CN115789108A - High-speed copper-based support bearing with rapid cooling function - Google Patents

High-speed copper-based support bearing with rapid cooling function Download PDF

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Publication number
CN115789108A
CN115789108A CN202211529810.7A CN202211529810A CN115789108A CN 115789108 A CN115789108 A CN 115789108A CN 202211529810 A CN202211529810 A CN 202211529810A CN 115789108 A CN115789108 A CN 115789108A
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China
Prior art keywords
bearing
cooling
oil
base body
bearing base
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CN202211529810.7A
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Chinese (zh)
Inventor
邵钢
刘强
张丽
张帆
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703th Research Institute of CSIC
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703th Research Institute of CSIC
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Priority to CN202211529810.7A priority Critical patent/CN115789108A/en
Publication of CN115789108A publication Critical patent/CN115789108A/en
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Abstract

A high-speed copper-based support bearing with a rapid cooling function relates to the technical field of bearings. The invention solves the problem that the temperature of an oil film is overhigh under the high-speed working condition of a part of the support bearing of the traditional marine high-speed gear transmission device. The bearing base body of the invention is coaxially arranged in a bearing seat hole of the bearing seat, the bearing seat and the bearing base body together form a lubricating oil cavity, the lubricating oil cavity is communicated with a lubricating oil supply hole processed on the bearing seat, a through bearing oil supply hole is processed on the outer side surface of the bearing base body along the radial direction, a bearing oil supply groove corresponding to the bearing oil supply hole is processed on the inner side surface of the bearing base body, bearing alloy is uniformly poured on the surface of an inner hole of the bearing base body, a plurality of through cooling long holes are uniformly arranged on the bearing base body of a bearing area supported by a high-speed copper base along the axial direction, and a bearing area cooling system is formed by sequentially connecting the head and the tail of a plurality of cooling oil pipes. The invention is used for improving the cooling capacity of the support bearing of the high-speed gear transmission part for the ship.

