CN112371773A - Thin pipe inner wall rounding device and using method - Google Patents
Thin pipe inner wall rounding device and using method Download PDFInfo
- Publication number
- CN112371773A CN112371773A CN202011049581.XA CN202011049581A CN112371773A CN 112371773 A CN112371773 A CN 112371773A CN 202011049581 A CN202011049581 A CN 202011049581A CN 112371773 A CN112371773 A CN 112371773A
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- disc
- conical head
- sliding groove
- arc
- telescopic rod
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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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)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a thin tube inner wall rounding device and a using method thereof, the device comprises a circular expansion device and a hydraulic device, the center of a disc is provided with a preformed hole, the lower part of the disc is uniformly distributed with six fixed sliding barrels, each fixed sliding barrel is internally provided with a telescopic rod, the telescopic rods can freely slide in the fixed sliding barrels, the outer end part of each telescopic rod is provided with an arc-shaped supporting plate, and the outer end part of each telescopic rod is welded and fixed with the middle part of the inner arc of the arc-shaped supporting plate; the conical head with the sliding groove is positioned at the lower part of the disc, the upper end of the conical head with the sliding groove penetrates through the preformed hole of the disc, the end sealing plate is welded at the upper end of the conical head with the sliding groove, the hydraulic jack is arranged at the lower part of the conical head with the sliding groove, and the circular expansion device is welded with the hydraulic device through the pull rod. The invention can be used for rounding a small-diameter thin-walled pipe, has high construction efficiency and less material loss, greatly saves cost and time, improves working efficiency, causes less damage to pipe members and has good appearance forming effect after rounding.
Description
Technical Field
The invention relates to the technical field of steel structure engineering processing, in particular to a thin pipe inner wall rounding device and a using method thereof.
Background
In the processing and installation of a pipe structure, a thin-walled pipe member is usually deformed in the process of being subjected to external force, the conventional method is carried out in a mode of matching two-point stress of a jack with fire correction, and the mode has the defects of poor circle correction effect, low construction efficiency, large loss of auxiliary materials, influence of pipe diameter and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a thin pipe inner wall rounding device and a using method thereof, and solves the problem of pipe orifice deformation caused by the inverse transportation of a thin-wall small-radius bent pipe and pipe components in the pipe structure processing and mounting processes.
In order to solve the technical problem, the invention is realized as follows:
the utility model provides a thin pipe inner wall school circle device which characterized in that: the device comprises a circular expansion device and a hydraulic device, wherein the circular expansion device comprises a disc, an arc-shaped support rod, a telescopic rod and a fixed sliding barrel; the center of the disc is provided with a preformed hole, six fixed sliding barrels are uniformly distributed at the lower part of the disc, a telescopic rod is arranged in each fixed sliding barrel and can freely slide in the fixed sliding barrel, an arc-shaped supporting plate is arranged at the outer end part of each telescopic rod, and the outer end part of each telescopic rod is welded and fixed with the middle part of an inner arc of the arc-shaped supporting plate;
the hydraulic device comprises a conical head with a sliding groove, a head sealing plate, a hydraulic jack and a pull rod, wherein the conical head with the sliding groove is located at the lower part of the disc, the upper end of the conical head with the sliding groove penetrates through a preformed hole of the disc, the head sealing plate is welded at the upper end of the conical head with the sliding groove, the hydraulic jack is arranged at the lower part of the conical head with the sliding groove, and the circular expansion device is connected with the hydraulic device through the pull rod 8 in a welded mode.
Thin pipe inner wall school circle device, its characterized in that: the disc is fixed with the six fixed sliding cylinders by welding.
Thin pipe inner wall school circle device, its characterized in that: the fixed sliding cylinder is coated with lubricating oil.
The use method of the thin pipe inner wall rounding device is characterized by comprising the following steps:
the method comprises the following steps: placing the disc expanding device of the circle correcting device in the deformed pipe orifice;
step two: adjusting the device to be vertical to the pipe orifice;
step three: the hydraulic device is operated to enable the conical head with the sliding groove to move forwards, the conical head is extended forwards and meanwhile the telescopic rod is pushed to prop all around, and the inner wall of the contact deformation position of the arc supporting plate is pressed simultaneously, so that the port of the circular pipe is corrected.
