CN114183471A - Water lubrication rubber bearing land water supply device - Google Patents

Water lubrication rubber bearing land water supply device Download PDF

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Publication number
CN114183471A
CN114183471A CN202111308586.4A CN202111308586A CN114183471A CN 114183471 A CN114183471 A CN 114183471A CN 202111308586 A CN202111308586 A CN 202111308586A CN 114183471 A CN114183471 A CN 114183471A
Authority
CN
China
Prior art keywords
water
shaft
water tank
tank shell
connecting cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111308586.4A
Other languages
Chinese (zh)
Inventor
华如南
汪利
钱大帅
王志朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
719th Research Institute of CSIC
Original Assignee
719th Research Institute of CSIC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 719th Research Institute of CSIC filed Critical 719th Research Institute of CSIC
Priority to CN202111308586.4A priority Critical patent/CN114183471A/en
Publication of CN114183471A publication Critical patent/CN114183471A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/22Sliding surface consisting mainly of rubber or synthetic rubber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/08Rigid support of bearing units; Housings, e.g. caps, covers for spindles
    • F16C35/10Rigid support of bearing units; Housings, e.g. caps, covers for spindles with sliding-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/18Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/184Tightening mechanisms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N15/00Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
    • F16N15/04Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions with water

Abstract

The invention discloses a water-lubricated rubber bearing land water supply device, which comprises: the water tank comprises a water tank shell, a connecting cylinder, a pressing cover and sealing filler; the connecting cylinder is fixed in a circular mounting hole of the water tank shell, the connecting cylinder and the water tank shell are mounted outside the shaft, and the opening end of the water tank shell is mounted on the bearing mounting structure; a cavity formed between the water tank shell and the shaft is a water storage cavity; an annular mounting cavity is formed between the connecting cylinder and the shaft; the sealing filler is arranged in the annular mounting cavity; the pressing cover is coaxially arranged outside the shaft, the sealing filler is pressed on the limiting boss of the connecting cylinder, and meanwhile, the pressed sealing filler is tightly attached to the outer circumferential surface of the shaft to form dynamic sealing between the water tank shell and the shaft. The invention can supply water to the gap between the water-lubricated rubber bearing and the shaft, so that a water film can be formed when the inner surface of the water-lubricated rubber bearing operates, and the lubricating state of the water-lubricated rubber bearing is consistent with the actual state during the test.

