CN100359038C - Slurry pump cylinder jacket inner wall spray smelting device and its method - Google Patents
Slurry pump cylinder jacket inner wall spray smelting device and its method Download PDFInfo
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- CN100359038C CN100359038C CNB031346049A CN03134604A CN100359038C CN 100359038 C CN100359038 C CN 100359038C CN B031346049 A CNB031346049 A CN B031346049A CN 03134604 A CN03134604 A CN 03134604A CN 100359038 C CN100359038 C CN 100359038C
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- cylinder sleeve
- grinding wheel
- spray
- travel mechanism
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Abstract
The present invention relates to a spray fusing device and a method for the inner wall of a cylinder sleeve of a mud pump, which can reduce the complicated process of the processing technology of a cylinder sleeve of a mud pump, reduce the rejection rate and raise the service life of the cylinder sleeve. The axial line of the cylinder sleeve is parallel to a guide track, and the cylinder sleeve is arranged on a supporting wheel of a walking mechanism. A grinding mechanism and a spraying mechanism are arranged on the left end of the guide track, wherein the grinding mechanism comprises a grinding wheel shaft, a grinding wheel arranged on the right end of the grinding wheel shaft, a gear box and a motor; the spraying mechanism comprises a gun tube of a spray gun and a powder tank. The left end of the gun tube is connected with the powder tank, an oxygen tube and an acetylene tube. The cylinder jacket is driven by the walking mechanism to take a rectilinear movement and a rotary movement. The surface of the inner wall of the cylinder sleeve is ground by the grinding wheel, sprayed with alloy powder by the spray gun and then ground. Oxygen and acetylene are filled in the spray gun to burn for preheating. The preheating and the fusion welding are carried out simultaneously, and the inner wall is cooled naturally; alternatively, intermediate and high frequency electromagnetic induction coils are inserted in the space of the inner wall of the cylinder sleeve and energized for fusion welding, and then the inner wall is cooled naturally.
Description
Technical field
The present invention relates to the processing unit (plant) and the method thereof of oil drilling and r eoovery machine.
Technical background
Cylinder sleeve is the vital part of slush pump, directly influences drilling operation, is the expendable workpiece of disposable use.The petroleum drilling and mining mud slurry pump cylinder jacket adopts bimetal monoblock casting or the moulding of secondary insert at present, reaches result of use, complex procedures through hard surfacing treatment process process again.Production cycle is long.The scrap rate height.Owing to be subjected to the restriction of conventional cast technology, selecting for use and the restriction of aspect such as workpiece surface thermal treatment process of cast alloy materials, cause shorten the work-ing life of cylinder sleeve, because cylinder sleeve is not long work-ing life, the frequent replacing strengthened the cost of drilling operation, and the duration is spun out, driller's labour intensity strengthens, and is unfavorable for drilling operation.
Summary of the invention
The objective of the invention is to reduce the machining process of mud slurry pump cylinder jacket complexity and the rate of reducing the number of rejects and seconds, the work-ing life of improving cylinder sleeve.
The present invention is mud slurry pump cylinder jacket inwall spraying melt apparatus and method thereof, comprise the cylinder sleeve travel mechanism, workpiece polishing mechanism and spray body, cylinder sleeve (1) is installed in and can goes up on the travel mechanism that moves at guide rail (19), the axis (OO ') of cylinder sleeve (1) is parallel to guide rail (17), cylinder sleeve (1) is placed on the support roller (21) of travel mechanism, support roller (21) drives cylinder sleeve (1) and rotates along its axis (OO '), on guide rail (17) left side workpiece polishing mechanism and spray body are installed, workpiece polishing mechanism comprises grinding wheel spindle (6), be installed in the emery wheel (4) of grinding wheel spindle right-hand member, wheel box (14), motor (12), wherein the left end of grinding wheel spindle (6) connects with motor (12); Spray body comprises spray gun gun barrel (5), is positioned at the powder tank (9) of gun barrel (5) left end, and the right-hand member of gun barrel (5) is equipped with rifle mouth (3), and gun barrel (5) left end connects with powder tank (9), and gun barrel (5) left end also connects with oxygen hose (10), acetylene hose (11); Cylinder sleeve (1) is driven by travel mechanism, be moved to the left to the working position of emery wheel (4), cylinder sleeve (1) carries out translational motion and the rotatablely moving around axis (OO ') along guide rail (19) under travel mechanism drives, emery wheel (4) drives polishing cylinder sleeve (1) inner wall surface at motor (12), travel mechanism drives cylinder sleeve (1) and moves to the spray gun working position then
Method of the present invention is that cylinder sleeve (1) is preheated to 600 ℃ of 300 ∽, spray powdered alloy with spray gun to cylinder sleeve (1) inner wall surface, last powder speed is 2 ∽ 5g/ branches, last powder thickness is 1 ∽ 3mm, and then polish, aerating oxygen and the acetylene preheating of burning in spray gun, after about 800 ℃, on one side preheating melting welding on one side, the melting welding temperature remains between 1200 ℃ of 1000 ∽, naturally cooling, in perhaps inciting somebody to action, high-frequency electromagnetic induction coil (22) inserts in the space of cylinder sleeve (1) inwall, and melting welding is carried out in energising, and temperature remains between 1300 ℃ of 1000 ∽, the melting welding time is controlled between the 5 minutes/part of 1 ∽, then naturally cooling.Middle and high frequency electromagnetic induction coil (22) is the standardized unit of installing on the middle and high frequency electromagnetic induction device of the prior art.
