CN201206013Y - Petroleum pipeline protection axle sleeve - Google Patents
Petroleum pipeline protection axle sleeve Download PDFInfo
- Publication number
- CN201206013Y CN201206013Y CNU2008200462462U CN200820046246U CN201206013Y CN 201206013 Y CN201206013 Y CN 201206013Y CN U2008200462462 U CNU2008200462462 U CN U2008200462462U CN 200820046246 U CN200820046246 U CN 200820046246U CN 201206013 Y CN201206013 Y CN 201206013Y
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- CN
- China
- Prior art keywords
- chassis
- annular sidewall
- shaft sleeve
- petroleum pipeline
- petroleum
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a protective shaft sleeve for petroleum pipelines, which is used for protecting the petroleum pipelines. The protective shaft sleeve comprises an underpan and an annular side wall extending from one surface of the underpan in the side direction of the periphery of the underpan; the underpan and the annular side wall jointly define a barrel-shaped body; and threads are formed on the annular side wall. The underpan and the annular side wall are formed by integrally processing cold rolling plate materials, and the cold rolling plate materials are formed through the rolling by taking hot rolling plate materials as raw materials at the re-crystallization temperature under the room temperature. The precision of the size of the cold rolling plate materials is high; the product performance and the structural organization thereof can satisfy special use requirements such as electromagnetic performance, deep punching performance and the like, and the good resistibility to heat and cold deformation and the moderate weight are showed in the protective shaft sleeve for the petroleum pipelines.
Description
Technical field
The utility model relates to a kind of oil drilling equipment, and more specifically, the utility model relates to a kind of protecting shaft sleeve of petroleum pipeline.
Background technology
The pipe protection axle sleeve that drills for oil is a kind of important auxiliary device; be used for being set in petroleum pipe line by mechanical means such as screw threads; thereby prevent petroleum pipe line because of be subjected to extraneous brute force and impact or collision etc. produces destructive structural distortion, bad phenomenon such as break, and then played the effect of protection petroleum pipe line.
The pipe protection axle sleeve that drills for oil generally is divided into negative thread protection axle sleeve and protects axle sleeve with outside thread, both can be respectively by being mechanically secured on the petroleum pipe line cooperating between the respective threaded on its screw thread and the pipeline that drills for oil (such as the negative thread on the inner-walls of duct or the outside thread on the pipeline outer wall).
The material of protecting shaft sleeve of petroleum pipeline selects that the in-use performance of protection axle sleeve is had fundamental influence, selects suitable material, can prolong the service life of protection axle sleeve; On the contrary, the unsuitable words of material selection then can reduce the performance of protection axle sleeve, thereby shorten its service life, even can't normally use.Simultaneously, suitable protection axle sleeve manufacturing process also has cooresponding influence to the performance of protecting axle sleeve.
Yet, the existing pipeline internal and external screw thread protection axle sleeve that drills for oil, its material, axle sleeve is most for to form with the plastic material manufacturing.The protection axle sleeve that this plastic material is made has the shortcoming that himself is difficult to overcome.Such as, in the field operation environment of extreme cold,, therefore protect axle sleeve can produce shrinkage distortion significantly because acute variation can take place plastic material physical property at low temperatures, break thereby cause plastic material to become fragile easily; And in extremely hot field operation environment, plastic material again can be because of the high temperature resistant property difference softening transform, even may melt, thereby cause protecting axle sleeve can't reach protective effect petroleum pipe line.
In order to overcome the above-mentioned deficiency of plastic material protection axle sleeve, the someone attempts to adopt steel to replace plastic material.Though protection axle sleeve intensity and rigidity that steel is made are very high, and strong to the resistivity of harsh environment.Yet the weight of this steel protection axle sleeve is too big, and can not use accessory appliances when installing, thereby causes protecting the assembling between axle sleeve and the petroleum pipe line to become very difficult.
Therefore, the method that is necessary to provide a kind of protecting shaft sleeve of petroleum pipeline of improvement and processes this protecting shaft sleeve of petroleum pipeline is so that overcome the shortcoming and deficiency of prior art.
The utility model content
The technical matters that the utility model solves provides a kind of protecting shaft sleeve of petroleum pipeline, and moderate, the cold and hot deformation effect of its weight is little and installation is easy.
