CN217056273U

CN217056273U - Bearing lubricating structure for output end of rotary speed reducer

Info

Publication number: CN217056273U
Application number: CN202220977800.9U
Authority: CN
Inventors: 潘金成; 杜伟; 赵金哲; 徐光�; 魏静
Original assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Current assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-26
Anticipated expiration: 2032-04-26

Abstract

The utility model provides a rotary reducer output bearing lubricating structure, belongs to rotary reducer output bearing lubricating structure technical field. Because the limit of installation space and the factor of operational environment if the bearing under output need to be filled with lubricating grease in this structure, just need follow the bottom end of equipment and dismantle the end cover to face up in comparatively narrow and small, high altitude exposure space and operate, lubricated maintenance has certain difficulty and inconvenient nature. The utility model discloses a bearing room and output cover under flange, output upper bearing room, output shaft box, the output, be equipped with the oil circuit that feeds through in proper order in flange, output upper bearing room outer wall and the output lower bearing room outer wall, the last opening that is linked together with the oil circuit that is equipped with of flange, the output covers the oil groove of the bearing of bearing room under the upper surface is equipped with the interior oil circuit of intercommunication output lower bearing room and output thoroughly. The lubricating grease of the output lower bearing is filled from the output upper bearing chamber, so that the lubricating grease filling machine is more convenient, higher in efficiency, smaller in potential safety hazard and greatly improved in production efficiency.

Description

Bearing lubricating structure for output end of rotary speed reducer

Technical Field

The utility model provides a rotary speed reducer output bearing lubricating structure, belongs to rotary speed reducer output bearing lubricating structure technical field.

Background

The rotation speed reducer is a driving device used on a port door machine, and the planetary speed reducer drives the output spline shaft so as to drive the rotation mechanism of the door machine through the output pinion to realize the rotation of the suspension arm of the door machine.

In the rotary speed reducer, the lubrication of the output upper bearing is performed directly by the gear lubricating oil in the planetary speed reducer, and it is reasonable that the output lower bearing is lubricated by the grease. However, due to the limitation of installation space and the factors of working environment, if lubricating grease needs to be poured into the output lower bearing in the structure, the end cover needs to be detached from the lowest end of the device, and the operation is performed on the upside down in a narrow space exposed at high altitude, so that certain difficulty and inconvenience exist in lubrication maintenance.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the defects in the prior art are overcome, and the output end bearing lubricating structure of the rotary speed reducer, which is convenient for the output end bearing of the rotary speed reducer to be filled with lubricating grease, is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a rotary reducer output end bearing lubricating structure, includes that flange, output upper bearing room, output shaft box, output lower bearing room and output pass through the lid to top-down connects gradually its characterized in that: oil passages which are sequentially communicated are arranged in the connecting flange, the outer wall of the output upper bearing chamber and the outer wall of the output lower bearing chamber, an opening communicated with the oil passages is formed in the connecting flange, and oil grooves communicated with the oil passages in the output lower bearing chamber and the bearing of the output lower bearing chamber are formed in the upper surface of the output through cover.

The output shaft penetrates through the connecting flange and the output upper bearing chamber, then penetrates through the output shaft box body, and then penetrates through the output lower bearing chamber.

Lubricating grease is filled into the oil way through an oil way opening in the connecting flange, sequentially passes through the connecting flange, the outer wall of the upper output bearing chamber and the outer wall of the lower output bearing chamber along the oil way to enter an oil groove, and then enters the bearing of the lower output bearing through the oil groove to lubricate the lower output bearing.

The lubricating grease of the output lower bearing is filled from the output upper bearing chamber, the output transparent cover does not need to be detached from the bottom of the rotary speed reducer, the filling process is more convenient, the efficiency is higher, the potential safety hazard is smaller, and the production efficiency is greatly improved.

Preferably, the output shaft box body is internally provided with a connecting pipe, and oil passages in the output upper bearing chamber and the output lower bearing chamber are communicated with each other through the connecting pipe.

The diameter of the connection pipe is more preferably a steel pipe having a diameter of 10 mm.

Utilize the cavity between output shaft box and the output shaft to set up the connecting pipe, utilize inner space, fully protect the connecting pipe simultaneously.

Preferably, the oil way in the connecting flange is radially arranged along the connecting flange, a vertical oil injection nozzle is further arranged in the connecting flange, and the lower end of the oil injection nozzle is communicated with the oil way in the connecting flange.

The vertical oil injection nozzle with the upward opening is arranged, so that lubricating grease can be more conveniently filled into the oil path from the upper side, and the use is more convenient.

Preferably, the oil path in the outer wall of the output upper bearing chamber is vertically arranged, the upper end of the oil path is communicated with the oil path in the connecting flange, and the lower end of the oil path is communicated with the oil path in the outer wall of the output lower bearing chamber. The lubricating grease can flow downwards conveniently.

