CN216343460U

CN216343460U - Bearing device of plowing machine

Info

Publication number: CN216343460U
Application number: CN202122530008.7U
Authority: CN
Inventors: 胡浩成; 王力; 向世超; 章航翊
Original assignee: Zhejiang Cmi Bearing Co ltd
Current assignee: Zhejiang Cmi Bearing Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-19
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a bearing device of a plowing machine. The normal use of the plowing machine can be influenced by the phenomena of pitting corrosion and plastic deformation of the bearing, deformation and breakage of the bearing seat, damage of an oil seal assembly, breakage of a rotating shaft and the like caused by unreasonable structure of the bearing device in the plowing machine or material factors and the like. A bearing device of a plowing machine is characterized in that a bearing seat is provided with a rotating shaft and an oil seal assembly, the bearing is sleeved on the rotating shaft, the rotating shaft abuts against the bearing seat, the bearing is a double-row angular contact ball bearing, and the oil seal assembly is arranged on the outer side of the bearing seat deviating from the bearing end; the oil seal assembly is sleeved on the retaining ring, and the retaining ring is abutted against the bearing seat; the outer side of the oil seal assembly is covered with a baffle plate, and one end of a bearing seat of the bearing is covered with an end cover. The utility model has the advantages of reasonable structure, bearing capacity is strong, and the leakproofness is good, effectively prevents inside dust, earth, stone, moisture etc. get into bearing frame and the bearing, long service life.

Description

Bearing device of plowing machine

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a bearing device of a plowing machine.

Background

The plowing machine is an agricultural tool for plowing, is used for breaking soil blocks to plow grooves, and a bearing device of the plowing machine is required to bear high temperature or low temperature in the plowing process, and foreign matters such as moisture, silt and the like easily enter the inside of the bearing device of the plowing machine to cause lubrication failure and shorten the service life of the bearing device. The bearing arrangement of a plowing machine is intended not only to prevent foreign objects from entering the bearing during plowing and causing lubrication failure, but also to resist axial and radial impacts to the bearing caused by hard objects unevenly distributed in the soil. The bearing device has unreasonable structure or material factors, the bearing has pitting and plastic deformation, the bearing seat deforms and breaks, the oil seal assembly is damaged, the rotating shaft is broken, the normal use of the plowing machine is affected, the maintenance convenience of the damaged parts is improved, and the use cost of the plowing machine is directly affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bearing device of a plowing machine, which is high temperature resistant, low temperature resistant, corrosion resistant, impact resistant and long in service life, aiming at the defects of the prior art.

A bearing device of a plowing machine comprises a bearing seat and a bearing, wherein the bearing seat is also provided with a rotating shaft and an oil seal assembly, the bearing is sleeved on the rotating shaft, the rotating shaft abuts against the bearing seat, the bearing is a double-row angular contact ball bearing, and the oil seal assembly is arranged on the outer side of the bearing seat deviating from the bearing end; the oil seal assembly is sleeved on the retaining ring, and the retaining ring is abutted against the bearing seat; the outer side of the oil seal assembly is covered with a baffle plate, and one end of a bearing seat of the bearing is covered with an end cover. The utility model has the advantages of reasonable structure, bearing capacity is strong, and the leakproofness is good, effectively prevents inside dust, earth, stone, moisture etc. get into bearing frame and the bearing, long service life.

As a further improvement and complement to the above solution, the present invention also includes the following additional technical features:

the oil seal assembly comprises a first flange, a first sealing ring, a second flange and a second sealing ring, wherein the first flange and the second flange are arranged oppositely and are respectively attached to the upper side and the lower side; the first flange is of a multi-section structure, and the second flange is of a frame-shaped structure; the first sealing ring is respectively attached to two sides of the first retaining edge and three sides of the second retaining edge, the second sealing ring is of a V-shaped structure, one end of the second sealing ring is sleeved on the first retaining edge, and the other two ends of the second sealing ring are respectively attached to two inner sides of the second retaining edge. The leakproofness is good, effectively prevents inside dust, earth, stone, moisture etc. get into bearing frame and bearing.

The end cover is of a circular structure with folded edges at two ends and a groove on the end face, and is reasonable in structure and capable of effectively increasing strength.

The bearing seat is provided with an O-shaped ring on the end face of the bearing side, so that the sealing between the bearing seat and other parts is ensured.

The bearing seat is provided with a clamping groove with a right trapezoid cross section, and the O-shaped ring is good in sealing effect.

The rotating shaft is provided with a guide section, so that the installation and the disassembly are convenient.

The bearing seat and the rotating shaft are made of 42CrMo, and the bearing seat and the rotating shaft are high in strength, high in toughness, wear-resistant, good in comprehensive performance and long in service life.

The first sealing ring, the second sealing ring and the O-shaped ring are made of NBR, and are resistant to low temperature and oil and long in service life.

The utility model can achieve the following beneficial effects: the utility model has reasonable structure, strong bearing capacity and good sealing performance, and effectively prevents dust, soil, stones, moisture and the like from entering the bearing seat and the inside of the bearing; and the paint can resist high temperature, low temperature, corrosion and impact, has long service life and reduces the production cost.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a right side view of the present invention (with the oil seal assembly 5 removed).

Fig. 3 is a front view of the bearing housing 1 of the present invention.

Fig. 4 is a front view of the rotating shaft 3 in the present invention.

Fig. 5 is a right side view of the rotating shaft 3 in the present invention.

Fig. 6 is a partially enlarged view of a portion a shown in fig. 1.

Fig. 7 is a front view of the end cap 4 of the present invention.

Fig. 8 is a partial enlarged view of fig. 4 at B.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

As shown in fig. 1 to 8, the present invention is a bearing device of a plowing machine.

