Stable slurry pump bearing

Abstract

A stable slurry pump bearing relates to the technical field of bearings and comprises an outer ring and an inner ring, and a retainer is arranged between the outer ring and the inner ring. A roller is arranged on the retainer; a fixing ring is fixedly connected to the side wall of the inner ring, and a particle shielding structure is fixedly connected to the fixing ring; in order to solve the problem that in the prior art, when a common bearing is suitable for a slurry pump, due to the fact that particulate matter enters the bearing after long-time use, abrasion is caused easily, the particle shielding structure is designed, the function of shielding the particulate matter can be achieved through the arrangement of the particle shielding structure, and meanwhile during high-speed rotation, the particulate matter can be effectively prevented from entering the bearing. Furthermore, an auxiliary lubrication structure is designed, automatic auxiliary lubrication can be carried out during rotation through the arrangement of the auxiliary lubrication structure, the situation that abrasion is caused by insufficient lubrication after long-time use is avoided, and the device is suitable for application and popularization.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of bearings, in particular to a stable mud pump bearing. BACKGROUND

[0002] As a key equipment in the fields of oil drilling, mine exploitation and river dredging, a mud pump has a core component bearing which is long-term in a high-load, strong-impact and extremely abrasive environment;

[0003] Since the mud medium contains a large amount of hard particles such as sand and rock debris, the bearing inevitably faces the problems of particle intrusion and lubrication failure during operation, which leads to early wear, fatigue spalling and even seizure failure, and seriously affects the operation efficiency and service life of the equipment.

[0004] That is, the prior art has the following technical problems: the sand particles easily enter the inside of the bearing during the operation of the ordinary mud pump bearing. Therefore, the stable mud pump bearing is proposed for the above problems. CONTENT OF THE INVENTION

[0005] The stable mud pump bearing is provided in the embodiment to solve the problem that the sand particles easily enter the inside of the bearing during the operation of the ordinary mud pump bearing in the prior art.

[0006] According to one aspect of the application, a stable mud pump bearing is provided, comprising:

[0007] An outer ring and an inner ring are provided between which a retainer is arranged;

[0008] Rollers are arranged on the retainer;

[0009] A fixing ring is fixedly connected to the side wall of the inner ring, a particle shielding structure is fixedly connected to the fixing ring, and the particle shielding structure is used for shielding mud during rotation.

[0010] An auxiliary lubricating structure is arranged at the outer ring, and the auxiliary lubricating structure is used for automatic auxiliary lubrication during rotation.

[0011] The stable mud pump bearing has the rollers arranged in a plurality of numbers, and the plurality of rollers are arranged in an annular array between the outer ring and the inner ring.

[0012] The stable mud pump bearing has the rollers arranged in a plurality of numbers, and the plurality of rollers are arranged in an annular array between the outer ring and the inner ring.

[0013] The stable mud pump bearing has the particle shielding structure comprising an arc-shaped shielding cover which is fixedly arranged at one side of the fixing ring, and the side edge of the arc-shaped shielding cover is in a circular arc structure.

[0014] The arc-shaped shielding cover is provided with a plurality of hollow grooves which are annularly distributed on the arc-shaped shielding cover.

[0015] The arc-shaped shielding cover is provided with a plurality of arc-shaped protrusions which are annularly fixed on the outer wall of the arc-shaped shielding cover.

[0016] The auxiliary lubricating structure comprises a cavity, a flow guide groove and a ball, the cavity is arranged in the inner part of the outer ring, a plurality of flow guide grooves are arranged at the side of the cavity, and the ball is rotatably arranged at one end of the flow guide groove.

[0017] The inner part of the cavity is filled with lubricating oil.

[0018] Through the above-mentioned embodiments, in order to solve the problem that the ordinary bearing is prone to wear caused by the entry of particles into the bearing during long-time use in the prior art, the particle shielding structure is designed, the particle shielding structure can shield particles, and the attached particles can be centrifugally thrown out during high-speed rotation, further, the auxiliary lubricating structure is designed, the auxiliary lubricating structure can automatically lubricate during rotation, and the problem of wear caused by insufficient lubrication after long-time use is avoided, so the stable mud pump bearing is suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a whole structure schematic view of the present application;

[0021] Figure 2 It is a structure schematic view of the particle shielding structure of the present application;

[0022] Figure 3 It is a side whole structure schematic view of the present application;

[0023] Figure 4 It is a structure schematic view of the auxiliary lubricating structure of the present application.

