CN111889542A - Coaxial asynchronous tensioning device of pipeline end face shaping equipment - Google Patents
Coaxial asynchronous tensioning device of pipeline end face shaping equipment Download PDFInfo
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- CN111889542A CN111889542A CN201910373239.6A CN201910373239A CN111889542A CN 111889542 A CN111889542 A CN 111889542A CN 201910373239 A CN201910373239 A CN 201910373239A CN 111889542 A CN111889542 A CN 111889542A
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- tensioning
- disc
- base plate
- pipeline
- pushing disk
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- 238000007493 shaping process Methods 0.000 title claims abstract description 17
- 210000000078 claw Anatomy 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a coaxial asynchronous tensioning device of pipeline end face shaping equipment, and belongs to the technical field of oil and gas pipeline construction equipment. The device comprises an external fixed guide part and an internal movable tensioning part, the coaxial and asynchronous tensioning function is realized through the elastic push disc and the traction shaft, the concentricity of the tensioning mechanism and the pipeline is ensured, the shaping precision of the end surface of the pipeline is improved, the damage to an anticorrosive coating on the inner wall of the pipeline is reduced through the combined type expansion claw, and the construction quality is improved.
Description
Technical Field
The invention relates to the technical field of accessory facilities of pipeline end face shaping equipment, in particular to a coaxial asynchronous tensioning device of the pipeline end face shaping equipment
Background
Along with the improvement of the automation degree of the construction of the long-distance pipeline, the application of automatic welding is more and more extensive, and the requirement of the automatic welding on the precision of the groove of the end surface of the pipeline is higher, so that the guarantee of the shaping precision of the end surface of the pipeline is the first work for guaranteeing the welding quality of the pipeline.
In the construction of present long distance pipeline, the tight structure that rises of pipeline terminal surface plastic equipment mainly adopts two sets of claws that rise of two hydraulic cylinder drives respectively to rise, and this kind of mode has following not enough:
1. the situation of deflection of the expansion often occurs in the expansion process, the quality of the groove is unqualified due to the fact that the pipeline end face shaping equipment is not concentric with the pipeline,
2. the sliding of the expansion claws on the inner wall of the pipeline during expansion seriously damages the internal corrosion resistance because two groups of expansion claws work simultaneously during expansion, the expansion claws exert force on the pipe wall simultaneously, and once the pipeline end face shaping equipment is inclined to the pipeline, the expansion claws are difficult to adjust to be completely coaxial with the pipeline after being stressed, so that the inclined cutting disc causes unqualified groove quality.
Disclosure of Invention
In order to solve the problems, the invention provides a coaxial asynchronous tensioning device of pipeline end face shaping equipment,
the device includes external fixation direction part, external fixation direction part is including tight pneumatic cylinder that rises, toper adapter sleeve, radial direction base plate I, radial direction base plate II, base plate connecting cylinder, the front end of base plate connecting cylinder is fixed on the radial direction base plate I, the rear end of base plate connecting cylinder is fixed on the radial direction base plate II, the other end of radial direction base plate II with the toper adapter sleeve is connected, the other end of toper adapter sleeve with the end cover flange connection of tight pneumatic cylinder rises, slide bearing has been inlayed at the center of base plate connecting cylinder, radial direction base plate I with a plurality of guiding holes of radial equipartition of radial direction base plate II.
An internal moving tensioner, the internal moving tensioner comprising: the elastic push disc, the traction shaft, the central tensioning disc I, the central tensioning disc II, the connecting rod, the telescopic rod and the combined type tensioning claw are fixed, one end of the elastic push disc is fixed to a piston flange of the tensioning hydraulic cylinder, the other end of the elastic push disc is connected with the traction shaft, the traction shaft penetrates through a central guide hole of the base disc connecting cylinder, the central tensioning disc I and the central tensioning disc II are fixed to the traction shaft respectively, the telescopic rods are uniformly distributed in guide holes of the radial guiding base disc I and the radial guiding base disc II, the connecting rod is hinged to the central tensioning disc I and the central tensioning disc II, and the combined type tensioning claw is fixed to the telescopic rod.
