CN217151869U - Screw drill damping fluid director with good damping effect - Google Patents

Abstract

The utility model belongs to the divertor field, especially, effectual screw rod drilling tool shock attenuation divertor of shock attenuation, including the divertor body, the mount pad is all installed to the top and the bottom of divertor body, rotates on the inner wall of divertor body and installs the shock attenuation board, the bottom fixed mounting of shock attenuation board has coupling spring, coupling spring's bottom mounting sets up on the inner wall of divertor body, two piston chambers have been seted up on the divertor body, piston intracavity slidable mounting has the piston, the bottom fixed mounting of piston has the pull rod, two cavitys have been seted up on the divertor body, rotate on the both sides inner wall of divertor body and install the rotation axis, fixed mounting has the guide plate on the rotation axis, slidable mounting has the rectangle seat in the cavity, the bottom mounting of pull rod sets up on the rectangle seat that corresponds. The utility model relates to a rationally, can play the effect of bradyseism through stock guide and shock attenuation board, can realize reducing the impact of mud to the screw rod drilling tool is inside.

Description

Screw drill damping fluid director with good damping effect

Technical Field

The utility model relates to a divertor technical field especially relates to an effectual screw rod drilling tool shock attenuation divertor of shock attenuation.

Background

The screw drilling tool is a positive displacement downhole power drilling tool which takes drilling fluid as power and converts the pressure energy of the fluid into mechanical energy. When the mud pumped by the mud pump flows through the bypass valve and enters the motor, a certain pressure difference is formed between the inlet and the outlet of the motor, the rotor is pushed to rotate around the axis of the stator, and the rotating speed and the torque are transmitted to the drill bit through the universal shaft and the transmission shaft, so that the drilling operation is realized.

The oil field well drilling mainly comprises the steps that specific gravity mud or clean water is conveyed to a ground filter through a water hose by a mud pump or a pressure truck, then enters an aggravated drill rod through a fluid director, and finally enters a screw drilling tool in a well, the impact force of the mud to the inside of the screw drilling tool is large, the working stability of the screw drilling tool is affected, and the problem that shock absorption of the impact force of the mud is inconvenient exists, so that the shock absorption fluid director with a good shock absorption effect is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the impact force of mud is not convenient to buffer in the prior art, and providing a screw drill damping fluid director with good damping effect.

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

the utility model provides an effectual screw rod drilling tool shock attenuation divertor of shock attenuation, including the divertor body, the mount pad is all installed to the top and the bottom of divertor body, rotate on the inner wall of divertor body and install the shock attenuation board, the bottom fixed mounting of shock attenuation board has a connection spring, the bottom mounting of connection spring sets up on the inner wall of divertor body, two piston chambers have been seted up on the divertor body, slidable mounting has the piston in the piston chamber, the bottom fixed mounting of piston has the pull rod, set up two cavitys on the divertor body, it installs the rotation axis to rotate on the both sides inner wall of divertor body, fixed mounting has the guide plate on the rotation axis, slidable mounting has the rectangle seat in the cavity, the bottom mounting of pull rod sets up on the corresponding rectangle seat, be equipped with drive mechanism between rotation axis and the rectangle seat, the bottom fixed mounting of rectangle seat has buffer spring, buffer spring bottom fixed setting is on the bottom inner wall of cavity.

Preferably, the top of the damping plate is provided with a communicating hole, one side of the communicating hole is provided with an opening, the inner wall of the fluid director body is fixedly provided with a fixed seat, the fixed seat is rotatably provided with a connecting shaft, and the connecting shaft is fixedly arranged on the inner wall of the communicating hole.

Preferably, the transmission mechanism comprises a transmission gear and a transmission rack, the rotating shaft extends into the cavity and is provided with the transmission gear, the transmission rack is fixedly arranged on the rectangular seat, and the transmission gear is meshed with the transmission rack.

Preferably, the inner wall of the bottom of the piston cavity is provided with a communicating hole, the communicating hole is communicated with the cavity, and the pull rod is connected with the communicating hole in a sliding mode.

Preferably, a sealing ring is installed on the inner wall of the communication hole, and the pull rod is connected with the sealing ring in a sliding and sealing mode.

Preferably, a connecting pipe is arranged on the inner wall of one side of the piston cavity, and a one-way valve is arranged in the connecting pipe.

Preferably, the inner walls of the two sides of the cavity are provided with limiting grooves, the two sides of the rectangular seat are provided with limiting seats, and the limiting seats are connected with the corresponding limiting grooves in a sliding mode.

