CN101850449A - Preparation method and equipment of screw drill inside spin pre-outline stator - Google Patents
Preparation method and equipment of screw drill inside spin pre-outline stator Download PDFInfo
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- CN101850449A CN101850449A CN 201010169966 CN201010169966A CN101850449A CN 101850449 A CN101850449 A CN 101850449A CN 201010169966 CN201010169966 CN 201010169966 CN 201010169966 A CN201010169966 A CN 201010169966A CN 101850449 A CN101850449 A CN 101850449A
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Abstract
The invention relates to a preparation method and equipment of a screw drill inside spin pre-outline stator, belonging to the technical field of the screw drill inside spin pre-outline stator for petroleum drilling. In the invention, rear seal is arranged on the tail bed of an electrolytic machine tool, a fixture is arranged on the electrolytic machine tool body between the rear seal and a spindle box, a prefabricated tube is clamped on the fixture before electrolytic machining, one end of a cathode rod is provided with a cathode, and the other end thereof is connected with the spindle box. The drill motor of the screw in the invention has high output torque, good thermal endurance, stable operation and long service life. The technology in the invention can promote the revolutionary development of the screw drill manufacture in our country and has an important significance on future oil exploitation in our country.
Description
Technical field
The present invention relates to a kind of preparation method and equipment of screw drill inside spin pre-outline stator, belong to oil drilling screw drill inside spin pre-outline stator technical field.
Technical background
Helicoid hydraulic motor be at present the most widely used be a kind of mud motor of power with the drilling fluid.The stator inner wall of helicoid hydraulic motor is made up of the spiral camber of class plum petal type, because stator length is longer, the difficulty of processing of spiral camber is very big, adopts known machining process at present, is difficult to moulding.Therefore, at present the class plum petal type spiral camber of helicoid hydraulic motor stator inner wall is to make with the rubber pressure injection on steel pipe circle inwall, the motor of forming by this kind stator export turn round refuse low, temperature tolerance is poor, job insecurity, the life-span is short, so just greatly affects the construction speed of drilling well.Thereby, market demand high-performance, long-life helicoid hydraulic motor.
Summary of the invention
The object of the present invention is to provide a kind of output to turn round and refuse height, temperature tolerance is good, working stability, the preparation method of the screw drill inside spin pre-outline stator of long service life and equipment.
Technical solution:
The present invention adopts pull-type mode to prepare the equipment of screw drill inside spin pre-outline stator, form by the electrolysis lathe, the electrolysis lathe comprises: conducting copper, numerical control switch board, power supply, cell liquor pump, filter screen, electrolysis liquid pool, lathe bed, the electrolysis tailstock tool is provided with the back sealing, electrolysis bed piece between back sealing and the headstock is provided with anchor clamps, prefabricated pipe is installed on the anchor clamps before the electric machining, and cathode rod one end is provided with negative electrode, and the other end is connected with headstock.
Negative electrode is divided into working portion and targeting part, and targeting part is the identical cylinder of diameter, and working portion is taper, and conical outer surface is made of spirality plum blossom lobe.
The present invention adopts the pushing-type mode to prepare the equipment of screw drill inside spin pre-outline stator, form by the electrolysis lathe, the electrolysis lathe comprises: conducting copper, numerical control switch board, power supply, cell liquor pump, filter screen, electrolysis liquid pool, lathe bed, the electrolysis tailstock tool is provided with the back sealing, electrolysis bed piece between back sealing and the headstock is provided with anchor clamps, prefabricated pipe is installed on the anchor clamps before the electric machining, prefabricated pipe one end is positioned at back sealing place, the other end is provided with sealing, cathode rod one end is provided with negative electrode, and the other end is connected with headstock.
Negative electrode is divided into working portion and targeting part, and targeting part is the identical cylinder of diameter, and the cylinder outer surface is provided with spirality plum blossom lobe, and working portion is taper, and conical outer surface is made of spirality plum blossom lobe.
The preparation method of screw drill inside spin pre-outline stator of the present invention is used for the electrolyte of Electrolyzed Processing: adopt 7%～18%NaCl solution or 10%～18%NaCl+3%～10%NaNO
3Solution;
Current density: 10A/dm
2～40A/dm
2
Feed speed: 3mm/min～20/min;
Electrolyte pressure: 1.5MPa～2.5MPa.
Concentration of electrolyte in Electrolyzed Processing: when maximum is 25%NaCl solution.
Inside spin pre-outline stator is made with superior alloy steel.