The utility model adopts following technical scheme:
A kind of protecting shaft sleeve of petroleum pipeline; be used to protect petroleum pipe line; it comprises: the chassis and from the periphery on this chassis laterally from the annular sidewall that extend on the surface on this chassis, described chassis and described annular sidewall have defined barrel jointly, described annular sidewall is provided with screw thread.
Described chassis and annular sidewall are processed by the cold rolled sheet one.Cold rolled sheet is to be raw material with the hot rolled plate, at room temperature is rolled to form below recrystallization temperature.The dimensional accuracy height of this cold rolled sheet, properties of product and structure organization can satisfy some special operatings needs, as electromagnetic performance, deep drawability etc.In the utility model, then show as good cold and hot distortion resistivity and moderate weight.
Preferably, described screw thread is the negative thread that is formed on the internal face of annular sidewall, cooperates with outside thread on the petroleum pipe line thereby be convenient to protecting shaft sleeve of petroleum pipeline, and then is installed to the petroleum pipe line outer wall easily and plays a protective role.In addition; offer on the described chassis a plurality of along the chassis the center and instrument that circumference is symmetrically distributed stretches into the hole; be used to allow special wrench extend into protection axle sleeve inside; thereby will protect axle sleeve to be assembled on the petroleum pipe line; perhaps disassemble from petroleum pipe line; and offer the nameplate suppending hole in the described chassis in the heart, be used to hang the product mark board, with parameters such as the model of discerning petroleum pipe line easily, specifications.In addition, the diameter of described protecting shaft sleeve of petroleum pipeline annular sidewall from described chassis to away from increasing gradually on the axial direction on chassis, thereby make annular sidewall form cone shape.The annular sidewall of this conical structure can make the protection axle sleeve bear extraneous collision in transportation; thereby protected the negative thread on the annular sidewall; make this negative thread not yielding, and then can the assembling between protection axle sleeve and the petroleum pipe line not had a negative impact.That is, can not influence the protection axle sleeve petroleum pipe line that is screwed into, back-outs.
Instrument stretches into the hole and the nameplate suppending hole both can be circle, also can be for other suitable shape, and such as square, as long as be complementary with the shape of special wrench.
Certainly, described screw thread also can be the outside thread on the outside wall surface that is formed at annular sidewall, thereby is convenient to the screw-internal thread fit on protecting shaft sleeve of petroleum pipeline and the petroleum pipe line, and then is installed to the petroleum pipe line inwall easily and plays a protective role.In addition; go up outstanding a plurality of boss that form with another the surperficial relative surface that forms annular sidewall on the described chassis; these a plurality of boss circumference are distributed on the described chassis symmetrically; and defined the criss-cross notch between the center on chassis and the boss; be used to snap in special-purpose cross like spanner, thus can be to the operation such as tighten, unscrew of protection axle sleeve.In addition; described annular sidewall is used to bear extraneous bump near the outside tab-like flange that circularizes on the outer wall on chassis, thereby plays the outside thread on the protection axle sleeve annular sidewall outside wall surface; play baffle effect simultaneously, be used to limit the degree of depth that screws into the petroleum pipe line negative thread.
Compared with prior art, the utlity model has following beneficial effect:
Owing to adopted the protecting shaft sleeve of petroleum pipeline of cold rolled sheet, so moderate, the cold and hot deformation effect of its weight is little and it is easy to install; In addition, the processing method of protecting shaft sleeve of petroleum pipeline that is provided can process the little and easy protecting shaft sleeve of petroleum pipeline of installation of moderate, the cold and hot deformation effect of weight, and this job operation is simple.
Description of drawings
Fig. 1 is the birds-eye view according to the petroleum pipe line outside thread protection axle sleeve of an embodiment of the utility model.
Fig. 2 is that petroleum pipe line outside thread shown in Figure 1 is protected the cutaway view of axle sleeve along the A-A direction.
Fig. 3 is the birds-eye view according to the petroleum pipe line negative thread protection axle sleeve of an embodiment of the utility model.
Fig. 4 is that petroleum pipe line negative thread shown in Figure 3 is protected the cutaway view of axle sleeve along the A-A direction.
Fig. 5 is that petroleum pipe line negative thread shown in Figure 3 is protected the cutaway view of axle sleeve along the B-B direction.
