CN210800001U

CN210800001U - Gear lubricating structure

Info

Publication number: CN210800001U
Application number: CN201920956110.3U
Authority: CN
Inventors: 闫柯; 朱晨; 朱洪亮
Original assignee: Yancheng Sanchuan Bearing Manufacturing Co ltd
Current assignee: Yancheng Sanchuan Bearing Manufacturing Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-19
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a gear lubricating structure, include: the gear comprises a gear body, a shaft hole formed in the middle of the gear body and a plurality of gear teeth uniformly arranged on the outer side of the gear body, wherein annular grooves are symmetrically formed in two sides of the gear body, a bearing inner ring is arranged in one of the annular grooves, bearing outer rings are arranged on the inner side and the outer side of the bearing inner ring respectively through rolling balls, the bearing outer rings are fixedly arranged on the gear body, an oil filling nozzle is arranged at the upper end, far away from the gear body, of one side of the bearing inner ring, an oil filling channel is arranged in the oil filling nozzle, an annular oil filling cavity is formed in the other side, close to the gear body, of the bearing inner ring, a connecting channel is arranged inside the upper end of the bearing inner ring, and one end of the connecting channel is communicated.

Description

Gear lubricating structure

Technical Field

The utility model relates to a gear especially relates to a gear lubricating structure.

Background

The gear is one of important drive mechanism, and it has the characteristics that transmission power range is big, transmission efficiency is high, can transmit motion and the power between the diaxon wantonly, and the gear generally includes: the gear body, set up the shaft hole in gear body middle part and evenly set up a plurality of teeth of a cogwheel in the gear body outside. The existing gears mainly have the following disadvantages: firstly, two sides of the gear adopt solid structures, so that the weight is large, and the production and transportation cost is high; secondly, a lubricating structure cannot be added in the gear due to high-speed rotation in the working process, the gear can only be subjected to external spray lubrication through a spraying device, and the spraying device is large in occupied area, uneven in spraying and poor in lubricating effect; and thirdly, some enterprises also set lubricating holes in the gears for lubrication, but because the equipment rotates along with the gears, the lubricating oil can be conveyed and lubricated only in a stop state regularly, and online lubrication cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provided is a gear lubricating structure capable of realizing online lubrication.

In order to solve the technical problem, the utility model discloses a technical scheme is: a gear lubrication structure comprising: the gear comprises a gear body, a shaft hole arranged in the middle of the gear body and a plurality of gear teeth uniformly arranged on the outer side of the gear body, wherein annular grooves are symmetrically arranged on two sides of the gear body, a bearing inner ring is arranged in one of the annular grooves, bearing outer rings are respectively arranged on the inner side and the outer side of the bearing inner ring in a rolling manner through balls and are fixedly arranged on the gear body, an oil filling nozzle is arranged at the upper end of one side, away from the gear body, of the bearing inner ring and is fixedly connected with a gear box body, an oil filling channel is arranged in the oil filling nozzle, an annular oil filling cavity is arranged on the other side, close to the gear body, of the bearing inner ring, a connecting channel is arranged in the upper end of the bearing inner ring, one end of the connecting channel is communicated with the oil filling channel, the gear comprises a gear body and is characterized in that a plurality of T-shaped lubricating channels which are in one-to-one correspondence with gear teeth are uniformly arranged in the gear body, the gear teeth are respectively provided with the gear teeth lubricating channels, one end of the head of each T-shaped lubricating channel is communicated with a shaft hole, the other end of the head of each T-shaped lubricating channel is communicated with the gear teeth lubricating channels, and the tail of each T-shaped lubricating channel is communicated with an annular oil injection cavity. In order to better solve the technical problem, the utility model discloses a further technical scheme is: an inner sealing ring gasket is arranged between the gear body and the bearing inner ring on the inner side of the annular oil injection cavity, and an outer sealing ring gasket is arranged between the gear body and the bearing inner ring on the outer side of the annular oil injection cavity.

The utility model has the advantages that: above-mentioned gear lubricating structure, compact structure, set up the weight that the annular groove can alleviate the gear greatly in gear body both sides, reduction in production and cost of transportation, utilize the gear body to drive the bearing inner race simultaneously and rotate on the bearing inner race through the ball, and bearing inner race and fuel sprayer and gear box body rigid coupling, realize that the high-speed rotatory in-process of gear does not interfere the fuel sprayer and lasts the fuel feeding, can realize online lubrication, lubricating oil is from inside by inside toward outside comprehensive lubrication, it is lubricated effectual.

Drawings

Fig. 1 is the sectional structure schematic diagram of the gear lubricating structure of the present invention.

Fig. 2 is a schematic sectional structure view of a-a in fig. 1.