The invention has the beneficial effects that: (1) for the thin-wall member with the deformed pipe penetration, the correcting device can quickly correct the round of the deformed rod piece, the loss of the used material is small, the construction is simple and convenient, and the construction cost is reduced.
(2) This school circle device has 6 top vaulting poles, has realized not needing adjustment correction many times to the synchronous top vaulting school of pipe component running-through mouth, has improved correction efficiency, and the shaping is effectual.
(3) The correcting device has the advantages of simple structure, small volume, portability, and good use and various environments.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a schematic top view of fig. 1.
Detailed Description
As shown in fig. 1 and 2: a thin pipe inner wall rounding device comprises a circular expansion device and a hydraulic device, wherein the circular expansion device comprises a disc 1, an arc-shaped support rod 2, a telescopic rod 3 and a fixed sliding barrel 4; the center of the disc is provided with a preformed hole, six fixed sliding barrels are uniformly distributed at the lower part of the disc, a telescopic rod is arranged in each fixed sliding barrel and can freely slide in the fixed sliding barrel, an arc-shaped supporting plate is arranged at the outer end part of each telescopic rod, and the outer end part of each telescopic rod is welded and fixed with the middle part of an inner arc of the arc-shaped supporting plate; the telescopic rods can simultaneously apply external force to the inner wall of the circular pipe to achieve synchronization, so that the corrected pipe orifice is good in forming effect, the number of the support rods can be increased or decreased according to the size of the section of the pipe member, and the uniform force application effect is ensured;
the hydraulic device comprises a conical head 5 with a sliding groove, a head sealing plate 6, a hydraulic jack 7 and a pull rod 8, wherein the conical head with the sliding groove is positioned at the lower part of the disc, the upper end of the conical head with the sliding groove penetrates through a preformed hole of the disc, the head sealing plate is welded at the upper end of the conical head with the sliding groove, the hydraulic jack is arranged at the lower part of the conical head with the sliding groove, and the circular expansion device is connected with the hydraulic device through the pull rod 8 in a welding mode.
Furthermore, the disc and the six fixed sliding cylinders are fixed through welding.
Furthermore, lubricating oil is coated in the fixed sliding cylinder.
The use method of the thin tube inner wall rounding device comprises the following steps:
the method comprises the following steps: placing the disc expanding device of the circle correcting device in the deformed pipe orifice;
step two: adjusting the device to be vertical to the pipe orifice;
step three: the hydraulic device is operated to enable the conical head with the sliding groove to move forwards, the conical head is extended forwards and meanwhile the telescopic rod is pushed to prop all around, and the inner wall of the contact deformation position of the arc supporting plate is pressed simultaneously, so that the port of the circular pipe is corrected.
Claims (4)
1. The utility model provides a thin pipe inner wall school circle device which characterized in that: the device comprises a circular expansion device and a hydraulic device, wherein the circular expansion device comprises a disc, an arc-shaped support rod, a telescopic rod and a fixed sliding barrel; the center of the disc is provided with a preformed hole, six fixed sliding barrels are uniformly distributed at the lower part of the disc, a telescopic rod is arranged in each fixed sliding barrel and can freely slide in the fixed sliding barrel, an arc-shaped supporting plate is arranged at the outer end part of each telescopic rod, and the outer end part of each telescopic rod is welded and fixed with the middle part of an inner arc of the arc-shaped supporting plate;
the hydraulic device comprises a conical head with a sliding groove, a head sealing plate, a hydraulic jack and a pull rod, wherein the conical head with the sliding groove is located at the lower part of the disc, the upper end of the conical head with the sliding groove penetrates through a preformed hole of the disc, the head sealing plate is welded at the upper end of the conical head with the sliding groove, the hydraulic jack is arranged at the lower part of the conical head with the sliding groove, and the circular expansion device is connected with the hydraulic device through the pull rod in a welded mode.
