CN202545798U - Wear-resisting oil cylinder - Google Patents
Wear-resisting oil cylinder Download PDFInfo
- Publication number
- CN202545798U CN202545798U CN2011205253164U CN201120525316U CN202545798U CN 202545798 U CN202545798 U CN 202545798U CN 2011205253164 U CN2011205253164 U CN 2011205253164U CN 201120525316 U CN201120525316 U CN 201120525316U CN 202545798 U CN202545798 U CN 202545798U
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- oil cylinder
- wear
- resisting
- coating
- wearing layer
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Abstract
The utility model relates to the field of oil cylinders, in particular to a wear-resisting oil cylinder. The wear-resisting oil cylinder is characterized in that a wear-resisting layer is fixed on the inner wall of an oil cylinder body. Because a self-fluxing powdered alloy with high wear resistance and high corrosion resistance is uniformly coated on the inner wall of the oil cylinder body by adopting a vacuum cladding technology, the powdered alloy and a cylinder barrel material are metallurgically bonded, and the oil cylinder with high wear resistance and high corrosion resistance is developed.
Description
Technical field
The utility model relates to the oil cylinder field, particularly a kind of wear-resisting oil cylinder.
Background technique
Hydraulic jack uses extensively in fields such as mining activities, automobile, aviation, engineering machinery.Owing to use the material of hydraulic jack different in the different machineries, have bigger difference in the mechanical property of hydraulic jack and working life.
In the hydraulic jack manufacturing with make the field again, because the cylinder diameter of cylinder barrel size, length are different, the internal coat difficulty is bigger.At present, also do not adopt the method manufacturing and the reparation hydraulic jack of vacuum cladding both at home and abroad.
Summary of the invention
The purpose of the utility model provides a kind of wear-resisting oil cylinder with high wear resistance, high corrosion resistance inner wall of cylinder.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of wear-resisting oil cylinder, which comprises at least the oil cylinder body, and it is characterized in that: the oil cylinder inner body wall is fixed with wearing layer.
Described wearing layer thickness is 0.01～2mm.
Described wearing layer is to be mixed by alloy powder and tackiness agent.
Described wearing layer is that the rosin of 75% turpentine oil dissolving 25% is Bond, is modulated into the pasty state slip with 6% rosin Bond and 94% alloy powder again.
Described alloy powder is a kind of in nickel-base alloy or cobalt base alloy or the ferrous alloy.
The beneficial effect of the utility model is; Owing to adopt the even squeezing and coating of vacuum melting and coating technique that the self-fluxing alloyed powder of high wear resistance, high corrosion resistance is arranged at oil cylinder inner body wall place; Make alloy powder and cylinder barrel material realize metallurgy combination, develop have high wear resistance, the oil cylinder of high corrosion resistance.
Description of drawings
Below in conjunction with embodiment's accompanying drawing the utility model is further specified.
Fig. 1 is the structural representation of this wear-resisting oil cylinder;
Fig. 2 is the flow chart that the vacuum melting and coating process increases wearing layer.
Among the figure: 1, oil cylinder body; 2, wearing layer.
Embodiment
This wear-resisting oil cylinder is to increase wearing layer 2 through the vacuum melting and coating process at the inwall of oil cylinder body 1; See Fig. 1, wearing layer thickness is 0.01～2mm, and wearing layer 2 is to be mixed by alloy powder and tackiness agent; Wherein alloy powder is the self-fluxing alloyed powder of high wear resistance, high corrosion resistance; Adopt the vacuum melting and coating technique, make alloy powder and cylinder barrel material realize metallurgy combination, form oil cylinder through other course of working again with high wear resistance, high corrosion resistance.