The elastic push disc is composed of a push disc fixing sleeve, a push disc sliding sleeve, a compression spring and an adjusting bolt, the push disc fixing sleeve is in sliding fit with the push disc sliding sleeve, the compression spring is arranged between the push disc fixing sleeve and the push disc sliding sleeve, and the adjusting bolt penetrates through the push disc fixing sleeve and the push disc sliding sleeve to pre-tighten the compression spring.
The combined expansion claw is composed of a pressing block, a roller and a steel pin, the pressing block is processed with four groove positions, the roller is installed in the groove positions through the steel pin, and the roller and the steel pin are subjected to bearing steel quenching and tempering treatment and have high strength and hardness.
The pipeline end face shaping device replaces a tensioning device of the existing pipeline end face shaping device, ensures concentricity of the device and the pipeline, improves the processing precision of the device, reduces damage of the tensioning claws to an anticorrosive coating in the pipeline, and improves construction quality.
Drawings
Fig. 1 is a schematic structural diagram of a coaxial asynchronous tensioning device of a pipeline end face shaping device provided in an embodiment of the present invention;
fig. 2 is a diagram of a use state of a coaxial asynchronous tensioning device of a pipeline end face shaping device provided by an embodiment of the invention;
FIG. 3 is a schematic structural diagram of an elastic pushing disk provided in an embodiment of the present invention;
FIG. 4 is a side view of an elastic push plate provided in an embodiment of the present invention;
FIG. 5 is a schematic view of a combined expansion claw according to an embodiment of the present invention;
FIG. 6 is a front view of a compact provided by an embodiment of the present invention;
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, this embodiment provides a coaxial asynchronous tensioning device of a pipeline end face shaping device, which includes:
the outside fixed guide part comprises tight pneumatic cylinder 1 that rises, toper adapter sleeve 2, radial direction base plate I11, radial direction base plate II 12, base plate connecting cylinder 9, the front end of base plate connecting cylinder 9 is fixed on the radial direction base plate I11, the rear end of base plate connecting cylinder 9 is fixed on the radial direction base plate II 12, the other end of radial direction base plate II 12 with toper adapter sleeve 2 is connected, the other end of toper adapter sleeve 2 with the end cover flange connection of tight pneumatic cylinder 1 that rises, slide bearing has been inlayed at the center of base plate connecting cylinder 9, radial direction base plate I11 with a plurality of guiding holes of radial equipartition of radial direction base plate II 12.
The internal moving tensioning part comprises an elastic push disc 4, a traction shaft 8, a central tensioning disc I3, a central tensioning disc II 10, a connecting rod 5, a combined tensioning claw 6 and a telescopic rod 7, one end of the elastic push disc 4 is fixed on a piston flange of the tensioning hydraulic cylinder 1, the other end of the elastic push disc 4 is connected with the traction shaft 8, the traction shaft 8 penetrates through a central guide hole of a base disc connecting cylinder 9, the central tensioning disc I3 and the central tensioning disc II 10 are respectively fixed on the traction shaft 8, the telescopic rods 7 are uniformly distributed in guide holes of a radial guide base disc I11 and a radial guide base disc II 12 and are hinged with the central tensioning disc I3 and the central tensioning disc II 10 through the connecting rod 5, and the combined tensioning claw 6 is fixed on the telescopic rod 7.
As shown in fig. 3, the elastic push plate 4 is composed of a push plate fixing sleeve 13, a push plate sliding sleeve 14, a compression spring 15, and an adjusting bolt 16, the push plate fixing sleeve 13 is in sliding fit with the push plate sliding sleeve 14, the compression spring 15 is disposed between the push plate fixing sleeve 13 and the push plate sliding sleeve 14, and the adjusting bolt 16 passes through the push plate fixing sleeve 13 and the push plate sliding sleeve 14 to pre-tighten the compression spring 15.
As shown in fig. 5, the combined expansion claw 6 is composed of a pressing block 17, a roller 18 and a steel pin 19, the pressing block 17 is processed with four slots, the roller 18 is installed in the slots through the steel pin 19, and the roller 18 and the steel pin 19 are quenched and tempered by bearing steel and have high strength and hardness.
Examples
The invention is described with reference to fig. 2.
