CN216950272U

CN216950272U - Hydraulic vibration friction-reducing resistance speed-increasing tool

Info

Publication number: CN216950272U
Application number: CN202220792710.2U
Authority: CN
Inventors: 任志坤
Original assignee: Qianlong Drilling Tools Hebei Co ltd
Current assignee: Qianlong Drilling Tools Hebei Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-12
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to the technical field of drilling equipment, in particular to a hydraulic vibration friction reducing and increasing tool which has the effect of effectively reducing the friction resistance of a drill bit and comprises a vibration end and a power end, wherein the vibration end comprises a vibration end outer sleeve, a striking rod is arranged inside the vibration end outer sleeve in a sliding manner, a through groove is formed inside the striking rod, a striking block is arranged at the right end of the striking rod, a spring is arranged at the left end of the striking block and sleeved at the right part of the striking rod, the left end of the spring is connected with the vibration end outer sleeve, the power end comprises a power end outer sleeve, a driving rod is rotatably connected inside the power end outer sleeve, a spiral plate is arranged on the driving rod, the right end of the driving rod is connected with a movable valve plate through a connecting block, the right end of the movable valve plate is provided with a static valve plate, and through holes are formed in the middles of the movable valve plate and the static valve plate, and a liquid outlet groove is formed in the right end of the static valve plate.

Description

Hydraulic vibration friction-reducing resistance speed-increasing tool

Technical Field

The utility model relates to the technical field of drilling equipment, in particular to a hydraulic vibration friction-reducing and resistance-increasing tool.

Background

As is well known, in underground drilling, a drill bit directly contacts with a cut surface, the cutting resistance of the drill bit is high, so that the cutting speed is slow, and the directional speed increase requirement is more urgent along with the increase of the number of the current extended reach wells and horizontal wells.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a hydraulic vibration abrasion resistance reducing and speed increasing tool which has the effect of effectively reducing the abrasion resistance of a drill bit.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydraulic vibration antifriction hinders speed-raising instrument, includes vibration end and power end, the vibration end is including vibration end overcoat, the inside slip of vibration end overcoat is provided with the striker, the inside of striker is provided with logical groove, the right-hand member of striker is provided with the striking piece, the left end of striking piece is provided with the spring, the spring housing is in the right part of striker to the left end and the vibration end overcoat of spring are connected, the power end includes the power end overcoat, the inside of power end overcoat is rotated and is connected with the actuating lever, be provided with the spiral plate on the actuating lever, the right-hand member of actuating lever is connected with the dynamic valve piece through the connecting block, the right-hand member of dynamic valve piece is provided with the static valve piece, the middle part of dynamic valve piece and static valve piece all is provided with the through-hole, the right-hand member of static valve piece is provided with out the liquid groove.

Furthermore, the movable valve plate and the static valve plate are both eccentrically arranged with the power end outer sleeve.

Furthermore, the left end and the right end of the driving rod are fixed through two bearings, and the two bearings are connected with the power end outer sleeve through a plurality of fixing rods.

Furthermore, the right end of the impact block is provided with an impact ring, and the impact ring is connected with the vibration end outer sleeve.

Preferably, the clearance between the movable valve plate and the static valve plate is not more than 0.5 mm.

Preferably, waterproof treatment is carried out between the impact rod, the impact block and the vibration end outer sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a hydraulic vibration friction reducing and resistance increasing tool, which has the following beneficial effects:

this hydraulic vibration antifriction hinders speed-raising instrument drives the dynamic valve piece through the spiral plate under liquid flows and rotates, under the cooperation of dynamic valve piece and static valve piece, makes the hydraulic pressure law change to make striking piece striking impact ring, and then produce the impact, reciprocating motion so makes the drilling tool become dynamic friction at the interim stiction in shaft bottom, frictional resistance is very greatly reduced like this, make this instrument can effectual reduction because of the drilling tool backing pressure phenomenon that the drilling tool produced of drilling tool subsides the wall of a well, guarantee effectual weight-on-bit.

Drawings

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

FIG. 2 is a schematic structural view of the movable valve plate between the power end outer sleeve, the movable valve plate and the static valve plate shown in FIG. 1 rotating to the top;

FIG. 3 is a schematic structural view of the movable valve plate between the power end outer sleeve, the movable valve plate and the static valve plate shown in FIG. 1 rotating to the bottom.

In the figure: 1. a vibration end outer sleeve; 2. a striker bar; 3. a through groove; 4. an impact block; 5. a spring; 6. a power end outer sleeve; 7. a drive rod; 8. a spiral plate; 9. a movable valve plate; 10. a static valve plate; 11. a through hole; 12. a liquid outlet groove; 13. and an impact ring.