Preferably, the oil passage in the outer wall of the output lower bearing chamber is vertically arranged, the upper end of the oil passage is communicated with the oil passage in the outer wall of the output upper bearing chamber, and the lower end of the oil passage is communicated with the oil groove.

Preferably, an overflow hole is further arranged in the outer wall of the output lower bearing chamber, one section of the overflow hole is communicated with an oil way in the outer wall of the output lower bearing chamber, and the other end of the overflow hole is communicated with the outside of the output lower bearing chamber.

The overflow hole is used for monitoring the condition that lubricating grease fills in the bearing of bearing room under the output, and too much lubricating grease will follow the downthehole outflow of overflow, also makes things convenient for lubricating grease to pour into bearing room under the output simultaneously.

Further preferably, the other end of the overflow hole is higher than the top of the bearing of the output lower bearing chamber.

When the grease starts to flow out from the overflow hole, it can be indicated that the grease in the lower bearing chamber reaches the standard for lubricating the bearing in the lower bearing chamber.

Preferably, the oil groove comprises an annular groove, and the annular groove is arranged at the bottom of the bearing of the output lower bearing chamber. The bearing of the bearing chamber is lubricated under the whole output through the oil groove, and the filling effect is more uniform.

Preferably, the top of the bearing of the output lower bearing chamber is provided with a sealing ring. The lubricating grease is prevented from entering the box body of the output shaft, and the position of the lubricating grease is limited.

Compared with the prior art, the utility model discloses the beneficial effect who has is: lubricating grease is filled into the bearing from the oil way of the upper output bearing and enters the bearing of the lower output bearing chamber through oil way diversion, so that the lower output bearing is lubricated without disassembling an end cover or a transparent cover at the lower part of the rotary speed reducer, the use is convenient, the production efficiency and the safety factor are greatly improved, and the lubricating grease can be installed and applied in the existing product, is easy to popularize and implement and has low implementation cost.

Drawings

Fig. 1 is a sectional view of a bearing lubrication structure at the output end of a rotary speed reducer.

FIG. 2 is an enlarged cross-sectional view of the upper output bearing chamber, the output shaft housing, and the lower output bearing chamber.

Fig. 3 is a top view of the output transparent cover.

Wherein, 1, the reducer driving part; 2. a connecting flange; 3. an output upper bearing chamber; 4. an output shaft box body; 5. an output lower bearing chamber; 6. a seal ring; 7. an output lower bearing; 8. an output transparent cover; 9. an oil injection nozzle; 10. a flange oil way; 11. a first-stage connecting pipe; 12. an upper bearing oil path; 13. a secondary connecting pipe; 14. a lower bearing oil path; 15. an overflow aperture; 16. an oil sump; 17. and an oil discharge way.

Detailed Description

The present invention will be further described with reference to the accompanying drawings 1-3.

Referring to the attached figures 1-3: the utility model provides a rotary reducer output end bearing lubricating structure, sets up in speed reducer drive division 1 below, including flange 2, output upper bearing room 3, output shaft box 4, output lower bearing room 5, sealing ring 6, output lower bearing 7 and output pass through lid 8. The output shaft sequentially passes through the connecting flange 2, the output upper bearing chamber 3, the output shaft box body 4, the output lower bearing chamber 5 and the output transparent cover 8.

Be equipped with flange oil circuit 10 in the flange 2, be equipped with upper bearing oil circuit 12 in the output upper bearing room 3 outer wall, be equipped with lower bearing oil circuit 14 and overflow hole 15 in the output lower bearing 7, flange oil circuit 10 radially sets up along flange 2, one end is equipped with the fabrication hole, the vertical glib talker 9 that is equipped with intercommunication flange oil circuit 10 simultaneously, the other end passes through the upper end that one-level connecting pipe 11 feeds through to upper bearing oil circuit 12, one-level connecting pipe 11 sets up between the box outer wall and the output shaft between flange 2 and the output upper bearing room 3.

The upper bearing oil path 12 vertically penetrates through the outer wall of the output upper bearing chamber 3, the lower end of the upper bearing oil path is communicated with the upper end of the lower bearing oil path 14 through a second-stage connecting pipe 13, and the second-stage connecting pipe 13 is arranged between the output shaft box body 4 and the output shaft.

The lower bearing oil path 14 vertically penetrates through the outer wall of the output lower bearing chamber 5, the overflow hole 15 is radially arranged along the output lower bearing chamber 5 and communicated with the lower bearing oil path 14, and the horizontal height of the overflow hole 15 is higher than the upper edge of the output lower bearing 7. The lower end of the lower bearing oil passage 14 communicates with an oil groove 16.

The oil groove 16 is arranged on the upper surface of the output transparent cover 8 and is communicated with the lower end of the lower bearing oil path 14 and the bottom of the output lower bearing 7, and the oil groove 16 comprises an annular groove which is arranged below the output lower bearing 7. Meanwhile, the top of the lower output bearing 7 is provided with a sealing ring 6, and the sealing ring 6 seals the upper part of the lower output bearing 7.