Pressure oil is injected into the tensioning hydraulic cylinder 1, a piston rod of the tensioning hydraulic cylinder 1 pushes the elastic push disc 4 to move forwards, the elastic push disc 4 pushes the central tensioning disc I3 to move forwards, the central tensioning disc I3 enables the telescopic rod 7 on the radial guide base disc I11 to extend out through the connecting rod 5, the combined type expansion claw 6 on the radial guide base disc I11 is gradually close to the pipeline 20, meanwhile, the central tensioning disc I3 pushes the traction shaft 8 to move forwards, the central tensioning disc II 10 moves along with the traction shaft, the central tensioning disc II 10 enables the telescopic rod 7 on the radial guide base disc II 12 to extend out through the connecting rod 5, the combined type expansion claw 6 on the radial guide base disc II 12 is gradually close to the pipeline 20, the combined type expansion claw 6 on the radial guide base disc I11 is firstly tensioned through the elastic stroke of the elastic push disc 4 in the process, the combined type expansion claw 6 on the radial guide base disc II 12 is then enabled to realize coaxial asynchronous action, in the tensioning process, the combined type tensioning claw 6 slides on the inner wall of the pipeline 20 to realize that the whole tensioning device is concentric with the pipeline, and the anticorrosive coating on the inner wall of the pipeline cannot be damaged due to the action of the roller 18, so that when the tensioning hydraulic cylinder 1 reaches the stroke, the tensioning force reaches the maximum, and the whole tensioning action is finished.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A coaxial asynchronous tensioning device for pipeline end face shaping equipment, the device comprising:
the outer fixed guiding part comprises a tensioning hydraulic cylinder, a conical connecting sleeve, a radial guiding base plate I, a radial guiding base plate II and a base plate connecting cylinder, wherein the front end of the base plate connecting cylinder is fixed on the radial guiding base plate I, the rear end of the base plate connecting cylinder is fixed on the radial guiding base plate II, the other end of the radial guiding base plate II is connected with the conical connecting sleeve, the other end of the conical connecting sleeve is connected with an end cover flange of the tensioning hydraulic cylinder, a sliding bearing is embedded in the center of the base plate connecting cylinder, and a plurality of guide holes are uniformly distributed in the radial direction of the radial guiding base plate II.
2. An internal moving tensioner, the internal moving tensioner comprising: the elastic push disc, the traction shaft, the central tensioning disc I, the central tensioning disc II, the connecting rod, the telescopic rod and the combined type tensioning claw are fixed, one end of the elastic push disc is fixed to a piston flange of the tensioning hydraulic cylinder, the other end of the elastic push disc is connected with the traction shaft, the traction shaft penetrates through a central guide hole of the base disc connecting cylinder, the central tensioning disc I and the central tensioning disc II are fixed to the traction shaft respectively, the telescopic rods are uniformly distributed in guide holes of the radial guiding base disc I and the radial guiding base disc II, the connecting rod is hinged to the central tensioning disc I and the central tensioning disc II, and the combined type tensioning claw is fixed to the telescopic rod.
3. The coaxial asynchronous tensioning device for pipeline end face reshaping equipment as claimed in claim 1, wherein the elastic pushing disk is composed of a pushing disk fixing sleeve, a pushing disk sliding sleeve, a compression spring and an adjusting bolt, the pushing disk fixing sleeve is in sliding fit with the pushing disk sliding sleeve, a plurality of compression springs are arranged between the pushing disk fixing sleeve and the pushing disk sliding sleeve, and the adjusting bolt passes through the pushing disk fixing sleeve and the pushing disk sliding sleeve to pre-tighten the compression springs.