Description

High-speed copper-based support bearing with rapid cooling function
Technical Field
The invention relates to the technical field of bearings, in particular to a high-speed copper-based support bearing with a rapid cooling function.
Background
The high-speed gear transmission for ships mostly adopts a sliding support bearing which is used for supporting a gear shaft and bearing radial load generated by gear meshing. The working condition of the supporting bearing of the high-speed gear transmission part for the ship is severe, and the working conditions of high-speed light load and high-speed heavy load are more. When the support bearing operates under a high-speed working condition, a large amount of heat can be generated, so that the oil film temperature of the bearing is very high. Because the allowable temperature of the bearing alloy is lower, the bearing alloy is easily burnt due to the overhigh oil film temperature, and the supporting bearing is burnt in serious conditions to generate the phenomenon of axle holding, so that the gear shaft is broken. In view of the above situation, methods such as increasing the flow rate of the lubricating oil and reducing the specific pressure of the bearing are generally adopted in the design of the support bearing, so as to increase the cooling capacity of the support bearing or reduce the friction power consumption of the bearing as much as possible, thereby achieving the purpose of reducing the temperature of the oil film of the bearing.
In summary, the supporting bearing of the prior marine high-speed gear transmission part has the problem of overhigh oil film temperature under the high-speed working condition.
Disclosure of Invention
The invention aims to solve the problem that the temperature of an oil film is overhigh under a high-speed working condition of the existing part of the supporting bearing for the marine high-speed gear transmission device, and further provides a high-speed copper-based supporting bearing with a rapid cooling function.
The technical scheme of the invention is as follows:
a high-speed copper-based support bearing with a rapid cooling function comprises a bearing base body 3, a bearing alloy 4 and a plurality of cooling oil pipes 13, wherein the bearing base body 3 is of a circular ring-shaped structure, the bearing base body 3 is coaxially installed in a bearing seat hole of a bearing seat 1, a lubricating oil cavity 2 is jointly formed by the bearing seat 1 and the bearing base body 3, the lubricating oil cavity 2 is communicated with a lubricating oil supply hole processed on the bearing seat 1, a through bearing oil supply hole 7 is processed on the outer side surface of the bearing base body 3 along the radial direction, a bearing oil supply groove 8 corresponding to the bearing oil supply hole 7 is processed on the inner side surface of the bearing base body 3, a layer of bearing alloy 4 is uniformly poured on the surface of an inner hole of the bearing base body 3, an oil inlet corresponding to the bearing oil supply groove 8 is formed in the bearing alloy 4, a plurality of through cooling long holes 5 are uniformly formed in the bearing base body 3 of a high-speed copper-based support bearing area along the axial direction, the plurality of cooling long holes 5 are sequentially connected end to form a bearing area cooling system through the cooling oil pipes 13, and the free ends of the two cooling long holes 5 positioned at the end portion are used as a cooling oil supply port and a cooling oil outlet of the bearing area cooling system.
Furthermore, a first annular groove is processed in the middle of the outer side surface of the bearing base body 3 along the radial direction, a second annular groove is processed in the middle of the inner side surface of the bearing base 1 along the radial direction, and the first annular groove of the bearing base body 3 and the second annular groove of the bearing base 1 are oppositely arranged to form a lubricating oil cavity 2.
Further, a cooling oil supply port and a cooling oil outlet port of the bearing area cooling system are both arranged on the side of the end face far away from the gear.
Furthermore, the cooling device also comprises a plurality of oil pipe connecting pieces, and two ends of each cooling oil pipe 13 are respectively connected with two corresponding cooling long holes 5 on the bearing base body 3 in a sealing way through two oil pipe connecting pieces.
Furthermore, each oil pipe connecting piece comprises a pipeline joint 9, a sealing gasket 10, a ferrule type joint 11 and a combined gasket 12, one end of the pipeline joint 9 is in threaded connection with the bearing base body 3, the sealing gasket 10 is arranged between the pipeline joint 9 and the bearing base body 3, the other end of the pipeline joint 9 is in threaded connection with the ferrule type joint 11, and the combined gasket 12 is arranged between the pipeline joint 9 and the ferrule type joint 11.
Further, the distances between the centers of the plurality of cooling long holes 5 and the center of the inner hole of the bearing base body 3 are all equal.
Further, the bearing base body 3 is made of ZSnPb10Sn10 lead bronze material.
Further, the bearing alloy 4 adopts ZSnSb11Cu6 or ZSnSb12Cu6Cd1 tin-based babbitt alloy material.
Compared with the prior art, the invention has the following effects:
1. the invention provides a copper-based support bearing with a rapid cooling function, a compact structure and a high limit working condition rotating speed for a marine high-speed gear transmission device.
2. The invention starts from the aspects of increasing the cooling capacity of the support bearing and improving the heat exchange efficiency of the bearing, adds an independent cooling system, replaces the traditional bearing base material and effectively improves the cooling capacity of the support bearing.
3. The high-speed copper-based support bearing with the rapid cooling function adopts a two-half split type, cylindrical and bimetal structure, is provided with an independent cooling system, and has the advantages of rapid cooling function, compact structure and high rotating speed under the limit working condition.
