CN216343371U - Diamond bearing applied to turbine drilling tool - Google Patents
Diamond bearing applied to turbine drilling tool Download PDFInfo
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- CN216343371U CN216343371U CN202122635170.5U CN202122635170U CN216343371U CN 216343371 U CN216343371 U CN 216343371U CN 202122635170 U CN202122635170 U CN 202122635170U CN 216343371 U CN216343371 U CN 216343371U
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- bearing ring
- radial bearing
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Abstract
The utility model relates to a diamond bearing applied to a turbine drilling tool, and belongs to the field of bearings. The bearing ring comprises a first bearing ring, a second bearing ring, a first radial bearing ring and a second radial bearing ring, wherein the first radial bearing ring is connected with the first bearing ring, the first radial bearing ring comprises a third radial bearing ring and a fourth radial bearing ring, the third radial bearing ring is respectively connected with the first bearing ring and the fourth radial bearing ring, the inner diameter of the fourth radial bearing ring close to one end of the third radial bearing ring is gradually reduced to the inner diameter of the fourth radial bearing ring far away from one end of the third radial bearing ring, the outer surface of the fourth radial bearing ring is provided with an even number of diamond composite sheets, one end of the second radial bearing ring is connected with the second bearing ring, the inner surface of the second radial bearing ring is an arc surface, and the inner surface of the second radial bearing ring is annularly provided with odd number of diamond composite sheets. Has better wear resistance, shock resistance, high temperature resistance and corrosion resistance, and has longer service life.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a diamond bearing applied to a turbine drilling tool.
Background
The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision (accuracy).
The existing bearing applied to the turbine drilling tool has the defects of short service life, poor high temperature resistance, poor impact resistance, poor wear resistance and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the diamond bearing applied to the turbine drilling tool, which has the advantages of better wear resistance, shock resistance, high temperature resistance and corrosion resistance and longer service life.
In order to achieve the above purpose, the solution adopted by the utility model is as follows:
a diamond bearing applied to a turbine drilling tool comprises a first bearing ring, a second bearing ring, a first radial bearing ring and a second radial bearing ring, wherein one end of the first radial bearing ring is connected with the first bearing ring, the other end of the first radial bearing ring extends towards the direction far away from the first bearing ring, the first radial bearing ring comprises a third radial bearing ring and a fourth radial bearing ring, one end of the third radial bearing ring is connected with the first bearing ring, the other end of the third radial bearing ring is connected with the fourth radial bearing ring, the inner diameter of the fourth radial bearing ring close to one end of the third radial bearing ring is gradually reduced to the inner diameter of the end far away from the third radial bearing ring, an even number of diamond composite sheets are arranged on the outer surface of the fourth radial bearing ring at annular intervals, one end of the second radial bearing ring is connected with the second bearing ring, the other end of the second radial bearing ring extends towards the direction far away from the second bearing ring, and the inner surface of the second radial bearing ring is an arc surface, the diameter that the internal surface of second radial bearing circle is close to second bearing circle one end is to keeping away from the diameter of the internal surface one end of second bearing circle crescent gradually, and the internal surface of second radial bearing circle is cyclic annularly provided with odd number diamond compact, and the internal diameter of first radial bearing circle is less than the internal diameter of second radial bearing circle, and first radial bearing circle sets up with the cooperation of second radial bearing circle.
Further, in a preferred embodiment of the present invention, a chamfer is disposed at a connection position of the first radial bearing ring and the first bearing ring.
Further, in the preferred embodiment of the present invention, the angle of the chamfer is 45-60 °.
Further, in a preferred embodiment of the present invention, a plurality of spring clips are annularly disposed on an inner surface of the fourth radial bearing ring.
Further, in the preferred embodiment of the present invention, the number of the spring clips is 4.
Further, in the preferred embodiment of the present invention, the arc degree of the arc surface is 120-160 °.