Beneficial effect of the present invention is: replace the cylinder sleeve overcoat with common steel tube, in the steel pipe inwall, adopt the melting welding mode to finish the processing of cylinder sleeve wearing layer then the rare earth nickel-chromium alloy powder spraying.Select the mud slurry pump cylinder jacket of rare earth nickel-chromium alloy powder material surfacing for use, the bonding strength height, wear resisting property is good, does not fall piece in the mechanical processing process, and flawless does not need thermal treatment, and directly as cast condition is used, and the work-ing life of cylinder sleeve was above 1000 hours.Workpiece such as valve body, valve seat and former complete processing comparison have improved 3 times work-ing life.
Description of drawings
Fig. 1 is the synoptic diagram of spraying melt apparatus of the present invention.
Specific implementation
As shown in Figure 1, mud slurry pump cylinder jacket inwall spraying melt apparatus of the present invention comprises the cylinder sleeve travel mechanism, workpiece polishing mechanism and spray body, cylinder sleeve (1) is installed in and can goes up on the travel mechanism that moves at guide rail (19), the axis (OO ') of cylinder sleeve (1) is parallel to guide rail (19), cylinder sleeve (1) is placed on the support roller (21) of travel mechanism, support roller (21) is installed on the platform that is supported by roller (20) (among the figure not label), travel mechanism can go up at guide rail (19) by roller (20) and move, support roller (21) drives cylinder sleeve (1) and rotates along its axis (OO '), and guide rail (19) is installed on the support (18).Transmission rig (17) is installed below guide rail (19), drives travel mechanism by horizontal kinematic link (16) and move, drive support roller (21) by vertical kinematic link (among the figure not label) and rotate.
On guide rail (19) left side workpiece polishing mechanism and spray body are installed, workpiece polishing mechanism comprises grinding wheel spindle (6), is installed in the emery wheel (4) of grinding wheel spindle right-hand member, wheel box (14), motor (12), wherein the left end of grinding wheel spindle (6) connects with motor (12), grinding wheel spindle (6) is installed on the bearing (8), wheel box (14) is installed on the support (15), and (13) are roller bearing.Spray body comprises spray gun gun barrel (5), is positioned at the powder tank (9) of gun barrel (5) left end, and the right-hand member of gun barrel (5) is equipped with rifle mouth (3), and gun barrel (5) left end connects with powder tank (9), and gun barrel (5) left end also connects with oxygen hose (10), acetylene hose (11).
As shown in Figure 1, cylinder sleeve (1) is driven by travel mechanism, be moved to the left to the working position of emery wheel (4), cylinder sleeve (1) carries out translational motion and the rotatablely moving around axis (OO ') along guide rail (19) under travel mechanism drives, emery wheel (4) drives polishing cylinder sleeve (1) inner wall surface at motor (12), travel mechanism drives cylinder sleeve (1) and moves to the spray gun working position then, cylinder sleeve (1) is preheated to 600 ℃ of 300 ∽, spray powdered alloy with spray gun to cylinder sleeve (1) inner wall surface, last powder speed is 2 ∽ 5g/ branches, and last powder thickness is 1 ∽ 3mm, and then polishes, aerating oxygen and the acetylene preheating of burning in spray gun, after about 800 ℃, on one side preheating melting welding on one side, the melting welding temperature remains between 1200 ℃ of 1000 ∽, naturally cooling, in perhaps inciting somebody to action, high-frequency electromagnetic induction coil (22) inserts in the space of cylinder sleeve (1) inwall, and melting welding is carried out in energising, and temperature remains between 1300 ℃ of 1000 ∽, the melting welding time is controlled between the 5 minutes/part of 1 ∽, then naturally cooling.The material of cylinder sleeve (1) can be a plain carbon stool.The powdered alloy of spraying is the rare earth nickel-chromium alloy powder.