The specific embodiment
With reference to Fig. 1-2; according to an embodiment of the present utility model; a kind of petroleum pipe line outside thread protection axle sleeve 10 is provided; it comprise circular base plate 12 and from the periphery on this chassis 12 laterally from the annular sidewall 18 that extend on the surface on this chassis 12; barrel has been defined jointly with described annular sidewall 18 in described chassis 12, and described annular sidewall 18 is provided with negative thread 11.
Described chassis 12 and annular sidewall 18 are processed by the cold rolled sheet one.Cold rolled sheet is to be raw material with the hot rolled plate, at room temperature is rolled to form below recrystallization temperature.The dimensional accuracy height of this cold rolled sheet, properties of product and structure organization can satisfy some special operatings needs, as electromagnetic performance, deep drawability etc.In the utility model, then show as good cold and hot distortion resistivity and moderate weight.
Preferably, the outside thread (figure does not show) that described negative thread 11 is convenient on protecting shaft sleeve of petroleum pipeline 10 and the petroleum pipe line cooperates, and then is installed to the petroleum pipe line outer wall easily and plays a protective role.In addition; offer a plurality of centers of 12 on the described chassis 12 and instrument that circumference is symmetrically distributed stretches into hole 14 along the chassis; be used to allow special wrench extend into protection axle sleeve 10 inside; thereby will protect axle sleeve 10 to be assembled on the petroleum pipe line; perhaps disassemble from petroleum pipe line; and offer nameplate suppending hole 16 in the described chassis 12 in the heart, be used to hang the product mark board, with parameters such as the model of discerning petroleum pipe line easily, specifications.In addition, the diameter of the annular sidewall 18 of described protecting shaft sleeve of petroleum pipeline 10 from described chassis 12 to away from increasing gradually on the axial direction on chassis 12, thereby make annular sidewall 18 form cone shapes.The annular sidewall 18 of this conical structure can make protection axle sleeve 10 bear extraneous collision in transportation; thereby protected the negative thread 11 on the annular sidewall 18; make this negative thread 11 not yielding, and then can the assembling between protection axle sleeve 10 and the petroleum pipe line not had a negative impact.That is, can not influence protection axle sleeve 10 petroleum pipe line that is screwed into, back-outs.
Described instrument stretches into hole 14 and nameplate suppending hole 16 both can be circle, also can be for other suitable shape, and such as square, as long as be complementary with the shape of special wrench.
Next with reference to figure 3-5; according to another embodiment of the present utility model; a kind of petroleum pipe line negative thread protection axle sleeve 20 is provided; it comprise circular base plate 22 and from the periphery on this chassis 22 laterally from the annular sidewall 24 that extend on the surface on this chassis 22; barrel has been defined jointly with described annular sidewall 24 in described chassis 22, and described annular sidewall 24 is provided with outside thread 26.
Described chassis 22 and annular sidewall 24 are processed by the cold rolled sheet one.Cold rolled sheet is to be raw material with the hot rolled plate, at room temperature is rolled to form below recrystallization temperature.The dimensional accuracy height of this cold rolled sheet, properties of product and structure organization can satisfy some special operatings needs, as electromagnetic performance, deep drawability etc.In the utility model, then show as good cold and hot distortion resistivity and moderate weight.
Certainly, described outside thread 26 is convenient to the screw-internal thread fit on protecting shaft sleeve of petroleum pipeline 20 and the petroleum pipe line, and then is installed to the petroleum pipe line inwall easily and plays a protective role.In addition; go up outstanding a plurality of boss 21 that form with another the surperficial relative surface that forms annular sidewall 24 on the described chassis 22; these a plurality of boss 21 circumference are distributed on the described chassis 22 symmetrically; and defined criss-cross notch 23 between the center on chassis 22 and the boss 21; be used to snap in special-purpose cross like spanner, thus can be to the operation such as tighten, unscrew of protection axle sleeve 20.In addition; described annular sidewall 24 is the outside tab-like flange 28 that circularizes on the close outer wall on chassis 22; be used to bear extraneous bump; thereby play the outside thread 26 on annular sidewall 24 outside wall surface of protecting axle sleeve 20; play baffle effect simultaneously, be used to limit the degree of depth that outside thread 26 screws in the petroleum pipe line negative thread.
