CN212338116U

CN212338116U - Speed reducer sealing structure

Info

Publication number: CN212338116U
Application number: CN202020850157.4U
Authority: CN
Inventors: 孙玉龙; 赵帅; 郝春阳
Original assignee: TIANJIN XIANGWEI TRANSMISSION Ltd
Current assignee: TIANJIN XIANGWEI TRANSMISSION Ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-12
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to a speed reducer seal structure, belong to speed reducer technical field, the oil retainer ring is all the suit on the speed reducer output shaft with passing through the lid, be provided with the packing ring between passing through lid and the tapered roller bearing, a plurality of skeleton oil blanket encapsulation dress is on the speed reducer output shaft, the skeleton oil blanket is located inside passing through the lid, pass through inside ventilative passageway and the oil passageway of being provided with of lid, ventilative passageway one end sets up at passing through lid lateral wall and atmosphere intercommunication, the bleeder vent intercommunication on the ventilative passageway other end and the spacing retaining ring lateral wall, pass oil passageway one end and pass the oilhole intercommunication, it extends to pass through the oil passageway other end and cover the lateral wall to pass through, connect the oil drum and. The utility model discloses spacing retaining ring is connected to outside through the oil leak passageway and connects the oil drum, and after the oil leak condition takes place, whether oil leak and degree of wear are judged through observing whether there is machine oil or how much that exists machine oil in connecing the oil drum in the machine oil can be received through the oil passageway entering to machine oil, and then learn the maintenance and change sealed time.

Description

Speed reducer sealing structure

Technical Field

The utility model relates to a speed reducer technical field especially relates to a speed reducer seal structure.

Background

The box body of the speed reducer is filled with engine oil for reducing friction between rotating parts, and in order to prevent the engine oil from leaking outwards along the output shaft, a sealing part, such as a sealing sleeve, a sealing ring and the like, is arranged between the box body and the output shaft, and the sealing part is abraded when the output shaft rotates, so that the sealing performance is reduced, and oil leakage is caused.

The existing speed reducer sealing mechanism adopts multilayer sealing, and the sealing needs to be replaced after internal engine oil leaks, so that the advance prediction cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, and then provide a speed reducer seal structure.

The utility model adopts the technical scheme that:

a speed reducer sealing structure comprising: an oil retainer ring, a gasket, a transparent cover, a framework oil seal, a limit retainer ring and an oil receiving barrel,

the oil retainer ring and the through cover are sleeved on an output shaft of the speed reducer, the oil retainer ring is located in the tapered roller bearing and is measured, the through cover is located on the outer side of the tapered roller bearing, a gasket is arranged between the through cover and the tapered roller bearing, a plurality of framework oil seals are sleeved on the output shaft of the speed reducer, the framework oil seals are located inside the through cover, a limiting check ring is arranged between adjacent framework oil seals, air holes and oil passing holes are formed in the side wall of the limiting check ring, a ventilation channel and an oil passing channel are arranged inside the through cover, one end of the ventilation channel is arranged on the side wall of the through cover and communicated with the atmosphere, the other end of the ventilation channel is communicated with the air holes in the side wall of the limiting check ring, one end of the oil passing channel is communicated with the oil passing holes, the other end of the oil passing channel.

Furthermore, one end of the ventilation channel is connected with a drying device for preventing water vapor in the air from entering.

Further, it is transparent plastics material to connect the oil drum.

Further, connect to be provided with the air vent line on the oil drum lateral wall, install drying device on the air vent line.

Further, the drying device includes: the drying device comprises a drying shell, a drying agent layer and an external threaded pipe, wherein the drying agent layer is arranged inside the drying shell, the external threaded pipe is arranged at the lower end of the drying shell, the other end of the external threaded pipe is connected with a ventilation pipeline or a ventilation channel, and an air inlet is formed in the upper end face of the drying shell.

The utility model discloses following beneficial effect has to prior art:

the utility model discloses a be provided with spacing retaining ring between a plurality of skeleton oil seals, spacing retaining ring is connected to outside oil receiving barrel through oil leak passageway, and after the oil leak condition takes place, whether machine oil can pass through the oil passageway entering and connect the oil drum, through the observation connect whether exist machine oil in the oil drum or exist how much of machine oil judge whether oil leak and degree of wear, and then learn the maintenance change sealed time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the drying device of the present invention;

FIG. 3 is a schematic view of the structure of the oil receiving barrel of the present invention;

in the figure, 1-oil retainer, 2-gasket, 3-penetrating cover, 4-skeleton oil seal, 5-limit retainer ring, 6-oil receiving barrel, 7-reducer output shaft, 8-air hole, 9-oil passing hole, 10-air passing channel, 11-oil passing channel, 12-drying device, 121-drying shell, 122-drying agent layer and 123-external threaded pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present invention will be described in detail with reference to the accompanying drawings.

First embodiment, as described with reference to fig. 1 to 3, a speed reducer sealing structure includes: an oil retainer ring 1, a gasket 2, a transparent cover 3, a framework oil seal 4, a limit retainer ring 5 and an oil receiving barrel 6,

the oil retainer ring 1 and the through cover 3 are both sleeved on an output shaft 7 of the speed reducer, the oil retainer ring 1 is positioned on the inner side of the tapered roller bearing, the through cover 3 is positioned on the outer side of the tapered roller bearing, a gasket 2 is arranged between the through cover 3 and the tapered roller bearing, a plurality of framework oil seals 4 are sleeved on the output shaft 7 of the speed reducer, the framework oil seals 4 are positioned inside the through cover 3, a limiting retainer ring 5 is arranged between adjacent framework oil seals 4, the side wall of the limiting retainer ring 5 is provided with air holes 8 and oil through holes 9, a ventilation channel 10 and an oil through channel 11 are arranged inside the through cover 3, one end of the ventilation channel 10 is arranged on the side wall of the through cover 3 and communicated with the atmosphere, the other end of the ventilation channel 10 is communicated with the air holes 8 on the side wall of the limiting retainer ring 5, one end of the oil through channel 11 is communicated with the oil through holes 9, the other end of, the oil passage 11 is located below.

