CN215762803U

CN215762803U - Bidirectional thrust double-row tapered roller bearing

Info

Publication number: CN215762803U
Application number: CN202121538883.3U
Authority: CN
Inventors: 万心兵; 肖冰; 王克振
Original assignee: Qiqihar Zhongsheng Machinery Technology Co ltd
Current assignee: Qiqihar Zhongsheng Machinery Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-02-08
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a bidirectional thrust double-row tapered roller bearing, which comprises an outer ring, an inner ring and a connecting rod, and is characterized in that oil conveying holes are arranged at the middle part of the outer ring at equal intervals, the inner ring is arranged inside the outer ring, grooves are respectively arranged at two sides of the inner ring, tapered rollers are arranged inside the grooves, the middle part of each tapered roller is movably connected with one end of a shaft rod, the other end of the shaft rod is fixedly connected with the inner wall of the groove, a circular ring is arranged at the middle part of the inner ring, circular holes are arranged at equal intervals around the circular ring and movably connected with the middle part of a screw rod, the connecting rod is arranged inside the inner ring, threaded holes are arranged at equal intervals on the inner ring, nuts are respectively arranged at two ends of the screw rod, one side of each nut is fixedly connected with the screw rod, the top end of each tapered roller is movably connected with the inner wall of the outer ring, the threaded holes are connected with the screw rod in a threaded manner, and the connecting rod is connected with the inner ring in a buckling manner, the circular ring is movably connected with the connecting rod. The utility model has simple structure and is easy to adjust the tightness degree of the bearing.

Description

Bidirectional thrust double-row tapered roller bearing

Technical Field

The utility model relates to the field of mechanical parts, in particular to a bidirectional thrust double-row tapered roller bearing.

Background

The tapered roller bearing is a radial thrust type rolling bearing with a tapered roller as a rolling element, and has a small taper angle and a large taper angle, wherein the small taper angle mainly bears radial and axial combined loads mainly based on radial loads, the tapered roller bearing is frequently used in a double-way mode, the tapered roller bearing is reversely installed, inner and outer seat rings can be respectively installed, an outer ring of the double-row tapered roller bearing is a whole, small end faces of two inner rings are close, a spacer ring is arranged in the middle, a clearance is adjusted by the thickness of the spacer ring, pre-interference of the double-row tapered roller bearing can also be adjusted by the thickness of the spacer ring, the traditional double-row tapered roller bearing is difficult to fill lubricating oil, the oil is more difficult to fill after the installation, the traditional double-row tapered roller bearing is inconvenient to install, and the double-row tapered roller bearing convenient for daily use of people is urgently needed according to the above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bidirectional thrust double-row tapered roller bearing to solve the problems in the background technology.

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

the utility model provides a two-way thrust biserial tapered roller bearing, includes outer loop, inner ring and connecting rod, its characterized in that, the oil delivery hole is installed to the equidistant middle part of outer loop, the internally mounted of outer loop has the inner ring, the recess is installed respectively to the both sides of inner ring, the internally mounted of recess has tapered roller, tapered roller's the middle part and the one end swing joint of axostylus axostyle, the other end of axostylus axostyle and the inner wall fixed connection of recess, the ring is installed to the middle part of inner ring, the round hole is installed to equidistant all around of ring, the middle part swing joint of round hole and screw rod, the internally mounted of inner ring has the connecting rod, the equidistant screw hole of installing on the inner ring, the nut is installed respectively at the both ends of screw rod, one side of nut with screw rod fixed connection.

As a further scheme of the utility model, the top end of the tapered roller is movably connected with the inner wall of the outer ring.

As a further aspect of the present invention, the threaded hole is threadedly connected to the screw rod.

As a further scheme of the utility model, the connecting rod is in snap connection with the inner ring.