Claims (2)
1, mud slurry pump cylinder jacket inwall spraying melt apparatus, comprise the cylinder sleeve travel mechanism, workpiece polishing mechanism and spray body, cylinder sleeve (1) is installed in and can goes up on the travel mechanism that moves at guide rail (19), the axis (OO ') of cylinder sleeve (1) is parallel to guide rail (19), it is characterized in that cylinder sleeve (1) is placed on the support roller (21) of travel mechanism, support roller (21) drives cylinder sleeve (1) and rotates along its axis (OO '), on guide rail (19) left side workpiece polishing mechanism and spray body are installed, workpiece polishing mechanism comprises grinding wheel spindle (6), be installed in the emery wheel (4) of grinding wheel spindle right-hand member, wheel box (14), motor (12), wherein the left end of grinding wheel spindle (6) connects with motor (12); Spray body comprises spray gun gun barrel (5), is positioned at the powder tank (9) of gun barrel (5) left end, and the right-hand member of gun barrel (5) is equipped with rifle mouth (3), and gun barrel (5) left end connects with powder tank (9), and gun barrel (5) left end also connects with oxygen hose (10), acetylene hose (11); Cylinder sleeve (1) is driven by travel mechanism, be moved to the left to the working position of emery wheel (4), cylinder sleeve (1) carries out translational motion and the rotatablely moving around axis (OO ') along guide rail (19) under travel mechanism drives, emery wheel (4) drives polishing cylinder sleeve (1) inner wall surface by motor (12), and travel mechanism drives cylinder sleeve (1) and moves to the spray gun working position then.
2, the jet melting method of mud slurry pump cylinder jacket inwall spraying melt apparatus as claimed in claim 1, it is characterized in that cylinder sleeve (1) is preheated to 300～600 ℃, spray powdered alloy with spray gun to cylinder sleeve (1) inner wall surface, last powder speed is 2～5g/ branch, last powder thickness is 1～3mm, and then polish, middle and high frequency electromagnetic induction coil (22) is inserted in the space of cylinder sleeve (1) inwall, melting welding is carried out in energising, temperature remains between 1300 ℃ of 1000 ∽, the melting welding time is controlled between the 5 minutes/part of 1 ∽, then naturally cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031346049A CN100359038C (en) | 2003-09-03 | 2003-09-03 | Slurry pump cylinder jacket inner wall spray smelting device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031346049A CN100359038C (en) | 2003-09-03 | 2003-09-03 | Slurry pump cylinder jacket inner wall spray smelting device and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1590577A CN1590577A (en) | 2005-03-09 |
| CN100359038C true CN100359038C (en) | 2008-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031346049A Expired - Fee Related CN100359038C (en) | 2003-09-03 | 2003-09-03 | Slurry pump cylinder jacket inner wall spray smelting device and its method |
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| Country | Link |
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| CN (1) | CN100359038C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186433A (en) * | 2017-07-18 | 2017-09-22 | 东营新佳环保技术开发有限公司 | Interior surfacing anti-corrosive abrasion-proof oil conduit and processing method, process equipment |
| CN109128548A (en) * | 2018-07-24 | 2019-01-04 | 谢颖贤 | A kind of tramcar tire welding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893876A (en) * | 1981-11-28 | 1983-06-03 | Suzuki Kiyoshi | Production of iron and steel products coated with colored rust preventive film |
| CN1017681B (en) * | 1986-04-22 | 1992-08-05 | 武田药品工业株式会社 | Produce the method for seasoning composition |
| CN2258923Y (en) * | 1996-10-08 | 1997-08-06 | 秦皇岛四通石油机械有限公司 | Cylinder jacket having internal surface with metalloceramics coating for mud pump |
| JPH10103150A (en) * | 1996-09-30 | 1998-04-21 | Mitsubishi Heavy Ind Ltd | Double layer cylinder liner |
| CN1213599A (en) * | 1998-11-23 | 1999-04-14 | 辽河石油勘探局钻井一公司 | Prodn. tech. of mud pump composite steel bushing |
-
2003
- 2003-09-03 CN CNB031346049A patent/CN100359038C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893876A (en) * | 1981-11-28 | 1983-06-03 | Suzuki Kiyoshi | Production of iron and steel products coated with colored rust preventive film |
| CN1017681B (en) * | 1986-04-22 | 1992-08-05 | 武田药品工业株式会社 | Produce the method for seasoning composition |
| JPH10103150A (en) * | 1996-09-30 | 1998-04-21 | Mitsubishi Heavy Ind Ltd | Double layer cylinder liner |
| CN2258923Y (en) * | 1996-10-08 | 1997-08-06 | 秦皇岛四通石油机械有限公司 | Cylinder jacket having internal surface with metalloceramics coating for mud pump |
| CN1213599A (en) * | 1998-11-23 | 1999-04-14 | 辽河石油勘探局钻井一公司 | Prodn. tech. of mud pump composite steel bushing |
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| CN1590577A (en) | 2005-03-09 |
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Granted publication date: 20080102 |