CN210164799U

CN210164799U - Detachable end cover middle bearing with oil blocking structure

Info

Publication number: CN210164799U
Application number: CN201920741260.2U
Authority: CN
Inventors: 曹海健; 张志谊; 徐贞高; 李淑敏; 方映; 崔元桃
Original assignee: DONGTAI MARINE PARTS Co Ltd
Current assignee: DONGTAI MARINE PARTS Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-03-20
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a removable intermediate bearing of end cover with keep off oily structure relates to boats and ships technical field. The utility model discloses a bearing frame, end cover inner wall have been seted up and have been kept off the oil pocket, keep off oil pocket inner wall and have been seted up the guiding gutter, guiding gutter inside wall fixedly connected with conducting strip, a conducting strip terminal surface extend to the end cover outside and fixedly connected with radiating fin, the fixed intercommunication in guiding gutter bottom has back oil pipe, returns oil pipe one end and is linked together with the lubricating oil pond is inside, and the week side of a return oil pipe port is provided with the check valve. The utility model discloses a sealing end cover, guiding gutter, conducting strip, radiating fin, the design of returning oil pipe and check valve, the lubricating oil that prevents in the lubricating oil pond is through returning oil pipe overflow to keeping off the oil intracavity, has avoided keeping off that the oil intracavity is filled lubricating oil and has caused the leakage, has avoided simultaneously that the oil temperature through returning oil pipe backward flow to in the lubricating oil pond is higher, has reduced the viscosity of lubricating oil, influences the problem of the performance of lubricating oil.

Description

Detachable end cover middle bearing with oil blocking structure

Technical Field

The utility model belongs to the technical field of boats and ships, especially, relate to a removable intermediate bearing of end cover with keep off oily structure.

Background

The marine intermediate bearing is used as a shafting supporting point arranged for reducing shafting deflection and is used for bearing the self weight of the intermediate shaft and the radial load generated by deformation when the shafting transmits torque. Although the sealing rings are arranged in the shaft holes at two sides of the bearing seat of the existing intermediate bearing, the intermediate bearing with low speed and heavy load inevitably has unbalance loading and unbalance grinding, or a gap is generated at the sealing positions at two ends due to the vibration of the operating environment, and lubricating oil still leaks outwards from the gap.

At present, the existing chinese patent discloses an intermediate bearing having an oil retaining structure [ application number: 201520689889.9], comprising a bearing seat and a bearing cap which are fixedly connected with each other, a bearing bush is supported in the bearing seat and the bearing cap, an axle hole outer wall and an axle hole inner wall are arranged at two ends of the bearing seat and the bearing cap, and an oil blocking cavity is formed between the axle hole outer wall and the axle hole inner wall which are arranged at intervals. An oil retainer ring which can be sleeved on the intermediate shaft is arranged in the oil retainer cavity. All be equipped with the shaft hole on shaft hole outer wall and the shaft hole inner wall, be located the shaft hole central line on the shaft hole outer wall and the shaft hole central line collineation of shaft hole inner wall. The intermediate bearing of the scheme can effectively prevent the lubricating oil from leaking and the oil return hole enables the lubricating oil to flow back to the lubricating oil pool of the bearing seat, so that the lubricating effect of the intermediate bearing is ensured, and the lubricating oil pollution is not formed. However, oil in the lubricating oil pool is easy to overflow into the oil blocking cavity through the oil return hole, so that the oil blocking cavity is filled with the lubricating oil to cause leakage, the oil temperature which flows back into the lubricating oil pool through the oil return hole is high, the viscosity of the lubricating oil is reduced, and the performance of the lubricating oil is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a removable intermediate bearing of end cover with keep off oily structure, through end cover, guiding gutter, conducting strip, radiating fin, time oil pipe and check valve's design, solved the oil in the lubricating oil pond and overflowed to keeping off the oil intracavity through the oil gallery easily, lead to keeping off the oil intracavity and annotate lubricating oil and cause the leakage to and it is higher to flow back to the oil temperature in the lubricating oil pond through the oil gallery, reduced the viscosity of lubricating oil, influence the problem of the performance of lubricating oil.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a removable intermediate bearing of end cover with oil blocking structure, including the bearing frame, a bearing cap is fixedly connected with through the bolt in the bearing frame surface, bearing bush is all fixedly installed to bearing frame inner wall and bearing cap inner wall, the bearing bush inner wall supports there is the jackshaft, bearing frame and bearing cap both ends are all sealed through a sealed end cover, and the sealed end cover is fixed on bearing frame and bearing cap through the sealing washer cooperation bolt; the utility model discloses a bearing frame, including bearing frame, baffle end cover, baffle oil chamber inner wall, baffle inner wall fixedly connected with conducting strip, a conducting strip terminal surface extends to the end cover outside and fixedly connected with radiating fin, jackshaft week side fixedly connected with dysmorphism hinders the oil circle, dysmorphism hinders the oil circle and is located and keeps off inside the oil chamber, the fixed intercommunication in baffle bottom portion has back oil pipe, the inside lubricating oil pond of having seted up of bearing frame, it is linked together with the lubricating oil pond inside to return oil pipe one end, it is provided with the check valve to return the week side of oil pipe port.

