CN102562784A - High-power high-speed sliding bearing - Google Patents
High-power high-speed sliding bearing Download PDFInfo
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- CN102562784A CN102562784A CN201210045105XA CN201210045105A CN102562784A CN 102562784 A CN102562784 A CN 102562784A CN 201210045105X A CN201210045105X A CN 201210045105XA CN 201210045105 A CN201210045105 A CN 201210045105A CN 102562784 A CN102562784 A CN 102562784A
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- bearing shell
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Abstract
The utility model discloses a high-power high-speed sliding bearing, and overcomes the defect in the conventional high-power high-speed sliding bearing that the lubricating oil carried by an oil slinger cannot enter the gap between a shaft and a bearing bush for lubrication. An oil baffle plate corresponding to an oil slinger and positioned on the inner side of the oil slinger is arranged on a lower bearing bush and on one side opposite to the rotation direction of a shaft, and lubricating oil carried to the shaft by the oil slinger when the shaft rotates is collected on the edge of the lower bearing bush after being blocked by the oil baffle plate when being thrown under the action of centrifugal force, and can well enter the gap between the shaft and the bearing bush for lubrication, so that the lubricating effect is improved; an axially extending oil wedge groove is formed at the abutting joint between the edges of the inner surfaces of an upper bearing bush and the lower bearing bush, and has the effect of guiding the collected lubricating oil to enter in the gap between the shaft and the bearing bush, so as to further improve the lubricating effect; and drain channels communicated with the oil wedge groove and an oil chamber are manufactured at two ends of the oil wedge groove, and the lubricating oil can enter the lubricating part from the oil wedge groove and then is drained through the drain tanks during the lubricating process, so as to form cycling regeneration.
Description
Technical field
The invention belongs to sliding bearing, specifically is that a kind of bearing load is big, the operation temperature rise is little, operating temperature short Large-power High-Speed sliding bearing stabilization time.
Background technique
The applicant's ZL201020576782.0 patent of invention discloses the technological scheme of a kind of " Large-power High-Speed sliding bearing ", and (notice of authorization number: CN201818650U), its top bearing shell, lower bearing are inserted into the location of realizing the two in the positioning hole of being located on the two mating face and by the bolt that passes the two mating face the two are connected the fastening bearing shell assembly that becomes by locating stud; Upper bearing (metal) body, lower bearing body by locating stud location and fastening by the bolt connection, are provided with the grease chamber in upper bearing (metal) body, the lower bearing body equally; The bearing shell assembled is in upper bearing (metal) body, lower bearing body and the internal diameter Spielpassung of the external diameter of top bearing shell and upper bearing (metal) body.So that when the bearing shell operating temperature is raise, can outwards expand; This bearing structure bearing load is big, the operation temperature rise is little, operating temperature is short stabilization time, and reliability is high; Secondly, adopt middle open type bearing shell structure, to guarantee the quick maintenance and the replacing of bearing shell.But the practical axle of finding of warp can be got rid of away because of the centrifugal force quilt by the lubricant oil that disc is carried on the axle when rotating, and can not well get between axle and the bearing shell to be lubricated, and lubrication effect is poor.
Summary of the invention
The technical problem that the present invention will solve and the technical assignment of proposition are to overcome lubricant oil that existing Large-power High-Speed sliding bearing carries up by disc can not well get between axle and the bearing shell and be lubricated the defective that causes the lubrication effect difference, and a kind of lubrication effect Large-power High-Speed sliding bearing preferably is provided.
For achieving the above object; Large-power High-Speed sliding bearing of the present invention; Comprise middle open type top bearing shell, lower bearing and middle open type upper bearing (metal) body, lower bearing body; Described top bearing shell, lower bearing are assembled into the bearing shell assembly, and described upper bearing (metal) body, lower bearing body are assembled together and in upper bearing (metal) body, lower bearing body, are provided with the grease chamber, and described bearing shell assembled is in described upper bearing (metal) body, lower bearing body; The internal surface of said top bearing shell along the circumferential direction offers groove; Configuration disc in the described groove, the internal diameter of said disc is greater than the internal diameter of said bearing shell assembly and make disc be enclosed within on the described lower bearing, and it is characterized in that: a side relative with turning to of axle established corresponding said disc and is positioned at the inboard oil baffle of said disc on the described lower bearing.
