: CN202010743266.0A
Authority: CN
Inventors: 陶茂龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-10-27

Abstract

The invention relates to the technical field of oil excavation, and discloses a manual reversing device for oil drilling when resistance is met, which comprises a drilling device main body, wherein a base is fixedly arranged at the bottom of the drilling device main body, a sliding groove is formed in the drilling device main body, sliding blocks are connected in the sliding groove in a sliding manner, connecting rods are fixedly arranged on opposite sides of the two sliding blocks, reversing mechanism boxes are fixedly arranged on opposite surfaces of the two connecting rods, a drill bit is fixedly arranged at the bottom of each reversing mechanism box, a driven shaft is movably arranged in each reversing mechanism box, a transmission gear is fixedly arranged on the surface of the driven shaft, and a driving gear is meshed with the surface of the transmission gear. This manual switching-over device when oil drilling meets resistance designs into sharp-pointed triangle through the base with the drilling equipment main part, squeezes into the ground bottom with the device before the drilling work begins, has reached the effect that reinforcing drilling equipment grabbed the land fertility.

Description

Manual reversing device for petroleum drilling when encountering resistance

Technical Field

The invention relates to the technical field of oil excavation, in particular to a manual reversing device used when resistance is met in oil drilling.

Background

Oil extraction refers to the act of mining and extracting oil in places where oil is stored. In the process of oil exploitation, oil and gas flow into the bottom of a well from a reservoir and rise to the wellhead from the bottom of the well; the screw drilling machine is a well drilling tool which is widely applied at present. The working principle of the device is mainly that the spiral drill rod rotating at high speed digs earth on the ground out of the ground surface, so that the ground surface forms a well hole.

With the rise of the technology of the internet of things, crude oil extraction is also facilitated, the terrain can be detected through the acoustic scanning technology, and the optimal extraction route is selected.

Because the geological structure of some areas is complicated, the phenomenon that the threaded drill rod is blocked possibly occurs in the drilling process, at the moment, the threaded drill rod is generally taken out by adopting a motor reversal method, but the operation is inconvenient for many times, and therefore, the manual reversing device for the petroleum drilling when resistance is met is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the manual reversing device when the petroleum drilling meets resistance, which has the advantage that the motor steering is not required to be changed when the threaded drill rod is stuck, and solves the problems of frequent change of the motor steering, complex operation and harm to the motor.

(II) technical scheme

In order to achieve the purpose of changing the rotation direction of the screw rod without changing the rotation direction of the motor when the threaded drill rod is clamped, the invention provides the following technical scheme: a manual reversing device used when resistance is met in oil drilling comprises a drilling device main body, wherein a base is fixedly mounted at the bottom of the drilling device main body, a sliding groove is formed in the drilling device main body, sliding blocks are connected to the inside of the sliding groove in a sliding mode, connecting rods are fixedly mounted on opposite sides of the two sliding blocks, a reversing mechanism box body is fixedly mounted on opposite surfaces of the two connecting rods, a drill bit is fixedly mounted at the bottom of the reversing mechanism box body, a driven shaft is movably mounted in the reversing mechanism box body, a transmission gear is fixedly mounted on the surface of the driven shaft, a driving gear is meshed and transmitted on the surface of the transmission gear, a clamping port is fixedly mounted on one opposite side of the two transmission gears, a direction changer is slidably mounted on the surface of the driven shaft, a limiting stop rod is fixedly mounted at the bottom of the direction changer, the surface threaded connection of driven shaft has fastener, the right side fixed mounting of driven shaft has the change gear, the surface meshing transmission of change gear has the drilling gear.

Preferably, the base is in a sharp triangle shape, so that the base can extend to the ground bottom, and the ground gripping force of the drilling device is enhanced.

Preferably, the surface of the drill bit is provided with threads, so that only one-way drilling can be performed, and the reversing can be retracted.

Preferably, the transmission gear is idle in space, i.e. does not drive the driven shaft to rotate.

Preferably, the direction changer is movable within a certain space of the driven shaft, but the bottom part thereof is fixedly mounted on the driven shaft.