[0024] In the figure: 1, outer ring; 2, inner ring; 3, retainer; 4, roller; 5, fixed ring; 6, particle shielding structure; 601, arc-shaped shielding cover; 602, hollow groove; 603, arc-shaped protrusion; 7, auxiliary lubrication structure; 701, cavity; 702, flow guide groove; 703, ball. DETAILED DESCRIPTION

[0025] In order to enable personnel in the technical field to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0026] Please refer to Figures 1-4 The stable mud pump bearing comprises:

[0027] An outer ring 1 and an inner ring 2, wherein the outer ring 1 and the inner ring 2 are provided with a retainer 3 therebetween;

[0028] The retainer 3 is provided with a roller 4;

[0029] The inner ring 2 is fixedly connected with a fixed ring 5 at the side wall, and the fixed ring 5 is fixedly connected with a particle shielding structure 6, which is used for shielding mud during rotation;

[0030] An auxiliary lubrication structure 7 is arranged at the outer ring 1, and the auxiliary lubrication structure 7 is used for automatic auxiliary lubrication during rotation;

[0031] Through the above technical scheme, the particle shielding structure 6 can shield particles, and at the same time, the attached particles can be centrifugally thrown out during high-speed rotation. Furthermore, the auxiliary lubrication structure 7 is designed, which can automatically lubricate during rotation, avoiding the abrasion caused by insufficient lubrication after long-term use, and is suitable for popularization and use;

[0032] The roller 4 is arranged in a plurality of numbers, and the plurality of rollers 4 are arranged in an annular array between the outer ring 1 and the inner ring 2;

[0033] The roller 4 is in a conical structure;

[0034] The particle shielding structure 6 includes an arc-shaped shielding cover 601 fixedly arranged at one side of the fixed ring 5, and the side edge of the arc-shaped shielding cover 601 is in a circular arc structure.

[0035] A plurality of hollow grooves 602 are arranged on the arc-shaped shielding cover 601 in a ring shape.

[0036] A plurality of arc-shaped protrusions 603 are fixedly arranged on the outer wall of the arc-shaped shielding cover 601 in a ring shape.

[0037] The auxiliary lubricating structure 7 includes a cavity 701, a flow guide groove 702 and a ball 703.

[0038] The cavity 701 is filled with lubricating oil.

[0039] When the bearing rotates, the roller 4 can contact the ball 703 and drive the ball 703 to rotate, so that the rotation of the ball 703 can continuously smear the lubricating oil on the roller 4, thereby achieving the effect of auxiliary lubrication.

[0040] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A stable slurry pump bearing, characterized by, Include: The outer ring (1) and inner ring (2), the outer ring (1) and inner ring (2) between the cage (3) is provided; The cage (3) is provided with a roller (4); The side wall of the inner ring (2) is fixedly connected with a fixed ring (5), the fixed ring (5) is fixedly connected with a particle shielding structure (6), the particle shielding structure (6) is used for shielding mud when rotating; Auxiliary lubricating structure (7), the auxiliary lubricating structure (7) is provided at the outer ring (1), the auxiliary lubricating structure (7) is used for automatic auxiliary lubrication when rotating.

2. The stable slurry pump bearing of claim 1, wherein: The roller (4) is provided with several, several rollers (4) are arranged in an annular array between the outer ring (1) and the inner ring (2).

3. The stable slurry pump bearing of claim 2, wherein: The roller (4) is a conical structure.

4. The stable slurry pump bearing of claim 1, wherein: The particle shielding structure (6) includes an arc-shaped shielding cover (601), the arc-shaped shielding cover (601) is fixedly arranged on one side of the fixed ring (5), and the side of the arc-shaped shielding cover (601) is a circular arc structure.

5. The stable slurry pump bearing of claim 4, wherein: The arc-shaped shielding cover (601) is provided with a plurality of hollow grooves (602), and the plurality of hollow grooves (602) are arranged in an annular array on the arc-shaped shielding cover (601).

6. The stable slurry pump bearing of claim 4, wherein: The outer wall of the arc-shaped shielding cover (601) is fixedly provided with a plurality of arc-shaped protrusions (603), and the plurality of arc-shaped protrusions (603) are fixedly arranged on the outer wall of the arc-shaped shielding cover (601).

7. The stable slurry pump bearing of claim 1, wherein: The auxiliary lubricating structure (7) includes a cavity (701), a flow guide groove (702) and a ball (703), the cavity (701) is arranged in the inner ring (1), the side of the cavity (701) is provided with a plurality of flow guide grooves (702), and one end of the flow guide groove (702) is rotatably embedded with a ball (703).

8. The stable slurry pump bearing of claim 7, wherein: The inside of the cavity (701) is filled with lubricating oil.

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