The utility model has the advantages that:

1. the fluid director body is convenient to mount through the mounting seat, when slurry passes through the fluid director body, the impact force of the slurry extrudes the damping plate, so that the damping plate can rotate around the connecting shaft, the connecting spring can be compressed through the rotation of the damping plate, and the impact force of the slurry can be preliminarily buffered through the elastic deformation of the connecting spring;

2. when mud continues to move downwards, the impact force of mud can drive the guide plate to rotate, the guide plate can drive the transmission gear to rotate through the rotation axis, the transmission gear can drive the rectangular seat to move through the transmission rack, the rectangular seat can compress the buffer spring, the rectangular seat can drive the piston to move downwards through the pull rod, the air in the piston cavity can be compressed, and the purpose of buffering mud once more can be realized.

Drawings

Fig. 1 is a schematic perspective view of a shock-absorbing fluid director of a screw drill with good shock-absorbing effect according to the present invention;

fig. 2 is a schematic structural view of a shock absorbing deflector of a screw drill with good shock absorbing effect provided by the present invention;

fig. 3 is a schematic structural view of a part a of the damping fluid director of the screw drill with good damping effect provided by the present invention;

fig. 4 is a schematic structural view of part B of the damping fluid director of the screw drill with good damping effect provided by the present invention.

In the figure: 1. a fluid director body; 2. a mounting base; 3. a damper plate; 4. a communicating hole; 5. a fixed seat; 6. a connecting shaft; 7. a connecting spring; 8. a piston cavity; 9. a piston; 10. a pull rod; 11. a rotating shaft; 12. a baffle; 13. a cavity; 14. a transmission gear; 15. a rectangular base; 16. a drive rack; 17. a buffer spring.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, and the "disposed" refers to an existing connection, whether connected, mounted, secured, or permanently connected. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a screw drill damping fluid director with good damping effect comprises a fluid director body 1, wherein the top and the bottom of the fluid director body 1 are both provided with a mounting base 2, a damping plate 3 is rotatably mounted on the inner wall of the fluid director body 1, the bottom end of the damping plate 3 is fixedly provided with a connecting spring 7, the bottom end of the connecting spring 7 is fixedly arranged on the inner wall of the fluid director body 1, the fluid director body 1 is provided with two piston cavities 8, pistons 9 are slidably mounted in the piston cavities 8, the bottom end of each piston 9 is fixedly provided with a pull rod 10, the fluid director body 1 is provided with two cavities 13, rotating shafts 11 are rotatably mounted on the inner walls on the two sides of the fluid director body 1, a flow guide plate 12 is fixedly mounted on each rotating shaft 11, rectangular bases 15 are slidably mounted in the cavities 13, the bottom ends of the pull rods 10 are fixedly arranged on the corresponding rectangular bases 15, and a transmission mechanism is arranged between each rotating shaft 11 and the rectangular bases 15, the bottom end of the rectangular seat 15 is fixedly provided with a buffer spring 17, and the bottom end of the buffer spring 17 is fixedly arranged on the inner wall of the bottom of the cavity 13.

In this embodiment, the intercommunicating pore 4 has been seted up at the top of shock attenuation board 3, and one side of intercommunicating pore 4 sets up to the opening, and fixed mounting has fixing base 5 on the inner wall of divertor body 1, rotates on the fixing base 5 and installs connecting axle 6, and connecting axle 6 is fixed to be set up on the inner wall of intercommunicating pore 4, through the cooperation of connecting axle 6 and fixing base 5, can make shock attenuation board 3 rotate and set up on divertor body 1.

In this embodiment, the transmission mechanism includes a transmission gear 14 and a transmission rack 16, the rotating shaft 11 extends into the cavity 13 and is provided with the transmission gear 14, the transmission rack 16 is fixedly disposed on the rectangular seat 15, the transmission gear 14 is engaged with the transmission rack 16, and the rotation of the rotating shaft 11 can drive the rectangular seat 15 to move through the transmission mechanism.

In this embodiment, the inner wall of the bottom of the piston cavity 8 is provided with a communication hole, the communication hole is communicated with the cavity 13, the pull rod 10 is connected with the communication hole in a sliding manner, and the pull rod 10 can be guided by the communication hole.

In this embodiment, the inner wall of the communicating hole is provided with the sealing ring, the pull rod 10 is connected with the sealing ring in a sliding and sealing manner, and the communicating hole can be sealed by the sealing ring.