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, the hydraulic vibration friction reducing and resistance increasing tool comprises a vibration end and a power end, wherein the vibration end comprises a vibration end outer sleeve 1, a striking rod 2 is slidably arranged inside the vibration end outer sleeve 1, a through groove 3 is formed inside the striking rod 2, a striking block 4 is arranged at the right end of the striking rod 2, a striking ring 13 is arranged at the right end of the striking block 4, the striking ring 13 is connected with the vibration end outer sleeve 1, the striking ring 13 can protect the vibration end outer sleeve and prevent the striking block from striking against the striking ring 13, a spring 5 is arranged at the left end of the striking block 4, the spring 5 is sleeved at the right part of the striking rod 2, the left end of the spring 5 is connected with the vibration end outer sleeve 1, and waterproof treatment is performed between the striking rod 2 and the vibration end outer sleeve 1 to prevent liquid leakage.

The power end comprises a power end outer sleeve 6, the interior of the power end outer sleeve 6 is rotatably connected with a driving rod 7, the driving rod 7 is provided with a spiral plate 8, when the tool is used, fluid, namely liquid, needs to be supplied, when the liquid flows through the spiral plate 8, the spiral plate 8 is driven to rotate, so that the driving rod 7 is driven to rotate, the right end of the driving rod 7 is connected with a movable valve plate 9 through a connecting block, the right end of the movable valve plate 9 is provided with a static valve plate 10, the gap between the movable valve plate 9 and the static valve plate 10 is not more than 0.5 mm, leakage can be reduced through a smaller gap, so that the vibration effect of the tool is ensured, the middle parts of the movable valve plate 9 and the static valve plate 10 are both provided with through holes 11, the right end of the static valve plate 10 is provided with a liquid outlet groove 12, the movable valve plate 9 and the static valve plate 10 are both eccentrically arranged with the power end outer sleeve 6, in the embodiment, when the movable valve plate 9 rotates to the bottom, the two through holes 11 of the movable valve plate 9 and the static valve plate 10 are dislocated, the section area of the fluid passing through is minimum at the moment, so that the pressure of the fluid is increased at the moment, the fluid pushes the impact block 4 to move leftwards, the impact rod 2 moves leftwards along with the fluid, the impact block 4 enables the spring 5 to be stressed and compressed, when the movable valve block 9 rotates to the top, the movable valve block 9 and the static valve block 10 are completely overlapped, the section area of the fluid passing through is maximum at the moment, so that the generated hydraulic pressure is minimum, the spring 5 pushes the impact block 4 and the impact rod 2 to move rightwards, the impact block 4 impacts the impact ring 13 to generate impact force, the reciprocating motion is performed, so that the temporary static friction of the drilling tool at the bottom of the well is changed into dynamic friction, the friction resistance is greatly reduced, the phenomenon of the backing pressure of the drilling tool generated by the fact that the drilling tool is attached to the wall of the well can be effectively reduced, effective drilling pressure is ensured, the left end and the right end of the driving rod 7 are fixed through two bearings, and the two bearings are connected with the power end outer sleeve 6 through a plurality of fixing rods, the rotational connection of the drive rod 7 is made more stable,

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic vibration antifriction hinders speed-raising instrument, includes vibration end and power end, its characterized in that: the vibration end comprises a vibration end outer sleeve (1), a striking rod (2) is arranged inside the vibration end outer sleeve (1) in a sliding mode, a through groove (3) is formed in the striking rod (2), a striking block (4) is arranged at the right end of the striking rod (2), a spring (5) is arranged at the left end of the striking block (4), the spring (5) is sleeved at the right part of the striking rod (2), the left end of the spring (5) is connected with the vibration end outer sleeve (1), the power end comprises a power end outer sleeve (6), a driving rod (7) is rotatably connected inside the power end outer sleeve (6), a spiral plate (8) is arranged on the driving rod (7), the right end of the driving rod (7) is connected with a movable valve plate (9) through a connecting block, a static valve plate (10) is arranged at the right end of the movable valve plate (9), and through holes (11) are formed in the middles of the movable valve plate (9) and the static valve plate (10), and a liquid outlet groove (12) is arranged at the right end of the static valve plate (10).

2. A hydrokinetic vibration friction reducing drag increasing tool as defined in claim 1, wherein: and the movable valve plate (9) and the static valve plate (10) are both eccentrically arranged with the power end outer sleeve (6).

3. A hydrokinetic vibration friction reducing drag increasing tool as defined in claim 1, wherein: the left end and the right end of the driving rod (7) are fixed through two bearings, and the two bearings are connected with the power end outer sleeve (6) through a plurality of fixing rods.

4. A hydrokinetic vibration friction reducing drag increasing tool as defined in claim 1, wherein: the right end of the impact block (4) is provided with an impact ring (13), and the impact ring (13) is connected with the vibration end outer sleeve (1).

5. A hydrokinetic vibration friction reducing drag increasing tool as defined in claim 1, wherein: and the clearance between the movable valve plate (9) and the static valve plate (10) is not more than 0.5 mm.

6. A hydrokinetic vibration friction reducing drag increasing tool as defined in claim 1, wherein: and the impact rod (2) and the impact block are subjected to waterproof treatment with the vibration end outer sleeve (1).