CN1455125A - High strength channel axle bush - Google Patents

High strength channel axle bush Download PDF

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Publication number
CN1455125A
CN1455125A CN 03113799 CN03113799A CN1455125A CN 1455125 A CN1455125 A CN 1455125A CN 03113799 CN03113799 CN 03113799 CN 03113799 A CN03113799 A CN 03113799A CN 1455125 A CN1455125 A CN 1455125A
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CN
China
Prior art keywords
base layer
groove
alloy
lubriation material
layer
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CN 03113799
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Chinese (zh)
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CN1204350C (en
Inventor
刘会学
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GUANGZHOU ANDA PRECISION INDUSTRY CO LTD
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Individual
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Publication of CN1455125A publication Critical patent/CN1455125A/en
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Publication of CN1204350C publication Critical patent/CN1204350C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The high-strength groove bush comprises steel back, base layer, the described base layer is set on the steel back, on said base layer the recessed grooves are cut, and base layer portion between two adjacent recessed grooves is made into the form of projected shoulder, and on the inner wall of the described recessed groove a layer of nickel grid is plated. The interior of the recessed groove plated with nickel grid is filled with four-component alloy lubricating material, said lubricating material is levelled with the projected shoulder, and the lubricating material and the projected shoulder are electroplated with metal membrane or alloy membrane anticorrosive antifriction layer, so that said bush has good corrosion-resistance, strong seizure resistance and high fatigue resistance.

