CN113275835A - HY-level sucker rod production method - Google Patents
HY-level sucker rod production method Download PDFInfo
- Publication number
- CN113275835A CN113275835A CN202110541785.3A CN202110541785A CN113275835A CN 113275835 A CN113275835 A CN 113275835A CN 202110541785 A CN202110541785 A CN 202110541785A CN 113275835 A CN113275835 A CN 113275835A
- Authority
- CN
- China
- Prior art keywords
- sucker rod
- raw material
- production method
- forging
- station
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2261/00—Machining or cutting being involved
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention relates to the technical field of sucker rods and discloses a production method of an HY-level sucker rod, which comprises the following steps: sizing: marking and cutting the head of the sucker rod raw material according to the specified size by using a cutting device to obtain the sucker rod raw material with the specified size; straightening: straightening the raw material of the sucker rod by using a straightening device; flat forging: heating the raw material of the sucker rod by using a heating device, and upsetting two ends of the raw material of the sucker rod by using five stations; polishing: and polishing the head of the raw material of the sucker rod by using a polishing device. The production method has the advantages that the whole process only comprises sizing, straightening, flat forging, polishing, heat treatment, shot blasting, machining, ultrasonic frequency quenching and paint dipping, the production flow is very simple, the process steps are simplified, the manufacturing cost is reduced, the use of mechanical equipment and the labor input are reduced, and the economic benefit is remarkable. The invention has novel design and the advantages of simple process, capability of keeping the sucker rod straight and high strength.
Description
Technical Field
The invention relates to the technical field of sucker rods, in particular to a production method of an HY-level sucker rod.
Background
The sucker rod is a slender rod piece of the pumping well, and is connected with a polished rod at the upper part and an oil well pump at the lower part to play a role in transmitting power. The sucker rod can be generally divided into a common sucker rod, a high-strength sucker rod, a special sucker rod, a continuous sucker rod, a sucker rod special for a screw pump, a glass fiber reinforced plastic sucker rod and a flexible sucker rod according to the material, the physical characteristics and the application, wherein the high-strength sucker rod is divided into HY, HL and KHL, and the HY sucker rod is a sucker rod which is very commonly used in production work.
The Chinese patent publication number is: the invention patent of CN100363511C discloses a manufacturing process of an ultrahigh-strength sucker rod, which comprises the following steps: and (3) carrying out induction heating surface quenching on the steel high-strength sucker rod by induction heating equipment with the frequency range of 4000-12000 Hz. The invention reduces the influence of large section change when the rod head is subjected to induction surface quenching, does not change a mould due to the change of the shape of the rod head, ensures the continuity of the quenching layer of the rod head on the premise of not increasing the process complexity, ensures that the rod head is not subjected to additional deformation when the sucker rod is treated in a stretched state at two ends, and ensures the quality of the sucker rod after quenching treatment by spraying water; high electric efficiency, obviously reduced energy consumption, greatly reduced investment and reduced production cost. The process can be used as a repair process of an old high-strength sucker rod, and the utilization rate of products is improved.
In the above patent, induction heating surface quenching by an induction heating apparatus with a frequency range of 4000 to 12000Hz has a good effect, but in practical application, we find that there still exist certain disadvantages, such as:
1. the production flow of the manufacturing process is complex;
2. the manufacturing process is inconvenient for correcting the size of the sucker rod, and the produced sucker rod is easy to be inclined and bent;
3. the sucker rod produced by the manufacturing process is still low in strength and is difficult to adapt to the requirement of deep petroleum well oil extraction.
Based on the above, an HY-level sucker rod production method is provided, and hopefully, the defects in the prior art are overcome.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the HY-level sucker rod production method, which has the advantages of simple process, capability of keeping the flatness of the sucker rod and high strength.