Furthermore, two annular grooves are formed in the inner wall of the sealing end cover, the two annular grooves are respectively located on two sides of the oil blocking cavity, an object blocking ring is fixedly connected to the peripheral side face of the intermediate shaft, the peripheral side face of the object blocking ring is matched with the inner wall of the annular groove, and the inner wall of the sealing end cover is rotatably connected to the peripheral side face of the intermediate shaft.

Furthermore, the top of the bearing cover is rotatably connected with an observation cover plate, an oil filter screen is arranged below the observation cover plate, an oil injection hopper is arranged below the oil filter screen, and the lower end of the oil injection hopper is communicated with a lubricating oil pool.

Furthermore, the peripheral side face of the intermediate shaft is fixedly connected with an oil thrower which is positioned inside the lubricating oil pool.

The utility model discloses following beneficial effect has: the utility model discloses a sealing end cover, the guiding gutter, the conducting strip, radiating fin, return oil pipe and check valve's design, it flows to in the oil return pipe along the guiding gutter to keep off the lubricating oil that the oil intracavity was collected, the intraductal lubricating oil of oil return flows back to in the lubricating oil pond, the check valve of oil return pipe port prevents that the lubricating oil in the lubricating oil pond from overflowing to keeping off the oil intracavity through returning oil pipe, it leads to the fact the leakage to avoid keeping off the oil intracavity to fill with lubricating oil, the conducting strip of guiding gutter both sides wall will keep off the heat transfer of oil intracavity lubricating oil to outside radiating fin simultaneously, radiating fin increases heat radiating area in with heat transfer external environment, it is higher to have avoided flowing back the oil temperature in the lubricating oil pond through returning oil pipe, the viscosity of lubricating oil has been reduced.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a removable end cap center bearing with an oil barrier;

FIG. 2 is a schematic structural view of a hermetic end cap;

FIG. 3 is a schematic view of the interior of the end cap;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a bearing seat, 101-a bearing cover, 102-a bearing bush, 103-a middle shaft, 104-a sealing end cover, 105-an oil blocking cavity, 106-a diversion trench, 107-a heat conducting fin, 108-a heat radiating fin, 109-a special-shaped oil blocking ring, 110-an oil return pipe, 111-a lubricating oil pool, 112-a one-way valve, 113-an annular groove, 114-an object blocking ring, 115-an observation cover plate, 116-an oil filter screen, 117-an oil injection hopper and 118-a oil thrower.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a removable intermediate bearing of end cover with oil blocking structure, including bearing frame 1, bearing frame 1 surface is through bolt fixed connection with bearing cap 101, bearing frame 1 inner wall and bearing cap 101 inner wall all fixed mounting have axle bush 102, bearing bush 102 inner wall supports has jackshaft 103, bearing frame 1 and bearing cap 101 both ends are all sealed through a seal end cover 104, and seal end cover 104 is fixed on bearing frame 1 and bearing cap 101 through seal ring cooperation bolt; keep off oil pocket 105 has been seted up to end cover 104 inner wall, keep off oil pocket 105 inner wall and seted up guiding gutter 106, guiding gutter 106 inside wall fixedly connected with conducting strip 107, conducting strip 107 one end extends to end cover 104 outside and fixedly connected with radiating fin 108, the medial axis 103 all sides fixedly connected with dysmorphism hinders oil ring 109, dysmorphism hinders oil ring 109 and is located keeps off oil pocket 105 inside, the fixed intercommunication in guiding gutter 106 bottom has oil return pipe 110, the inside lubricating oil pond 111 of having seted up of bearing frame 1, oil return pipe 110 one end is linked together with lubricating oil pond 111 inside, the all sides of an oil return pipe 110 port are provided with check valve 112.

Two annular grooves 113 are formed in the inner wall of the sealing end cover 104, the two annular grooves 113 are located on two sides of the oil blocking cavity 105 respectively, an object blocking ring 114 is fixedly connected to the peripheral side face of the intermediate shaft 103, the peripheral side face of the object blocking ring 114 is matched with the inner wall of the annular groove 113, and the inner wall of the sealing end cover 104 on the peripheral side face of the intermediate shaft 103 is rotatably connected.