As the optimization technique measure, the upper end of said oil baffle is higher than the center of said bearing shell assembly.
As the optimization technique measure, the upper end of said oil baffle is centroclinal to said bearing shell assembly.
As the optimization technique measure, described lower bearing be provided with to said bearing shell assembly center near vertical tangent plane, described oil baffle is assemblied on the described vertical tangent plane.
As the optimization technique measure, edge butt joint place of described top bearing shell and lower bearing internal surface is shaped on axially extended oil film wedge groove.
As the optimization technique measure, the two ends of said oil film wedge groove are shaped on the discharge launder that is communicated with said oil film wedge groove and grease chamber, and the cross section of said discharge launder is less than the cross section of said oil film wedge groove.
As the optimization technique measure, described oil film wedge groove, discharge launder are that the edge at said top bearing shell, lower bearing internal surface makes to the inclined-plane that the external diameter direction tilts and forms.
As the optimization technique measure, the edge of said lower bearing internal surface is shaped on the lead-in groove that is communicated with said oil film wedge groove.
As the optimization technique measure, offer the radial hole that is communicated with said oil film wedge groove and grease chamber on the described top bearing shell.
As the optimization technique measure, offer with described groove and be positioned at the groove of dodging on the same cross section on the described lower bearing with on the external diameter of the joint of top bearing shell.
The present invention establishes corresponding disc through a side relative with turning to of axle on lower bearing and is positioned at the inboard oil baffle of disc; Making axle when rotating, be carried into lubricant oil on the axle by disc receives centrifugal action to receive stopping of oil baffle when getting rid of away and collects in the edge of lower bearing; Can be good at being lubricated between entering axle and the bearing shell, improve lubrication effect; Further, be shaped on axially extended oil film wedge groove, the lubricant oil that compiles played the effect of the slit water conservancy diversion between axle and bearing shell in edge butt joint place of top bearing shell and lower bearing internal surface; Further improve lubrication effect; Especially, the two ends of oil film wedge groove are shaped on the discharge launder that is communicated with oil film wedge groove and grease chamber, in the axle rotation process; Lubricant oil can get into the lubricant housings from the oil film wedge groove and discharge through discharge launder when being lubricated, form cycle and regeneration of mature.
Description of drawings
Fig. 1 be Large-power High-Speed sliding bearing of the present invention analyse and observe (axis along rotating shaft is cut open) structural representation.
Fig. 2 is the schematic representation of the assembly of bearing shell shown in Fig. 1.
Fig. 3 is the left view of bearing shell modular construction shown in Figure 2.
Fig. 4 is that the A-A of Fig. 2 is to cutaway view Amplified image.
Label declaration among the figure: 1-top bearing shell, 2-lower bearing, 3-upper bearing (metal) body, 4-lower bearing body, 5-locating stud, 6-positioning hole; The 7-bolt, 8-bearing shell assembly, the 9-grease chamber, 10-radially-directed pin, 11-is pin-and-hole radially, the 12-radial clearance; The 13-groove, 14-disc, 15-rotating shaft, 16-bush seat, 17-wearing layer, 18-oil baffle; The vertical tangent plane of 19-, 20-oil film wedge groove, the 21-discharge launder, the 22-lead-in groove, the 23-radial hole, 24-dodges groove.
Embodiment
Below in conjunction with Figure of description the present invention is further specified.
Large-power High-Speed sliding bearing of the present invention; As shown in Figure 1; It comprises middle open type top bearing shell 1, lower bearing 2 and middle open type upper bearing (metal) body 3, lower bearing body 4; Top bearing shell 1, lower bearing 2 are assembled into bearing shell assembly 8 and (realize the location of the two in the positioning hole of being located on the two mating face 6 and by the bolt that passes the two mating face 7 the two is connected the fastening bearing shell assembly 8 that becomes as being inserted into by locating stud 5; Referring to Fig. 3), upper bearing (metal) body 3, lower bearing body 4 are assembled together (being inserted in the positioning hole of being located on the two mating face the location of realizing the two and the two connection is fastening by the bolt that passes the two mating face by locating stud, referring to Fig. 2, Fig. 3) and in upper bearing (metal) body 3, lower bearing body 4, are provided with grease chamber 9; Bearing shell assembly 8 is assemblied in upper bearing (metal) body 3, the lower bearing body 4; The internal surface of top bearing shell 1 along the circumferential direction offers groove 13, configuration discs 14 in the groove 13, and the internal diameter of disc 14 is greater than the internal diameter of bearing shell assembly 8 and make disc 14 be enclosed within on the lower bearing 2; A side relative with turning to of axle established corresponding disc 14 and is positioned at the inboard oil baffle 18 of disc 14 (referring to Fig. 4, having expressed the direction of axle rotation among Fig. 4 with arrow) on the lower bearing 2.Make axle when rotating, be carried into lubricant oil on the axle and receive centrifugal action to receive stopping of oil baffle when getting rid of away and collect in the edge of lower bearing, can be good at getting into and be lubricated between axle and the bearing shell, improve lubrication effect by disc.
As further improving and replenishing to technique scheme; The present invention also comprises following additional technical characteristics; Though all additional technical features below having comprised among Fig. 1-4; Be preferred embodiment of the present invention, but the present invention is not limited to this situation, when embodiment of the present invention, they is selected for use on the described technological scheme of epimere according to concrete effect.
At first, referring to Fig. 4, the upper end of oil baffle 18 is higher than the center of bearing shell assembly 8, so that play preferable oil-blocking action.
Secondly, referring to Fig. 4, the upper end of oil baffle 18 is centroclinal to bearing shell assembly 8, can reduce the space that oil baffle occupies thus, avoids disc excessive, makes oil baffle near axle, the contacting point that will stop axle and bearing shell from the lubricant oil that axle throws away simultaneously.
The 3rd, referring to Fig. 4, lower bearing 2 be provided with to bearing shell assembly 8 centers near vertical tangent plane 19, oil baffle 18 is assemblied on the vertical tangent plane 19.Thus, can avoid disc excessive, will stop the contacting point of axle and bearing shell from the lubricant oil that axle throws away so that oil baffle near axle, reduces the space that oil baffle occupies.
The 4th, referring to Fig. 4, top bearing shell 1 is shaped on axially extended oil film wedge groove 20 with edge butt joint place of lower bearing 2 internal surfaces, and the lubricant oil that compiles is played the effect of the slit water conservancy diversion between axle and bearing shell, further improves lubrication effect.Further, the two ends of oil film wedge groove 20 are shaped on the discharge launder 21 that is communicated with oil film wedge groove 20 and grease chamber 9, in the axle rotation process; Lubricant oil can get into the lubricant housings from the oil film wedge groove and discharge through discharge launder when being lubricated, form cycle and regeneration of mature, especially; The cross section of discharge launder 21 is less than the cross section of oil film wedge groove 20; Avoid lubricant oil to run off fast, make lubricant oil keep enough pressure in the lubricant housings, guarantee lubrication effect from the lubricant housings.Concrete, oil film wedge groove 20, discharge launder 21 are that the edge at top bearing shell 1, lower bearing 2 internal surfaces makes to the inclined-plane that the external diameter direction tilts and forms, and are convenient to make.Moreover the edge of lower bearing 2 internal surfaces is shaped on the lead-in groove 22 that is communicated with oil film wedge groove 20, so that oil baffle is stopped and the lubricant oil that comes together in this imports oil film wedge groove 20.
The 5th, referring to Fig. 4, offer the radial hole 23 that is communicated with oil film wedge groove 20 and grease chamber 9 on the top bearing shell 1, can the lubricant oil that splash in the oilstone be guided to the lubricant housings through this radial hole 23.
The 6th, referring to Fig. 4, offer to be positioned at and dodge groove 24 on the same cross section on the lower bearing 2 with on the external diameter of the joint of top bearing shell 1 with groove 13, so that being positioned at this, the partial portion of disc dodges groove, avoid the disc diameter excessive.