The present invention is owing to be provided with anchor clamps, cathode rod, negative electrode on the electrolysis lathe, clamped the preceding prefabricated pipe of Electrolyzed Processing on the anchor clamps, through Electrolyzed Processing, produce pre-outline stator by negative electrode cone-type spiral shape plum blossom lobe, the motor output of forming behind the rubber layer that compacting thickness is identical on the pre-outline stator is turned round and is refused height, temperature tolerance is good, working stability, long service life.The technology of the present invention will drive China's helicoid hydraulic motor and make revolutionary development, and will be significant to the oil exploitation of Future in China.
Description of drawings
Fig. 1 is the embodiment of the present invention structural representation;
Fig. 2 is the another embodiment of the present invention structural representation;
Fig. 3 is the axial cutaway view of inside spin pre-outline stator of the present invention;
Fig. 4 is five inside spin pre-outline stator radial cross-section of the present invention;
Fig. 5 is six inside spin pre-outline stator radial cross-section of the present invention;
Fig. 6 is seven inside spin pre-outline stator radial cross-section of the present invention;
Fig. 7 is eight inside spin pre-outline stator radial cross-section of the present invention
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Adopt pull-type method to prepare screw drill inside spin pre-outline stator referring to Fig. 1 the present invention, the present invention is made up of the electrolysis lathe, the electrolysis lathe comprises: conducting copper 6, numerical control switch board 8, power supply 9, cell liquor pump 10, filter screen 11, electrolysis liquid pool 12, lathe bed 13, the electrolysis tailstock tool is provided with back sealing 1, electrolysis bed piece 13 between back sealing 1 and the headstock 7 is provided with anchor clamps 2, prefabricated pipe 3 is installed on the anchor clamps 2 before the electric machining, cathode rod 5 one ends are provided with negative electrode 4, and the other end is connected with headstock 7.Negative electrode 4 is divided into working portion and targeting part, and targeting part is the identical cylinder of diameter, and working portion is conical, and conical external surface is made of spirality plum blossom lobe.
The preparation method of screw drill inside spin pre-outline stator of the present invention is used for the electrolyte of Electrolyzed Processing: adopt 7%～18%NaCl solution, concentration is 25%NaCl solution or 10%～18%NaCl+3%～10%NaNO when maximum
3Solution;
Current density: 10A/dm
2～40A/dm
2
Feed speed: 3mm/min～20/min.
Electrolyte pressure: 1.5MPa～2.5MPa.
Inside spin pre-outline stator is made with superior alloy steel.
Prefabricated pipe 3 clampings are on the special fixture 2 of electrolytic machine tool before the Electrolyzed Processing that the present invention adds pre-first chance, start electrolytic machine tool 13, drive cathode rods 5 prefabricated pipe 3 afterbodys before the Electrolyzed Processing by headstock 7 and enter, to stretching out the prefabricated pipe head parking; Load onto negative electrode 4 at cathode rod 5 heads, with electronic or manual mode with electrolytic machine tool after sealing 1 and prefabricated pipe head compress, the pitch of the inside spin pre-outline stator that will process with the input of the keyboard of numerical control switch board 8, rotation amount radially, axial feeding, processing length, parameters such as processing electric current, start cell liquor pump 10, electrolyte in the electrolytic cell 12 is circulating between workpiece and lathe under the effect of cell liquor pump 10 by filter screen 11, press start button, 9 power supplies of electric machining power supply, lathe is pressed setup parameter, begin processing, machine direction is pressed headstock 7 upward arrow directions, control by the numerical control switch board during the processing always, be directly processed to preset length, stop and finish processing.
Adopt the pushing-type method to prepare screw drill inside spin pre-outline stator referring to Fig. 2 the present invention, the present invention is made up of the electrolysis lathe, the electrolysis lathe comprises: conducting copper 6, numerical control switch board 8, power supply 9, cell liquor pump 10, filter screen 11, electrolysis liquid pool 12, lathe bed 13, the electrolysis tailstock tool is provided with back sealing 1, electrolysis bed piece 13 between back sealing 1 and the headstock 7 is provided with anchor clamps 2, prefabricated pipe 3 is installed on the anchor clamps 2 before the electric machining, prefabricated pipe 3 one ends are positioned at sealing 1 place, back before the electric machining, the other end is provided with sealing 14, cathode rod 5 one ends are provided with negative electrode 4, the other end is connected with headstock 7, negative electrode 4 is divided into working portion and targeting part, and targeting part is the identical cylinder of diameter, and the cylinder outer surface is provided with spirality plum blossom lobe, working portion is taper, and conical outer surface is made of spirality plum blossom lobe.
The preparation method of screw drill inside spin pre-outline stator of the present invention is used for the electrolyte of Electrolyzed Processing: adopt 7%～18%NaCl solution, concentration is 25%NaCl solution or 10%～18%NaCl+3%～10%NaNO when maximum
3Solution;
Current density: 10A/dm
2～40A/dm
2
Feed speed: 3mm/min～20/min;
Electrolyte pressure: 1.5MPa～2.5MPa.
