CN111101870A

CN111101870A - Drill rod capable of drilling pits quickly and not prone to abrasion

Info

Publication number: CN111101870A
Application number: CN201911317645.7A
Authority: CN
Inventors: 车朝杰
Original assignee: Nantong Hengtong Machinery Manufacturing Co Ltd
Current assignee: Nantong Hengtong Machinery Manufacturing Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-05-05

Abstract

The invention discloses a drill rod capable of quickly drilling a pit and not prone to abrasion, and relates to the technical field of drill rods. This bore hole and difficult wearing and tearing drilling rod fast, give the decurrent thrust of the body of rod when can making the brill hole through the thread groove that sets up when the body of rod with bore the hole contact, make and bore the hole speed and improve, when the internal rotation body is rotatory, can the partly great earth of breakage, the while spiral leaf can upwards push away mud or hard soil when boring the hole, prevent to block up, make and bore the hole speed further accelerate, wearing layer through setting up is the nickel alloy layer, wear-resisting spraying is tungsten alloy powder spraying layer, the use of double-deck wearing layer, in order to reach quick brill hole, the effect of difficult wearing and tearing.

Description

Drill rod capable of drilling pits quickly and not prone to abrasion

Technical Field

The invention relates to the technical field of drill rods, in particular to a drill rod capable of quickly drilling a pit and not prone to abrasion.

Background

The drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilled well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly. The drill pipe must be able to withstand large internal and external pressures, twists, bends and vibrations. In the process of oil and gas exploitation and extraction, the drill pipe can be used for multiple times. Drill rods are an essential component of drill strings. Therefore, the drill pipe plays an important role in oil drilling.

At present, the used drill rod is only coated on the outer wall of the drill rod by a thin wear-resistant layer, so that the drill rod is easy to scrape flowers after being used for a period of time to damage a rod body, and the drilling speed of the drill rod is low when the drill rod drills a pit.

Disclosure of Invention

The invention aims to provide a drill rod capable of quickly drilling a pit and not prone to abrasion, which has the advantages of quickly drilling the pit and not prone to abrasion and solves the problems of easy abrasion and slow pit drilling.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a bore hole fast and difficult wearing and tearing drilling rod, includes the body of rod, joint, the female head of drilling rod, the public head of drilling rod and stoker, the left end of the body of rod and the right-hand member fixed connection of the public head of drilling rod, the right-hand member of the body of rod and the left end fixed connection of the female head of drilling rod, the outer wall of the body of rod and the inner wall joint of joint, the left end of the public head of drilling rod and the right-hand member fixed connection of stoker.

Further, the outer wall of the body of rod, joint has all seted up the thread groove, the outer wall of joint has seted up the broken joint along the axis, two lugs have been seted up to the inner wall symmetry of joint, the both ends that the lug was kept away from to the inner wall of joint have seted up the seal groove.

Through adopting above-mentioned technical scheme, the joint can be opened and closed through the crack, is convenient for to the installation between the body of rod, and rethread welding fixed mounting gives the body of rod a decurrent thrust when the thread groove can make the outer wall of the body of rod when boring the pit and bore the pit contact for bore pit speed and improve.

Furthermore, the inner wall of the drill rod female head is provided with an external thread, the outer wall of the drill rod female head is provided with a clamping groove, and a rubber sealing ring is fixedly mounted at the left end of the drill rod female head, which is far away from the clamping groove.

Through adopting above-mentioned technical scheme, rubber seal can prevent the female head during operation weeping of drilling rod.

Furthermore, the outer wall of the drill rod male head is provided with an internal thread, the outer wall of the drill rod male head close to the rod body is provided with an O-shaped groove, the outer wall of the drill rod male head is provided with an O-shaped sealing ring, and the outer wall of the O-shaped sealing ring is clamped with the inner wall of the O-shaped groove.

Through adopting above-mentioned technical scheme, O type sealing washer can prevent the public first during operation weeping of drilling rod, and thread structure makes the installation compacter.