Description

High-Intensity Slotted Bearing
Technical field
The present invention relates to a kind of bearing shell, relate in particular to a kind of flute profile bearing shell.
Background technique
The latter stage fifties, along with diesel engine at a high speed, carry direction by force and develop, the copper lead alloy bearing shell obtains use more and more widely, and barrier that the base layer that the back sheet that the copper lead alloy bearing shell is formed from steel on structural type, copper lead alloy are made, nickel are made and antifriction layer are formed.Compare with the white metal bearing shell, it has improved fatigue resistance and wear resistance greatly, but embedding Tibetan property is relatively poor relatively.In order to satisfy the requirement that diesel engine is continually strengthened, Chinese patent authorization notification number CN1007080B, authorize the March 7 nineteen ninety day for announcing, the name of innovation and creation is called " plain bearing element of band non-homogeneous antifriction layer ", a kind of flute profile bearing shell is disclosed, this flute profile bearing shell comprises a back sheet that is formed from steel and a base layer that is made of copper lead alloy or aluminum alloy on structural type, base layer is arranged on the back sheet, the fluted structure of base layer, inwall at groove plates one deck nickel blocking layer, a kind of soft lubriation material of filling in the groove, the hardness of the alloy of base layer and the lubriation material of filling groove is mutually different, the Babbitt metal filling of lubriation material in the groove is disclosed in the embodiment of this patent, preferably lead-tin-copper alloy.The lubriation material of the flute profile bearing shell that existing rice (Miba) company of clinging to produces adopts slicker solder copper (PbSnCu) ternary alloy.This bearing shell can satisfy the basic demand of bearing shell on a kind of degree, but be applied on the reinforcement internal-combustion engine of Motor Vehicle, the corrosion resistance and the seizure resistance of this bearing shell are not enough, and the fatigue strength of the lubriation material in the groove is lower simultaneously, can not satisfy the more requirement of highly anti-fatigue intensity.
Summary of the invention
The objective of the invention is to: provide a kind of and have good corrosion resistance, seizure resistance is strong, the High-Intensity Slotted Bearing that fatigue resistance is high.
The object of the present invention is achieved like this: a kind of High-Intensity Slotted Bearing, comprise the base layer that steel backing and copper base alloy or acieral are made, base layer is arranged on the steel backing, have groove on the base layer, base layer between two adjacent grooves partly is a convex shoulder, and the groove inwall plates one deck nickel grid, is coated with the interior quaternary alloy lubriation material of filling of groove of nickel grid, lubriation material in the groove flushes with convex shoulder, plates the anti-corrosion wear-reduced layer of one deck at lubriation material and convex shoulder.
Described lubriation material is any in Pb-Sn-Cu-In (PbSnCuIn), Pb-Sn-Cu-Ag (PbSnCuAg) or Pb-Sn-Cu-Sb (PbSnCuSb) quaternary alloy.
Described anti-corrosion wear-reduced layer material be in tin (Sn), silver (Ag) or indium (In) metal any, any in perhaps silver-colored tin (AgSn), silver-colored indium (AgIn), indium tin (InSn) or silver-colored tin indium (AgSnIn) alloy.
Owing to covered the very thin anti-corrosion wear-reduced layer of one deck on the convex shoulder, stoped the corrosion of machine oil, and improved seizure resistance widely to base layer.The slicker solder copper ternary alloy of existing flute profile bearing shell is as lubriation material, its fatigue strength is (test of sapphire fatigue test board) about 63MPa, by adopting quaternary alloy as lubriation material, its fatigue strength is brought up to 105MPa above (test of sapphire fatigue test board), lubriation material fatigue strength is improved, thereby has improved the fatigue resistance of bearing shell greatly.
Description of drawings
Fig. 1 is a structural drawing of the present invention;
Among the figure: 1-steel backing, 2-base layer, 3-groove, 4-convex shoulder, 5-nickel grid, 6-lubriation material, 7-anti-corrosion wear-reduced layer
Embodiment
Below in conjunction with the drawings and specific embodiments explanation the present invention.
As shown in Figure 1, the structural type of a kind of High-Intensity Slotted Bearing of the present invention, comprise steel backing 1 and base layer 2, base layer 2 is arranged on the steel backing 1, have groove 3 on the base layer 2, the base layer that two adjacent grooves are 3 partly is a convex shoulder 4, groove 3 inwalls plate one deck nickel grid, to prevent forming compound phase between brittle metal at base layer under the operating temperature, be coated with the groove 3 interior packing lubrication materials 6 of nickel grid, lubriation material 6 in the described groove 3 flushes with convex shoulder 4, plates anti-corrosion wear-reduced layer 7 at lubriation material 6 and convex shoulder 4.Described base layer 2 can adopt copper base alloy (as copper lead alloy) or acieral, copper base alloy can be used as base layer 2 by the casting or be sintered on the steel backing 1, acieral as base layer 2 by being rolled down on the steel backing 1.
Described lubriation material 6 is a kind of in Pb-Sn-Cu-In (PbSnCuIn), Pb-Sn-Cu-Ag (PbSnCuAg) or Pb-Sn-Cu-Sb (PbSnCuSb) quaternary alloy.
The material of described anti-corrosion wear-reduced layer 7 can be a kind of in tin (Sn), silver (Ag), indium (In) metal, in perhaps silver-colored tin (AgSn), silver-colored indium (AgIn), indium tin (InSn) or silver-colored tin indium (AgSnIn) alloy any.
Groove 3 on the described base layer 2 promptly along the circumferential direction extends outward twist.Groove 3 also can also adopt latticed by forming with the concentric circumference of bearing vertical center line.The disconnected cross sections of groove 3 for down narrow wide trapezoidal, semicircle or half elliptic.
Embodiment 1-21:
Structural type such as Fig. 1 of embodiment 1-21 flute profile bearing shell, wherein the material of the material of steel backing 1 employing steel, base layer 2 is copper lead alloy or acieral, the material of anti-corrosion wear-reduced layer 7 can be a kind of in Sn, Ag, the In metal, and any alloy, lubriation material adopt quaternary alloy among AgSn, AgIn, InSn or the AgSnIn.
Comparative example is the certified products flute profile bearing shell of rice crust (Miba) company, wherein the employing PbSnCu ternary alloy of lubriation material.
The anti-corrosion wear-reduced layer of table 1 is a metal
Embodiment 1-3 Embodiment 4-6 Embodiment 7-9 Comparative example
Lubriation material (alloy) ???PbSnCuIn ?PbSnCuAg ?PbSnCuSb ?PbSnCu
Anti-corrosion wear-reduced layer Any metal among Ag, In, the Sn
The fatigue strength of lubriation material (MPa) More than 105 More than 105 More than 105 ?63
The corrosion resistance of lubriation material Good Good Good Difference
The corrosion resistance of bearing shell Good Good Good Difference
The seizure resistance of bearing shell Good Good Good Difference
The anti-corrosion wear-reduced layer of table 2 is an alloy
Embodiment 10-13 Embodiment 14-17 Embodiment 18-21 Comparative example
Lubriation material (alloy) ??PbSnCuIn ??PbSnCuAg ??PbSnCuSb ?PbSnCu
Anti-corrosion wear-reduced layer Any alloy among AgSn, AgIn, InSn or the AgSnIn
The fatigue strength of lubriation material (MPa) More than 105 More than 105 More than 105 ?63
The corrosion resistance of lubriation material Good Good Good Difference
The corrosion resistance of bearing shell Good Good Good Difference
The seizure resistance of bearing shell Good Good Good Difference
The fatigue strength of lubriation material adopts " sapphire fatigue test board " test among the table 1-2.The lubriation material of filling in the flute profile bearing shell of the present invention of Pb-Sn-Cu-In (PbSnCuIn), Pb-Sn-Cu-Ag (PbSnCuAg) and the conduct of Pb-Sn-Cu-Sb (PbSnCuSb) quaternary alloy, when fatigue strength was tested at 105Mpa, product was normal.
Corrosion resistance adopts " medicinal white oils " test among the table 1-2, and the corrosion resistance of quaternary alloy lubriation material of the present invention is the good corrosion resistance of the ternary alloy lubriation material of conventional flute profile bearing shell; Be coated with the anti-corrosion wear-reduced layer of one deck on the convex shoulder of flute profile bearing shell and the lubriation material, thereby the corrosion resistance of bearing shell of the present invention is good than conventional flute profile bearing shell.
Table 1-2 seizure resistance adopts " seizure resistance test stand " contrast test.

