CN205446403U - Bimetal shaft sleeve - Google Patents
Bimetal shaft sleeve Download PDFInfo
- Publication number
- CN205446403U CN205446403U CN201521011035.1U CN201521011035U CN205446403U CN 205446403 U CN205446403 U CN 205446403U CN 201521011035 U CN201521011035 U CN 201521011035U CN 205446403 U CN205446403 U CN 205446403U
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- CN
- China
- Prior art keywords
- steel bushing
- bimetallic
- metal flange
- copper alloy
- utility
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- 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.)
- Expired - Fee Related
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model provides a bimetal shaft sleeve, include: the notched steel bushing is established to the internal surface, sets up the copper alloy layer of steel bushing internal surface, and set up two metal flange pieces of steel bushing terminal surface, the surface of steel bushing is equipped with a plurality of perpendicular tos the axle bush of steel bushing surface, the axle bush with two metal flange piece fixed connection, the steel bushing with weld between two metal flange pieces. The beneficial effect of the utility model as follows: through setting up the recess at the steel bushing internal surface, set up the copper alloy layer again for combine the area increase between steel layer and the alloy -layer, the cohesion reinforcing, through separately processing two metal flange pieces and steel bushing to adopt the friction welding (FW) together fixed, low in manufacturing cost, installation convenient to use, messenger bimetal shaft sleeve can bear the axial positioning of radial and axial load and axle sleeve simultaneously, and corresponding adjustment can be done respectively according to actual conditions to the thickness of steel bushing and two metal flange pieces, and application scope is wide.
Description
Technical field
This utility model relates to tracked construction equipment technical field of bearings, particularly relates to a kind of bimetallic bush.
Background technology
Having the sliding bearing of a kind of referred to as bimetallic bush in existing sliding bearing, bimetallic bush is strong with its bearing capacity, wearability good, is used widely in field of bearings.In Machine Design, movable part should bear axial force and bear radial force again sometimes, designer often uses axial plain bearing and bush(ing) bearing to be applied in combination, sometimes also need to bush(ing) bearing axially positioning, be thus necessary to flanged (FLGD) axle sleeve.
Traditional bimetallic bush is that the copper powder being cast with wearability good on the surface of steel layer makes mostly, and the bimetallic bush of this structure is directly cast in the smooth surface of steel layer due to copper powder, and adhesion is the strongest；It addition, conventional dual-metal axle sleeve is when arranging flange, most directly in end face punching, the flange formation flange of axle sleeve, its structural instability, it is easily deformed in actual use.
The flanged (FLGD) bimetallic bush of tradition is to use direct end face punching, flange mode at axle sleeve to be formed due to its flange, therefore, may be only available for the situation that half bush wall thickness is relatively thin, and owing to the thickness of this situation flange is identical with the wall thickness of axle sleeve, be in use easily subject to a definite limitation.
Utility model content
The utility model proposes a kind of bimetallic bush, solve that bimetallic bush adhesion in prior art is weak, structural instability and the problem that uses limitation.
The technical solution of the utility model is achieved in that
A kind of bimetallic bush, including: inner surface sets reeded steel bushing, is arranged on the copper alloy layer of described steel bushing inner surface, and is arranged on the bimetallic flange plate of described steel bushing end face；The outer surface of described steel bushing is provided with some bearing shells being perpendicular to described steel bushing outer surface, and described bearing shell is fixing with described bimetallic flange plate to be connected；Weld between described steel bushing with described bimetallic flange plate.
As preferably, the wall thickness of described steel bushing is more than or equal to 3.5mm, and the thickness of described copper alloy layer is 0.5～0.9mm.
The manufacture method of bimetallic bush described in the utility model is as follows:
A, it is respectively adopted respective thickness steel manufacturing flange sheet and the reeded steel bushing of inner surface band；
B, steel bushing and flange plate use the method for friction welding (FW) weld together, form flanged (FLGD) axle sleeve soldering member；
C, above-mentioned axle sleeve soldering member is carried out machining, reach the finished product requirement watered before casting copper alloys；
D, it is copper alloy liquid by copper alloy powder melting, described copper alloy liquid employing spun casting mode is cast in inner surface and the outer face of described flange plate of described steel bushing, forms the bimetallic bush soldering member of band bimetallic flange plate；
E, by bearing shell respectively with described steel bushing and and described flange plate is fixing is connected, formation band bearing shell and the bimetallic bush soldering member of bimetallic flange plate；
F, bimetallic bush soldering member to described band bearing shell and bimetallic flange plate carry out machining, reach finished product requirement.
The mass percent of above-mentioned copper alloy powder chemical composition is: Pb5.0～8.0%, Sn6.0～8.0%, Zn2.0～5.0%, surplus are Cu.
The casting hardness of above-mentioned copper alloy layer is 60～90, and its casting hardness is 70～130；The casting density of copper alloy layer is 8.0g/mm3, its casting density is 9.0g/mm3。
Adhesion strength between above-mentioned steel bushing and copper alloy layer is not less than 88MPa.
The beneficial effects of the utility model are:
By arranging groove at steel bushing inner surface, then arranging copper alloy layer so that between steel layer and alloy-layer, bonded area increases, adhesion strengthens；It is attached fixing by arranging bearing shell between steel bushing and bimetallic flange plate so that whole flanged (FLGD) bimetallic bush Stability Analysis of Structures, is unlikely to deform in actual use, it is possible to effectively bear high speed shock loading.