Description

Water lubrication rubber bearing land water supply device
Technical Field
The invention belongs to the technical field of bearing connection, and particularly relates to a land water supply device for a water-lubricated rubber bearing.
Background
When the ship normally works, the watertight water-lubricated rubber bearing at the stern part is soaked in water, and the bearing is filled with water to play a role in lubricating and cooling during the operation of the shafting. When the shafting carries out the land model test, the bearing is in dry state, if the shafting directly operates can have three aspects problems: firstly, the bearing is not lubricated, causes to rotate unsmoothly, secondly the frictional heating arouses the rubber axle bush ablation of the inner circumferential surface of bearing, and thirdly the bearing lubrication state is different, is difficult to simulate operating condition. At present, a water pipe is adopted for spraying in a test, although the phenomenon of bearing bush burning can be avoided, the space between a rubber bearing bush and a shaft is not completely filled with water, a water film is difficult to establish when a bearing runs, the friction force is still large, and the difference from the actual state is large.
Disclosure of Invention
In view of the above, the invention provides a land water supply device for a water-lubricated rubber bearing, which can supply water to a gap between the water-lubricated rubber bearing and a shaft when a land model test is carried out on a shafting, so that a water film can be formed when the inner surface of the water-lubricated rubber bearing operates, and further, the lubrication state of the water-lubricated rubber bearing is consistent with the actual state during the test.
The invention is realized by the following technical scheme:
a water-lubricated rubber bearing land water supply device is characterized in that a water-lubricated rubber bearing is coaxially arranged in a bearing installation structure, and the water-lubricated rubber bearing is coaxially sleeved outside a shaft;
the land water supply device includes: the water tank comprises a water tank shell, a connecting cylinder, a pressing cover and sealing filler;
the water tank shell is a cylindrical shell, one end of the water tank shell is open, and a circular mounting hole is machined in the other end of the water tank shell;
one end of the connecting cylinder is provided with an inward limiting boss, and the other end of the connecting cylinder is provided with a connecting flange B;
the pressing cover is a cylinder, and one end of the pressing cover is provided with a connecting flange C;
the overall connection relationship is as follows:
the end of the limiting boss of the connecting cylinder is coaxially fixed in the circular mounting hole of the water tank shell by welding, and the connecting cylinder and the water tank shell form an integral structure; the integrated structure is coaxially arranged outside the shaft, and the open end of the water tank shell is arranged on the bearing mounting structure; a cavity formed between the water tank shell and the shaft is a water storage cavity; an annular mounting cavity is formed between the connecting cylinder and the shaft; the sealing packing is arranged in the annular mounting cavity;
the pressing cover is coaxially arranged outside the shaft, a connecting flange C at one end of the pressing cover is connected with a connecting flange B of the connecting cylinder through a bolt, so that the other end of the pressing cover extends into the annular cavity and presses the sealing filler on a limiting boss of the connecting cylinder, and meanwhile, the pressed sealing filler is tightly attached to the outer circumferential surface of the shaft to form dynamic sealing between the water tank shell and the shaft.
Further, a connecting flange A is integrally welded at the opening end of the water tank shell; the water tank shell is installed on the bearing installation structure through the connecting flange A.
Furthermore, a rubber gasket is arranged between the connecting flange A of the water tank shell and the bearing mounting structure.
Furthermore, adjusting gaskets are arranged at two ends of the sealing filler, one adjusting gasket is positioned between one end of the sealing filler and the limiting boss connected with the cylinder, and the other adjusting gasket is positioned between the other end of the sealing filler and the end face of the pressing cover.
Furthermore, a water inlet and a water outlet are arranged on the water tank shell.
Furthermore, a water inlet and a water outlet are arranged on the water tank shell.
Further, the shaft is in a horizontal state when in operation, the water inlet of the water tank shell is positioned above the shaft, and the water outlet of the water tank shell is positioned below the shaft.
Further, the shaft is in a horizontal state when in operation, the water inlet of the water tank shell is positioned above the shaft, and the water outlet of the water tank shell is positioned below the shaft.
Has the advantages that:
(1) when a land test is carried out on a ship shafting, the water tank shell can store water, so that the stored water in the water tank shell can enter a gap between the water-lubricated rubber bearing and the shaft, a water immersion environment is provided for the water-lubricated rubber bearing, a lubricating water film of the water-lubricated rubber bearing is established, and the water-lubricated bearing has the characteristics of good cooling performance, good sealing performance, convenience in installation and the like.