(II) technical scheme
In order to realize the purposes of simple process, capability of keeping the sucker rod straight and high strength, the invention provides the following technical scheme: the HY-level sucker rod production method comprises the following steps:
the method comprises the following steps: sizing: marking and cutting the head of the sucker rod raw material according to the specified size by using a cutting device to obtain the sucker rod raw material with the specified size;
step two: straightening: straightening the raw material of the sucker rod by using a straightening device;
step three: flat forging: heating the raw material of the sucker rod by using a heating device, and upsetting two ends of the raw material of the sucker rod by using five stations;
step four: polishing: polishing the head of the raw material of the sucker rod by using a polishing device to remove head burrs, oxide skins and forging defects;
step five: and (3) heat treatment: firstly, carrying out box-type quenching on the raw material of the sucker rod, then carrying out tempering, and finally carrying out hot drawing on the raw material of the sucker rod;
step six: shot blasting: placing the raw material of the sucker rod on a moving conveying device, and then performing surface shot blasting strengthening treatment on the raw material of the moving sucker rod by using a shot blasting device;
step seven: and (3) machining: processing the raw material of the sucker rod to enable the size of each part of the raw material of the sucker rod to reach the preset requirement, and rolling threads on the surface of the raw material of the sucker rod;
step eight: ultrasonic frequency quenching: quenching the raw material of the sucker rod for two times;
step nine: paint dipping: and (3) immersing the raw material of the sucker rod into an asphalt paint groove for two minutes, and after the sucker rod is lifted and the paint is dried, completing the preparation of the HY-level sucker rod.
As a preferred technical scheme of the invention, in the first step, one end of the raw material of the sucker rod can be cut, and the size after cutting meets the specified size;
the cutting device is a cutting machine.
In the third step, the five-station upsetting comprises one-station material gathering, two-station material gathering, three-station pre-forging, four-station final forging forming marking and five-station edge cutting.
As a preferable technical scheme of the invention, the forging temperature of the three-station pre-forging is below 1200 ℃, and the forging temperature of the four-station final forging is above 800 ℃.
In the fifth step, a box-type quenching furnace is used for box-type quenching of the sucker rod raw material, a box-type furnace is used for tempering of the sucker rod raw material, and a hydraulic stretcher is used for hot stretching of the sucker rod raw material.
In the eighth step, the old superaudio unit and the new superaudio unit are respectively used when the raw material of the sucker rod is quenched twice.
As a preferred technical solution of the present invention, in the second step, the straightening device is a cold straightening machine.
In a preferred embodiment of the present invention, in the fourth step, the polishing device is an angle grinder.
(III) advantageous effects
Compared with the prior art, the invention provides the HY-level sucker rod production method, which at least has the following beneficial effects:
1. the HY-level sucker rod production method has the advantages that the whole process only comprises sizing, straightening, flat forging, polishing, heat treatment, shot blasting, machining, ultrasonic frequency quenching and paint dipping, the production flow is very simple, the process steps are simplified, the manufacturing cost is reduced, the use of mechanical equipment and the labor input are reduced, and the economic benefit is remarkable.
2. This HY level sucker rod production method, through cold straightener can be the furthest assurance sucker rod straight, prevent the crooked bending of sucker rod, simultaneously, under follow-up thermal treatment, throw ball and the effect of ultrasonic frequency quenching, more further the superhigh strength and the good mechanical properties of having guaranteed the sucker rod, its tensile strength can reach more than 1000Mpa, adapts to the needs of oil production of oil deep well completely, non-deformable.