Preferably, the limit stop lever is combined by two lever pieces which are connected in a ninety-degree manner in space.

Preferably, the rotation directions of the two transmission gears are opposite.

(III) advantageous effects

Compared with the prior art, the invention provides a manual reversing device for petroleum drilling when encountering resistance, which has the following beneficial effects:

1. this manual switching-over device when oil drilling meets resistance designs into sharp-pointed triangle through the base with the drilling equipment main part, can squeeze into the ground with the device before the drilling work begins, has reached the effect that reinforcing drilling equipment grabbed the land fertility.

2. This manual reversing device when oil drilling meets resistance is connected through hand-operated direction changing hammer and shifter bottom, when changing hand-operated direction changing hammer position, can make the shifter move on the driven shaft, selects through hand-operated direction changing hammer and meshes the transmission with the drive gear that two differences turned to, has reached the driven shaft and has rotated the effect of diversion.

Drawings

FIG. 1 is a schematic structural diagram of a drilling device body;

FIG. 2 is a schematic structural diagram of a transmission direction changing mechanism;

fig. 3 is a schematic structural view of the operation of the direction changer.

In the figure: 1-a drilling device main body, 2-a base, 3-a sliding chute, 4-a sliding block, 5-a connecting rod, 6-a reversing mechanism box body, 7-a drill bit, 8-a driven shaft, 9-a transmission gear, 10-a driving gear, 11-a clamping interface, 12-a direction changer, 13-a limiting stop lever, 14-a manual reversing hammer, 15-a fastening device, 16-a reversing gear and 17-a drilling gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a manual reversing device for petroleum drilling when encountering resistance comprises a drilling device main body 1, wherein a base 2 is fixedly arranged at the bottom of the drilling device main body 1, the base 2 is in a sharp triangular shape and is beneficial to extending to the ground bottom and enhancing the ground gripping force of the drilling device, a chute 3 is arranged inside the drilling device main body 1, sliders 4 are connected inside the chute 3 in a sliding manner, connecting rods 5 are fixedly arranged on opposite sides of the two sliders 4, reversing mechanism boxes 6 are fixedly arranged on opposite surfaces of the two connecting rods 5, a drill bit 7 is fixedly arranged at the bottom of each reversing mechanism box 6, the surface of each drill bit 7 is provided with threads, the drill can be drilled in one direction only, the reversing can be withdrawn, a driven shaft 8 is movably arranged inside the reversing mechanism boxes 6, transmission gears 9 are fixedly arranged on the surfaces of the driven shafts 8, and the rotation, the transmission gear 9 belongs to idling in space, namely, the driven shaft 8 is not driven to rotate, the surface meshing transmission of the transmission gear 9 is provided with a driving gear 10, one side, opposite to the two transmission gears 9, is fixedly provided with a clamping port 11, the surface of the driven shaft 8 is slidably provided with a direction changer 12, the direction changer 12 can move in a certain space of the driven shaft 8, but the bottom of the direction changer is fixedly arranged on the driven shaft 8, the bottom of the direction changer 12 is fixedly provided with a limiting stop lever 13, the limiting stop lever 13 is formed by combining two rods which are connected in ninety degrees in space, the bottom of the direction changer 12 is movably provided with a manual reversing hammer 14, the surface of the driven shaft 8 is in threaded connection with a fastening device 15, the right side of the driven shaft 8 is fixedly provided with a direction changing.

