CN217300997U - Self-lubricating bearing of long-shaft molten salt pump - Google Patents
Self-lubricating bearing of long-shaft molten salt pump Download PDFInfo
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- CN217300997U CN217300997U CN202220909824.0U CN202220909824U CN217300997U CN 217300997 U CN217300997 U CN 217300997U CN 202220909824 U CN202220909824 U CN 202220909824U CN 217300997 U CN217300997 U CN 217300997U
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- bearing
- bearing seat
- molten salt
- salt pump
- liquid collecting
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Abstract
The utility model provides a long-axis molten salt pump self-lubricating bearing, which comprises a bearing seat and a shaft sleeve arranged inside the bearing seat, wherein a baffle plate for blocking the shaft sleeve is arranged on the upper surface of the bearing seat through a bolt, and the upper end and the lower end of the bearing seat are respectively provided with an upper flange and a lower flange for connecting a molten salt pump; the bearing seat is characterized in that the inner side face of the bearing seat is provided with a plurality of liquid collecting grooves of an arc structure, every two liquid collecting grooves are a pair and are arranged at the upper end and the lower end of the bearing seat from top to bottom, and oil conveying holes which are connected with each other are formed in the pair of liquid collecting grooves. The utility model discloses the in-process of the lubricated medium rebound in the bearing, the lubricated medium in the collecting tank can receive the extrusion, carries to the collecting tank that is located the bearing frame below through the oil delivery hole, scrapes through the channel of axle sleeve and gets, scribbles the bearing frame inboard surface, makes the bearing after long-time the use, still can all-round be covered with the lubricated medium between axle sleeve and the bearing frame, reduces the wearing and tearing of bearing, the life of extension fixture.
Description
Technical Field
The utility model belongs to the technical field of the molten salt pump bearing, especially, relate to a major axis molten salt pump is from lubricated bearing.
Background
The high-temperature molten salt pump is of a vertical submerged pump structure, a bearing inside the high-temperature molten salt pump is wholly immersed in molten salt and runs at high temperature, and the bearing achieves self-lubrication.
The utility model is CN 207598561U's a high temperature molten salt pump self-lubricating bearing device, including axle, axle sleeve, bush and bearing frame, the outside cover of axle establish fixed axle sleeve, the axle sleeve is installed in the bearing frame, set up the bush between bearing frame and the axle sleeve, the bush is installed in the outside of axle sleeve, the bush is installed in the bearing frame, the baffle that blocks the bush for the bearing frame lower extreme inwards buckles, the upper end of bearing frame is fixed with the bush gland that covers the bush for the bush, the outside of bush is stretched out at the both ends of axle sleeve, the outside of axle sleeve is stretched out at the both ends of axle, a plurality of spiral channels have evenly been seted up on the outer wall of axle sleeve, lubricated medium inlet flow channel has been seted up to the lower extreme of axle sleeve, the upper end is opened there is lubricated medium outlet flow channel. Through opening several spiral channels on the sliding bearing axle sleeve at high temperature molten salt pump for lubricated medium is full of the runner and flows fast, realizes good lubricated cooling effect, has effectively avoided sliding bearing's excessive wearing and tearing, extension sliding bearing life.
However, when the molten salt pump works, the lubricating medium between the shaft sleeve and the bearing seat can slowly move upwards under high-speed rotation, and after the molten salt pump works for a long time, the lower end of the shaft sleeve and the bearing seat can be abraded due to the reduction of the lubricating medium, so that the stable work of the molten salt pump is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a major axis molten salt pump is from lubricated bearing to solve current molten salt pump during operation, be located the lubricating medium between axle sleeve and the bearing frame under high-speed rotation, can slow rebound, after long-time work, will be because lubricating medium's reduction between the lower extreme of axle sleeve and the bearing frame, lead to wearing and tearing, influence the problem of molten salt pump steady operation.
