CN105499324A - Steel tube opening roundness restoring device and using method thereof - Google Patents
Steel tube opening roundness restoring device and using method thereof Download PDFInfo
- Publication number
- CN105499324A CN105499324A CN201610019753.6A CN201610019753A CN105499324A CN 105499324 A CN105499324 A CN 105499324A CN 201610019753 A CN201610019753 A CN 201610019753A CN 105499324 A CN105499324 A CN 105499324A
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- Prior art keywords
- housing
- steel pipe
- contact device
- mouth
- pipe opening
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- 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)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to a steel tube opening roundness restoring device and a using method thereof. The steel tube opening roundness restoring device and the using method thereof are used for repairing a steel tube opening. Shell flanges are welded to the peripheries of the two ends of a shell respectively, fixing flanges are installed at the two ends of the shell, and oil cylinders are symmetrically arranged at the two ends of an inner cavity of the shell and installed on the fixing flanges. Round wedge blocks are installed at the piston ends of the two oil cylinders respectively and are in a circular truncated cone shape. Inclined wedge blocks are in an arrowhead shape, the tails of the inclined wedge blocks penetrate out of radial holes of the shell, and the angle of the two edges of the arrowhead part of each inclined wedge block is equal to the included angle formed by the two round wedge blocks. Due to the fact that the hydraulic tube expansion repair technology is adopted, the labor intensity of workers is relieved, and the working efficiency and repair quality are improved; cushion blocks with different heights can be replaced in the using process, and thus the application range of the steel tube opening roundness restoring device is expanded.
Description
Technical field
The present invention relates to steel pipe nozzle fix tool and method, specifically a kind of steel pipe opening fourth contact device and using method thereof.
Background technology
Steel pipe exceeds standard at the crossing ellipsization degree manufactured and cause because of external force and other reason in transportation, directly can not carry out groove and the weld job of the mouth of pipe.For the steel pipe of this mouth of pipe, traditional restorative procedure one is that excision crossing ellipsization degree exceeds standard part, then carries out groove, and this way causes certain tubing waste; Two is that contrast is easier to the mouth of pipe of reparation in case of heating, and carry out beaing reparation with instruments such as tups, this method affects next step groove and weld job to a certain extent, also have impact on roughness and the circularity on mouth of pipe surface simultaneously.Above method can cause that the labour intensity of site operation personnel is large, efficiency of construction is low in various degree, and affects construction quality.
Summary of the invention
For solving the problems of the technologies described above, invent a kind of steel pipe opening fourth contact device and using method thereof effectively can repairing the oval mouth of pipe fast.
Technical scheme of the present invention is as follows:
Steel pipe opening fourth contact device, comprise drum type brake housing, periphery, housing two ends welded case flange separately, mounting flange is arranged on housing two ends, mounting flange is fixed by mounting flange bolt and shell flange, be symmetrical arranged oil cylinder in housing cavity two ends, oil cylinder is arranged on mounting flange by oil cylinder set bolt; The piston end of two oil cylinders installs round voussoir separately; Circle voussoir is truncated cone-shaped, and its microcephaly is towards housing central section; Housing central section establishes multiple radial hole; Tapered wedges is arrow-shaped, and its afterbody passes from the radial hole of described housing, and arrow portion is towards housing axis, and the angle on its both sides, arrow portion is identical with the angle that two round voussoirs are formed.
Preferred embodiment one, cushion block is arranged on the arrow tail end of described tapered wedges by cushion block set bolt.
Preferred embodiment two, the arrow two sides of tail of described tapered wedges is provided with back-moving spring, and back-moving spring spring compressor is fixed on housing.
The using method of steel pipe opening fourth contact device, the steps include:
A, by steel pipe opening fourth contact device from mouth of pipe Inserting Tube, alignd substantially with mouth of pipe edge in tapered wedges centre position;
B, stretch out piston by hydraulic pump drive oil cylinder, drive circle voussoir to move ahead jack-up tapered wedges, give the oval mouth of pipe from mouth of pipe inside and apply power, until by mouth of pipe fourth contact to predetermined ovality;
C, complete after, the pressure in unloading cylinder, takes out steel pipe opening fourth contact device in the mouth of pipe.
Compared with prior art, the invention has the advantages that:
Owing to employing hydraulic pressure tube recovery technique, alleviate the labour intensity of workman, improve operating efficiency and repairing quality; Replaceable differing heights cushion block during use, to adapt to the fourth contact of the steel pipe nozzle of different calibers and different wall, has expanded range of application of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of steel pipe opening fourth contact device of the present invention.
Fig. 2 is the right view of A-A section in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing in detail the present invention is described in detail, not limits the scope of the invention, the improvement that all uses mentality of designing of the present invention draws all belongs to protection category of the present invention.