The working principle is that a base 2 of a drilling device main body 1 is driven into the ground surface, a motor is started to drive a driving gear 10 to rotate, the driving gear 10 drives two transmission gears 9 to rotate, at the moment, a direction changer 12 is driven to horizontally move through the rotation of a manual reversing hammer 14, a clamping port of the direction changer 12 is clamped with a clamping port 11 of the transmission gears 9, then the transmission gears 9 are used for driving the direction changer 12 fixed on a driven shaft 8 to rotate, so that the driven shaft 8 rotates, a position changing gear 16 is driven to rotate, a drilling gear 17 is driven to rotate through the characteristic of gear meshing transmission, at the moment, a drill bit 7 is driven to rotate through the driving of the drilling gear 17, the whole structure inside the drilling device main body 1 simultaneously moves downwards through the structures of a sliding block 4 and a sliding groove 3, when the sliding block 4 does not move downwards any more in the drilling process, and when the noise is large when, the manual reversing hammer 14 is exchanged to another direction, at the moment, the clamping interface 11 on the direction changer 12 is clamped with the clamping interface 11 on the other transmission gear 9, the rotating direction of the driven shaft 8 is changed, so that the steering change of the direction change gear 16, namely the steering change of the drilling gear 17 and the drill bit 7, because the drill bit 7 is a threaded drill rod, the drill bit 7 can retreat when the steering change of the drill bit 7 is carried out, after the drill bit 7 retreats for a certain distance, the manual reversing hammer 14 is adjusted again to give a certain impact distance to the drill bit 7, and the drilling work is completed.

In conclusion, the manual reversing device used when the petroleum drilling meets the resistance can be driven into the ground before the drilling work is started by designing the base 2 of the drilling device main body 1 into the sharp triangle shape, so that the effect of enhancing the ground gripping force of the drilling device is achieved.

In addition, the manual reversing device when the petroleum drilling meets resistance is connected with the bottom of the position changer 12 through the manual reversing hammer 14, when the position of the manual reversing hammer 14 is changed, the position changer 12 can move on the driven shaft 8, and the manual reversing hammer 14 is used for selecting to be meshed with two transmission gears 9 with different rotation directions for transmission, so that the effect of rotating and reversing the driven shaft 8 is achieved.

Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the 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. A manual reversing device used when resistance is met in petroleum drilling comprises a drilling device main body (1) and is characterized in that: the drilling device is characterized in that a base (2) is fixedly mounted at the bottom of a drilling device body (1), a sliding groove (3) is formed in the drilling device body (1), a sliding block (4) is connected to the inside of the sliding groove (3) in a sliding manner, a connecting rod (5) is fixedly mounted on one side, opposite to the sliding block (4), a reversing mechanism box body (6) is fixedly mounted on the surface, opposite to the connecting rod (5), of the reversing mechanism box body (6), a drill bit (7) is fixedly mounted at the bottom of the reversing mechanism box body (6), a driven shaft (8) is movably mounted in the reversing mechanism box body (6), a transmission gear (9) is fixedly mounted on the surface of the driven shaft (8), a driving gear (10) is driven by surface meshing of the transmission gear (9), a clamping opening (11) is fixedly mounted on one side, opposite to the transmission gear, the bottom fixed mounting of deviator (12) has spacing shelves pole (13), the bottom movable mounting of deviator (12) has manual switching hammer (14), the surperficial threaded connection of driven shaft (8) has fastener (15), the right side fixed mounting of driven shaft (8) has change gear (17), the surface meshing transmission of change gear (15) has drilling gear (17).

2. The manual reversing device for the petroleum drilling encountering resistance according to claim 1, characterized in that: the base (2) is in a sharp triangular shape.

3. The manual reversing device for the petroleum drilling encountering resistance according to claim 1, characterized in that: the surface of the drill bit (7) is provided with threads, and only one-way drilling can be performed, and the reversing can be withdrawn.

4. The manual reversing device for the petroleum drilling encountering resistance according to claim 1, characterized in that: the transmission gear (9) is idle in space, namely the driven shaft (8) is not driven to rotate.

5. The manual reversing device for the petroleum drilling encountering resistance according to claim 1, characterized in that: the direction changer (12) can move in a certain space of the driven shaft (8), but the bottom of the direction changer is fixedly arranged on the driven shaft (8).

6. The manual reversing device for the petroleum drilling encountering resistance according to claim 1, characterized in that: the limit stop lever (13) is combined by two rods which are connected in a ninety-degree mode in space.

7. The manual reversing device for the petroleum drilling encountering resistance according to claim 1, characterized in that: the rotation directions of the two transmission gears (9) are opposite.