Shown in the flow chart that the vacuum melting and coating process of Fig. 2 increases wearing layer, the oil cylinder of this high wear resistance, high corrosion resistance processes through following method step:
Step 1 is at first carried out pretreatment to oil cylinder, and pretreatment mainly comprises reservation of cylinder barrel size and sharp processing, and surface clean, degreasing, decontamination, rust cleaning can be adopted acid cleaning process in case of necessity;
Step 2; Modulation is mixed by alloy powder and tackiness agent from the dissolubility alloy powder from the dissolubility alloy powder, and the rosin of the turpentine oil dissolving 25% with 75% is as Bond; Be modulated into the pasty state slip with 6% rosin Bond and 94% alloy powder again, above-mentionedly all be weight percentage;
Above-mentioned alloy powder is a kind of in nickel-base alloy (Ni-B-Si and Ni-Cr-B-Si) or cobalt base alloy (Co-Cr-W-Ni-B-Si) or the ferrous alloy (Fe-Ni-B-Si and Fe-Cr-Ni-B-Si), boron and silicon that they all contain can reduce fusing point, improve hardness, deoxidation slag making voluntarily;
Apply in the step 3, cylinder body, the slip that modulates is coated to the internal surface of cylinder body;
Type is dried, repaiied to step 4, puts into 80～100 ℃ of baking ovens after the cylinder body after applying is dried in the shade and be incubated 2～3 hours, so that turpentine oil volatile takes out after the slow cooling, revises profile;
Step 5, the vacuum cladding, vacuum sintering is clinkering in the molybdenum wire furnace of 10Pa in degree of vacuum; Confirm heating-up temperature according to alloying constituent, (Ni-Cr-B-Si) is 1050～1100 ℃ like nickel-base alloy, during insulation; Rate of heating should prevent the too fast coating cracking that causes of organic substance volatilization slowly;
Step 6, fine finishing after the cladding is carried out right boring, hone or grinding to coating, to satisfy the technical requirements of cylinder barrel size and form and position tolerance, surface roughness;
Step 7, check;
Step 8, warehouse-in.
The process characteristic of vacuum cladding:
Compactness is high: the temperature of vacuum sintering is between the liquidus curve and solidus of cladding material, and coating alloy is in liquid, solid two-phase coexistent state, and vacuum sintering coating mesopore rate is relevant with liquid content.When the liquid phase mass fraction was 20%～30%, what obtain was the coating of porous, the coating that when the liquid phase mass fraction surpasses 60%, can be sealed continuously.The ratio of control liquid phase can prepare minimum dense coating of porosity ratio or anti-attrition micro porous coating.
Rate of dilution is low: because rate of heating is fast, holding time is short, and heating-up temperature is lower than the fusing point of mother metal, and therefore, mother metal element (mainly being iron) is less to " dilution " of coating, and coating composition changes little, even tissue, hardness and wear resistance height.
Controllable thickness: can coating thickness accurately be controlled at several microns to several millimeters, and the vacuum sintering implementation of processes do not receive the influence of workpiece shape, structure or position complexity,, also can form the coating of uniformity even locate in blind hole, inside groove etc.
Claims (3)
1. a wear-resisting oil cylinder which comprises at least the oil cylinder body, it is characterized in that: the oil cylinder inner body wall is fixed with wearing layer.
2. a kind of wear-resisting oil cylinder according to claim 1 is characterized in that: described wearing layer thickness is 0.01～2mm.
3. a kind of wear-resisting oil cylinder according to claim 1 is characterized in that: described wearing layer is to be mixed by alloy powder and tackiness agent.
4. a kind of wear-resisting oil cylinder according to claim 3 is characterized in that: described alloy powder is a kind of in nickel-base alloy or cobalt base alloy or the ferrous alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205253164U CN202545798U (en) | 2011-12-15 | 2011-12-15 | Wear-resisting oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205253164U CN202545798U (en) | 2011-12-15 | 2011-12-15 | Wear-resisting oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545798U true CN202545798U (en) | 2012-11-21 |
Family
ID=47166436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205253164U Expired - Lifetime CN202545798U (en) | 2011-12-15 | 2011-12-15 | Wear-resisting oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161951A (en) * | 2011-12-15 | 2013-06-19 | 陕西天元材料保护科技有限公司 | Wear-resistant oil cylinder and machining method thereof |
| CN103982654A (en) * | 2014-05-30 | 2014-08-13 | 四川中物泰沃新材料有限公司 | Anti-corrosion wear-proof hydraulic cylinder and manufacturing method thereof |
-
2011
- 2011-12-15 CN CN2011205253164U patent/CN202545798U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161951A (en) * | 2011-12-15 | 2013-06-19 | 陕西天元材料保护科技有限公司 | Wear-resistant oil cylinder and machining method thereof |
| CN103982654A (en) * | 2014-05-30 | 2014-08-13 | 四川中物泰沃新材料有限公司 | Anti-corrosion wear-proof hydraulic cylinder and manufacturing method thereof |
| CN103982654B (en) * | 2014-05-30 | 2016-04-20 | 四川中物红宇科技有限公司 | A kind of anticorrosion antiwear hydraulic ram and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wear-resistant oil cylinder and machining method thereof Effective date of registration: 20131121 Granted publication date: 20121121 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Tianyuan Materials Protection Technology Co., Ltd. Registration number: 2013990000881 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |