CN105485170A - Plain bearing bush insulation structure, bearing bush and manufacturing technology of bearing bush - Google Patents
Plain bearing bush insulation structure, bearing bush and manufacturing technology of bearing bush Download PDFInfo
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- CN105485170A CN105485170A CN201510832127.4A CN201510832127A CN105485170A CN 105485170 A CN105485170 A CN 105485170A CN 201510832127 A CN201510832127 A CN 201510832127A CN 105485170 A CN105485170 A CN 105485170A
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- Prior art keywords
- bearing shell
- bearing bush
- bearing
- glass fiber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/121—Use of special materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/122—Multilayer structures of sleeves, washers or liners
- F16C33/125—Details of bearing layers, i.e. the lining
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/18—Sliding surface consisting mainly of wood or fibrous material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/30—Electric properties; Magnetic properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/06—Shaping by casting in situ casting or moulding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/28—Shaping by winding impregnated fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/02—Mechanical treatment, e.g. finishing
- F16C2223/08—Mechanical treatment, e.g. finishing shot-peening, blasting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a plain bearing bush insulation structure, a bearing bush and a manufacturing technology of the bearing bush. According to the technical scheme of the bearing bush and the manufacturing technology of the bearing bush, the bearing bush insulation structure with a babbitt metal layer poured is included; a V-shaped groove is further included; or, a fiber glass filament layer of 1 mm to 2 mm is arranged.; or, a teflon layer is arranged on the outer surface of the fiber glass filament layer; or, a primary fiber structure is composed of a plurality of secondary fiber structures, and a plurality of stacked filter base layers are included. The defects that a traditional insulation bearing is isolated from a bearing bush through teflon film pasting to cut off a shaft current path, consequently, an insulation film is quite prone to being damaged in the mounting and maintaining process, the repair technology adopted after damage is quite complex, a dedicated tool is needed, and consequently, maintaining difficulty, equipment scraping and the like are caused are overcome. The plain bearing bush insulation structure, the bearing bush and the manufacturing technology of the bearing bush are suitable for insulation plain bearing bushes adopted in various projects, and especially suitable for insulation of plain bearing bushes of matched large rotary machines in the industries such as mines, electric power, coal mines, metallurgy, traffic, chemical engineering, water conservancy, machine tools and chips.
Description
Technical field
The present invention relates to motor sliding bearing field, particularly relate to the preparation process of a kind of plain bearing bush insulation system, bearing shell and bearing shell.
Background technique
Sliding bearing is the key components and parts of large rotating machinery, and its Main Function is support rotor and impost, bears radial direction, thrust load, ensures system stable operation.For preventing shaft current from causing electro erosion to babbit-lined metal, insulation bearing need be made in wherein one end by motor sliding bearing usually.Common insulation processing is as shown in JB/T5888-2005, it pastes polytetrafluoroethylene film by ball in bearing support and bearing shell is isolated, thus cut-out path of shaft current, but this structural insulation film very easily damages in installation and maintenance process, renovation technique after damage is also quite complicated, need special tooling, cause great inconvenience.Therefore bearing shell more reliably insulation mode be that we need the problem of solution badly.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art and the preparation process of a kind of plain bearing bush insulation system, bearing shell and bearing shell is provided; This plain bearing bush insulation system is the bearing shell insulation that reliability is high, and original pedestal bearing insulation is changed to bearing shell insulation by this insulation system, thus it is simple, compact to reach both structures, scientific and reasonable; Preparation process is easy again, with short production cycle, and cost of production is low, easy to maintenance, and equipment security of operation, working life extend; A difficult problem, the very easily penetration and promotion such as can also effectively avoid insulation system fragile.
For achieving the above object, a kind of plain bearing bush insulation system provided by the invention, comprising:
Build the bearing alloy of Babbitt, be located at bearing shell unbaked tile above described bearing alloy, wherein,
Outer surface through the described bearing shell unbaked tile back that shot blast is crossed also is provided with glass fiber layer;
The outer surface of described bearing shell unbaked tile also on offer that some complementations interlock there is the annular groove strengthening connection function.
Preferably, described annular groove is v-depression.
Preferably, the thickness of described glass fiber layer is 1 millimeter to 2 millimeters.
Preferably, the outer surface of described glass fiber layer is also provided with Teflon layer.
Preferably, described glass fiber layer is made up of several stacked fibrous base layers, and fibrous base layers described in each forms by several described high fiber structure is crisscross, higher structure described in each by several secondary fiber Structure composing,
Wherein,
Described high fiber structure comprises the α helical structure be wound in by secondary fiber structure;
Described secondary fiber structure comprises and is wound in antiparallel double-spiral structure by glass fiber or is wound in triple helix structure.
The present invention also provides a technological scheme, and as a kind of bearing shell, this bearing shell adopts the plain bearing bush insulation system as above described in any one.
The present invention also provides a technological scheme, comprises the steps for the preparation process of above-mentioned bearing shell as a kind of,
Steps A, building Babbitt becomes babbit layer, and arranges a bearing shell unbaked tile thereon, and some annular grooves processed by bearing shell unbaked tile;
Step B, carries out shot blast at the back of bearing shell unbaked tile;
Step C, lays the glass fiber layer of Wet Winding Process at the back of to carry out the bearing shell unbaked tile that shot blast is crossed;
Step D, sinters whole bearing shell in a vacuum sintering furnace, and control temperature scope is 120 DEG C≤temperature≤150 DEG C;
Step e, cools with stove naturally by bearing shell;
Step F, opens vacuum sintering furnace and obtains bearing shell finished product.
Preferably, described steps A is specially steps A 1, and the cross section of annular groove is ' V ' shape or ' recessed ' shape;
Described step C is specially step C1, described glass fiber layer comprises several stacked fibrous base layers and forms, and fibrous base layers described in each forms by several described high fiber structure is crisscross, and higher structure described in each is by several secondary fiber Structure composing, wherein
Described high fiber structure comprises the α helical structure be wound in by secondary fiber structure; Described secondary fiber structure comprises and is wound in antiparallel double-spiral structure by glass fiber or is wound in triple helix structure;
Described step D is specifically divided into step D1, step D2, step D3 tri-sub-steps, wherein,
Step D1, sinters whole bearing shell in a vacuum sintering furnace, by temperature increase to 120 DEG C≤temperature≤150 DEG C;
Step D2, holding temperature is at 120 DEG C≤temperature <150 DEG C;
Step D3, holding temperature is at 150 DEG C ± 0.1 °.
Preferably, after described step e, before step F, be also provided with step e 1, and the step e 3 after being positioned at step e 1, before step F, wherein,
Step e 1, at the outer surface spraying Teflon layer of described glass fiber layer, high temperature oven toasts;
Step e 3, is provided with peelable release wrapper at Teflon layer outer surface.
Preferably, between described step e 1 and step e 3, be also provided with step e 2, wherein,
Step e 2, at the outer surface spraying of wearable coating of Teflon layer, its thickness is 0.01 millimeter to 1 millimeter.
The preparation process of a kind of plain bearing bush insulation system of the present invention, bearing shell and bearing shell, comprises the bearing shell insulation system of the bearing alloy of building Babbitt; Also comprise and establish v-depression; Or establish 1 millimeter to 2 millimeters glass fiber layer; Or the appearance of glass fiber layer establishes Teflon layer; Or by several secondary fiber Structure composing high fiber structure and there is the technological scheme of the preparation process of bearing shell that several stacked fibrous base layers forms and bearing shell.Which overcoming conventional insulator bearing adopts stickup polytetrafluoroethylene film and bearing shell to isolate, and realizes cutting off path of shaft current; Cause insulation film installation and maintenance process in very easily impaired, and damage after renovation technique quite complicated, need special tooling, thus cause the defect such as maintenance difficult, equipment scrapping.
The invention has the beneficial effects as follows: the preparation process that the invention provides a kind of plain bearing bush insulation system, bearing shell and bearing shell, original pedestal bearing insulation is improved to bearing shell insulation by it, make it have insulating property high and run the preparation process of bearing shell insulation system, bearing shell and bearing shell extremely reliably, achieve both structures simple, compact; Scientific and reasonable again; And preparation process is easy, with short production cycle, cost of production is low, and manufacturing efficiency is high, easy to maintenance, and supporting equipment operates steadily, safety, and working life extends; Also effectively prevent the difficult problems such as insulation system easily damages, very easily penetration and promotion.
The present invention is applicable to the insulation of the supporting plain bearing bushs such as each hydraulic power unit in engineering, hydraulic push rod, gate valve, engineering oil cylinder, hydraulic rotary device, discharge gate, threeway funnel, tripper, discharger, guillotine shear, bender; Be particularly suitable for mine, electric power, colliery, metallurgy, traffic, chemical industry, water conservancy, the insulation of the plain bearing bush of the large rotating machinery that the industry such as lathe, boats and ships is supporting.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the preparation process of a kind of plain bearing bush insulation system of the present invention, bearing shell and bearing shell;
Fig. 2 is embodiment's block diagram of bearing shell preparation process of the present invention;
Fig. 3 is another embodiment's partial block diagram of bearing shell preparation process of the present invention;
Fig. 4 is another embodiment's partial block diagram of bearing shell preparation process of the present invention;
Fig. 5 is the 4th embodiment's partial block diagram of bearing shell preparation process of the present invention;
Reference character:
10, bearing alloy; 20, bearing shell unbaked tile; 30, glass fiber layer; 40, groove;
50, steps A;
501, steps A 1;
51, step B;
52, step C;
53, step D;
531, step D1;
532, step D2;
533, step D3;
54, step e;
541, step e 1;
542, step e 2;
543, step e 3;
55, step F.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
It is the overall structure schematic diagram of the preparation process of a kind of plain bearing bush insulation system of the present invention, bearing shell and bearing shell referring to figs. 1 through Fig. 5, Fig. 1; Fig. 2 is embodiment's block diagram of bearing shell preparation process of the present invention; Fig. 3 is another embodiment's partial block diagram of bearing shell preparation process of the present invention; Fig. 4 is another embodiment's partial block diagram of bearing shell preparation process of the present invention; Fig. 5 is the 4th embodiment's partial block diagram of bearing shell preparation process of the present invention.
As Fig. 1, a kind of plain bearing bush insulation system provided by the invention, comprise build Babbitt bearing alloy 10, be located at bearing shell unbaked tile 20 above described bearing alloy 10, wherein, the outer surface through described bearing shell unbaked tile 20 back that shot blast is crossed also is provided with glass fiber layer 30; The outer surface of described bearing shell unbaked tile 20 also on offer that some complementations interlock there is the annular groove strengthening connection function.
Preferably, described annular groove is v-depression 40.
Preferably, the thickness of described glass fiber layer 30 is 1 millimeter to 2 millimeters.
Preferably, the outer surface of described glass fiber layer 30 is also provided with Teflon layer.
As one embodiment of the present of invention, described glass fiber layer 30 is made up of some stacked fibrous base layers, fibrous base layers described in each forms by several described high fiber structure is crisscross, higher structure described in each is by several secondary fiber Structure composing, wherein, several described high fiber structure comprises the α helical structure be wound in by described secondary fiber structure; Described secondary fiber structure comprises and is wound in antiparallel double-spiral structure by glass fiber or is wound in triple helix structure.Achieve insulation effect better, wear resistance is better.
The present invention also provides a technological scheme, and as a kind of bearing shell, this bearing shell adopts the plain bearing bush insulation system as above described in any one.