(2) The water tank shell is connected with the bearing mounting structure through bolts, and a rubber gasket is additionally arranged in the middle for sealing the water tank shell; the dynamic seal between the connecting cylinder and the shaft adopts a bolt compression packing sealing form to seal the water tank shell, so that the cooling performance and the water tightness of the water supply device are improved, and the installation is convenient.
(3) According to the invention, the water tank shell above the shaft is provided with the water inlet and the water tank shell below the shaft is provided with the water outlet as required, so that water in the water tank shell can be supplemented and cooled conveniently.
Drawings
FIG. 1 is a view showing the constitution of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a view of the shaft in cooperation with a water lubricated rubber bearing;
FIG. 4 is a sectional view of the shaft in cooperation with a water lubricated rubber bearing;
the water tank comprises a rubber gasket 1, a fixing bolt 2, a water tank shell 3, a pressing cover 4, an adjusting gasket 5, a sealing filler 6, a pressing bolt 7, a connecting cylinder 8, a shaft 9, a bearing mounting structure 10, a water lubrication rubber bearing 11, a water inlet 12 and a water outlet 13.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a water-lubricated rubber bearing land water supply device, referring to the attached figure 1, comprising: the water tank sealing device comprises a rubber gasket 1, a fixing bolt 2, a water tank shell 3, a connecting cylinder 8, a pressing cover 4, an adjusting gasket 5, a sealing filler 6 and a pressing bolt 7;
referring to fig. 3-4, the water lubricated rubber bearing 11 is coaxially installed in the bearing installation structure 10, and the water lubricated rubber bearing 11 is coaxially sleeved outside the shaft 9; the land water supply device supplies water to a water filling gap between the water lubrication rubber bearing 11 and the shaft 9 so as to simulate the working state of the water lubrication rubber bearing 11 and the shaft 9 when the water lubrication rubber bearing 11 is soaked in water;
the water tank shell 3 is a cylindrical shell, one end of the water tank shell is open, a connecting flange A is welded at the open end of the water tank shell integrally, and a circular mounting hole is machined at the other end of the cylindrical shell;
one end of the connecting cylinder 11 is provided with an inward limiting boss, and the other end of the connecting cylinder is provided with a connecting flange B;
the pressing cover 4 is a cylinder, and a connecting flange C is processed at one end of the pressing cover;
the overall connection relationship is as follows:
the end of the connecting cylinder 11 where the limiting boss is located is coaxially fixed in a circular mounting hole of the water tank shell 3 through welding, and the connecting cylinder 11 and the water tank shell 3 form an integral structure; the integrated structure is coaxially arranged outside the shaft 9, and the connecting flange A of the water tank shell 3 is arranged on the bearing mounting structure 10 through the fixing bolt 2; a rubber gasket 1 for sealing is arranged between the connecting flange A of the water tank shell 3 and the bearing mounting structure 10; a cavity formed between the water tank shell 3 and the shaft 9 is a water storage cavity; an annular mounting cavity is formed between the connecting cylinder 11 and the shaft 9; the sealing packing 6 is arranged in the annular mounting cavity;
the pressing cover 4 is coaxially arranged outside the shaft 9, a connecting flange C at one end of the pressing cover 4 is connected with a connecting flange B of the connecting cylinder 11 through a pressing bolt 7, so that the other end of the pressing cover 4 extends into the annular cavity, the sealing filler 6 is pressed on a limiting boss of the connecting cylinder 11, and meanwhile, the pressed sealing filler 6 is tightly attached to the outer circumferential surface of the shaft 9 to form dynamic sealing between the water tank shell 3 and the shaft 9;
the two ends of the sealing filler 6 can be selectively provided with the adjusting gaskets 5, namely, one adjusting gasket 5 is positioned between one end of the sealing filler 6 and the limiting boss of the connecting cylinder 11, and the other adjusting gasket 5 is positioned between the other end of the sealing filler 6 and the end face of the pressing cover 4;
a water inlet 12 and a water outlet 13 are arranged on the water tank shell 9, and water is filled into the water storage cavity through the water inlet 12 during a shafting onshore test, so that a water filling gap between the water lubricating rubber bearing 11 and the shaft 9 is filled with water; wherein, referring to fig. 2, the shaft 9 is operated in a horizontal state, the inlet 12 of the cistern housing 9 is located above with respect to the shaft 9, and the outlet 13 of the cistern housing 9 is located below with respect to the shaft 9.
The specific assembly steps are as follows:
1) fixedly connecting the water tank shell 3 and the connecting cylinder 11 into a whole;