In addition; The internal diameter Spielpassung of the external diameter of top bearing shell 1 and upper bearing (metal) body 3, when preventing bearing shell and bearing support with temperature expansion, bearing shell outwards expands pressurized and inwardly expands excessive; And; Adopt the fixed bearing shell structure of straight pin guiding, Bolt Connection,, go up lower bearing in the time of also can avoiding moving and separate to guarantee the quick maintenance and the replacing of bearing shell.Top bearing shell 1 is provided with radially-directed pin 10; Upper bearing (metal) body 3 is provided with radially pin-and-hole 11; Radially-directed pin 10 stretches in pin-and-hole 11 radially and is radially maintaining radial clearance 12 in the pin-and-hole 11; This structure both can guarantee bearing shell with rotating shaft 15 rotation, the bearing shell assembly temperature is raise after, the mobile guide that upwards expands is arranged.Moreover; In order to practice thrift manufacture cost and to make rational in infrastructure; Top bearing shell 1, lower bearing 2 constitute (general by bush seat 16 and the wearing layer of setting-in [the back centrifugal pressure casting is dissolved in bush seat in bush seat processing back (external diameter, end face etc. are roughing), bush material, fine finishing more afterwards] on bush seat 16; The cost of material of wearing layer is higher than the cost of material of bush seat, can reduce manufacture cost through bush seat 16 is set; And the material hardness of wearing layer and bush seat and expansion character etc. there are differences, and can make top bearing shell 1, lower bearing 2 reach preferable design performance through the two coupling).On upper bearing (metal) body, lower bearing body, dispose rotary seal, lubricating cup, oil ga(u)ge, ventilatively auxiliary spare part such as emit to realize sealing, observe what and equilibrium oil indoor and outdoor pressure of lubricant oil etc.
Claims (10)
1. Large-power High-Speed sliding bearing; Comprise middle open type top bearing shell (1), lower bearing (2) and middle open type upper bearing (metal) body (3), lower bearing body (4); Described top bearing shell (1), lower bearing (2) are assembled into bearing shell assembly (8); Described upper bearing (metal) body (3), lower bearing body (4) are assembled together and in upper bearing (metal) body (3), lower bearing body (4), are provided with grease chamber (9); Described bearing shell assembly (8) is assemblied in described upper bearing (metal) body (3), the lower bearing body (4); The internal surface of said top bearing shell (1) along the circumferential direction offers groove (13); Configuration disc (14) in the described groove (13), the internal diameter of said disc (14) is greater than the internal diameter of said bearing shell assembly (8) and make disc (14) be enclosed within on the described lower bearing (2), it is characterized in that: described lower bearing (2) is gone up and the turning to a relative side to establish corresponding said disc (14) and be positioned at the oil baffle (18) of said disc (14) inboard of axle.
2. Large-power High-Speed sliding bearing according to claim 1 is characterized in that: the upper end of said oil baffle (18) is higher than the center of said bearing shell assembly (8).
3. Large-power High-Speed sliding bearing according to claim 1 is characterized in that: the upper end of said oil baffle (18) is centroclinal to said bearing shell assembly (8).
4. Large-power High-Speed sliding bearing according to claim 1; It is characterized in that: described lower bearing (2) be provided with to said bearing shell assembly (8) center near vertical tangent plane (19), described oil baffle (18) is assemblied on the described vertical tangent plane (19).
5. Large-power High-Speed sliding bearing according to claim 1 is characterized in that: described top bearing shell (1) is shaped on axially extended oil film wedge groove (20) with edge butt joint place of lower bearing (2) internal surface.
6. Large-power High-Speed sliding bearing according to claim 5; It is characterized in that: the two ends of said oil film wedge groove (20) are shaped on the discharge launder (21) that is communicated with said oil film wedge groove (20) and grease chamber (9), and the cross section of said discharge launder (21) is less than the cross section of said oil film wedge groove (20).
7. Large-power High-Speed sliding bearing according to claim 6 is characterized in that: described oil film wedge groove (20), discharge launder (21) are that the edge at said top bearing shell (1), lower bearing (2) internal surface makes to the inclined-plane that the external diameter direction tilts and forms.
8. Large-power High-Speed sliding bearing according to claim 5 is characterized in that: the edge of said lower bearing (2) internal surface is shaped on the lead-in groove (22) that is communicated with said oil film wedge groove (20).