4. The cooling long hole 5 is connected into an independent bearing area cooling system through hydraulic elements, so that heat generated during the working of the bearing can be quickly taken away, and the bearing can normally work under a more severe high-speed working condition.
Drawings
FIG. 1 is a radial cross-sectional view of a high-speed copper-based support bearing with a rapid cooling function according to the present invention;
FIG. 2 is an axial cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic view showing the connection between the cooling long holes and the cooling oil pipes of the bearing base body according to the present invention;
fig. 4 is a radial cross-sectional view at B-B in fig. 2.
In the figure: 1-a bearing seat; 2-lubricating oil cavity; 3-a bearing substrate; 4-bearing alloy; 5-cooling the long holes; 7-bearing oil supply holes; 8-bearing oil supply groove; 9-a pipe joint; 10-a seal gasket; 11-a ferrule type fitting; 12-a composite washer; 13-cooling the oil pipe.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the high-speed copper-based support bearing with a rapid cooling function of the embodiment includes a bearing base 3, a bearing alloy 4 and a plurality of cooling oil pipes 13, where the bearing base 3 is of an annular structure, the bearing base 3 is coaxially installed in a bearing seat hole of the bearing seat 1, the bearing seat 1 and the bearing base 3 together form a lubricating oil cavity 2, the lubricating oil cavity 2 is communicated with a lubricating oil supply hole processed on the bearing seat 1, a through bearing oil supply hole 7 is processed on an outer side surface of the bearing base 3 along a radial direction, a bearing oil supply groove 8 corresponding to the bearing oil supply hole 7 is processed on the inner side surface of the bearing base 3, a layer of bearing alloy 4 is uniformly cast on an inner hole surface of the bearing base 3, an oil inlet hole corresponding to the bearing oil supply groove 8 is formed on the bearing alloy 4, a plurality of through cooling long holes 5 are uniformly formed on the bearing base 3 of the high-speed copper-based support bearing zone along an axial direction, the plurality of cooling long holes 5 are sequentially connected end-to form a bearing zone cooling system through the plurality of cooling oil pipes 13, and two free ends located at the end portion are used as a cooling oil outlet and a cooling oil outlet of the cooling system.
The bearing area cooling system of the embodiment can independently cool the bearing area of the support bearing, and effectively reduces the temperature of the bearing during operation.
The second embodiment is as follows: referring to fig. 1 and 2, the first annular groove is radially formed in the middle of the outer side surface of the bearing base body 3, the second annular groove is radially formed in the middle of the inner side surface of the bearing seat 1, and the first annular groove of the bearing base body 3 and the second annular groove of the bearing seat 1 are arranged opposite to each other to form the lubricating oil chamber 2. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 and 4, and the cooling oil supply port and the cooling oil outlet port of the load compartment cooling system of the present embodiment are both provided on the end surface side away from the gear. So set up, the cooling oil of bearing area cooling system supplies oil mouth and oil-out to establish and is kept away from the terminal surface side of gear, can make and support bearing structure compacter, and gear drive supplies cooling oil more conveniently. The grade of the cooling oil is the same as that of the lubricating oil, and once the cooling oil leaks, the whole oil supply system cannot be polluted. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1, fig. 3 and fig. 4, and further includes a plurality of oil pipe connectors, and both ends of each cooling oil pipe 13 are respectively connected with two corresponding cooling long holes 5 on the bearing base body 3 in a sealing manner through two oil pipe connectors. According to the arrangement, the plurality of cooling long holes 5 are connected end to end through the plurality of oil pipe connecting pieces and the cooling oil pipes 13, and an independent closed cooling system is formed in the bearing. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode is as follows: referring to fig. 1, 3 and 4, the present embodiment is described, each oil pipe connecting member of the present embodiment includes a pipeline joint 9, a sealing gasket 10, a ferrule type joint 11 and a combination gasket 12, one end of the pipeline joint 9 is connected with the bearing base body 3 by a thread, the sealing gasket 10 is disposed between the pipeline joint 9 and the bearing base body 3, the other end of the pipeline joint 9 is connected with the ferrule type joint 11 by a thread, and the combination gasket 12 is disposed between the pipeline joint 9 and the ferrule type joint 11. According to the arrangement, the plurality of cooling long holes 5 are connected end to end through the pipeline joint 9, the sealing gasket 10, the combined gasket 12, the ferrule type joint 11 and the cooling oil pipe 13, and an independent closed cooling system is formed in the bearing. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode is as follows: in the present embodiment, the distances between the centers of the plurality of long cooling holes 5 and the center of the inner hole of the bearing base 3 are equal to each other, as described with reference to fig. 2 and 4. So set up, cooling slot hole 5 evenly sets up inside bearing base member 3, makes the cooling more even, has improved the cooling effect who supports bearing area. Other compositions and connection relations are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment or the fifth embodiment.
The seventh concrete implementation mode: the present embodiment will be described with reference to fig. 1 and 2, and ZSnPb10Sn10 lead bronze is used as the bearing base 3 of the present embodiment. So set up, ZSnPb10Sn10 lead bronze material compares with traditional bearing base member material 20# steel, has better heat exchange efficiency, can be fast with the heat effluvium that produces when supporting the bearing work. Other compositions and connection relations are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment or the sixth embodiment.
