Device for enhancing wear resistance of rotary guide tool

Abstract

The utility model discloses a device for enhancing wear resistance of a rotary guide tool, which belongs to the technical field of drill bit bodies and comprises a drill bit body, a wear-resistant belt is integrally formed on the outer surface of the drill bit body, and the wear-resistant belt is spirally arranged around the outer surface of the drill bit body from top to bottom by taking the upper end of a working part of the drill bit body as a base point. Wherein the starting points of the wear-resistant belts are inclined upwards, so that the wear-resistant belts are spiral downwards in parallel, every two vertically adjacent wear-resistant belts are arranged at intervals and form a flow channel, and the wear-resistant belts extend outwards to be higher than the outer surface of the drill bit body. Friction to the outer surface of the drill bit body can be reduced, the wear-resisting effect of the drill bit body is improved, and the service life of the drill bit body is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drill bit body technical field, concretely relates to a device that enhances the wear resistance of rotary steering tool. BACKGROUND

[0002] The rotary steering instrument drives the drilling tool to rotate, and then the drilling tool drives the drill bit body to work, but when the existing drill bit body rotates in the mud and rock debris, the mud and rock debris directly rub against the outer surface of the drill bit body with the drilling of the drill bit body, which causes wear to the drill bit body and reduces the service life of the drill bit body. SUMMARY

[0003] The main purpose of the utility model is to solve the above-mentioned technical problems to some extent, and a device that enhances the wear resistance of rotary steering tool is provided, which can reduce the friction on the outer surface of the drill bit body, improve the wear resistance of the drill bit body, and effectively increase the service life of the drill bit body.

[0004] The above-mentioned problems solved by the utility model are solved by the following technical solutions:

[0005] A device that enhances the wear resistance of rotary steering tool is provided, which includes a drill bit body, and a wear-resistant band is integrally formed on the outer surface of the drill bit body, the wear-resistant band is spirally arranged around the outer surface of the drill bit body with the upper end of the working part of the drill bit body as the base point, the starting point of the wear-resistant band is inclined upward, the wear-resistant band is spirally arranged downward in parallel, the adjacent two wear-resistant bands are spaced apart and form flow channels, and the wear-resistant band extends outward and is higher than the outer surface of the drill bit body.

[0006] In some embodiments, the wear-resistant band is arranged around the outer surface of the drill bit body three times.

[0007] In some embodiments, the starting point of the wear-resistant band is aligned with the end point.

[0008] In some embodiments, the wear-resistant band is 3mm higher than the outer surface of the drill bit body.

[0009] In some embodiments, the width of the wear-resistant band is 20mm.

[0010] In some embodiments, the width of the flow channel formed by the adjacent two wear-resistant bands is 60mm.

[0011] In some embodiments, the wear-resistant band is spirally arranged counterclockwise.

[0012] In some embodiments, the wear-resistant band is integrally formed by fusion welding.

[0013] The above-mentioned technical solutions provided by the present application have the following advantages compared with the prior art:

[0014] The utility model discloses a drill bit body outer surface integrative wear -resistant band is equipped with, and this wear -resistant band spiral setting, when the drill bit body rotary guide drilling mud and rock debris first contact with wear -resistant band, and mud and rock debris can flow in the flow channel formed in wear -resistant band, will not form the resistance to the drill bit body outer surface, thereby can reduce the friction to the drill bit body outer surface, improve the wear -resistant effect of drill bit body, effectively increase the service life of drill bit body. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other drawings according to the structure shown in these drawings.

[0016] Figure 1 The structure diagram of the device for enhancing the wear resistance of the rotary guide tool of the utility model.

[0017] Explanation of reference numerals:

[0018] 1-drill bit body;2-wear -resistant band;3-start point;4-end point;5-flow channel. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment only some embodiments of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without creative labor belong to the scope of protection of the utility model.

[0020] It should be noted that if the embodiment of the utility model involves directional indication (such as up, down, left, right, front, back, etc.), the directional indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, if the specific posture changes, the directional indication also changes accordingly.

[0021] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0022] like Figure 1 As shown, the utility model proposes a device for enhancing the wear resistance of a rotary guide tool, comprising a drill body 1, an outer surface of the drill body 1 having a wear-resistant belt 2 integrally formed thereon, wherein the wear-resistant belt 2 is integrally formed by cladding welding to ensure the use strength of the wear-resistant belt 2, and the wear-resistant belt 2 is spirally arranged counterclockwise, and its spiral direction is opposite to the rotation direction of the drill tool, the wear-resistant belt 2 is based on the upper end of the working part of the drill body 1 and is spirally arranged three times from top to bottom around the outer surface of the drill body 1, wherein the starting point 3 of the wear-resistant belt 2 is inclined upward so that the wear-resistant belt 2 spirals downward in parallel, and after the spiral, the starting point 3 of the wear-resistant belt 2 is aligned with the end point 4, and the upper and lower adjacent wear-resistant belts 2 are spaced apart to form a flow channel 5, and the specific width of the flow channel 5 formed by the upper and lower adjacent wear-resistant belts 2 is 60 mm, and the wear-resistant belt 2 extends outward 3 mm higher than the outer surface of the drill body 1, so that the depth of the flow channel 5 is also 3 mm, and the width of the wear-resistant belt 2 is 20 mm to ensure the use strength of the flow channel 5.

[0023] In this embodiment, a wear-resistant belt 2 is integrally formed on the outer surface of the drill bit body 1, and the wear-resistant belt 2 is spirally arranged. When the drill bit body 1 rotates to guide drilling mud and rock cuttings, they first contact the wear-resistant belt 2. The wear-resistant belt 2 spirals counterclockwise, and the drill tool drills clockwise, so that the mud and rock cuttings flow out in the flow channel 5 formed by the wear-resistant belt 2, and will not form resistance on the outer surface of the drill bit body 1, thereby reducing the friction on the outer surface of the drill bit body 1, improving the wear resistance of the drill bit body 1, and effectively increasing the service life of the drill bit body 1.

[0024] The above are only preferred embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An apparatus for enhancing the abrasion resistance of a rotary steerable tool comprising a bit body, wherein, The wear-resistant band is integrally formed on the outer surface of the drill bit body, is spirally arranged counterclockwise around the outer surface of the working part of the drill bit body from top to bottom with the upper end of the working part as a base point, the starting point of the wear-resistant band is inclined upward, the wear-resistant band is spirally arranged downward in parallel, the adjacent two wear-resistant bands are spaced apart and form flow channels, and the wear-resistant band extends outward by 3 mm from the outer surface of the drill bit body. The wear-resistant band is arranged around the outer surface of the drill bit body for three turns, the width of the flow channel formed by the adjacent two wear-resistant bands is 60 mm, the wear-resistant band extends outward by 3 mm from the outer surface of the drill bit body, and the width of the wear-resistant band is 20 mm.

2. The apparatus of claim 1, wherein, The starting point of the wear-resistant band is aligned with the end point.

3. The apparatus of claim 1, wherein, The wear-resistant band is integrally formed by means of fusion welding.

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