The utility model discloses the technical scheme who adopts as follows:
a long-shaft molten salt pump self-lubricating bearing comprises a bearing seat and a shaft sleeve arranged in the bearing seat, wherein a baffle plate for blocking the shaft sleeve is arranged on the upper surface of the bearing seat through a bolt, and an upper flange and a lower flange which are used for connecting a molten salt pump are respectively arranged at the upper end and the lower end of the bearing seat; the bearing seat is characterized in that the inner side surface of the bearing seat is provided with a plurality of liquid collecting grooves with arc structures, each two liquid collecting grooves are a pair and are arranged at the upper end and the lower end of the bearing seat from top to bottom, an oil conveying hole which is connected with each other is formed in each pair of liquid collecting grooves, and a top oil outlet hole is formed in the upper part of each liquid collecting groove and the upper surface of the bearing seat; the outer surface of the shaft sleeve is provided with a plurality of channels.
The number of the channels is four or six, and the distance between the upper end and the lower end of each channel and the upper surface and the lower surface of the shaft sleeve is 0.5-1cm respectively.
And the upper end and the lower end of the channel are respectively provided with a chamfer angle of 45-60 degrees, and the distance between the upper end and the lower end of the channel is the same as the distance between a pair of liquid collecting grooves arranged in the bearing seat.
And the lower end of the inner side of the bearing seat is provided with a convex block for supporting the shaft sleeve.
The oil conveying hole and the top oil outlet hole which are positioned in the same pair of the liquid collecting grooves are positioned on the same vertical line.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses the in-process of the lubricated medium rebound in the bearing, finally can be collected by the collecting tank of bearing frame top, after being filled up by lubricated medium in the collecting tank, under the condition that all the other lubricated medium still constantly colleted, the lubricated medium in the collecting tank will receive the extrusion, carry to the collecting tank that is located the bearing frame below through the oil delivery hole, the collecting tank exhaust lubricated medium that is located the below can be under the rotation of axle sleeve, scrape through the channel and get, scribble the interior side surface of full bearing frame, make the bearing after long-time the use, still can the omnidirectional be covered with lubricated medium between axle sleeve and the bearing frame, reduce the wearing and tearing of bearing, the life of extension fixture.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Figure 3 is the structural schematic diagram of the liquid collecting tank of the utility model.
Fig. 4 is a schematic structural view of the shaft sleeve of the present invention.
Fig. 5 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.
Fig. 6 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.
In the figure:
1-bearing seat, 11-collecting tank, 12-oil conveying hole, 13-top oil outlet, 2-shaft sleeve, 21-channel, 3-baffle, 4-upper flange and 5-lower flange.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, 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 efforts shall belong to the protection scope of the present invention.
As shown in figures 1 to 6.
The utility model provides a long axis molten salt pump self-lubricating bearing, including bearing frame 1 and install the axle sleeve 2 in the bearing frame 1 inside, the lower extreme of the inboard of bearing frame 1 is equipped with the lug that is used for supporting axle sleeve 2, the baffle 3 that is used for blockking axle sleeve 2 is installed through the bolt to the upper surface of bearing frame 1, the upper and lower end of bearing frame 1 is provided with upper flange 4 and lower flange 5 that are used for connecting the molten salt pump respectively;
the inner side surface of the bearing seat 1 is provided with a plurality of liquid collecting grooves 11 with an arc structure, each two of the liquid collecting grooves 11 are a pair, the two liquid collecting grooves are vertically arranged at the upper end and the lower end of the bearing seat 1, an oil conveying hole 12 which is mutually connected is formed in each pair of the liquid collecting grooves 11, and a top oil outlet hole 13 is formed above the liquid collecting grooves 11 and on the upper surface of the bearing seat 1; the oil delivery holes 12 and the top oil outlet holes 13 in the same pair of sumps 11 are in the same vertical line.
The bearing seat is characterized in that the outer surface of the shaft sleeve 2 is provided with a plurality of channels 21, the number of the channels 21 is four or six, the upper end and the lower end of each channel 21 are respectively spaced by 0.5-1cm from the upper surface and the lower surface of the shaft sleeve 2, the upper end and the lower end of each channel 21 are respectively provided with a chamfer of 45-60 degrees, and the distance between the upper end and the lower end of each channel 21 is the same as the distance between the liquid collecting grooves 11 which are arranged in the bearing seat 1 in a pair.