This embodiment bearing arrangement of plough machine, including bearing frame 1 and bearing 2, bearing frame 1 is for having the structure of flange terminal surface, a plurality of bolt holes of evenly distributed on the flange terminal surface of bearing frame 1, the quantity of bolt hole is 4 in this embodiment, specifically sets up according to different specifications plough machine. Bearing frame 1 on still be equipped with axis of rotation 3 and oil blanket subassembly 5, bearing 2 cover is established on axis of rotation 3, bearing 2 passes through 8 block of jump ring on bearing frame 1, sets for position portion 31 on axis of rotation 3, the last position portion 31 of axis of rotation 3 supports and leans on bearing frame 1, just bearing 2 be double row angular contact ball bearing, oil blanket subassembly 5 sets up in the bearing frame 1 outside of deviating from bearing 2 end. The oil seal assembly 5 is sleeved on the check ring 6, the check ring 6 is abutted against the bearing seat 1, the bearing 2 and the check ring 6 are arranged oppositely, the bearing 2 is arranged in the step of the bearing seat 1, and the check ring 6 is arranged outside the step of the bearing seat 1. A baffle 7 covers the outer side of the oil seal assembly 5, the baffle 7 is sleeved on a retainer ring 6, and an end cover 4 covers one end of a bearing seat 1 of the bearing 2.

Further, the oil seal assembly 5 comprises a first rib 51, a first seal ring 52, a second rib 53 and a second seal ring 54, wherein the first rib 51 and the second rib 53 are oppositely arranged and respectively attached to the upper side and the lower side; the first rib 51 has a multi-segment structure, and is composed of a horizontal segment, a vertical segment, an inclined segment, and a vertical segment, and the second rib 53 has a frame-shaped structure, and a frame-shaped opening is opposite to the inclined segment and the vertical segment of the first rib 51. The first sealing ring 52 is respectively attached to two sides of the first rib 51 and three sides of the second rib 53, and a plurality of sealing lips are arranged on the horizontal section of the first rib 51 of the first sealing ring 52. The second sealing ring 54 is a V-shaped structure, one end of which is sleeved on the vertical section where the first flange 51 is connected with the oblique section, and the other two ends of which are respectively attached to the inner two sides of the second flange 53.

Furthermore, the end cover 4 is a circular structure with two folded edges at two ends and a groove at the end surface, and the groove is in a structure with two sides in oblique transition.

Furthermore, the bearing seat 1 is provided with an O-shaped ring 9 on the end surface of the bearing 2 side.

Further, the bearing seat 1 is provided with a clamping groove 11 having a right trapezoid cross section, and the O-ring 55 is disposed in the clamping groove 11.

Further, the rotating shaft 3 is provided with a guiding section 311, the guiding section 311 is a conical section, the circumferential surface of the rotating shaft 3 is provided with a square section 32 for positioning, and the center of the rotating shaft 3 is provided with a threaded hole 32 for fastening.

Further, the material of the bearing seat 1 and the rotating shaft 3 is 42 CrMo.

Furthermore, the first seal ring 52, the second seal ring 54 and the O-ring 9 are made of NBR.

The above is the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and variations and modifications made by those skilled in the art according to the design concept of the present invention should be considered to be within the scope of the present invention.

Claims

1. A bearing device of a plowing machine comprises a bearing seat (1) and a bearing (2), and is characterized in that: the bearing seat (1) is further provided with a rotating shaft (3) and an oil seal assembly (5), the bearing (2) is sleeved on the rotating shaft (3), the rotating shaft (3) abuts against the bearing seat (1), the bearing (2) is a double-row angular contact ball bearing, and the oil seal assembly (5) is arranged on the outer side of the bearing seat (1) deviating from the bearing (2); the oil seal assembly (5) is sleeved on the check ring (6), and the check ring (6) is abutted against the bearing seat (1); the outer side of the oil seal component (5) is covered with a baffle (7), and one end of a bearing seat (1) of the bearing (2) is covered with an end cover (4).

2. The bearing assembly of a plowing machine according to claim 1 wherein: the oil seal assembly (5) comprises a first flange (51), a first sealing ring (52), a second flange (53) and a second sealing ring (54), wherein the first flange (51) and the second flange (53) are oppositely arranged and are respectively attached to the upper side and the lower side; the first retaining edge (51) is of a multi-section structure, and the second retaining edge (53) is of a frame-shaped structure; the first sealing ring (52) is respectively attached to two sides of the first retaining edge (51) and three sides of the second retaining edge (53), the second sealing ring (54) is of a V-shaped structure, one end of the second sealing ring is sleeved on the first retaining edge (51), and the other two ends of the second sealing ring are respectively attached to two inner sides of the second retaining edge (53).

3. The bearing assembly of a plowing machine according to claim 1 wherein: the end cover (4) is of a circular structure with folded edges at two ends and a groove on the end face.

4. The bearing assembly for a plow according to claim 2, wherein: the bearing seat (1) is provided with an O-shaped ring (9) on the end surface of the bearing (2).

5. The bearing assembly of a plowing machine according to claim 1 wherein: the bearing seat (1) is provided with a clamping groove (11) with a right trapezoid cross section.

6. The bearing assembly of a plowing machine according to claim 1 wherein: the rotating shaft (3) is provided with a guide section (311).

7. The bearing device of a plowing machine according to any one of claims 1 to 6, wherein: the bearing seat (1) and the rotating shaft (3) are made of 42 CrMo.

8. The bearing apparatus of a plowing machine according to claim 4, wherein: the first sealing ring (52), the second sealing ring (54) and the O-shaped ring (9) are made of NBR.