Drawings
FIG. 1 is a schematic flow diagram of the process of the present invention;
FIG. 2 is a schematic view of the raw material of the sucker rod during the polishing step of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example (b):
referring to fig. 1, the HY-level sucker rod production method includes the following steps:
the method comprises the following steps: sizing: marking and cutting ends on the sucker rod raw materials according to the specified size by using a cutting device to prepare the sucker rod raw materials with the specified size, wherein one end of the sucker rod raw materials can be cut, the size after cutting the ends meets the specified size, preferably, the cutting device is a cutting machine or other cutting equipment, and after cutting, the sucker rod raw materials are placed on a corresponding material rack according to the specification and the size;
step two: straightening: use the coalignment to carry out the alignment to the sucker rod raw materials, the coalignment is cold straightener: when the straightness deviation of the raw material of the sucker rod exceeds 3mm/m and the straightness deviation of the total length exceeds 3.3mm, the raw material of the sucker rod is straightened; when the straightness deviation of the raw material of the sucker rod within any 304.8mm length is larger than 1.65mm, the raw material of the sucker rod is straightened, and the straight ruler leans against the concave surface of the bent part of the raw material of the sucker rod in the measuring range; correspondingly adjusting the angle of a cold straightener driving roller and the distance between compression rollers according to the diameter of the calibrated sucker rod material; the straightness of the 0.61 short pole shank was measured using a gauge length of 152.4mm, with the maximum allowable clearance value of 0.84mm for all sizes of pole; a ruler with the length of 152.4mm is used for leaning against the bent concave surface, the bending amount is the measured gap between the ruler and the surface of the rod body, the maximum allowable gap is determined by adopting the gauge length of 152.4mm, and the maximum allowable gap in the middle of the gauge length is 3.18 mm; bundling every 100 sucker rod raw materials after straightening;
the straight of the sucker rod can be furthest guaranteed through the cold straightening machine, and the sucker rod is prevented from being bent obliquely.
Step three: flat forging: heating a sucker rod raw material by using a heating device, wherein the preferred heating device is a 250KW intermediate frequency furnace, upsetting two ends of the sucker rod raw material by using five stations, wherein the upsetting by using the five stations comprises one-station material gathering, two-station material gathering, three-station pre-forging, four-station final forging forming marking and five-station edge cutting, the forging temperature of the three-station pre-forging is below 1200 ℃, the forging temperature of the four-station final forging is above 800 ℃, and after forging, an air cooling method is adopted in a cooling method.
Step four: polishing: the head of the raw material of the sucker rod is ground by a grinding device, preferably an angle grinder or other grinding equipment, for the purpose of removing burrs, scale and forging defects of the head, and referring to fig. 2, a in fig. 2 should be smoothly transited after grinding, and the size after grinding should be within the tolerance requirement range.
Step five: and (3) heat treatment: firstly, performing box-type quenching on the sucker rod raw material by using a box-type quenching furnace, then tempering the sucker rod raw material by using the box-type quenching furnace, and performing hot stretching on the sucker rod raw material by using a hydraulic stretching machine, wherein the time for box-type quenching and tempering is 55-60 minutes, the cooling medium is clean water, and the temperature of the clean water is lower than 30 ℃.
Step six: shot blasting: place sucker rod raw materials on the conveyor of motion, then use and throw the ball device and carry out the shot blasting on the surface to the sucker rod raw materials of motion and strengthen the processing, conveyor is defeated material machine, and it is the shot blasting machine to throw the ball device, and is concrete, including following step:
1) adjusting the variable speed motor to enable the material conveying machine to start to operate;
2) adjusting the opening amount of a pneumatic gate of the shot blasting machine to enable the steel shots to be uniformly thrown onto a sucker rod body driven by the material conveying machine to move;
3) adjusting a throwing port of a positioning sleeve of the shot blasting machine to obtain an ideal throwing belt;
4) performing shot blasting strengthening treatment on the surface of the sucker rod body to thoroughly remove oxide skin and rust on the surface;
5) and the rod body of the sucker rod after shot blasting should show uniform metal natural color, and the depth of the shot blasting point on the surface is within 0.1 mm.
Step seven: and (3) machining: processing the raw material of the sucker rod to enable the size of each part of the raw material of the sucker rod to reach the preset requirement, and rolling threads on the surface of the raw material of the sucker rod;
step eight: ultrasonic frequency quenching: the method comprises the following steps of carrying out quenching twice on the raw materials of the sucker rod, wherein an old superaudio unit and a new superaudio unit are respectively used during the quenching twice, the heating temperature of a rod body is between 860 and 880 ℃, the heating temperature of a rod head is between 950 and 1050 ℃, the heating time of the rod head is 2 seconds, the heating temperature of a rod tail is 1.5 seconds, a cooling medium is warm water, and the cooling temperature is below 30 ℃.
