CN211117119U

CN211117119U - Transmission bearing for rotary cultivator

Info

Publication number: CN211117119U
Application number: CN201922117233.0U
Authority: CN
Inventors: 黄耿良; 林英焕
Original assignee: Xinchang Linquan Bearing Co ltd
Current assignee: Xinchang Linquan Bearing Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-28
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a drive bearing for rotary cultivator, including the bearing body, the bearing body includes bearing portion and gear portion, the periphery of bearing body is equipped with the recess ring that is used for cutting apart bearing portion and gear portion, the periphery of gear portion is equipped with the gear, the inside circumference of bearing portion is equipped with a plurality of steel balls, the periphery cover of steel ball is equipped with the holder, the dust cover is installed at both ends about the bearing portion, the inside of dust cover is equipped with the sealing washer. The utility model discloses with sprocket and bearing integrated design, structural rigidity is good, and life is longer.

Description

Transmission bearing for rotary cultivator

Technical Field

The utility model belongs to the technical field of drive bearing technique and specifically relates to a drive bearing for rotary cultivator is related to.

Background

As shown in fig. 4, a transmission bearing of a rotary cultivator in the prior art is composed of a chain wheel 12, a bearing 13 and a mounting plate 16, and has more parts and inconvenient installation, the bearing 13 is fixed on the chain wheel 12 through a clamp spring 15, the bearing 13 is not supported enough in structure, and the stability is poor; the outer ring of the bearing 13 is provided with a clamp spring 15, a baffle plate 14 and an installation plate 16 are respectively arranged on two sides of the clamp spring 15 on the outer ring of the bearing 13, and a bolt 17 penetrates through the baffle plate 14 and is screwed into the installation plate 16, so that the structure is not firm, the working clearance of the bearing 13 is poor, the bearing 13 is blocked, and the bearing failure is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a drive bearing for rotary cultivator, with sprocket and bearing integrated design, structural rigidity is good, and life is longer.

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

the utility model provides a drive bearing for rotary cultivator, includes the bearing body, the bearing body includes inner circle and outer lane, the inner circle includes bearing portion and gear portion, the periphery of inner circle is equipped with the recess ring that is used for cutting apart bearing portion and gear portion, the periphery of gear portion is equipped with the gear, be equipped with a plurality of steel balls between inner circle and the outer lane, the periphery cover of steel ball is equipped with the holder, the dust cover is installed at both ends about the bearing portion, the inside rigid coupling of dust cover has the sealing washer.

Two groups of steel balls are arranged in parallel.

The inner part of the outer ring is provided with a positioning groove for fixing a dust cover, the positioning groove is located on the outer side of the steel ball, the dust cover comprises a bending part and an arc part, the bending part is clamped in the positioning groove and fixed, the arc part is attached to the sealing ring, and the inner side of the sealing ring is attached to the inner ring.

The below of outer lane is equipped with the mounting bracket, mounting bracket and outer lane integrated into one piece, the lower part of mounting bracket is equipped with the round hole that is used for fixed mounting bracket.

The utility model has the advantages that: 1. the gear and the bearing inner ring are designed into an integrated structure, so that the condition of poor matching in the original separated structure of the bearing and the chain wheel shaft is avoided, the rigidity of the structure is better, and the service life is longer; 2. the mounting frame and the bearing outer ring are designed into an integrated structure, so that the bearing has better stability.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlargement of FIG. 1 at A;

fig. 4 is a cross-sectional view of a transmission bearing of a rotary cultivator in the prior art.

In the figure: the bearing comprises a bearing body 1, a gear part 101, a bearing part 102, a gear 2, a groove ring 3, a sealing ring 4, steel balls 5, a retainer 6, a mounting frame 7, a round hole 701, a dust cover 8, a bent part 801, an arc part 802, a positioning groove 9, an inner ring 10, an outer ring 11, a sprocket 12, a bearing 13, a baffle 14, a clamp spring 15, a mounting plate 16 and a bolt 17.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 3, a transmission bearing for a rotary cultivator comprises a bearing body 1, wherein the bearing body 1 comprises an inner ring 10 and an outer ring 11, the inner ring 10 comprises a bearing portion 102 and a gear portion 101, a groove ring 3 for dividing the bearing portion 102 and the gear portion 101 is arranged on the periphery of the inner ring 10, a gear 2 is arranged on the periphery of the gear portion 101, a plurality of steel balls 5 are arranged between the inner ring 10 and the outer ring 11, a retainer 6 is sleeved on the periphery of the steel balls 5, dust covers 8 are mounted at the left end and the right end of the bearing portion 102, a seal ring 4 is fixedly connected inside the dust covers 8, a transmission shaft is inserted into the inner ring 10, the cross section of the transmission shaft is hexagonal, a hexagonal hole which is the same as the cross section of the transmission shaft is arranged inside the inner ring 10, the inner ring 10 can be, when the inner ring 10 rotates, the gear part 101 arranged on the inner ring 10 can also rotate at the same time, gear transmission of a subsequent device is realized, the gear and the bearing are designed into an integrated structure, the condition that the bearing and the chain wheel shaft are not well matched in the original structure is avoided, the rigidity of the structure is better, and the service life is longer.

Two groups of steel balls 5 are arranged in parallel.

The inside of outer lane 11 is equipped with constant head tank 9 that is used for fixed dust cover 8, constant head tank 9 is located the outside of steel ball 5, dust cover 8 includes kink 801 and arc portion 802, kink 801 card is at constant head tank 9 internal fixation, arc portion 802 laminating sealing washer 4, the inboard laminating inner circle 10 of sealing washer 4, dust cover 8 and sealing washer 4 set up the inside of having played fine dustproof effect to the bearing.

The below of outer lane 11 is equipped with mounting bracket 7, mounting bracket 7 and outer lane 11 integrated into one piece, the lower part of mounting bracket 7 is equipped with the round hole 701 that is used for fixed mounting bracket 7, designs into integral structure with mounting bracket 7 and bearing portion 102, makes the stability of bearing better.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a drive bearing for rotary cultivator, includes bearing body (1), its characterized in that: bearing body (1) includes inner circle (10) and outer lane (11), inner circle (10) are including bearing portion (102) and gear portion (101), the periphery of inner circle (10) is equipped with groove ring (3) that are used for cutting apart bearing portion (102) and gear portion (101), the periphery of gear portion (101) is equipped with gear (2), be equipped with a plurality of steel balls (5) between inner circle (10) and outer lane (11), the periphery cover of steel ball (5) is equipped with holder (6), dust cover (8) are installed at both ends about bearing portion (102), the inside rigid coupling of dust cover (8) has sealing washer (4).

2. The drive bearing for a rotary cultivator as claimed in claim 1, wherein: two groups of steel balls (5) are arranged in parallel.

3. The drive bearing for a rotary cultivator as claimed in claim 1, wherein: the utility model discloses a steel ball dust cover, including outer lane (11), constant head tank (9) that are used for fixed dust cover (8) are equipped with in the inside of outer lane (11), constant head tank (9) are located the outside of steel ball (5), dust cover (8) are including kink (801) and arc portion (802), kink (801) card is at constant head tank (9) internal fixation, arc portion (802) laminating sealing washer (4), inboard laminating inner circle (10) of sealing washer (4).

4. The drive bearing for a rotary cultivator as claimed in claim 1, wherein: the utility model discloses a safety protection device for automobile, including outer lane (11), the below of outer lane (11) is equipped with mounting bracket (7), mounting bracket (7) and outer lane (11) integrated into one piece, the lower part of mounting bracket (7) is equipped with round hole (701) that are used for fixed mounting bracket (7).