Further, in a preferred embodiment of the present invention, the diamond compact is welded to the outer surface of the fourth radial bearing ring and the inner surface of the second radial bearing ring by vacuum welding, respectively.
Further, in the preferred embodiment of the present invention, the diamond compact is 5-6mm thick.
The diamond bearing applied to the turbine drilling tool provided by the utility model has the beneficial effects that: when the bearing is used, the second radial bearing ring is sleeved outside the fourth radial bearing ring, even-numbered diamond composite sheets are annularly arranged on the outer surface of the fourth radial bearing ring at intervals, and odd-numbered diamond composite sheets are annularly arranged on the inner surface of the second radial bearing ring, so that the gap between the diamond composite sheets of the fourth radial bearing ring and the diamond composite sheets of the second radial bearing ring is ensured during rotation, the generation of heat is reduced, and the service life of the bearing is prolonged; the inner diameter of one end, close to the third radial bearing ring, of the fourth radial bearing ring is gradually reduced to the inner diameter of one end, far away from the third radial bearing ring, of the fourth radial bearing ring, namely the outer surface of the fourth radial bearing ring is an arc surface, and the inner surface of the second radial bearing ring is an arc surface, so that the fourth radial bearing ring and the second radial bearing ring are more attached, the matching is better in working, the stability in rotary guiding is better, and the wear resistance and the shock resistance of the rotary guiding are improved; the diamond compact is used on the bearing, so that the bearing is more wear-resistant, impact-resistant, high-temperature-resistant and corrosion-resistant, the service life of the bearing can be greatly prolonged, and the use reliability is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a diamond bearing applied to a turbine drilling tool according to an embodiment of the present invention;
FIG. 2 is a bottom view of a first bearing ring and a first radial bearing ring coupled according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second bearing ring and a second radial bearing ring after being connected according to an embodiment of the present invention;
FIG. 4 is a top view of a second bearing ring and a second radial bearing ring coupled according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a diamond compact according to an embodiment of the present invention.
Icon: 100-diamond bearings applied to turbine drills; 200-a first bearing ring; 300-second bearing ring; 400-a first radial bearing ring; 410-a third radial bearing ring; 420-a fourth radial bearing ring; 430-spring snap; 500-a second radial bearing ring; 600-a diamond compact; 610-a diamond sheet layer; 620 — hard alloy layer.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some embodiments of the present invention, but not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the utility model product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, the present embodiment provides a diamond bearing 100 for a turbine drill, which includes a first bearing ring 200, a second bearing ring 300, a first radial bearing ring 400, and a second radial bearing ring 500.
Referring to fig. 1, 2, 3 and 4, one end of the first radial bearing ring 400 is connected to the first bearing ring 200, and the other end extends away from the first bearing ring 200. in the present invention, a chamfer is provided at the connection between the first radial bearing ring 400 and the first bearing ring 200 to improve the impact resistance and wear resistance of the bearing ring during rotation guiding and to prolong the service life of the bearing ring.
Further, the angle of the chamfer is 45-60 degrees.
The first radial bearing ring 400 comprises a third radial bearing ring 410 and a fourth radial bearing ring 420, the third radial bearing ring 410 being connected at one end to the first bearing ring 200 and at the other end to the fourth radial bearing ring 420.
Wherein, the inner diameter of the end of the fourth radial bearing ring 420 close to the third radial bearing ring 410 is gradually reduced to the inner diameter of the end far away from the third radial bearing ring 410, one end of the second radial bearing ring 500 is connected with the second bearing ring 300, the other end extends towards the direction far away from the second bearing ring 300, the inner surface of the second radial bearing ring 500 is a circular arc surface, the diameter of the inner surface of the second radial bearing ring 500 close to the end of the second bearing ring 300 is gradually increased to the diameter of the end far away from the inner surface of the second bearing ring 300, in the utility model, the outer surface of the fourth radial bearing ring 420 is circular arc-shaped, the second radial bearing ring 500 is sleeved outside the fourth radial bearing ring 420 when in use, the purpose is to make the fourth radial bearing ring 420 and the second radial bearing ring 500 more fit with each other when in use, better fit, simultaneously, the stability when in rotary guidance can be better, and the wear resistance of the rotary guidance can be improved, And (4) impact resistance.