When the molten salt pump works, a lubricating medium (high-temperature molten salt) between the shaft sleeve 2 and the bearing seat 1 rotates at a high speed, the lubricating medium can slowly move upwards, in the process of moving upwards, the lubricating medium can be finally collected by the liquid collecting tank 11 above the bearing seat 1, after the liquid collecting tank 11 is filled with the lubricating medium, the rest lubricating medium is still continuously collected, the lubricating medium in the liquid collecting tank 11 can be conveyed to the liquid collecting tank 11 below the bearing seat 1 through the oil conveying hole 12, the lubricating medium discharged from the liquid collecting tank 11 below can be scraped under the rotation of the shaft sleeve 2 through the channel 21, the inner side surface of the shaft sleeve 1 is fully coated, after the bearing is used for a long time, the lubricating medium can still be fully distributed between the shaft sleeve 2 and the bearing seat 1 in an all-directional mode, and the abrasion of the bearing is reduced.
The top oil outlet hole 13 connected with the upper surface of the bearing seat 1 is further formed in the upper liquid collecting groove 11, so that lubricating media can enter the joint of the baffle 3 and the sleeve 2 from the position, the abrasion of the bearing can be reduced, and the service life of the device is prolonged.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (6)
1. The utility model provides a long axis molten salt pump is from lubricated bearing, includes bearing frame (1) and installs axle sleeve (2) inside bearing frame (1), its characterized in that: a baffle (3) for blocking the shaft sleeve (2) is mounted on the upper surface of the bearing seat (1) through bolts, and an upper flange (4) and a lower flange (5) for connecting a molten salt pump are respectively arranged at the upper end and the lower end of the bearing seat (1); the bearing seat is characterized in that the inner side surface of the bearing seat (1) is provided with a plurality of liquid collecting grooves (11) with arc structures, each two liquid collecting grooves (11) are a pair, the upper ends and the lower ends of the bearing seat (1) are arranged at the upper end and the lower end of the bearing seat, an oil conveying hole (12) which is connected with each other is formed in each pair of liquid collecting grooves (11), and a top oil outlet hole (13) is formed in the upper part of each liquid collecting groove (11) and the upper surface of the bearing seat (1); the outer surface of the shaft sleeve (2) is provided with a plurality of channels (21).
2. The long shaft molten salt pump self-lubricating bearing of claim 1, wherein: the number of the channels (21) is four or six, and the distance between the upper end and the lower end of each channel (21) and the upper surface and the lower surface of the shaft sleeve (2) is 0.5-1 cm.
3. A long axis molten salt pump self-lubricating bearing as claimed in claim 2, wherein: the upper end and the lower end of the channel (21) are respectively provided with a chamfer angle of 45-60 degrees.
4. A long axis molten salt pump self-lubricating bearing as claimed in claim 3, wherein: the distance between the upper end and the lower end of the channel (21) is the same as the distance between a pair of liquid collecting grooves (11) arranged in the bearing seat (1).
5. The long shaft molten salt pump self-lubricating bearing of claim 1, wherein: the lower end of the inner side of the bearing seat (1) is provided with a convex block for supporting the shaft sleeve (2).
6. The long shaft molten salt pump self-lubricating bearing of claim 1, wherein: the oil delivery holes (12) positioned in the same pair of liquid collecting tanks (11) and the top oil outlet hole (13) are positioned in the same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909824.0U CN217300997U (en) | 2022-04-20 | 2022-04-20 | Self-lubricating bearing of long-shaft molten salt pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909824.0U CN217300997U (en) | 2022-04-20 | 2022-04-20 | Self-lubricating bearing of long-shaft molten salt pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217300997U true CN217300997U (en) | 2022-08-26 |
Family
ID=82915284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220909824.0U Active CN217300997U (en) | 2022-04-20 | 2022-04-20 | Self-lubricating bearing of long-shaft molten salt pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217300997U (en) |
-
2022
- 2022-04-20 CN CN202220909824.0U patent/CN217300997U/en active Active
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