See Fig. 1 and Fig. 2, steel pipe opening fourth contact device, comprise drum type brake housing 3, periphery, housing 3 two ends welded case flange 6 separately, mounting flange 2 is arranged on housing 3 two ends, mounting flange 2 is fixed by mounting flange bolt 1 and shell flange 6, and be symmetrical arranged oil cylinder 8 in housing 3 inner chamber two ends, oil cylinder 8 is arranged on mounting flange 2 by oil cylinder set bolt 7; The piston end of two oil cylinders installs round voussoir 9 separately; Circle voussoir 9 is in truncated cone-shaped, and described truncated cone-shaped i.e. cone remove the partial cone behind tip, and its microcephaly is towards housing central section; Multiple radial hole is established in the middle part of housing 3; Tapered wedges 10 is in arrow-shaped, and its afterbody passes from the radial hole of described housing, and arrow portion is towards housing axis, and the angle on its both sides, arrow portion is identical with the angle that two round voussoirs 9 are formed.
Mounting flange bolt 1 two kinds of fixed forms are installed, one is direct tapping on shell flange 6, and mounting flange bolt 1 is directly screwed on shell flange 6; Two is that shell flange 6 punches, and mounting flange bolt 1 is through fitting nut 14 after shell flange 6.
In order to adapt to different nozzle diameters, can arrange cushion block 11 at the arrow tail end of tapered wedges 10, cushion block 11 is arranged on the arrow tail end of described tapered wedges (10) by cushion block set bolt (15), and the height of cushion block 11 is changed depending on nozzle diameter.
Conveniently construct, the arrow two sides of tail of described tapered wedges 10 is provided with back-moving spring 12, back-moving spring 12 spring compressor 13 is fixed on housing 3, the tapered wedges 10 of apparatus of the present invention can be made like this not stretch when mounted, and complete in construction, after the piston retracts of oil cylinder, tapered wedges 10 can automatic retracted.
Conveniently install, one end of described housing is welded with " L " shape hanger 4, and a lifting eye of hanger 4 is positioned on the center line of housing on vertical.When device is heavier, the both sides of described hanger 4 can also be welded with hanger reinforcement 5.
From practice, be provided with 8 ~ 16 radial holes in the middle part of described housing 3 comparatively suitable.
The using method of steel pipe opening fourth contact device, the steps include:
A, by steel pipe opening fourth contact device from mouth of pipe Inserting Tube, alignd substantially with mouth of pipe edge in tapered wedges 10 centre position;
B, stretch out piston by hydraulic pump drive oil cylinder 8, drive circle voussoir 9 to move ahead jack-up tapered wedges 10, give the oval mouth of pipe from mouth of pipe inside and apply power, until by mouth of pipe fourth contact to predetermined ovality;
C, complete after, the pressure in unloading cylinder 8, takes out steel pipe opening fourth contact device in the mouth of pipe.
During use, can supporting hydraulic hand-pump one, or with a small-sized hydraulic station as power, and according to interface size and operating distance, be equipped with a suitable high-pressure hose.
This device, by adjusting the height of cushion block, adapts to the mouth of pipe fourth contact work of different tube diameters, different wall.
Embodiment as herein described is only exemplary embodiments, but is not limited only to these embodiments, and those skilled in the art can not depart from spirit of the present invention and make amendment under enlightening.A lot of change, combination and amendment may be there is in scheme disclosed herein; and all within the scope of the invention, therefore, protection domain is not limited only to explanation above; but define according to claim, protection domain comprises all equivalents of the target of claim.
Claims (7)
1. steel pipe opening fourth contact device, comprise drum type brake housing (3), housing (3) periphery, two ends is welded case flange (6) separately, mounting flange (2) is arranged on housing (3) two ends, mounting flange (2) is fixed by mounting flange bolt (1) and shell flange (6), it is characterized in that, be symmetrical arranged oil cylinder (8) in housing (3) inner chamber two ends, oil cylinder (8) is arranged on mounting flange (2) by oil cylinder set bolt (7); The piston end of two oil cylinders installs round voussoir (9) separately; Circle voussoir (9) is in truncated cone-shaped, and its microcephaly is towards housing central section; Multiple radial hole is established at housing (3) middle part; Tapered wedges (10) is in arrow-shaped, and its afterbody passes from the radial hole of described housing, and arrow portion is towards housing axis, and the angle on its both sides, arrow portion is identical with the angle that two round voussoirs (9) are formed.
2. steel pipe opening fourth contact device according to claim 1, is characterized in that, cushion block (11) is arranged on the arrow tail end of described tapered wedges (10) by cushion block set bolt (15).