2) sleeving the fixedly connected water tank shell 3 and a connecting cylinder 11 on a shaft 9, and fixing the water tank shell 3 and a rubber gasket 1 on a bearing mounting structure 10 through a fixing bolt 2;
3) installing the packing 6 between the connecting cylinder 11 and the shaft 9, if necessary, adding adjusting gaskets 5 at both ends of the packing 6 to adjust the axial length of the packing 6;
4) the sealing packing 6 is pressed by the pressing cover 4 and the pressing bolt 7.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A water-lubricated rubber bearing land water supply device is characterized in that a water-lubricated rubber bearing (11) is coaxially mounted in a bearing mounting structure (10), and the water-lubricated rubber bearing (11) is coaxially sleeved outside a shaft (9);
characterized in that the land water supply device comprises: the water tank comprises a water tank shell (3), a connecting cylinder (8), a pressing cover (4) and sealing filler (6);
the water tank shell (3) is a cylindrical shell, one end of the water tank shell is open, and a circular mounting hole is formed in the other end of the water tank shell;
one end of the connecting cylinder (11) is provided with an inward limiting boss, and the other end of the connecting cylinder is provided with a connecting flange B;
the pressing cover (4) is a cylinder, and one end of the pressing cover is provided with a connecting flange C;
the overall connection relationship is as follows:
the end of the limiting boss of the connecting cylinder (11) is coaxially fixed in a circular mounting hole of the water tank shell (3) by welding, and the connecting cylinder (11) and the water tank shell (3) form an integral structure; the integrated structure is coaxially arranged outside the shaft (9), and the open end of the water tank shell (3) is arranged on the bearing mounting structure (10); a cavity formed between the water tank shell (3) and the shaft (9) is a water storage cavity; an annular mounting cavity is formed between the connecting cylinder (11) and the shaft (9); the sealing packing (6) is arranged in the annular mounting cavity;
the pressing cover (4) is coaxially arranged outside the shaft (9), a connecting flange C at one end of the pressing cover (4) is connected with a connecting flange B of the connecting cylinder (11) through a bolt, so that the other end of the pressing cover (4) extends into the annular cavity, the sealing filler (6) is pressed on a limiting boss of the connecting cylinder (11), and meanwhile, the pressed sealing filler (6) is tightly attached to the outer circumferential surface of the shaft (9) to form dynamic sealing between the water tank shell (3) and the shaft (9).
2. A water lubricated rubber bearing land water supply device as claimed in claim 1, wherein the open end of the water tank case (3) is integrally welded with a connection flange a; the water tank shell (3) is installed on the bearing installation structure (10) through the connecting flange A.
3. A water lubricated rubber bearing land water supply device as claimed in claim 2, wherein a rubber gasket (1) is installed between the connection flange a of the water tank housing (3) and the bearing mounting structure (10).
4. A water lubricated rubber bearing land water supply device as claimed in any one of claims 1 to 3, wherein both ends of the packing seal (6) are provided with adjusting shims (5), one adjusting shim (5) being located between one end of the packing seal (6) and the limit boss of the connecting cylinder (11), the other adjusting shim (5) being located between the other end of the packing seal (6) and the end face of the hold down cap (4).
5. A water lubricated rubber bearing land water supply as claimed in any one of claims 1 to 3 wherein the water tank housing (9) is provided with a water inlet (12) and a water outlet (13).
6. A water lubricated rubber bearing land water supply as claimed in claim 4 wherein the water tank housing (9) is provided with a water inlet (12) and a water outlet (13).
7. A water lubricated rubber-bearing land water supply as claimed in claim 5, wherein the shaft (9) is operated in a horizontal position, the water inlet (12) of the cistern housing (9) being located above relative to the shaft (9) and the water outlet (13) of the cistern housing (9) being located below relative to the shaft (9).
8. A water lubricated rubber-bearing land water supply as claimed in claim 6 wherein the shaft (9) is operated in a horizontal position, the water inlet (12) of the cistern housing (9) being located above relative to the shaft (9) and the water outlet (13) of the cistern housing (9) being located below relative to the shaft (9).
CN202111308586.4A 2021-11-05 2021-11-05 Water lubrication rubber bearing land water supply device Pending CN114183471A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111308586.4A CN114183471A (en) 2021-11-05 2021-11-05 Water lubrication rubber bearing land water supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111308586.4A CN114183471A (en) 2021-11-05 2021-11-05 Water lubrication rubber bearing land water supply device

Publications (1)

Publication Number Publication Date
CN114183471A true CN114183471A (en) 2022-03-15

Family

ID=80601877

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111308586.4A Pending CN114183471A (en) 2021-11-05 2021-11-05 Water lubrication rubber bearing land water supply device

Country Status (1)

Country Link
CN (1) CN114183471A (en)

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