The specific implementation mode eight: the present embodiment will be described with reference to fig. 1 and 2, and the bearing alloy 4 of the present embodiment is a zssb 11Cu6 or zssb 12Cu6Cd1 tin-based babbitt metal material. Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six or seven.
Principle of operation
The working principle of a high-speed copper-based support bearing with a rapid cooling function according to the present invention is described with reference to fig. 1 to 4: a high-speed copper-based support bearing is mounted on the bearing housing 1, and functions to support the gear shaft 6 in the marine transmission.
When the bearing works, lubricating oil enters a lubricating oil cavity 2 formed by the bearing seat 1 and the bearing base body 3 together through a lubricating oil supply hole, and enters a bearing oil supply groove 8 through a bearing oil supply hole 7 on the bearing base body 3. The dynamic pressure oil film is formed between the gear shaft 6 and the bearing alloy 4 along with the driving of the gear shaft 6, and the support bearing can work normally. Meanwhile, cooling oil is introduced into the bearing area cooling system, enters the first cooling long hole 5 from the cooling oil supply hole, sequentially enters the subsequent cooling long holes 5 through the cooling oil pipe 13, and then flows out through the cooling oil outlet to independently cool the bearing area of the support bearing.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A high-speed copper-based support bearing with a rapid cooling function is characterized in that: it includes bearing base member (3), bearing alloy (4) and a plurality of cooling oil pipe (13), and bearing base member (3) are the ring shape structure, and bearing base member (3) coaxial arrangement is downthehole at the bearing frame of bearing frame (1), and bearing frame (1) and bearing base member (3) form lubricating oil chamber (2) jointly, lubricating oil chamber (2) and the lubricating oil who processes on bearing frame (1) supply oil hole intercommunication, and the lateral surface of bearing base member (3) has radially processed bearing oil supply hole (7) that link up, and the medial surface processing of bearing base member (3) has bearing oil groove (8) that correspond with bearing oil supply hole (7), and the inner bore surface of bearing base member (3) evenly pours into has one deck bearing alloy (4), offers the inlet port that corresponds with bearing oil supply groove (8) on bearing alloy (4), and evenly is equipped with a plurality of cooling slot hole (5) that link up along the axial on bearing base member (3) of high-speed copper base support bearing area, and carry the free cooling slot hole (5) that the oil pipe that the tip is located bearing area (13) and connect through a plurality of cooling slot hole (5) and carry oil supply oil system cooling oil in order between a plurality of oil, and carry the cooling slot hole and the cooling oil outlet.
2. A high-speed copper-based support bearing with a rapid cooling function according to claim 1, wherein: a first annular groove is formed in the middle of the outer side face of the bearing base body (3) in the radial direction, a second annular groove is formed in the middle of the inner side face of the bearing seat (1) in the radial direction, and the first annular groove of the bearing base body (3) and the second annular groove of the bearing seat (1) are arranged oppositely to form a lubricating oil cavity (2).
3. A high-speed copper-based support bearing with a rapid cooling function according to claim 1 or 2, characterized in that: and a cooling oil supply port and a cooling oil outlet of the bearing area cooling system are both arranged on the side of the end face far away from the gear.
4. A high-speed copper-based support bearing with a rapid cooling function according to claim 3, characterized in that: the bearing further comprises a plurality of oil pipe connecting pieces, and two ends of each cooling oil pipe (13) are respectively connected with two corresponding cooling long holes (5) on the bearing base body (3) in a sealing mode through the two oil pipe connecting pieces.
5. The high-speed copper-based support bearing with the rapid cooling function according to claim 4, wherein: each oil pipe connecting piece comprises a pipeline joint (9), a sealing gasket (10), a clamping sleeve type joint (11) and a combined gasket (12), one end of the pipeline joint (9) is in threaded connection with the bearing base body (3), the sealing gasket (10) is arranged between the pipeline joint (9) and the bearing base body (3), the other end of the pipeline joint (9) is in threaded connection with the clamping sleeve type joint (11), and the combined gasket (12) is arranged between the pipeline joint (9) and the clamping sleeve type joint (11).
6. A high-speed copper-based support bearing with a rapid cooling function according to claim 1 or 5, wherein: the distances between the centers of the plurality of cooling long holes (5) and the center of the inner hole of the bearing base body (3) are equal.
7. A high-speed copper-based support bearing with a rapid cooling function according to claim 6, wherein: the bearing base body (3) is made of ZSnPb10Sn10 lead bronze material.
8. The high-speed copper-based support bearing with the rapid cooling function according to claim 7, wherein: the bearing alloy (4) adopts ZSnSb11Cu6 or ZSnSb12Cu6Cd1 tin-based babbitt alloy material.
CN202211529810.7A 2022-11-30 2022-11-30 High-speed copper-based support bearing with rapid cooling function Pending CN115789108A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211529810.7A CN115789108A (en) 2022-11-30 2022-11-30 High-speed copper-based support bearing with rapid cooling function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211529810.7A CN115789108A (en) 2022-11-30 2022-11-30 High-speed copper-based support bearing with rapid cooling function

Publications (1)

Publication Number Publication Date
CN115789108A true CN115789108A (en) 2023-03-14

Family

ID=85444508

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211529810.7A Pending CN115789108A (en) 2022-11-30 2022-11-30 High-speed copper-based support bearing with rapid cooling function

Country Status (1)

Country Link
CN (1) CN115789108A (en)

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