An oil drain way 17 is further arranged in the output transparent cover 8, and the oil drain way 17 is arranged below the oil groove 16, is communicated with the oil groove 16 and is communicated with the outer wall of the output transparent cover 8.

The first-stage connecting pipe 11 and the second-stage connecting pipe 13 are both made of steel pipes with the pipe diameter of 10mm, the flange oil way 10, the upper bearing oil way 12 and the lower bearing oil way 14 are made of steel pipes with the hole diameter of 11mm, and the hole diameter of the oil drainage oil way 17 is smaller than the width of an annular groove of the oil groove 16.

Lubricating grease is filled into the flange oil path 10 from the oil nozzle 9, the lubricating grease flows to the first-stage connecting pipe 11 along the flange oil path 10, flows into the output lower bearing 7 through the upper bearing oil path 12, the second-stage connecting pipe 13, the lower bearing oil path 14 and the oil groove 16 in sequence, the output lower bearing 7 is lubricated, and when the output lower bearing 7 is full of the lubricating grease, the redundant lubricating grease overflows through the overflow hole 15, and the lubrication is stopped in time. After the lubricating grease is filled, the openings of the oil filling hole 9, the overflow hole 15 and the oil drain way 17 are plugged by using screw plugs, and the filling of the lubricating grease is completed. For the first time of filling lubricating grease, under the condition that a large amount of air exists in the secondary connecting pipe 11, the oil discharging oil way 17 can be opened in the filling process, and the filling of the lubricating grease can be accelerated.

The filling of lubricating grease only needs to open the oil filling nozzle 9, the output transparent cover 8 or the bottom structure does not need to be detached, the operation space is extended, the use is convenient, the potential safety hazard is small, the filling efficiency is high, the filling condition can be timely mastered, lubricating grease can be discharged, the complete replacement of the lubricating grease is realized, and the service life of the rotary speed reducer is prolonged.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a rotary speed reducer output bearing lubricating structure, includes that flange (2), output upper bearing room (3), output shaft box (4), output lower bearing room (5) and output pass through lid (8) to top-down connects gradually, its characterized in that: oil paths which are sequentially communicated are arranged in the outer walls of the connecting flange (2), the upper output bearing chamber (3) and the lower output bearing chamber (5), an opening communicated with the oil paths is formed in the connecting flange (2), and oil grooves (16) communicated with the oil paths in the lower output bearing chamber (5) and bearings of the lower output bearing chamber (5) are formed in the upper surface of the transparent output cover (8).

2. The rotary reduction gear output end bearing lubricating structure according to claim 1, characterized in that: and a connecting pipe is arranged in the output shaft box body (4), and oil ways in the output upper bearing chamber (3) and the output lower bearing chamber (5) are communicated with each other through the connecting pipe.

3. The rotary reducer output bearing lubrication structure according to claim 1, characterized in that: the oil way in the connecting flange (2) is radially arranged along the connecting flange (2), a vertical oil injection nozzle (9) is further arranged in the connecting flange (2), and the lower end of the oil injection nozzle (9) is communicated with the oil way in the connecting flange (2).

4. The rotary reducer output bearing lubrication structure according to claim 1, characterized in that: the oil way in the outer wall of the output upper bearing chamber (3) is vertically arranged, the upper end of the output upper bearing chamber is communicated with the oil way in the connecting flange (2), and the lower end of the output upper bearing chamber is communicated with the oil way in the outer wall of the output lower bearing chamber (5).

5. The rotary reduction gear output end bearing lubricating structure according to claim 1, characterized in that: the oil circuit in the outer wall of the output lower bearing chamber (5) is vertically arranged, the upper end of the oil circuit is communicated with the oil circuit in the outer wall of the output upper bearing chamber (3), and the lower end of the oil circuit is communicated with the oil groove (16).

6. The rotary reduction gear output end bearing lubricating structure according to claim 1 or 5, characterized in that: an overflow hole (15) is further arranged in the outer wall of the output lower bearing chamber (5), one section of the overflow hole (15) is communicated with an oil way in the outer wall of the output lower bearing chamber (5), and the other end of the overflow hole is communicated to the outside of the output lower bearing chamber (5).

7. The rotary reducer output bearing lubrication structure according to claim 6, characterized in that: the other end of the overflow hole (15) is higher than the top of the bearing of the output lower bearing chamber (5).

8. The rotary reduction gear output end bearing lubricating structure according to claim 1, characterized in that: the oil groove (16) comprises an annular groove which is arranged at the bottom of the bearing of the output lower bearing chamber (5).

9. The rotary reduction gear output end bearing lubricating structure according to claim 1, characterized in that: and a sealing ring (6) is arranged at the top of the bearing of the output lower bearing chamber (5).