Inside spin pre-outline stator is made with superior alloy steel.
Prefabricated pipe 3 clampings are on the anchor clamps 2 of electrolytic machine tool before the Electrolyzed Processing that the present invention adds pre-first chance, load onto negative electrode 4 at cathode rod 5 heads, start electrolytic machine tool, make negative electrode 4 leading before entering Electrolyzed Processing the prefabricated pipe afterbody, with electronic or manual mode with electrolytic machine tool after before sealing 1 and the Electrolyzed Processing prefabricated pipe head compress, preceding sealing shroud 14 and the prefabricated pipe afterbody that is enclosed within advance on the cathode rod 4 compressed.Subsequent process is identical with Fig. 1, and just machine direction is opposite with Fig. 1.
Claims (7)
1. the equipment for preparing screw drill inside spin pre-outline stator, form by the electrolysis lathe, the electrolysis lathe comprises: conducting copper (6), numerical control switch board (8), power supply (9), cell liquor pump (10), filter screen (11), electrolysis liquid pool (12), lathe bed (13), it is characterized in that, the electrolysis tailstock tool is provided with back sealing (1), electrolysis bed piece (13) between back sealing (1) and the headstock (7) is provided with anchor clamps (2), prefabricated pipe (3) is installed on the anchor clamps (2) before the electric machining, cathode rod (5) one ends are provided with negative electrode (4), and the other end is connected with headstock (7).
2. the equipment of preparation screw drill inside spin pre-outline stator according to claim 1, it is characterized in that negative electrode (4) is divided into working portion and targeting part, targeting part is the identical cylinder of diameter, working portion is conical, and conical external surface is made of spirality plum blossom lobe.
3. the equipment for preparing screw drill inside spin pre-outline stator, form by the electrolysis lathe, the electrolysis lathe comprises: conducting copper (6), numerical control switch board (8), power supply (9), cell liquor pump (10), filter screen (11), electrolysis liquid pool (12), lathe bed (13), it is characterized in that, the electrolysis tailstock tool is provided with back sealing (1), electrolysis bed piece (13) between back sealing (1) and the headstock (7) is provided with anchor clamps (2), prefabricated pipe (3) is installed on the anchor clamps (2) before the electric machining, sealing (1) was located after prefabricated pipe (3) one ends were positioned at before the electric machining, the other end is provided with sealing (14), cathode rod (5) one ends are provided with negative electrode (4), and the other end is connected with headstock (7).
4. the equipment of preparation screw drill inside spin pre-outline stator according to claim 3, it is characterized in that, negative electrode (4) is divided into working portion and targeting part, targeting part is the identical cylinder of diameter, the cylinder outer surface is provided with spirality plum blossom lobe, working portion is taper, and conical outer surface is made of spirality plum blossom lobe.
5. the preparation method of screw drill inside spin pre-outline stator is characterized in that, is used for the electrolyte of Electrolyzed Processing: adopt 7%～18%NaCl solution or 10%～18%NaCl+3%～10%NaNO
3Solution;
Current density: 10A/dm
2～40A/dm
2
Feed speed: 3mm/min～20/min;
Electrolyte pressure: 1.5MPa～2.5MPa.
6. the preparation method of screw drill inside spin pre-outline stator according to claim 5 is characterized in that, concentration of electrolyte in Electrolyzed Processing: when maximum is 25%NaCl solution.