Step nine: paint dipping: and (3) immersing the raw material of the sucker rod into an asphalt paint groove for two minutes, and after the sucker rod is lifted and the paint is dried, completing the preparation of the HY-level sucker rod.
The working principle and the using process of the invention are as follows:
marking and cutting ends on the raw material of the sucker rod according to the specified size by using a cutting machine to prepare the raw material of the sucker rod with the specified size, wherein one end of the raw material of the sucker rod can be cut and the two ends can be cut, and the size after cutting the ends meets the specified size;
straightening the raw material of the sucker rod by using a cold straightening machine;
heating a raw material of the sucker rod by using an intermediate frequency furnace, upsetting two ends of the raw material of the sucker rod by using five stations, wherein the upsetting by using the five stations comprises one-station material gathering, two-station material gathering, three-station pre-forging, four-station final forging forming marking and five-station edge cutting, the forging temperature of the three-station pre-forging is below 1200 ℃, the forging temperature of the four-station final forging is above 800 ℃, and after forging, a cooling method adopts an air cooling method;
polishing the head of the raw material of the sucker rod by using an angle grinder to remove burrs, oxide skins and forging defects of the head;
firstly, performing box-type quenching on the sucker rod raw material by using a box-type quenching furnace, then tempering the sucker rod raw material by using the box-type quenching furnace, and performing hot stretching on the sucker rod raw material by using a hydraulic stretching machine, wherein the time of the box-type quenching and tempering is 55-60 minutes, the cooling medium is clean water, and the temperature of the clean water is lower than 30 ℃;
placing the raw material of the sucker rod on a moving material conveying machine, and then performing surface shot blasting strengthening treatment on the raw material of the moving sucker rod by using a shot blasting machine;
processing the raw material of the sucker rod to enable the size of each part of the raw material of the sucker rod to reach the preset requirement, and rolling threads on the surface of the raw material of the sucker rod;
respectively using an old ultrasonic frequency unit and a new ultrasonic frequency unit to carry out quenching on the raw material of the sucker rod for two times;
and (3) immersing the raw material of the sucker rod into an asphalt paint groove for two minutes, and after the sucker rod is lifted and the paint is dried, completing the preparation of the HY-level sucker rod.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
- The HY-level sucker rod production method is characterized by comprising the following steps: the method comprises the following steps:s1: sizing: marking and cutting the head of the sucker rod raw material according to the specified size by using a cutting device to obtain the sucker rod raw material with the specified size;s2: straightening: straightening the raw material of the sucker rod by using a straightening device;s3: flat forging: heating the raw material of the sucker rod by using a heating device, and upsetting two ends of the raw material of the sucker rod by using five stations;s4: polishing: polishing the head of the raw material of the sucker rod by using a polishing device to remove head burrs, oxide skins and forging defects;s5: and (3) heat treatment: firstly, carrying out box-type quenching on the raw material of the sucker rod, then carrying out tempering, and finally carrying out hot drawing on the raw material of the sucker rod;s6: shot blasting: placing the raw material of the sucker rod on a moving conveying device, and then performing surface shot blasting strengthening treatment on the raw material of the moving sucker rod by using a shot blasting device;s7: and (3) machining: processing the raw material of the sucker rod to enable the size of each part of the raw material of the sucker rod to reach the preset requirement, and rolling threads on the surface of the raw material of the sucker rod;s8: ultrasonic frequency quenching: quenching the raw material of the sucker rod for two times;s9: paint dipping: and (3) immersing the raw material of the sucker rod into an asphalt paint groove for two minutes, and after the sucker rod is lifted and the paint is dried, completing the preparation of the HY-level sucker rod.
- 2. The HY grade sucker rod production method of claim 1, characterized in that: in the step S1, one end of the raw material of the sucker rod can be cut, and the size of the cut end meets the specified size;the cutting device is a cutting machine.