By by bimetallic flange plate and steel bushing separate machined, and use friction welding (FW) to be fixed together, low cost of manufacture, easy to install, make bimetallic bush can bear the axial location of radial and axial load and axle sleeve simultaneously, the thickness of steel bushing and bimetallic flange plate can do corresponding adjustment respectively according to practical situation, applied widely.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of bimetallic bush described in the utility model；
Fig. 2 is the top view of Fig. 1；
In figure:
1, steel bushing, 2, copper alloy layer, 3, bimetallic flange plate, 4, groove, 5, bearing shell.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Embodiment as shown in Figure 1 and Figure 2 understands, a kind of bimetallic bush described in the utility model, including: inner surface is provided with the steel bushing 1 of groove 4, is arranged on the copper alloy layer 2 of steel bushing 1 inner surface, and is arranged on the bimetallic flange plate 3 of steel bushing 1 end face；The outer surface of steel bushing 1 is provided with some bearing shells 5 being perpendicular to steel bushing 1 outer surface, and bearing shell 5 is fixing with bimetallic flange plate 3 to be connected；Weld between steel bushing 1 with bimetallic flange plate 3.
Above-mentioned bimetallic bush is by arranging groove 4 at steel bushing 1 inner surface, then arranges copper alloy layer 2 so that between steel layer and alloy-layer, bonded area increases, and adhesion strengthens；It is attached fixing by arranging bearing shell 5 between steel bushing 1 and bimetallic flange plate 3 so that whole flanged (FLGD) bimetallic bush Stability Analysis of Structures, is unlikely to deform in actual use, it is possible to effectively bear high speed shock loading.
The manufacture method of above-mentioned bimetallic bush, specifically comprises the following steps that
A, it is respectively adopted respective thickness steel manufacturing flange sheet and the steel bushing 1 of inner surface band fluted 4；
B, steel bushing and flange plate use the method for friction welding (FW) weld together, form flanged (FLGD) axle sleeve soldering member；
C, above-mentioned axle sleeve soldering member is carried out machining, reach the finished product requirement watered before casting copper alloys；
D, it is copper alloy liquid by copper alloy powder melting, described copper alloy liquid employing spun casting mode is cast in inner surface and the outer face of described flange plate of described steel bushing, forms the bimetallic bush soldering member of band bimetallic flange plate；
E, by bearing shell respectively with described steel bushing and and described flange plate is fixing is connected, formation band bearing shell and the bimetallic bush soldering member of bimetallic flange plate；
F, bimetallic bush soldering member to described band bearing shell and bimetallic flange plate carry out machining, reach finished product requirement.
Above-mentioned steel are the hot rolled steel plate that wall thickness is more than or equal to 3.5mm, and the thickness of copper alloy layer 2 is 0.5～0.9mm；The mass percent of above-mentioned copper alloy powder chemical composition is: Pb5.0～8.0%, Sn6.0～8.0%, Zn2.0～5.0%, surplus are Cu.
The casting hardness of above-mentioned copper alloy layer 2 is 60～90, and its casting hardness is 70～130；The casting density of above-mentioned copper alloy layer is 8.0g/mm3, its casting density is 9.0g/mm3。
Adhesion strength between above-mentioned steel bushing 1 and copper alloy layer 2 is not less than 88MPa.
By by bimetallic flange plate 3 and steel bushing 1 separate machined, and use friction welding (FW) to be fixed together, low cost of manufacture, easy to install, make bimetallic bush can bear the axial location of radial and axial load and axle sleeve simultaneously, the thickness of steel bushing 1 and bimetallic flange plate 3 can do corresponding adjustment respectively according to practical situation, applied widely.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (2)
1. a bimetallic bush, it is characterized in that, including: inner surface is provided with the steel bushing (1) of groove (4), it is arranged on the copper alloy layer (2) of described steel bushing (1) inner surface, and is arranged on the bimetallic flange plate (3) of described steel bushing (1) end face；The outer surface of described steel bushing (1) is provided with some bearing shells (5) being perpendicular to described steel bushing (1) outer surface, and described bearing shell (5) is fixing with described bimetallic flange plate (3) to be connected；Weld between described steel bushing (1) with described bimetallic flange plate (3).
A kind of bimetallic bush the most according to claim 1, it is characterised in that the wall thickness of described steel bushing (1) is more than or equal to 3.5mm, and the thickness of described copper alloy layer (2) is 0.5～0.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011035.1U CN205446403U (en) | 2015-12-03 | 2015-12-03 | Bimetal shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011035.1U CN205446403U (en) | 2015-12-03 | 2015-12-03 | Bimetal shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446403U true CN205446403U (en) | 2016-08-10 |
Family
ID=57180192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521011035.1U Expired - Fee Related CN205446403U (en) | 2015-12-03 | 2015-12-03 | Bimetal shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446403U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370733A (en) * | 2015-12-03 | 2016-03-02 | 门晓昕 | Double-metal shaft sleeve and manufacturing method thereof |
| CN112338172A (en) * | 2020-10-15 | 2021-02-09 | 浙江申发轴瓦股份有限公司 | Casting device and method for casting copper alloy on outer circle of bearing bush |
| US11554823B2 (en) | 2019-09-09 | 2023-01-17 | Caterpillar Inc. | Sleeve bearing having a flared end |
-
2015
- 2015-12-03 CN CN201521011035.1U patent/CN205446403U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370733A (en) * | 2015-12-03 | 2016-03-02 | 门晓昕 | Double-metal shaft sleeve and manufacturing method thereof |
| US11554823B2 (en) | 2019-09-09 | 2023-01-17 | Caterpillar Inc. | Sleeve bearing having a flared end |
| CN112338172A (en) * | 2020-10-15 | 2021-02-09 | 浙江申发轴瓦股份有限公司 | Casting device and method for casting copper alloy on outer circle of bearing bush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Liyuan Document name: payment instructions |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20201203 |