The present invention also provides a technological scheme, and comprise the steps for the preparation process of above-mentioned bearing shell as a kind of, steps A 50, building Babbitt becomes babbit layer, and arranges a bearing shell unbaked tile 20 thereon, and some annular grooves processed by bearing shell unbaked tile 20; Step B51, carries out shot blast at the back of bearing shell unbaked tile 20; Step C52, lays the glass fiber layer 30 of Wet Winding Process at the back of to carry out the bearing shell unbaked tile 20 that shot blast is crossed; Step D53, sinters whole bearing shell in a vacuum sintering furnace, and control temperature scope is 120 DEG C≤temperature≤150 DEG C; Step e 54, cools with stove naturally by bearing shell; Step F, opens vacuum sintering furnace and obtains bearing shell finished product.
As one embodiment of the present of invention, described steps A 50 is specially steps A 1501, and the cross section of annular groove is ' V ' shape or ' recessed ' shape; Described step C52 is specially step C1521, described glass fiber layer 30 comprises some stacked fibrous base layers and forms, fibrous base layers described in each forms by several described high fiber structure is crisscross, higher structure described in each is by several secondary fiber Structure composing, wherein, described high fiber structure comprises the α helical structure be wound in by described secondary fiber structure; Described secondary fiber structure comprises and is wound in antiparallel double-spiral structure by glass fiber or is wound in triple helix structure.Described step D53 is specifically divided into step D1531, step D1532, step D1533 tri-sub-steps, and wherein, step D1531, sinters whole bearing shell in a vacuum sintering furnace, by temperature increase to 120 DEG C≤temperature≤150 DEG C; Step D1532, holding temperature is at 120 DEG C≤temperature <150 DEG C; Step D1533, holding temperature is at 150 DEG C ± 0.1 °.
As one embodiment of the present of invention, after described step e 54, before step F, be also provided with step e 1541, and the step e 1543 after being positioned at step e 1541, before step F, wherein, step e 1541, at the outer surface spraying Teflon layer of described glass fiber layer 30, high temperature oven toasts; Step e 1543, is provided with peelable release wrapper at Teflon layer outer surface.
As one embodiment of the present of invention, be also provided with step e 1542 between described step e 1541 and step e 1543, wherein, step e 1542, at the outer surface spraying of wearable coating of Teflon layer, its thickness is 0.01 millimeter to 1 millimeter.
In sum, the invention provides the bearing insulation structure that a kind of structure is simple, reliability is high, original pedestal bearing insulation is changed to bearing shell insulation by this insulation system, thus reaches the object of simplified structure, raising reliability.Patent of the present invention has the advantage that structure is simple, reliability is high, effectively prevent the flimsy problem of original insulation system.Good stability of the present invention, reliability is high, easy for operation, novel and practical, this insulation system is not easy to damage in installation and maintenance process, wear resistance strengthens, and provides the preparation process of the insulation of a kind of bearing shell more reliably and bearing shell, solves the technical problem that people are urgently to be resolved hurrily.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (10)
1. a plain bearing bush insulation system, is characterized in that, comprising:
Build the bearing alloy of Babbitt, be located at bearing shell unbaked tile above described bearing alloy, wherein,
Outer surface through the described bearing shell unbaked tile back that shot blast is crossed also is provided with glass fiber layer;
The outer surface of described bearing shell unbaked tile is also offered the annular groove with enhancing connection function that some complementations interlock.
2. plain bearing bush insulation system according to claim 1, is characterized in that, described annular groove is v-depression.
3. plain bearing bush insulation system according to claim 1, is characterized in that, the thickness of described glass fiber layer is 1 millimeter to 2 millimeters.
4. plain bearing bush insulation system according to claim 1, is characterized in that, the outer surface of described glass fiber layer is also provided with Teflon layer.
5. plain bearing bush insulation system according to claim 1, it is characterized in that, described glass fiber layer is made up of several stacked fibrous base layers, fibrous base layers described in each forms by several described high fiber structure is crisscross, higher structure described in each is by several secondary fiber Structure composing
Wherein,
Described high fiber structure comprises the α helical structure be wound in by secondary fiber structure;
Described secondary fiber structure comprises and is wound in antiparallel double-spiral structure by glass fiber or is wound in triple helix structure.
6. a bearing shell, is characterized in that, bearing shell adopts the plain bearing bush insulation system as described in any one of claim 1 to 5.
7. for a preparation process for bearing shell described in claim 6, it is characterized in that, comprise the steps,
Steps A, building Babbitt becomes babbit layer, and arranges a bearing shell unbaked tile thereon, and some annular grooves processed by bearing shell unbaked tile;
Step B, carries out shot blast at the back of bearing shell unbaked tile;
Step C, lays the glass fiber layer of Wet Winding Process at the back of to carry out the bearing shell unbaked tile that shot blast is crossed;
Step D, sinters whole bearing shell in a vacuum sintering furnace, and control temperature scope is 120 DEG C≤temperature≤150 DEG C;
Step e, cools with stove naturally by bearing shell;
Step F, opens vacuum sintering furnace and obtains bearing shell finished product.
8. the preparation process of bearing shell according to claim 7, is characterized in that,
Described steps A is specially steps A 1, and the cross section of annular groove is ' V ' shape or ' recessed ' shape;
Described step C is specially step C1, described glass fiber layer comprises several stacked fibrous base layers and forms, fibrous base layers described in each forms by several described high fiber structure is crisscross, higher structure described in each is by several secondary fiber Structure composing, wherein, described high fiber structure comprises the α helical structure be wound in by secondary fiber structure; Described secondary fiber structure comprises and is wound in antiparallel double-spiral structure by glass fiber or is wound in triple helix structure;
Described step D is specifically divided into step D1, step D2, step D3 tri-sub-steps, wherein,
Step D1, sinters whole bearing shell in a vacuum sintering furnace, by temperature increase to 120 DEG C≤temperature≤150 DEG C;
Step D2, holding temperature is at 120 DEG C≤temperature <150 DEG C;
Step D3, holding temperature is at 150 DEG C ± 0.1 °.
9. the preparation process of bearing shell according to claim 8, is characterized in that,
Step e 1 is also provided with after described step e, before step F, and the step e 3 after being positioned at step e 1, before step F, wherein,
Step e 1, at the outer surface spraying Teflon layer of described glass fiber layer, high temperature oven toasts;
Step e 3, is provided with peelable release wrapper at Teflon layer outer surface.
10. the preparation process of bearing shell according to claim 9, is characterized in that, be also provided with step e 2 between described step e 1 and step e 3, wherein,
Step e 2, at the outer surface spraying of wearable coating of Teflon layer, its thickness is 0.01 millimeter to 1 millimeter.
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| CN201510832127.4A CN105485170A (en) | 2015-11-25 | 2015-11-25 | Plain bearing bush insulation structure, bearing bush and manufacturing technology of bearing bush |
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| CN201510832127.4A CN105485170A (en) | 2015-11-25 | 2015-11-25 | Plain bearing bush insulation structure, bearing bush and manufacturing technology of bearing bush |
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| CN105485170A true CN105485170A (en) | 2016-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755704A (en) * | 2017-10-13 | 2018-03-06 | 烟台大丰轴瓦有限责任公司 | A kind of preparation technology of copper-based bearing shell |
| CN111224523A (en) * | 2020-02-28 | 2020-06-02 | 河北瑞兆激光再制造技术股份有限公司 | Insulation pad fixing method for remanufacturing sliding bearing seat of motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107755704A (en) * | 2017-10-13 | 2018-03-06 | 烟台大丰轴瓦有限责任公司 | A kind of preparation technology of copper-based bearing shell |
| CN111224523A (en) * | 2020-02-28 | 2020-06-02 | 河北瑞兆激光再制造技术股份有限公司 | Insulation pad fixing method for remanufacturing sliding bearing seat of motor |
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Application publication date: 20160413 |