Claims (3)

1, High-Intensity Slotted Bearing, comprise steel backing (1), base layer (2), described base layer (2) is arranged on the steel backing (1), have groove (3) on the described base layer (2), base layer between two adjacent grooves (3) partly is a convex shoulder (4), described groove (3) inwall plates one deck nickel grid (5), it is characterized in that: the interior quaternary alloy lubriation material (6) of filling of groove (3) that is coated with nickel grid (5), lubriation material (6) in the groove (3) flushes with convex shoulder (4), plates anti-corrosion wear-reduced layer (7) at lubriation material (6) and convex shoulder (4).
2, High-Intensity Slotted Bearing according to claim 1 is characterized in that: described lubriation material (6) any in Pb-Sn-Cu-In, Pb-Sn-Cu-Ag or the Pb-Sn-Cu-Sb quaternary alloy.
3, High-Intensity Slotted Bearing according to claim 1 and 2 is characterized in that: the material of described anti-corrosion wear-reduced layer (7) is a kind of, perhaps any in AgSn, AgIn, InSn or the AgSnIn alloy in Sn, Ag, the In metal.
CN 03113799 2003-02-25 2003-02-25 High strength channel axle bush Expired - Fee Related CN1204350C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03113799 CN1204350C (en) 2003-02-25 2003-02-25 High strength channel axle bush

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03113799 CN1204350C (en) 2003-02-25 2003-02-25 High strength channel axle bush

Publications (2)

Publication Number Publication Date
CN1455125A true CN1455125A (en) 2003-11-12
CN1204350C CN1204350C (en) 2005-06-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03113799 Expired - Fee Related CN1204350C (en) 2003-02-25 2003-02-25 High strength channel axle bush

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CN (1) CN1204350C (en)

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Addressee: Shi Qizhong

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Addressee: Shi Qijun

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Owner name: GUANGZHOU ANDA AUTO PARTS CO., LTD.

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Address after: Taihe Town (Guangzhou private science and Technology Park), Baiyun District, Guangdong, Guangzhou

Patentee after: GUANGZHOU ANDA AUTOMOBILE PARTS Co.,Ltd.

Address before: Baiyun Airport Road, Guangzhou city of Guangdong province by Rong Street No. 14 5B

Patentee before: Liu Huixue

EE01 Entry into force of recordation of patent licensing contract

Assignee: GUANGZHOU ANDA AUTOMOBILE PARTS Co.,Ltd.

Assignor: Liu Huixue

Contract fulfillment period: 2006.6.1 to 2011.6.1

Contract record no.: 2008440000228

Denomination of invention: High strength channel axle bush

Granted publication date: 20050601

License type: Exclusive license

Record date: 20080922

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.6.1 TO 2011.6.1

Name of requester: GUANGZHOU ANDA AUTO PARTS CO., LTD.

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Address after: 510540 private science and Technology Park, Taihe Town, Baiyun District, Guangdong, Guangzhou

Patentee after: Guangzhou Anda Automobile Parts Co.,Ltd.

Address before: 510540 Taihe Town (Guangzhou Private Science Park), Baiyun District, Guangdong, Guangzhou

Patentee before: GUANGZHOU ANDA AUTOMOBILE PARTS Co.,Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20110428

Granted publication date: 20050601

Pledgee: China Merchants Bank Limited by Share Ltd. Guangzhou surplus Plaza Branch

Pledgor: GUANGZHOU ANDA AUTOMOBILE PARTS Co.,Ltd.|Liu Huixue

Registration number: 2010440000677

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Owner name: GUANGZHOU ANDA PRECISION INDUSTRY CO., LTD.

Free format text: FORMER NAME: GUANGZHOU ANDA AUTOMOBILE PARTS CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 510540 private science and Technology Park, Taihe Town, Baiyun District, Guangdong, Guangzhou

Patentee after: GUANGZHOU ANDA PRECISION INDUSTRY Co.,Ltd.

Address before: 510540 private science and Technology Park, Taihe Town, Baiyun District, Guangdong, Guangzhou

Patentee before: Guangzhou Anda Automobile Parts Co.,Ltd.

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050601