Briefly say; the utility model provides a kind of protecting shaft sleeve of petroleum pipeline; be used to protect petroleum pipe line; it comprises: the chassis and from the periphery on this chassis laterally from the annular sidewall that extend on the surface on this chassis; described chassis and described annular sidewall have defined barrel jointly, and described annular sidewall is provided with screw thread.The protecting shaft sleeve of petroleum pipeline that the utility model provides, moderate, the cold and hot deformation effect of its weight is little and installation is easy.
The utility model provides a kind of processing method of protecting shaft sleeve of petroleum pipeline simultaneously, it comprises the steps: at first, with certain thickness, such as the cold-reduced sheet of 2-3mm thickness by suitable pressing equipment, the hydraulic pressure punching machine of 100 tons or 300 tons and punching stretch becomes the plate-like blank for example; Then, by suitable pressing equipment, hydraulic pressure punching machine such as above-mentioned 100 tons or 300 tons is drawn into barrel with above-mentioned plate-like blank, and described barrel laterally defines from the annular sidewall that extend on a surface on this chassis jointly by the chassis and from the periphery on this chassis; Next, by suitable equipment, such as the hydraulic pressure punching machine of above-mentioned 100 tons or 300 tonnages and the ring edge of above-mentioned barrel is carried out overlap; At last, on described annular sidewall, squeeze out screw thread, thereby process described protecting shaft sleeve of petroleum pipeline.
Above-mentioned technology at thread-rolling screw on the annular sidewall can be carried out like this: special-purpose taper pipe thread (such as negative thread or outside thread) extrusion dies is installed on hydraulic pressure screw thread extrusion press, barrel behind the overlap is placed on the extrusion dies pushes, thereby on annular sidewall, squeeze out needed taper pipe thread.This screw thread can be worked in coordination with cooresponding screw thread on the petroleum pipe line, thereby protecting shaft sleeve of petroleum pipeline and petroleum pipe line are assembled together.In addition, push with hydraulic way and can play buffer action, thereby the protection extrusion dies prolongs service life of mould.
It should be noted that: on described annular sidewall, squeeze out in the technology of screw thread, both can on the outside wall surface of annular sidewall, squeeze out outside thread, also can on the internal face of annular sidewall, squeeze out negative thread.
At squeezing out externally threaded situation, described processing method of protecting shaft sleeve of petroleum pipeline may further include following steps, thereby processes the petroleum pipe line outside thread protection axle sleeve shown in Fig. 3-5.
These further steps comprise: after above-mentioned plate-like blank is drawn into barrel, and before described overlap control step, by 100 tons punching machines (such as punch press) and on the described chassis with another the surperficial relative surface that forms annular sidewall on the stretched a plurality of boss of punching press such as four circumference symmetrical distributions, the boss circumference is distributed on the described chassis symmetrically; Next, above-mentioned boss is carried out shaping, promptly four well-distributed boss on the chassis are carried out the punching press finishing, thereby between center chassis and boss, defined the criss-cross notch with 100 tons of punch presses; After above-mentioned overlap control step; the item that contracts is operated; promptly above-mentioned annular sidewall is pushed with 300 tons of hydraulic pressure punching machines; thereby process annular lip near on the outside wall surface on chassis at annular sidewall; be used to bear extraneous bump, thereby the screw thread that squeezes out on the protection annular sidewall plays the effect of baffle plate simultaneously; play baffle effect simultaneously, be used to limit the degree of depth that screws into the petroleum pipe line negative thread.In addition, the order of shaping step and overlap step can be opposite, promptly carries out the overlap operation earlier, and then carry out the shaping operation.
At the situation that squeezes out negative thread, described processing method of protecting shaft sleeve of petroleum pipeline may further include following steps, thereby processes the petroleum pipe line negative thread protection axle sleeve shown in Fig. 1-2.
These further steps comprise: squeeze out negative thread on the internal face of annular side after; with the medium position stamping-out of 100 tons of punching machines (such as punch press) on the chassis go out a plurality of along the chassis the center and instrument that circumference is symmetrically distributed stretches into hole and nameplate suppending hole; instrument stretches into the hole and is used to allow special wrench extend into protection axle sleeve inside; thereby will protect axle sleeve to be assembled on the petroleum pipe line; perhaps disassemble from petroleum pipe line; and the nameplate suppending hole is used to hang the product mark board, with parameters such as the model of discerning petroleum pipe line easily, specifications.The step of above-mentioned thread-rolling screw and stamping-out instrument stretch into the step of hole and nameplate suppending hole can exchange order, promptly first stamping tool stretches into hole and nameplate suppending hole, and then thread-rolling screw.Instrument stretches into the hole and the nameplate suppending hole can be circle, also can be for other suitable shape, and such as square, as long as be complementary with the shape of special wrench.