Further, the radian of the arc surface is 120-.
The outer surface of the fourth radial bearing ring 420 is provided with even number of diamond compact pieces 600 at annular intervals, the inner surface of the second radial bearing ring 500 is provided with odd number of diamond compact pieces 600 annularly, the purpose is that the even number of diamond compact pieces 600 on the fourth radial bearing ring 420 are not in one-to-one correspondence with the odd number of diamond compact pieces 600 on the second radial bearing ring 500, the gaps between the diamond compact pieces 600 of the fourth radial bearing ring 420 and the diamond compact pieces 600 of the second radial bearing ring 500 during rotation are ensured, the generation of heat is reduced, and the service life of the bearing is further prolonged.
Further, the diamond composite sheet 600 is respectively welded on the outer surface of the fourth radial bearing ring 420 and the inner surface of the second radial bearing ring 500 by vacuum welding, wherein the vacuum welding can prevent molten metal from being polluted by harmful gases such as oxygen, nitrogen and the like, is favorable for degassing and purifying weld metal, is pure, smooth and mirror-finished, has no defects such as oxidation and the like when being welded, and has no defects such as difficult deformation of a welding part during welding due to no air pressure effect, the vacuum welding adopted by the utility model can greatly improve the welding quality, ensures that the surface has no slag, no gap and no overflow of welding paste, the diamond composite sheet 600 has no conditions of crack and edge drop after being welded, the joint of the diamond composite sheet 600 and a welding piece has no gap, and the diamond composite sheet 600 is firmly connected with the welding and is difficult to drop, and the vacuum welding defect rate can be greatly reduced by adopting the vacuum welding, the loss of material and damage to the welded object are reduced, and the wear resistance, impact resistance, and service life of the diamond bearing 100 applied to the turbine drill can be further improved.
Referring to fig. 5, in the present invention, a diamond compact 600 is formed by sintering diamond micro powder and a cemented carbide substrate under an ultrahigh pressure and high temperature condition, and has the high hardness, high wear resistance and thermal conductivity of diamond, and the strength and impact toughness of cemented carbide. In the present invention, the diamond compact 600 includes a diamond layer 610 and a hard alloy layer 620.
Further, the diamond compact 600 has a thickness of 5-6mm, wherein the diamond layer 610 has a thickness of 2.0-2.4mm, which can ensure both wear resistance and impact resistance, and also ensure that the cemented carbide has good connectivity with the outer surface of the fourth radial bearing ring 420 and the inner surface of the second radial bearing ring 500, respectively.
Wherein, the internal diameter of first radial bearing circle 400 is less than the internal diameter of second radial bearing circle 500, and first radial bearing circle 400 sets up with the cooperation of second radial bearing circle 500.
With reference to fig. 1 and 2, a plurality of spring clips 430 are further annularly disposed on an inner surface of the fourth radial bearing ring 420, so that when a shaft sequentially passes through the second bearing ring 300 and the second radial bearing ring 500 and enters the fourth radial bearing ring 420 during a later use and installation, the spring clips 430 are compressed to abut against the shaft, thereby improving the stability of the use.
Further, the number of the spring catches 430 is 4, and the spring catches 430 are circumferentially disposed on the inner surface of the fourth radial bearing ring 420, but the number of the spring catches 430 is not limited thereto, and may be 2, 3, 5, and the like, and the arrangement is performed according to actual situations.