- 3. The HY grade sucker rod production method of claim 1, characterized in that: in the step S3, the five-station upsetting includes one-station material gathering, two-station material gathering, three-station pre-forging, four-station finish-forging forming marking, and five-station edge cutting.
- 4. The HY grade sucker rod production method of claim 3, characterized in that: the forging temperature of the three-station pre-forging is below 1200 ℃, and the forging temperature of the four-station final forging is above 800 ℃.
- 5. The HY grade sucker rod production method of claim 1, characterized in that: in the step S5, the sucker rod raw material is subjected to box quenching by using a box-type quenching furnace, is subjected to tempering by using a box-type furnace, and is subjected to hot drawing by using a hydraulic drawing machine.
- 6. The HY grade sucker rod production method of claim 1, characterized in that: in step S8, the old superaudio unit and the new superaudio unit are used when the sucker rod raw material is quenched twice.
- 7. The HY grade sucker rod production method of claim 1, characterized in that: in step S2, the straightening device is a cold straightening machine.
- 8. The HY grade sucker rod production method of claim 1, characterized in that: in the step S4, the grinding device is an angle grinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541785.3A CN113275835A (en) | 2021-05-18 | 2021-05-18 | HY-level sucker rod production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541785.3A CN113275835A (en) | 2021-05-18 | 2021-05-18 | HY-level sucker rod production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113275835A true CN113275835A (en) | 2021-08-20 |
Family
ID=77279767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110541785.3A Pending CN113275835A (en) | 2021-05-18 | 2021-05-18 | HY-level sucker rod production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113275835A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478652A (en) * | 1982-07-09 | 1984-10-23 | Woodings Robert T | Class D sucker rods |
| CN1117896A (en) * | 1995-07-11 | 1996-03-06 | 华中理工大学 | Forming technology for hollow sucker rod and mould thereof |
| CN1120984A (en) * | 1995-07-22 | 1996-04-24 | 华中理工大学 | Pumping-rod forging process and the die thereof |
| CN1470735A (en) * | 2002-07-26 | 2004-01-28 | 胜利石油管理局工程机械总厂 | Sucker polish rod manufacturing process |
| CN1749426A (en) * | 2004-09-15 | 2006-03-22 | 玉门石油管理局 | Corrosion-resistant sucker rod and manufacturing method thereof |
| CN100363511C (en) * | 2005-06-28 | 2008-01-23 | 张鹏吉 | Manufacturing technology of ultra high strength oil pumping rod |
| CN102699629A (en) * | 2012-05-29 | 2012-10-03 | 吕少华 | Production method and remanufacturing method for hollow sucker rods |
| CN102717240A (en) * | 2012-07-06 | 2012-10-10 | 常熟市石油固井工具有限公司 | Manufacture method of novel sucker rod |
| CN108188749A (en) * | 2018-02-07 | 2018-06-22 | 宁夏长鑫防腐工程有限公司 | The technique and processing unit that a kind of waste and old beam hanger remanufactures |
| CN108406235A (en) * | 2018-03-15 | 2018-08-17 | 山东高原圣隆抽油杆有限公司 | A kind of production technology of stainless steel Anti-corrosion sucker rod |
| CN111660072A (en) * | 2020-01-04 | 2020-09-15 | 铁岭中油机械设备制造有限公司 | Manufacturing method of anti-corrosion wear-resistant oil pumping polished rod |
| CN112030060A (en) * | 2020-09-10 | 2020-12-04 | 天津市顺泽采油设备有限公司 | Machining method of sucker rod |
-
2021
- 2021-05-18 CN CN202110541785.3A patent/CN113275835A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478652A (en) * | 1982-07-09 | 1984-10-23 | Woodings Robert T | Class D sucker rods |
| CN1117896A (en) * | 1995-07-11 | 1996-03-06 | 华中理工大学 | Forming technology for hollow sucker rod and mould thereof |