7. the preparation method of screw drill inside spin pre-outline stator according to claim 5 is characterized in that, inside spin pre-outline stator is made with superior alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010169966 CN101850449A (en) | 2010-04-17 | 2010-04-17 | Preparation method and equipment of screw drill inside spin pre-outline stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010169966 CN101850449A (en) | 2010-04-17 | 2010-04-17 | Preparation method and equipment of screw drill inside spin pre-outline stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101850449A true CN101850449A (en) | 2010-10-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010169966 Pending CN101850449A (en) | 2010-04-17 | 2010-04-17 | Preparation method and equipment of screw drill inside spin pre-outline stator |
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| CN (1) | CN101850449A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139440A (en) * | 2011-04-13 | 2011-08-03 | 新疆华易石油工程技术有限公司 | Machining method for stator of all-metal screw pump for thickened-oil thermal exploitation |
| CN102501016A (en) * | 2011-11-04 | 2012-06-20 | 中国海洋石油总公司 | Method for machining all-metal screw pump stator |
| CN102528186A (en) * | 2012-02-03 | 2012-07-04 | 西安昆仑工业（集团）有限责任公司 | Cathode for electrochemical machining of screw pump metal stator |
| CN102699456A (en) * | 2012-06-04 | 2012-10-03 | 广东工业大学 | Micro electrochemical machining device and machining method for discontinuous microstructures on inner wall of micro heat pipe |
| CN103433578A (en) * | 2013-08-29 | 2013-12-11 | 沈阳公权水泵有限公司 | Machine tool and method for machining over-length lead multipoint molded surface helix tube |
| CN104259968A (en) * | 2014-09-15 | 2015-01-07 | 刘云卿 | Screw pump iso-wall thickness metal stator cavity finish machining device and machining method thereof |
| CN108213622A (en) * | 2017-12-19 | 2018-06-29 | 内蒙古北方重工业集团有限公司 | The once electrolytic processing molding method of stock endoporus difference groove profile |
| CN111992825A (en) * | 2020-08-31 | 2020-11-27 | 西安工业大学 | Efficient precise electrochemical machining equipment and machining method for titanium alloy complex internal spiral line |
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| US6413407B1 (en) * | 2000-11-27 | 2002-07-02 | Lehr Precision, Inc. | Fluted electrochemical machining |
| US20050079083A1 (en) * | 2003-10-09 | 2005-04-14 | Terry Lievestro | Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining |
| CN200949421Y (en) * | 2006-03-13 | 2007-09-19 | 西南石油学院 | Uniform wall thickness stator screw drill |
| CN201144822Y (en) * | 2008-01-06 | 2008-11-05 | 杨振平 | Uniform wall thickness rubber screw rod stator |
| CN201219215Y (en) * | 2008-06-11 | 2009-04-08 | 大港油田集团中成机械制造有限公司 | Pre-outline type screw drill motor stator |
| CN101656438A (en) * | 2009-09-15 | 2010-02-24 | 江汉石油钻头股份有限公司 | Screw drilling tool motor stator |
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2010
- 2010-04-17 CN CN 201010169966 patent/CN101850449A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6413407B1 (en) * | 2000-11-27 | 2002-07-02 | Lehr Precision, Inc. | Fluted electrochemical machining |
| US20050079083A1 (en) * | 2003-10-09 | 2005-04-14 | Terry Lievestro | Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining |
| CN200949421Y (en) * | 2006-03-13 | 2007-09-19 | 西南石油学院 | Uniform wall thickness stator screw drill |
| CN201144822Y (en) * | 2008-01-06 | 2008-11-05 | 杨振平 | Uniform wall thickness rubber screw rod stator |
| CN201219215Y (en) * | 2008-06-11 | 2009-04-08 | 大港油田集团中成机械制造有限公司 | Pre-outline type screw drill motor stator |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139440A (en) * | 2011-04-13 | 2011-08-03 | 新疆华易石油工程技术有限公司 | Machining method for stator of all-metal screw pump for thickened-oil thermal exploitation |
| CN102501016A (en) * | 2011-11-04 | 2012-06-20 | 中国海洋石油总公司 | Method for machining all-metal screw pump stator |
| CN102528186A (en) * | 2012-02-03 | 2012-07-04 | 西安昆仑工业（集团）有限责任公司 | Cathode for electrochemical machining of screw pump metal stator |
| CN102699456A (en) * | 2012-06-04 | 2012-10-03 | 广东工业大学 | Micro electrochemical machining device and machining method for discontinuous microstructures on inner wall of micro heat pipe |
| CN102699456B (en) * | 2012-06-04 | 2014-08-20 | 广东工业大学 | Micro electrochemical machining device and machining method for discontinuous microstructures on inner wall of micro heat pipe |
| CN103433578A (en) * | 2013-08-29 | 2013-12-11 | 沈阳公权水泵有限公司 | Machine tool and method for machining over-length lead multipoint molded surface helix tube |
| CN103433578B (en) * | 2013-08-29 | 2016-06-08 | 沈阳公权水泵有限公司 | Overlength helical pitch bull profile spiral tube working method and lathe |
| CN104259968A (en) * | 2014-09-15 | 2015-01-07 | 刘云卿 | Screw pump iso-wall thickness metal stator cavity finish machining device and machining method thereof |
| CN104259968B (en) * | 2014-09-15 | 2016-06-01 | 刘云卿 | Wall thickness metal stator die cavity finish machining equipment and the working methods thereof such as a kind of spiral pump |
| CN108213622A (en) * | 2017-12-19 | 2018-06-29 | 内蒙古北方重工业集团有限公司 | The once electrolytic processing molding method of stock endoporus difference groove profile |
| CN111992825A (en) * | 2020-08-31 | 2020-11-27 | 西安工业大学 | Efficient precise electrochemical machining equipment and machining method for titanium alloy complex internal spiral line |
| CN111992825B (en) * | 2020-08-31 | 2024-04-02 | 西安工业大学 | Efficient and precise electrolytic machining equipment and method for titanium alloy complex inner spiral line |
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Application publication date: 20101006 |