In summary, in the diamond bearing applied to the turbine drilling tool, when in use, the second radial bearing ring is sleeved outside the fourth radial bearing ring, even number of diamond compact sheets are annularly arranged on the outer surface of the fourth radial bearing ring at intervals, and odd number of diamond compact sheets are annularly arranged on the inner surface of the second radial bearing ring, so as to ensure the gap between the diamond compact sheets of the fourth radial bearing ring and the diamond compact sheets of the second radial bearing ring during rotation, reduce heat generation, and prolong the service life of the bearing; the inner diameter of one end, close to the third radial bearing ring, of the fourth radial bearing ring is gradually reduced to the inner diameter of one end, far away from the third radial bearing ring, of the fourth radial bearing ring, namely the outer surface of the fourth radial bearing ring is an arc surface, and the inner surface of the second radial bearing ring is an arc surface, so that the fourth radial bearing ring and the second radial bearing ring are more attached, the matching is better in working, the stability in rotary guiding is better, and the wear resistance and the shock resistance of the rotary guiding are improved; the diamond compact is used on the bearing, so that the bearing is more wear-resistant, impact-resistant, high-temperature-resistant and corrosion-resistant, the service life of the bearing can be greatly prolonged, and the use reliability is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The diamond bearing applied to the turbine drilling tool is characterized by comprising a first bearing ring, a second bearing ring, a first radial bearing ring and a second radial bearing ring, wherein one end of the first radial bearing ring is connected with the first bearing ring, the other end of the first radial bearing ring extends towards the direction far away from the first bearing ring, the first radial bearing ring comprises a third radial bearing ring and a fourth radial bearing ring, one end of the third radial bearing ring is connected with the first bearing ring, the other end of the third radial bearing ring is connected with the fourth radial bearing ring, the inner diameter of one end, close to the third radial bearing ring, of the fourth radial bearing ring is gradually reduced to the inner diameter far away from one end of the third radial bearing ring, even-number diamond composite sheets are arranged on the outer surface of the fourth radial bearing ring at annular intervals, and one end of the second radial bearing ring is connected with the second bearing ring, the other end is towards keeping away from the direction of second bearing circle extends, the internal surface of second radial bearing circle is the circular arc surface, the internal surface of second radial bearing circle is close to the diameter of second bearing circle one end is to keeping away from the diameter of the internal surface one end of second bearing circle increases gradually, the internal surface of second radial bearing circle is cyclic annularly provided with odd number diamond compact piece, the internal diameter of first radial bearing circle is less than the internal diameter of second radial bearing circle, first radial bearing circle with the cooperation of second radial bearing circle sets up.
2. The diamond bearing for turbine drilling tool according to claim 1, wherein the junction of the first radial bearing ring and the first bearing ring is provided with a chamfer.
3. The diamond bearing for a turbo drill according to claim 2, wherein the angle of the chamfer is 45 to 60 °.
4. The diamond bearing for a turbine drill according to claim 1, wherein the inner surface of the fourth radial bearing ring is annularly provided with a plurality of spring catches.
5. The diamond bearing applied to a turbine drill according to claim 4, wherein the number of the spring catches is 4.
6. The diamond bearing for the turbine drilling tool according to claim 1, wherein the arc degree of the arc surface is 120-160 °.
7. The diamond bearing for a turbine drill according to claim 1, wherein the diamond compact is welded to the outer surface of the fourth radial bearing ring and the inner surface of the second radial bearing ring, respectively, by vacuum welding.
8. The diamond bearing for a turbine drill according to claim 7, wherein the diamond compact has a thickness of 5 to 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122635170.5U CN216343371U (en) | 2021-10-29 | 2021-10-29 | Diamond bearing applied to turbine drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122635170.5U CN216343371U (en) | 2021-10-29 | 2021-10-29 | Diamond bearing applied to turbine drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343371U true CN216343371U (en) | 2022-04-19 |
Family
ID=81132577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122635170.5U Active CN216343371U (en) | 2021-10-29 | 2021-10-29 | Diamond bearing applied to turbine drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343371U (en) |
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2021
- 2021-10-29 CN CN202122635170.5U patent/CN216343371U/en active Active
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