Wherein, the top of the bearing cap 101 is rotatably connected with an observation cover plate 115, so as to conveniently observe the oil level surface in the lubricating oil pool 111, an oil filter screen 116 is arranged below the observation cover plate 115, so as to filter impurities in the lubricating oil, an oil filling hopper 117 is arranged below the oil filter screen 116, and the lower end of the oil filling hopper 117 is communicated with the lubricating oil pool 111.

The oil slinger 118 is fixedly connected to the peripheral side face of the intermediate shaft 103, the oil slinger 118 is located inside the lubricating oil pool 111, and the lubricating oil in the lubricating oil pool 111 is thrown to a gap between the intermediate shaft 103 and the bearing bush 102 by the oil slinger 118 to form a lubricating oil film between the intermediate shaft 103 and the bearing bush 102.

The working principle of the embodiment is as follows: when the bearing is used, the outer side blocking ring 114 blocks external foreign matters or dust from entering the inside of the bearing, the inner side blocking ring 114 blocks most of the lubricating oil flowing to the outside of the bearing in the inside of the bearing, a small amount of the lubricating oil leaking into the oil blocking cavity 105 is blocked by the special-shaped oil blocking ring 109 and thrown onto the inner wall of the oil blocking cavity 105, the lubricating oil collected in the oil blocking cavity 105 flows into the oil return pipe 110 along the diversion groove 106, the lubricating oil in the oil return pipe 110 flows back to the lubricating oil pool 111, the check valve 112 at the port of the oil return pipe 110 prevents the lubricating oil in the lubricating oil pool 111 from overflowing into the oil blocking cavity 105 through the oil return pipe 110, so that the leakage caused by the fact that the lubricating oil is filled in the oil blocking cavity 105 is avoided, meanwhile, the heat conducting fins 107 on the two side walls of the diversion groove 106 transfer the heat of the lubricating oil in the oil blocking cavity 105 to the external heat dissipation fins 108, the heat dissipation fins 108 increase the heat dissipation area to transfer the, the viscosity of the lubricating oil is reduced, and the performance of the lubricating oil is influenced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The detachable end cover middle bearing with the oil blocking structure comprises a bearing seat (1), wherein a bearing cover (101) is fixedly connected to one surface of the bearing seat (1) through bolts, bearing bushes (102) are fixedly mounted on the inner wall of the bearing seat (1) and the inner wall of the bearing cover (101), an intermediate shaft (103) is supported on the inner wall of each bearing bush (102), two ends of the bearing seat (1) and two ends of the bearing cover (101) are sealed through sealing end covers (104), and the sealing end covers (104) are fixed on the bearing seat (1) and the bearing cover (101) through sealing rings and matched bolts; the method is characterized in that: keep off oil pocket (105) have been seted up to end cover (104) inner wall, diversion trench (106) have been seted up to keep off oil pocket (105) inner wall, diversion trench (106) inside wall fixedly connected with conducting strip (107), conducting strip (107) terminal surface extends to end cover (104) outside and fixedly connected with radiating fin (108), jackshaft (103) week side fixedly connected with dysmorphism hinders oil ring (109), dysmorphism hinders oil ring (109) and is located keeps off oil pocket (105) inside, diversion trench (106) bottom fixed intercommunication has back oil pipe (110), lubricating oil pond (111) have been seted up to bearing frame (1) inside, it is inside with lubricating oil pond (111) to return oil pipe (110) one end to be linked together, it is provided with check valve (112) to return oil pipe (110) week side of a port.

2. The removable end cover intermediate bearing with the oil blocking structure according to claim 1, wherein the inner wall of the end cover (104) is provided with two annular grooves (113), the two annular grooves (113) are respectively located at two sides of the oil blocking cavity (105), the peripheral side surface of the intermediate shaft (103) is fixedly connected with an object blocking ring (114), the peripheral side surface of the object blocking ring (114) is matched with the inner wall of the annular groove (113), and the inner wall of the end cover (104) is rotatably connected with the peripheral side surface of the intermediate shaft (103).

3. The end cover detachable intermediate bearing with the oil blocking structure is characterized in that an observation cover plate (115) is rotatably connected to the top of the bearing cover (101), an oil filter screen (116) is arranged below the observation cover plate (115), an oil injection hopper (117) is arranged below the oil filter screen (116), and the lower end of the oil injection hopper (117) is communicated with a lubricating oil pool (111).

4. The removable end cover intermediate bearing with the oil baffle structure is characterized in that an oil slinger (118) is fixedly connected to the peripheral side face of the intermediate shaft (103), and the oil slinger (118) is located inside a lubricating oil pool (111).