| CN1120984A (en) * | 1995-07-22 | 1996-04-24 | 华中理工大学 | Pumping-rod forging process and the die thereof |
| CN1470735A (en) * | 2002-07-26 | 2004-01-28 | 胜利石油管理局工程机械总厂 | Sucker polish rod manufacturing process |
| CN1749426A (en) * | 2004-09-15 | 2006-03-22 | 玉门石油管理局 | Corrosion-resistant sucker rod and manufacturing method thereof |
| CN100363511C (en) * | 2005-06-28 | 2008-01-23 | 张鹏吉 | Manufacturing technology of ultra high strength oil pumping rod |
| CN102699629A (en) * | 2012-05-29 | 2012-10-03 | 吕少华 | Production method and remanufacturing method for hollow sucker rods |
| CN102717240A (en) * | 2012-07-06 | 2012-10-10 | 常熟市石油固井工具有限公司 | Manufacture method of novel sucker rod |
| CN108188749A (en) * | 2018-02-07 | 2018-06-22 | 宁夏长鑫防腐工程有限公司 | The technique and processing unit that a kind of waste and old beam hanger remanufactures |
| CN108406235A (en) * | 2018-03-15 | 2018-08-17 | 山东高原圣隆抽油杆有限公司 | A kind of production technology of stainless steel Anti-corrosion sucker rod |
| CN111660072A (en) * | 2020-01-04 | 2020-09-15 | 铁岭中油机械设备制造有限公司 | Manufacturing method of anti-corrosion wear-resistant oil pumping polished rod |
| CN112030060A (en) * | 2020-09-10 | 2020-12-04 | 天津市顺泽采油设备有限公司 | Machining method of sucker rod |
Non-Patent Citations (2)
| Title |
|---|
| 吴则中等: "《抽油杆》", 31 October 1994, 石油工业出版社 * |
| 王国栋等: "《中国中厚板轧制技术与装备》", 31 October 2009, 冶金工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100815985B1 (en) | Manufacturing method of guide rail for elevator | |
| CN105728601A (en) | Manufacturing process for valve spring | |
| CN108160710A (en) | A kind of seamless pipe manufacturing method of hexagon | |
| CN113275835A (en) | HY-level sucker rod production method | |
| CN102836946A (en) | Roll forging forming process for last stage of moving blade of 600MW unit steam turbine | |
| CN108747713A (en) | Aluminium material surface polishing machine | |
| CN105537487B (en) | Various shaped fishplate manufacture method and mould | |
| CN110076533A (en) | A kind of preparation method of the TC4 Step Shaft applied to petroleum lubricator | |
| CN203346440U (en) | Heat treatment and straightening integrated device used in wire rod production process | |
| CN103464458A (en) | Production method for L type titanium alloy section materials | |
| CN208772208U (en) | Angle steel discharging straightening mechanism | |
| CN208772207U (en) | A kind of angle steel system of processing | |
| CN103480699B (en) | The hot straightener of cross wedge rolling multi-step shaft parts | |
| CN107234406A (en) | Automobile air conditioner compressor helicon gear manufacturing technology | |
| CN106119504B (en) | A kind of coil pipe annealing device | |
| CN106702109B (en) | A kind of prestressing force straightener, quenching apparatus and long-axle workpieces heat treatment method | |
| CN101259489B (en) | Method and die assembly for drawing flower branches of knob handle of stainless steel watch | |
| CN105127679B (en) | A kind of processing technology of valve body | |
| CN208034028U (en) | A kind of full automatic bearing ring forging line | |
| CN208772206U (en) | Angle steel four-roller shaping mechanism | |
| CN114012364B (en) | Machining method of step hole coaxiality gauge | |
| CN109079432B (en) | Production process of anti-deformation guide roller | |
| CN203526259U (en) | Cross wedge rolling multi-stepped-shaft part heat-straightening machine | |
| CN220837300U (en) | Online heat treatment straightener of square rectangular pipe | |
| CN1267620C (en) | Sucker polish rod manufacturing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210820 |
|
| RJ01 | Rejection of invention patent application after publication |