As a further scheme of the utility model, the circular ring is movably connected with the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

the inner ring of the utility model can be finely adjusted under the action of the screw rod, the relative movement of the inner ring can be controlled by screwing the nut, the tightness degree between the inner ring and the outer ring can be conveniently adjusted, and meanwhile, the later-stage disassembly and maintenance operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall cross-sectional view of a double row tapered roller bearing with bidirectional thrust according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an outer ring; 2. an oil transfer hole; 3. a tapered roller; 4. a shaft lever; 5. a groove; 6. an inner ring; 7. a nut; 8. a screw; 9. a connecting rod; 10. a threaded hole; 11. a circular ring; 12. a circular hole.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the 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, the double-row tapered roller bearing with bidirectional thrust according to the embodiment of the present invention includes an outer ring 1, an inner ring 6 and a connecting rod 9, and is characterized in that oil transfer holes 2 are installed at equal intervals in the middle of the outer ring 1, the inner ring 6 is installed inside the outer ring 1, grooves 5 are respectively installed on two sides of the inner ring 6, tapered rollers 3 are installed inside the grooves 5, the middle of the tapered rollers 3 is movably connected with one end of a shaft rod 4, the other end of the shaft rod 4 is fixedly connected with the inner wall of the grooves 5, a circular ring 11 is installed at the middle of the inner ring 6, circular holes 12 are installed at equal intervals around the circular ring 11, the circular holes 12 are movably connected with the middle of a screw 8, the connecting rod 9 is installed inside the inner ring 6, threaded holes 10 are installed at equal intervals on the inner ring 6, nuts 7 are respectively installed at two ends of the screw rod 8, and one side of each nut 7 is fixedly connected with the screw rod 8.

According to the scheme provided by the utility model, the top end of the tapered roller 3 is movably connected with the inner wall of the outer ring 1, the threaded hole 10 is in threaded connection with the screw 8, the connecting rod 9 is in buckled connection with the inner ring 6, and the circular ring 11 is movably connected with the connecting rod 9.

The working principle is as follows: oil delivery hole 2 makes things convenient for the staff to add lubricating oil to the bearing on the outer loop 1, and tapered roller 3 lets outer loop 1 and inner ring 6 can the rotation each other, twists and moves nut 7 on the screw rod 8 and can let screw rod 8 rotate to let and carry out relative removal between the inner ring 6, be convenient for adjust the clearance and the elasticity degree of bearing, also make things convenient for subsequent dismantlement maintenance work simultaneously.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A bidirectional thrust double-row tapered roller bearing comprises an outer ring (1), an inner ring (6) and a connecting rod (9), and is characterized in that oil conveying holes (2) are formed in the middle of the outer ring (1) at equal intervals, the inner ring (6) is arranged inside the outer ring (1), grooves (5) are respectively formed in two sides of the inner ring (6), tapered rollers (3) are arranged inside the grooves (5), the middle of each tapered roller (3) is movably connected with one end of a shaft rod (4), the other end of each shaft rod (4) is fixedly connected with the inner wall of each groove (5), a circular ring (11) is arranged in the middle of the inner ring (6), round holes (12) are formed in the periphery of the circular ring (11) at equal intervals, the round holes (12) are movably connected with the middle of a screw rod (8), the connecting rod (9) is arranged inside the inner ring (6), threaded holes (10) are installed at equal intervals on the inner ring (6), nuts (7) are installed at two ends of the screw rod (8) respectively, and one side of each nut (7) is fixedly connected with the screw rod (8).

2. A double row tapered roller bearing of thrust in two directions according to claim 1, characterized in that the top of the tapered roller (3) is movably connected with the inner wall of the outer ring (1).

3. Double row tapered roller bearing of thrust in two directions according to claim 1, characterized in that the threaded hole (10) is in threaded connection with the screw (8).

4. Double row tapered roller bearing of two thrust forces according to claim 1, characterized in that the connecting rod (9) is snap-connected with the inner ring (6).

5. A double row tapered roller bearing of thrust in both directions as claimed in claim 1, characterized in that said ring (11) is movably connected to said connecting rod (9).