In this embodiment, install the connecting pipe on one side inner wall of piston chamber 8, install the check valve in the connecting pipe, through the cooperation that is provided with connecting pipe and check valve, can ventilate piston chamber 8.

In this embodiment, all seted up the spacing groove on the both sides inner wall of cavity 13, spacing seat is all installed to the both sides of rectangle seat 15, and spacing seat and the spacing groove sliding connection who corresponds, through being provided with spacing groove and spacing seat, can lead rectangle seat 15 for rectangle seat 15 carries out stable removal.

In the utility model, the installation of the fluid director body 1 is facilitated through the installation seat 2, when slurry passes through the fluid director body 1, the impact force of the slurry extrudes the damping plate 3, so that the damping plate 3 can rotate around the connecting shaft 6, the damping plate 3 can compress the connecting spring 7 through rotation, the impact force of the slurry can be preliminarily buffered through elastic deformation of the connecting spring 7, when the slurry continues to move downwards, the impact force of the slurry can drive the guide plate 12 to rotate, the guide plate 12 can drive the transmission gear 14 to rotate through the rotating shaft 11, the transmission gear 14 can drive the rectangular seat 15 to move through the transmission rack 16, the rectangular seat 15 can compress the buffer spring 17, and the rectangular seat 15 can drive the piston 9 to move downwards through the pull rod 10, so as to compress air in the piston cavity 8, the purpose of buffering the slurry again can be achieved.

It is right above that the utility model provides an effectual screw rod drilling tool shock attenuation divertor of shock attenuation has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. The utility model provides a screw rod drilling tool shock attenuation divertor that shock attenuation is effectual, includes divertor body (1), its characterized in that, mount pad (2) are all installed to the top and the bottom of divertor body (1), rotate on the inner wall of divertor body (1) and install shock attenuation board (3), the bottom fixed mounting of shock attenuation board (3) has connecting spring (7), the bottom fixed mounting of connecting spring (7) is on the inner wall of divertor body (1), seted up two piston chamber (8) on divertor body (1), slidable mounting has piston (9) in piston chamber (8), the bottom fixed mounting of piston (9) has pull rod (10), set up two cavity (13) on divertor body (1), rotate on the both sides inner wall of divertor body (1) and install rotation axis (11), fixed mounting has guide plate (12) on rotation axis (11), slidable mounting has rectangle seat (15) in cavity (13), the bottom mounting of pull rod (10) sets up on rectangle seat (15) that corresponds, be equipped with drive mechanism between rotation axis (11) and rectangle seat (15), the bottom fixed mounting of rectangle seat (15) has buffer spring (17), buffer spring (17) bottom mounting sets up on the bottom inner wall of cavity (13).

2. The screw drill damping fluid director with good damping effect according to claim 1, wherein the top of the damping plate (3) is provided with a communication hole (4), one side of the communication hole (4) is provided with an opening, a fixed seat (5) is fixedly installed on the inner wall of the fluid director body (1), a connecting shaft (6) is rotatably installed on the fixed seat (5), and the connecting shaft (6) is fixedly arranged on the inner wall of the communication hole (4).

3. The shock absorption fluid director for the screw drill with good shock absorption effect according to claim 1, wherein the transmission mechanism comprises a transmission gear (14) and a transmission rack (16), the rotating shaft (11) extends into the cavity (13) and is provided with the transmission gear (14), the transmission rack (16) is fixedly arranged on the rectangular base (15), and the transmission gear (14) is meshed with the transmission rack (16).

4. The shock absorption fluid director for the screw drilling tool with good shock absorption effect according to claim 1, wherein a communication hole is formed in the inner wall of the bottom of the piston cavity (8), the communication hole is communicated with the cavity (13), and the pull rod (10) is connected with the communication hole in a sliding mode.

5. The shock absorption fluid director for the screw drilling tool with good shock absorption effect according to claim 4, wherein a sealing ring is installed on the inner wall of the communication hole, and the pull rod (10) is connected with the sealing ring in a sliding and sealing mode.

6. The shock absorbing fluid director of the screw drilling tool with good shock absorbing effect as claimed in claim 1, wherein a connecting pipe is installed on the inner wall of one side of the piston cavity (8), and a one-way valve is installed in the connecting pipe.

7. The screw drilling tool damping fluid director with the good damping effect is characterized in that limiting grooves are formed in the inner walls of the two sides of the cavity (13), limiting seats are mounted on the two sides of the rectangular seat (15), and the limiting seats are connected with the corresponding limiting grooves in a sliding mode.

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