Further, the inside of stoker includes bearing, interior spiral body, radiating groove and spiral leaf, the inner wall of stoker is connected with the outer wall rotation of bearing, the inner wall of bearing is connected with the outer wall rotation of interior spiral body, three radiating groove has evenly been seted up to the right-hand member of interior spiral body, the inner wall fixed mounting of interior spiral body has three spiral leaf.

Through adopting above-mentioned technical scheme, the radiating groove can prevent that the rotary vane from adding the area of contact of overheated man-hour, increase and air, and the rotary vane can upwards push away mud or hard soil when boring the pit, prevents to block up for bore the pit speed and further accelerate.

Further, the inside of the body of rod is provided with first fixture block, second fixture block, connecting rod, the outer wall of connecting rod and the outer wall fixed connection of spiral leaf, the left end of connecting rod and the right-hand member fixed connection of second fixture block, the right-hand member of connecting rod and the left end fixed connection of first fixture block, a plurality of sand grips are evenly installed to the right-hand member of first fixture block, a plurality of recesses have been seted up to the left end of second fixture block, the left end of second fixture block and the right-hand member joint of first fixture block.

Through adopting above-mentioned technical scheme, the connecting rod provide power for the internal rotation body, and first fixture block and second fixture block joint make things convenient for transmission kinetic energy between the connecting rod.

Further, the outer wall of the body of rod is provided with the wearing layer, the inner wall of wearing layer and the outer wall welding of the body of rod, the outer wall spraying of wearing layer has wear-resisting spraying, the wearing layer is the nickel alloy layer, wear-resisting spraying is tungsten alloy powder spraying layer.

Through adopting above-mentioned technical scheme, tungsten alloy powder spraying coating texture is hard, and wear-resisting damage is decreased as the outer protective layer of the body of rod, and nickel alloy has higher intensity and anti oxidation, anti gas corrosion ability and wear resistance, as the wear-resisting protective layer of the second floor of the body of rod, and the use of double-deck wearing layer can make wear-resisting effect mention greatly.

Compared with the prior art, this bore hole fast and difficult wearing and tearing drilling rod possesses following beneficial effect:

1. the invention can provide a downward thrust for the rod body when the outer wall of the rod body is contacted with the drilled pit during pit drilling through the arranged thread groove, so that the pit drilling speed is improved, a part of larger soil can be crushed when the internal rotation body rotates, and the rotary vane can push slurry or hard soil upwards during pit drilling to prevent blockage, so that the pit drilling speed is further accelerated, and the effect of quickly drilling the pit is achieved.

2. The wear-resistant layer is the nickel alloy layer, the wear-resistant spraying layer is the tungsten alloy powder spraying layer, the tungsten alloy powder spraying layer is hard in texture, wear-resistant and damage-resistant, the nickel alloy has high strength, oxidation resistance, fuel gas corrosion resistance and wear resistance as the protective layer of the outer layer of the rod body, and the wear-resistant effect can be greatly improved by using the double wear-resistant layers as the second wear-resistant protective layer of the rod body.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the pusher of the present invention;

FIG. 4 is a partial cross-sectional view of the structure of the present invention;

FIG. 5 is a cross-sectional view of a structural rod body of the present invention.