3. steel pipe opening fourth contact device according to claim 1, is characterized in that, the arrow two sides of tail of described tapered wedges (10) is provided with back-moving spring (12), and back-moving spring (12) spring compressor (13) is fixed on housing (3).
4. steel pipe opening fourth contact device according to claim 1, is characterized in that, one end of described housing (3) is welded with " L " shape hanger (4), and a lifting eye of hanger (4) is positioned on the center line of housing on vertical.
5. steel pipe opening fourth contact device according to claim 4, is characterized in that, the both sides of described hanger (4) are welded with hanger reinforcement (5).
6. the steel pipe opening fourth contact device according to the arbitrary claim of Claims 1 to 5, is characterized in that, described housing (3) middle part is provided with 8 ~ 16 radial holes.
7. the using method of steel pipe opening fourth contact device, the steps include:
A, by steel pipe opening fourth contact device from mouth of pipe Inserting Tube, alignd substantially with mouth of pipe edge in tapered wedges (10) centre position;
B, stretch out piston by hydraulic pump drive oil cylinder (8), drive circle voussoir (9) to move ahead jack-up tapered wedges (10), give the oval mouth of pipe from mouth of pipe inside and apply power, until by mouth of pipe fourth contact to predetermined ovality;
C, complete after, the pressure in unloading cylinder (8), takes out steel pipe opening fourth contact device in the mouth of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019753.6A CN105499324A (en) | 2016-01-13 | 2016-01-13 | Steel tube opening roundness restoring device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019753.6A CN105499324A (en) | 2016-01-13 | 2016-01-13 | Steel tube opening roundness restoring device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105499324A true CN105499324A (en) | 2016-04-20 |
Family
ID=55707843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610019753.6A Pending CN105499324A (en) | 2016-01-13 | 2016-01-13 | Steel tube opening roundness restoring device and using method thereof |
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| Country | Link |
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| CN (1) | CN105499324A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935757A (en) * | 2019-12-25 | 2020-03-31 | 哈尔滨工程大学 | Steel pipe nozzle rounding mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710788Y (en) * | 2004-05-09 | 2005-07-20 | 杭州和达机电工程有限公司 | Double expanding block and automatic balancing type round-expanding machine |
| CN202207724U (en) * | 2011-08-31 | 2012-05-02 | 西部钛业有限责任公司 | Thin-wall metal pipe depression repairing device |
| JP5541432B1 (en) * | 2013-05-24 | 2014-07-09 | Ｊｆｅスチール株式会社 | Steel pipe manufacturing method |
| CN203862742U (en) * | 2014-05-30 | 2014-10-08 | 晋西工业集团有限责任公司 | Synchronous rounding device for cylindrical part |
| CN104324983A (en) * | 2014-11-14 | 2015-02-04 | 中国石油集团渤海石油装备制造有限公司 | Steel pipe diameter repairing device |
| CN104416023A (en) * | 2013-08-28 | 2015-03-18 | 常州华腾合金材料有限公司 | Working fixture for correcting inner circle of alloy pipe |
| CN205270447U (en) * | 2016-01-13 | 2016-06-01 | 中石化石油工程技术服务有限公司 | Steel pipe mouth fourth contact device |
-
2016
- 2016-01-13 CN CN201610019753.6A patent/CN105499324A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710788Y (en) * | 2004-05-09 | 2005-07-20 | 杭州和达机电工程有限公司 | Double expanding block and automatic balancing type round-expanding machine |
| CN202207724U (en) * | 2011-08-31 | 2012-05-02 | 西部钛业有限责任公司 | Thin-wall metal pipe depression repairing device |
| JP5541432B1 (en) * | 2013-05-24 | 2014-07-09 | Ｊｆｅスチール株式会社 | Steel pipe manufacturing method |
| CN104416023A (en) * | 2013-08-28 | 2015-03-18 | 常州华腾合金材料有限公司 | Working fixture for correcting inner circle of alloy pipe |
| CN203862742U (en) * | 2014-05-30 | 2014-10-08 | 晋西工业集团有限责任公司 | Synchronous rounding device for cylindrical part |
| CN104324983A (en) * | 2014-11-14 | 2015-02-04 | 中国石油集团渤海石油装备制造有限公司 | Steel pipe diameter repairing device |
| CN205270447U (en) * | 2016-01-13 | 2016-06-01 | 中石化石油工程技术服务有限公司 | Steel pipe mouth fourth contact device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935757A (en) * | 2019-12-25 | 2020-03-31 | 哈尔滨工程大学 | Steel pipe nozzle rounding mechanism |
| CN110935757B (en) * | 2019-12-25 | 2021-07-06 | 哈尔滨工程大学 | Steel pipe nozzle rounding mechanism |
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Application publication date: 20160420 |
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