9. Large-power High-Speed sliding bearing according to claim 1 is characterized in that: offer the radial hole (23) that is communicated with said oil film wedge groove (20) and grease chamber (9) on the described top bearing shell (1).
10. Large-power High-Speed sliding bearing according to claim 1 is characterized in that: described lower bearing (2) go up and the external diameter of the joint of top bearing shell (1) on offer to be positioned at and dodge groove (24) on the same cross section with described groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210045105XA CN102562784A (en) | 2012-02-27 | 2012-02-27 | High-power high-speed sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210045105XA CN102562784A (en) | 2012-02-27 | 2012-02-27 | High-power high-speed sliding bearing |
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| Publication Number | Publication Date |
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| CN102562784A true CN102562784A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210045105XA Pending CN102562784A (en) | 2012-02-27 | 2012-02-27 | High-power high-speed sliding bearing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979817A (en) * | 2012-11-26 | 2013-03-20 | 大连三环复合材料技术开发有限公司 | Elastic metal-plastic bush and manufacturing method thereof |
| CN110185701A (en) * | 2019-05-31 | 2019-08-30 | 西安交通大学 | A kind of bush(ing) bearing with adaptive oil guard |
| CN114278670A (en) * | 2021-12-25 | 2022-04-05 | 上海水泵制造有限公司 | Split sliding bearing of boiler feed pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819063A (en) * | 1955-02-25 | 1959-08-26 | English Electric Co Ltd | Improvements in and relating to self-lubricating bearings |
| US4336970A (en) * | 1980-06-23 | 1982-06-29 | Vandervell Products Limited | Bearings |
| FR2557939A1 (en) * | 1984-01-09 | 1985-07-12 | Reliance Electric Co | BEARING LUBRICATION DEVICE |
| JPH071332U (en) * | 1993-06-08 | 1995-01-10 | 三菱重工業株式会社 | Self-contained bearing device |
| CN201802752U (en) * | 2010-08-26 | 2011-04-20 | 大连三环复合材料技术开发有限公司 | Three-way combined self-lubricating sliding spindle bearing of wind turbine |
| CN201818650U (en) * | 2010-10-26 | 2011-05-04 | 浙江佳力科技股份有限公司 | High-power high-speed slide bearing |
| CN202418235U (en) * | 2012-02-27 | 2012-09-05 | 浙江佳力科技股份有限公司 | High-power high-speed sliding bearing |
-
2012
- 2012-02-27 CN CN201210045105XA patent/CN102562784A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819063A (en) * | 1955-02-25 | 1959-08-26 | English Electric Co Ltd | Improvements in and relating to self-lubricating bearings |
| US4336970A (en) * | 1980-06-23 | 1982-06-29 | Vandervell Products Limited | Bearings |
| FR2557939A1 (en) * | 1984-01-09 | 1985-07-12 | Reliance Electric Co | BEARING LUBRICATION DEVICE |
| JPH071332U (en) * | 1993-06-08 | 1995-01-10 | 三菱重工業株式会社 | Self-contained bearing device |
| CN201802752U (en) * | 2010-08-26 | 2011-04-20 | 大连三环复合材料技术开发有限公司 | Three-way combined self-lubricating sliding spindle bearing of wind turbine |
| CN201818650U (en) * | 2010-10-26 | 2011-05-04 | 浙江佳力科技股份有限公司 | High-power high-speed slide bearing |
| CN202418235U (en) * | 2012-02-27 | 2012-09-05 | 浙江佳力科技股份有限公司 | High-power high-speed sliding bearing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979817A (en) * | 2012-11-26 | 2013-03-20 | 大连三环复合材料技术开发有限公司 | Elastic metal-plastic bush and manufacturing method thereof |
| CN102979817B (en) * | 2012-11-26 | 2016-01-13 | 大连三环复合材料技术开发有限公司 | Elastic metal plastic tile and manufacture method thereof |
| CN110185701A (en) * | 2019-05-31 | 2019-08-30 | 西安交通大学 | A kind of bush(ing) bearing with adaptive oil guard |
| CN114278670A (en) * | 2021-12-25 | 2022-04-05 | 上海水泵制造有限公司 | Split sliding bearing of boiler feed pump |
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Application publication date: 20120711 |