In the figure: 1. a rod body; 2. a joint; 3. a drill rod female head; 4. a drill rod male head; 5. a pusher; 6. a bearing; 7. an internal rotation body; 8. a first clamping block; 9. a second fixture block; 10. a connecting rod; 11. breaking a seam; 12. a thread groove; 13. a card slot; 14. a rubber seal ring; 15. a heat sink; 16. a wear layer; 17. wear-resistant spraying; 18. an O-shaped sealing ring; 19. rotating leaves; 20. a bump; 21. sealing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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. 1-5, the present invention provides a technical solution: a drill rod capable of fast drilling pits and being not easy to wear comprises a rod body 1, a connector 2, a drill rod female head 3, a drill rod male head 4 and a material pusher 5, wherein the left end of the rod body 1 is fixedly connected with the right end of the drill rod male head 4, the right end of the rod body 1 is fixedly connected with the left end of the drill rod female head 3, the outer wall of the rod body 1 is clamped with the inner wall of the connector 2, the left end of the drill rod male head 4 is fixedly connected with the right end of the material pusher 5, threaded grooves 12 are formed in the outer walls of the rod body 1 and the connector 2, a crack 11 is formed in the outer wall of the connector 2 along the axis, two convex blocks 20 are symmetrically formed in the inner wall of the connector 2, seal grooves 21 are formed in the two ends, far away from the convex blocks 20, of the inner wall of the connector 2, through the technical scheme, the connector 2 can be opened and closed through the crack 11, the installation between the rod bodies 1 is convenient, and then through the, make and bore hole speed improvement, the inside of stoker 5 includes bearing 6, interior spiral body 7, radiating groove 15 and spiral leaf 19, the inner wall of stoker 5 rotates with the outer wall of bearing 6 to be connected, the inner wall of bearing 6 rotates with the outer wall of interior spiral body 7 to be connected, three radiating groove 15 has evenly been seted up to the right-hand member of interior spiral body 7, the inner wall fixed mounting of interior spiral body 7 has three spiral leaf 19, through adopting above-mentioned technical scheme, radiating groove 15 can prevent that spiral leaf 19 from adding man-hour overheated, increase the area of contact with the air, spiral leaf 19 can upwards push away mud or hard soil when boring the hole, prevent to block up, make and bore hole speed further accelerate.

Preferably, the inner wall of the drill rod female head 3 is provided with an external thread, the outer wall of the drill rod female head 3 is provided with a clamping groove 13, the left end of the drill rod female head 3 far away from the clamping groove 13 is fixedly provided with a rubber sealing ring 14, by adopting the technical scheme, the rubber sealing ring 14 can prevent the leakage of the drill rod female head 3 during the operation, the outer wall of the drill rod male head 4 is provided with an O-shaped groove, the outer wall of the drill rod male head 4 close to the rod body 1 is provided with an O-shaped sealing ring 18, the outer wall of the O-shaped sealing ring 18 is clamped with the inner wall of the O-shaped groove, by adopting the technical scheme, the O-shaped sealing ring 18 can prevent the leakage of the drill rod male head 4 during the operation, the installation is more compact due to the thread structure, the first clamping block 8, the second clamping block 9 and the connecting rod 10 are arranged inside the rod body 1, the outer wall of the connecting rod, the right-hand member of connecting rod 10 and the left end fixed connection of first fixture block 8, a plurality of sand grips are evenly installed to the right-hand member of first fixture block 8, and a plurality of recesses have been seted up to the left end of second fixture block 9, and the left end of second fixture block 9 and the right-hand member joint of first fixture block 8 through adopting above-mentioned technical scheme, and connecting rod 10 provides power for internal rotation body 7, and first fixture block 8 and the joint of second fixture block 9 make things convenient for transmission kinetic energy between connecting rod 10.

Wherein, the outer wall of the body of rod 1 is provided with wearing layer 16, the inner wall of wearing layer 16 and the outer wall welding of the body of rod 1, the outer wall spraying of wearing layer 16 has wear-resisting spraying 17, wearing layer 16 is the nickel alloy layer, wear-resisting spraying 17 is tungsten alloy powder spraying layer, through adopting above-mentioned technical scheme, tungsten alloy powder spraying layer texture is hard, wear-resisting damage resistance, as the protective layer on the 1 outer floor of the body of rod, nickel alloy has higher intensity and anti-oxidant, anti gas corrosion resistance ability and wearability, as the wear-resisting protective layer of the second floor of the body of rod 1, the use of double-deck wearing layer, can make wear-resisting effect mention greatly.