The processing method of protecting shaft sleeve of petroleum pipeline that the utility model provides can process the little and easy protecting shaft sleeve of petroleum pipeline of installation of moderate, the cold and hot deformation effect of weight, and this job operation is simple.
Although for the purpose of complete sum is known openly, with reference to the specific embodiment the utility model is illustrated, but claims are not thereby limited, and should be regarded as, and those skilled in the art's thinkable all modifications of institute and alternative configuration all fall in the basic instruction set forth herein fully.
Claims (5)
1. protecting shaft sleeve of petroleum pipeline; be used to protect petroleum pipe line; comprise: the chassis and from the periphery on this chassis laterally from the annular sidewall that extend on the surface on this chassis, described chassis and described annular sidewall have defined barrel jointly, described annular sidewall is provided with screw thread.
2. protecting shaft sleeve of petroleum pipeline as claimed in claim 1 is characterized in that: described chassis and annular sidewall are processed by the cold rolled sheet one.
3. protecting shaft sleeve of petroleum pipeline as claimed in claim 1 is characterized in that: described screw thread is the negative thread that is formed on the annular sidewall internal face; Offer on the described chassis a plurality of along the chassis the center and instrument that circumference is symmetrically distributed stretches into hole and nameplate suppending hole; Described instrument stretches into the hole and the nameplate suppending hole is circle or square.
4. protecting shaft sleeve of petroleum pipeline as claimed in claim 1 is characterized in that: the diameter of described protecting shaft sleeve of petroleum pipeline annular sidewall from described chassis to away from increasing gradually on the axial direction on chassis, thereby make annular sidewall form cone shape.
5. protecting shaft sleeve of petroleum pipeline as claimed in claim 1 is characterized in that: described screw thread is the outside thread that is formed on the outside wall surface of annular sidewall; Go up outstanding a plurality of boss that form with another the surperficial relative surface that forms annular sidewall on the described chassis, these a plurality of boss circumference are distributed on the described chassis symmetrically, and have defined the criss-cross notch between the center on chassis and the boss; Described annular sidewall is the outside tab-like flange that circularizes on the close outer wall on chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200462462U CN201206013Y (en) | 2008-04-11 | 2008-04-11 | Petroleum pipeline protection axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200462462U CN201206013Y (en) | 2008-04-11 | 2008-04-11 | Petroleum pipeline protection axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201206013Y true CN201206013Y (en) | 2009-03-11 |
Family
ID=40465080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200462462U Expired - Fee Related CN201206013Y (en) | 2008-04-11 | 2008-04-11 | Petroleum pipeline protection axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201206013Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554939A (en) * | 2008-04-11 | 2009-10-14 | 邓翔威 | Protecting shaft sleeve of petroleum pipeline |
| CN104071445A (en) * | 2014-06-25 | 2014-10-01 | 杨海龙 | Thread protection cap and manufacturing method thereof |
| CN104612600A (en) * | 2015-01-30 | 2015-05-13 | 杨海龙 | Thread protecting cap for well casing |
| CN112678336A (en) * | 2020-12-18 | 2021-04-20 | 中国二十冶集团有限公司 | Protective cap of net rack rod piece high-strength bolt |
-
2008
- 2008-04-11 CN CNU2008200462462U patent/CN201206013Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554939A (en) * | 2008-04-11 | 2009-10-14 | 邓翔威 | Protecting shaft sleeve of petroleum pipeline |
| CN104071445A (en) * | 2014-06-25 | 2014-10-01 | 杨海龙 | Thread protection cap and manufacturing method thereof |
| CN104612600A (en) * | 2015-01-30 | 2015-05-13 | 杨海龙 | Thread protecting cap for well casing |
| CN112678336A (en) * | 2020-12-18 | 2021-04-20 | 中国二十冶集团有限公司 | Protective cap of net rack rod piece high-strength bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20100411 |