In the figure: 1. the gear comprises a gear body, 2, shaft holes, 3, gear teeth, 4, an annular groove, 5, a bearing inner ring, 6, balls, 7, a bearing outer ring, 8, an oil filling nozzle, 9, a gear box body, 10, an oil filling channel, 11, an annular oil filling cavity, 12, a connecting channel, 13, a T-shaped lubricating channel, 131, a head part, 132, a tail part, 14, a gear tooth lubricating channel, 15, an inner sealing ring gasket, 16 and an outer sealing ring gasket.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the gear lubrication structure includes: the gear comprises a gear body 1, a shaft hole 2 arranged in the middle of the gear body 1 and a plurality of gear teeth 3 uniformly arranged on the outer side of the gear body 1, wherein annular grooves 4 are symmetrically arranged on two sides of the gear body 1, a bearing inner ring 5 is arranged in one of the annular grooves 4, bearing outer rings 7 are respectively arranged on the inner side and the outer side of the bearing inner ring 5 in a rolling manner through balls 6, the bearing outer rings 7 are fixedly arranged on the gear body 1, an oil filling nozzle 8 is arranged at the upper end of one side, away from the gear body 1, of the bearing inner ring 5, the oil filling nozzle 8 is fixedly connected with a gear box body 9, an oil filling channel 10 is arranged in the oil filling nozzle 8, an annular oil filling cavity 11 is arranged on the other side, close to the gear body 1, of the bearing inner ring 5, a connecting channel 12 is arranged inside the upper end of the bearing, the other end of the connecting channel 12 is communicated with the annular oil injection cavity 11, a plurality of T-shaped lubricating channels 13 which are in one-to-one correspondence with the gear teeth 3 are evenly arranged in the gear body 1, the gear teeth 3 are internally provided with gear teeth lubricating channels 14 respectively, one end of the head 131 of each T-shaped lubricating channel 13 is communicated with the shaft hole 2, the other end of the head 131 of each T-shaped lubricating channel 13 is communicated with the gear teeth lubricating channels 14, and the tail 132 of each T-shaped lubricating channel 13 is communicated with the annular oil injection cavity 10.

As shown in fig. 1 and 2, in this example, an inner seal ring pad 15 is disposed between the gear body 1 and the bearing inner ring 5 inside the annular oil injection cavity 11, and an outer seal ring pad 16 is disposed between the gear body 1 and the bearing inner ring 5 outside the annular oil injection cavity 11.

When the gear lubricating structure is used, the oil filling nozzle 8 is connected with an oil pump, the shaft hole 2 of the gear body 1 is connected with a transmission shaft, the transmission shaft drives the gear body 1 and the gear teeth 3 to rotate at a high speed, the oil filling nozzle 8 is fixed on the gear box body 9, the oil filling nozzle 8 is fixedly connected with the bearing inner ring 5, the gear body 1 drives the bearing outer ring 7 to rotate at a high speed on the bearing inner ring 5 through the balls 6, at the moment, the oil filling nozzle 8 cannot rotate at a high speed along with the gear body 1, the oil pump can add lubricating oil to the gear body 1 for lubricating and cooling in the working process of the gear body, the lubricating oil enters from the oil filling channel 10 and sequentially passes through the connecting channel 12, the annular oil filling cavity 11, the tails 132 of the T-shaped lubricating channels 13, the heads 131 of the T-shaped lubricating channels 13 and the gear teeth lubricating channels 14, and the lubricating oil in the, the lubricating oil of the gear tooth lubricating passage 14 can lubricate and cool each gear tooth 3.

Claims

1. A gear lubrication structure comprising: gear body (1), set up in shaft hole (2) in gear body (1) middle part and evenly set up a plurality of teeth of a cogwheel (3) in gear body (1) outside, its characterized in that: the gear comprises a gear body (1), annular grooves (4) are symmetrically arranged on two sides of the gear body (1), a bearing inner ring (5) is arranged in one of the annular grooves (4), bearing outer rings (7) are respectively arranged on the inner side and the outer side of the bearing inner ring (5) in a rolling manner through balls (6), the bearing outer rings (7) are fixedly arranged on the gear body (1), an oil filling nozzle (8) is arranged at the upper end of one side, away from the gear body (1), of the bearing inner ring (5), the oil filling nozzle (8) is fixedly connected with a gear box body (9), an oil filling channel (10) is arranged in the oil filling nozzle (8), an annular oil filling cavity (11) is arranged on the other side, close to the gear body (1), of the bearing inner ring (5), a connecting channel (12) is arranged in the upper end of the bearing inner ring (5), and one end of the connecting channel (12), the other end and the annular oil injection cavity (11) of connect channel (12) communicate each other evenly be provided with a plurality of T style of calligraphy lubrication channel (13) with teeth of a cogwheel (3) one-to-one in gear body (1) be provided with teeth of a cogwheel lubrication channel (14) in teeth of a cogwheel (3) respectively, head (131) one end and shaft hole (2) of T style of calligraphy lubrication channel (13) communicate each other, the head (131) other end and the teeth of a cogwheel lubrication channel (14) of T style of calligraphy lubrication channel (13) communicate each other, oil injection cavity (11) communicate each other is annotated with the annular in afterbody (132) of T style of calligraphy lubrication channel (13).

2. The gear lubrication structure according to claim 1, wherein: an inner sealing ring gasket (15) is arranged between the gear body (1) and the bearing inner ring (5) on the inner side of the annular oil injection cavity (11), and an outer sealing ring gasket (16) is arranged between the gear body (1) and the bearing inner ring (5) on the outer side of the annular oil injection cavity (11).