When the rapid boring device is used, the male head 4 of the drill rod is in threaded connection with the female head 3 of the drill rod, the first clamping block 8 and the second clamping block 9 are clamped, the rod body 1 is fixedly connected through the connector 2, the connecting rod 10 can convey kinetic energy to the inner rotary body 7 through the clamping blocks, downward thrust can be given to the rod body 1 when the outer wall of the rod body 1 is in contact with a bored pit during pit boring through the arranged thread groove 2, so that the pit boring speed is improved, a part of large soil can be crushed during rotation of the inner rotary body 7, meanwhile, mud or hard soil during pit boring can be pushed upwards by the rotary vane 19 to prevent blockage, the pit boring speed is further accelerated, and the rapid pit boring effect is achieved, and then the wear-resistant layer 16 is a nickel alloy layer, the wear-resistant spray coating 17 is a tungsten alloy powder spray coating layer which is hard in texture, wear-resistant and damage-resistant, and serves as a protective layer on the outer layer of the rod body 1, and the nickel, The gas corrosion resistance and the wear resistance can be used as a second wear-resistant protective layer of the rod body 1, and the wear-resistant effect can be greatly improved by using the double-layer wear-resistant layer 16.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a bore hole fast and difficult wearing and tearing drilling rod, includes the body of rod (1), connects (2), female head of drilling rod (3), public head of drilling rod (4) and stoker (5), its characterized in that: the left end of the rod body (1) is fixedly connected with the right end of the drill rod male head (4), the right end of the rod body (1) is fixedly connected with the left end of the drill rod female head (3), the outer wall of the rod body (1) is connected with the inner wall of the joint (2) in a clamping mode, and the left end of the drill rod male head (4) is fixedly connected with the right end of the material pusher (5).

2. A drill rod for rapid pit drilling and low wear according to claim 1, wherein: threaded groove (12) have all been seted up to the outer wall of the body of rod (1), joint (2), broken joint (11) have been seted up along the axis to the outer wall that connects (2), two lugs (20) have been seted up to the inner wall symmetry that connects (2), seal groove (21) have been seted up at the both ends that lug (20) were kept away from to the inner wall that connects (2).

3. A drill rod for rapid pit drilling and low wear according to claim 1, wherein: the drill rod is characterized in that an external thread is formed in the inner wall of the drill rod female head (3), a clamping groove (13) is formed in the outer wall of the drill rod female head (3), and a rubber sealing ring (14) is fixedly mounted at the left end, far away from the clamping groove (13), of the drill rod female head (3).

4. A drill rod for rapid pit drilling and low wear according to claim 1, wherein: the outer wall of the drill rod male head (4) is provided with an internal thread, an O-shaped groove is formed in the outer wall, close to the rod body (1), of the drill rod male head (4), an O-shaped sealing ring (18) is arranged on the outer wall of the drill rod male head (4), and the outer wall of the O-shaped sealing ring (18) is connected with the inner wall of the O-shaped groove in a clamped mode.

5. A drill rod for rapid pit drilling and low wear according to claim 1, wherein: the inside of stoker (5) includes bearing (6), interior body (7), radiating groove (15) and revolves leaf (19) soon, the inner wall of stoker (5) rotates with the outer wall of bearing (6) to be connected, the inner wall of bearing (6) rotates with the outer wall of interior body (7) to be connected, three radiating groove (15) have evenly been seted up to the right-hand member of interior body (7) soon, the inner wall fixed mounting of interior body (7) has three leaf (19) soon.

6. A drill rod for rapid pit drilling and low wear according to claim 1, wherein: the utility model discloses a rotary vane type clamping device, including body of rod (1), the inside of body of rod (1) is provided with first fixture block (8), second fixture block (9), connecting rod (10), the outer wall of connecting rod (10) and the outer wall fixed connection of spiral leaf (19), the left end of connecting rod (10) and the right-hand member fixed connection of second fixture block (9), the right-hand member of connecting rod (10) and the left end fixed connection of first fixture block (8), a plurality of sand grips are evenly installed to the right-hand member of first fixture block (8), a plurality of recesses have been seted up to the left end of second fixture block (9), the left end of second fixture block (9) and the right-hand member joint of first fixture block (8).

7. A drill rod for rapid pit drilling and low wear according to claim 1, wherein: the outer wall of the rod body (1) is provided with a wear-resistant layer (16), the inner wall of the wear-resistant layer (16) is welded with the outer wall of the rod body (1), the outer wall spraying of the wear-resistant layer (16) is provided with a wear-resistant spraying layer (17), the wear-resistant layer (16) is a nickel alloy layer, and the wear-resistant spraying layer (17) is a tungsten alloy powder spraying layer.