4. The coaxial asynchronous tensioning device for the pipeline end face shaping equipment as claimed in claim 1, wherein the combined type tensioning claw is composed of a pressing block, a roller and a steel pin, the pressing block is processed with four slot positions, the roller is installed in the slot positions through the steel pin, and the roller and the steel pin are quenched and tempered by bearing steel and have high strength and hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373239.6A CN111889542A (en) | 2019-05-06 | 2019-05-06 | Coaxial asynchronous tensioning device of pipeline end face shaping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373239.6A CN111889542A (en) | 2019-05-06 | 2019-05-06 | Coaxial asynchronous tensioning device of pipeline end face shaping equipment |
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| CN111889542A true CN111889542A (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910373239.6A Pending CN111889542A (en) | 2019-05-06 | 2019-05-06 | Coaxial asynchronous tensioning device of pipeline end face shaping equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792720A (en) * | 2021-01-14 | 2021-05-14 | 杭州永智信息科技有限公司 | Pneumatic high-adaptability cylindrical workpiece polishing device |
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|---|---|---|---|---|
| EP0164097A2 (en) * | 1984-06-06 | 1985-12-11 | Officine Carrozzerie PATAVIUM A. Zanin S.p.A. | Fluid-operated portable tool for end chamfering large diameter pipe sections particularly in pipeline applications |
| SU1366341A1 (en) * | 1986-07-31 | 1988-01-15 | Институт Электросварки Им.Е.О.Патона | Arrangement for prewelding assembly of circular joints of shell |
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| DK0767719T3 (en) * | 1994-02-14 | 1999-12-20 | R S Brookhouse Engineering Eve | The pipe clamp |
| US6220130B1 (en) * | 1999-08-12 | 2001-04-24 | Lane D. Beakley | Pipe machining apparatus |
| CN101186112A (en) * | 2007-12-19 | 2008-05-28 | 中国化学工业桂林工程公司 | Shaping drum for tyre shaping machine |
| CN201308998Y (en) * | 2008-12-11 | 2009-09-16 | 李凤琴 | Pipe groove hydraulic shaping machine |
| KR101053001B1 (en) * | 2011-05-09 | 2011-07-29 | 김희영 | Pipe line-up clamp |
| CN202639735U (en) * | 2012-02-23 | 2013-01-02 | 洛阳德平机械设备有限公司 | Expanding boot and ejector rob connection pair mechanism for pipeline pneumatic inner aligning device |
| CN103358144A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气集团公司 | Internal expanding type clamping mechanism of large-caliber hot bend bevelling machine |
| CN106475441A (en) * | 2016-10-11 | 2017-03-08 | 西南石油大学 | A kind of multistage bracing type pipeline trimmer |
| CN108568626A (en) * | 2018-06-26 | 2018-09-25 | 四川艾普耐斯油气工程服务有限公司 | A kind of novel pipeline internal clamp |
| CN109027421A (en) * | 2018-09-26 | 2018-12-18 | 湖北三江航天红阳机电有限公司 | Counterpart machine in pipeline |
-
2019
- 2019-05-06 CN CN201910373239.6A patent/CN111889542A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0164097A2 (en) * | 1984-06-06 | 1985-12-11 | Officine Carrozzerie PATAVIUM A. Zanin S.p.A. | Fluid-operated portable tool for end chamfering large diameter pipe sections particularly in pipeline applications |
| SU1366341A1 (en) * | 1986-07-31 | 1988-01-15 | Институт Электросварки Им.Е.О.Патона | Arrangement for prewelding assembly of circular joints of shell |
| JPH0631487A (en) * | 1992-07-14 | 1994-02-08 | Seiatsu:Kk | Positioning jig for welding piping |
| DK0767719T3 (en) * | 1994-02-14 | 1999-12-20 | R S Brookhouse Engineering Eve | The pipe clamp |
| US6220130B1 (en) * | 1999-08-12 | 2001-04-24 | Lane D. Beakley | Pipe machining apparatus |
| CN101186112A (en) * | 2007-12-19 | 2008-05-28 | 中国化学工业桂林工程公司 | Shaping drum for tyre shaping machine |
| CN201308998Y (en) * | 2008-12-11 | 2009-09-16 | 李凤琴 | Pipe groove hydraulic shaping machine |
| KR101053001B1 (en) * | 2011-05-09 | 2011-07-29 | 김희영 | Pipe line-up clamp |
| CN202639735U (en) * | 2012-02-23 | 2013-01-02 | 洛阳德平机械设备有限公司 | Expanding boot and ejector rob connection pair mechanism for pipeline pneumatic inner aligning device |
| CN103358144A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气集团公司 | Internal expanding type clamping mechanism of large-caliber hot bend bevelling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792720A (en) * | 2021-01-14 | 2021-05-14 | 杭州永智信息科技有限公司 | Pneumatic high-adaptability cylindrical workpiece polishing device |
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Application publication date: 20201106 |
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