One end of the air-permeable passage 10 is connected with a drying device 12 for preventing water vapor in the air from entering.

The oil receiving barrel 6 is made of transparent plastic. Be provided with vent line 13 on the lateral wall of oil receiving bucket 6, last drying device 12 of installing of vent line 13.

The drying device 12 includes: drying casing 121, drier layer 122 and external screw thread pipe 123, inside drier layer 122 that is provided with of drying casing 121, drying casing 121 lower extreme is provided with external screw thread pipe 123, external screw thread pipe 123 other end connection vent line 13 or ventilative passageway 10, drying casing 121 up end is provided with the inlet port, so set up, realize sealedly through oil retainer ring 1 and a plurality of skeleton oil blanket 4, spacing retaining ring 5 is connected to outside oil receiving bucket 6 through crossing oil passageway 11, after the oil leak condition takes place, machine oil can be through crossing oil passageway 11 entering and connect in the oil receiving bucket 6, through the observation whether exist machine oil in the oil receiving bucket 6 or how much judgement whether oil leak and the degree of wear of machine oil exist, and then learn the maintenance and change sealed time.

In the second embodiment, on the basis of the first embodiment, referring to fig. 1 to 3, one end of the ventilation channel 10 is connected with a drying device 12 for preventing water vapor in the air from entering, so that the ventilation channel 10 can rapidly guide leaked engine oil into the oil receiving barrel 6 through the oil passing channel 11, the observation is convenient, and the drying device 12 prevents water vapor in the air from entering the speed reducer.

In a third embodiment, the description is given by referring to fig. 1 to 3 on the basis of the second embodiment, and the oil receiving barrel 6 is made of transparent plastic material, so that the condition in the barrel can be observed conveniently.

In the fourth embodiment, based on the third embodiment, with reference to fig. 1 to 3, an air vent 13 is disposed on the sidewall of the oil receiving barrel 6, and a drying device 12 is mounted on the air vent 13, so that water vapor in the air is prevented from entering the speed reducer through the oil passage 11.

In a fifth embodiment, the drying device 12 is described with reference to fig. 1 to 3 on the basis of the fourth embodiment, and includes: the drying device comprises a drying shell 121, a drying agent layer 122 and an external threaded pipe 123, wherein the drying agent layer 122 is arranged inside the drying shell 121, the external threaded pipe 123 is arranged at the lower end of the drying shell 121, the other end of the external threaded pipe 123 is connected with a ventilation pipeline 13 or a ventilation channel 10, an air inlet hole is formed in the upper end face of the drying shell 121, and the drying agent layer 122 is formed by wrapping non-woven fabrics and is convenient to connect through the external threaded pipe 123.

The working process is as follows:

when 4 serious back engine oil that wear and tear of skeleton oil blanket can spill and get into through crossing oil passageway 11 and connect in the oil drum 6, whether operating personnel confirm when changing the oil blanket through the increment of regularly observing whether have engine oil and engine oil in the bucket, solved only just maintain after the engine oil leaks out the speed reducer output shaft, increased the life of speed reducer.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A speed reducer sealing structure, characterized by comprising: an oil retainer ring (1), a gasket (2), a transparent cover (3), a framework oil seal (4), a limiting retainer ring (5) and an oil receiving barrel (6),

the oil retainer ring (1) and the through cover (3) are sleeved on an output shaft (7) of the speed reducer, the oil retainer ring (1) is positioned on the inner side of the tapered roller bearing, the through cover (3) is positioned on the outer side of the tapered roller bearing, a gasket (2) is arranged between the through cover (3) and the tapered roller bearing, a plurality of framework oil seals (4) are sleeved on the output shaft (7) of the speed reducer, the framework oil seals (4) are positioned inside the through cover (3), a limiting check ring (5) is arranged between adjacent framework oil seals (4), the side wall of the limiting check ring (5) is provided with air holes (8) and oil through holes (9), a ventilation channel (10) and an oil through channel (11) are arranged inside the through cover (3), one end of the ventilation channel (10) is arranged on the side wall of the through cover (3) and communicated with the atmosphere, the other end of the ventilation channel (10) is communicated with the air holes (8) on the side wall of the, the other end of the oil passage (11) extends to the side wall of the transparent cover (3), the oil receiving barrel (6) is connected with the other end of the oil passage (11), the ventilation passage (10) is positioned above, and the oil passage (11) is positioned below.

2. The speed reducer sealing structure according to claim 1, wherein a drying device (12) that prevents the entry of water vapor in the air is connected to one end of the ventilation passage (10).

3. The speed reducer sealing structure according to claim 2, wherein the oil receiving barrel (6) is made of a transparent plastic material.

4. The speed reducer sealing structure according to claim 3, wherein a vent pipeline (13) is arranged on the side wall of the oil receiving barrel (6), and a drying device (12) is mounted on the vent pipeline (13).

5. The speed reducer sealing structure according to claim 4, wherein the drying device (12) includes: the drying device comprises a drying shell (121), a drying agent layer (122) and an external threaded pipe (123), wherein the drying agent layer (122) is arranged inside the drying shell (121), the external threaded pipe (123) is arranged at the lower end of the drying shell (121), the other end of the external threaded pipe (123) is connected with a ventilation pipeline (13) or a ventilation channel (10), and an air inlet is formed in the upper end face of the drying shell (121).