2. The thin tube inner wall rounding device according to claim 1, characterized in that: the disc is fixed with the six fixed sliding cylinders by welding.
3. The thin tube inner wall rounding device according to claim 1, characterized in that: the fixed sliding cylinder is coated with lubricating oil.
4. The use method of the thin tube inner wall rounding device according to the claim 1 is characterized by comprising the following steps:
the method comprises the following steps: placing the disc expanding device of the circle correcting device in the deformed pipe orifice;
step two: adjusting the device to be vertical to the pipe orifice;
step three: the hydraulic device is operated to enable the conical head with the sliding groove to move forwards, the conical head is extended forwards and meanwhile the telescopic rod is pushed to prop all around, and the inner wall of the contact deformation position of the arc supporting plate is pressed simultaneously, so that the port of the circular pipe is corrected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011049581.XA CN112371773A (en) | 2020-09-29 | 2020-09-29 | Thin pipe inner wall rounding device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011049581.XA CN112371773A (en) | 2020-09-29 | 2020-09-29 | Thin pipe inner wall rounding device and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112371773A true CN112371773A (en) | 2021-02-19 |
Family
ID=74580597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011049581.XA Pending CN112371773A (en) | 2020-09-29 | 2020-09-29 | Thin pipe inner wall rounding device and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112371773A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182385A (en) * | 2021-04-21 | 2021-07-30 | 西安航天动力机械有限公司 | Roundness correction device and method for thin-wall cylinder |
| CN113198877A (en) * | 2021-03-27 | 2021-08-03 | 慈溪市飞腾电机有限公司 | Cylindrical product shaping tool |
| CN114367561A (en) * | 2022-03-09 | 2022-04-19 | 中铁长安重工有限公司 | Positioning and forming device and method for annular steel member with super-large diameter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214169A (en) * | 1994-01-25 | 1995-08-15 | I O Center:Kk | Pipe expanding device |
| CN2794668Y (en) * | 2005-01-24 | 2006-07-12 | 江西洪都航空工业集团有限责任公司 | Circule corrector for stick type sieve drum |
| CN102873139A (en) * | 2012-10-25 | 2013-01-16 | 厦门锻压机床有限公司 | Reshaping mechanism for cylinderical workpiece mounted to pressing machine |
| CN103990661A (en) * | 2014-05-30 | 2014-08-20 | 晋西工业集团有限责任公司 | Synchronous circle shaping device for cylindrical work-piece |
| CN205219726U (en) * | 2015-12-21 | 2016-05-11 | 山东延新环保科技有限公司 | All -in -one is vulcanized in no interface conveyer belt shaping of annular |
| CN205519086U (en) * | 2016-04-07 | 2016-08-31 | 江阴创博机械制造有限公司 | Car purifier barrel school circle special mould |
| CN109570272A (en) * | 2018-12-05 | 2019-04-05 | 中核四0四有限公司 | A kind of quick calibrated cylinder part tool |
| CN110834037A (en) * | 2018-08-16 | 2020-02-25 | 成都进禄永建材有限公司 | Pressure vessel barrel roundness correcting device |
| CN211027608U (en) * | 2019-09-10 | 2020-07-17 | 泉州市汇智港智能科技有限公司 | Steel pipe roundness corrector for bridge |
-
2020
- 2020-09-29 CN CN202011049581.XA patent/CN112371773A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214169A (en) * | 1994-01-25 | 1995-08-15 | I O Center:Kk | Pipe expanding device |
| CN2794668Y (en) * | 2005-01-24 | 2006-07-12 | 江西洪都航空工业集团有限责任公司 | Circule corrector for stick type sieve drum |
| CN102873139A (en) * | 2012-10-25 | 2013-01-16 | 厦门锻压机床有限公司 | Reshaping mechanism for cylinderical workpiece mounted to pressing machine |
| CN103990661A (en) * | 2014-05-30 | 2014-08-20 | 晋西工业集团有限责任公司 | Synchronous circle shaping device for cylindrical work-piece |
| CN205219726U (en) * | 2015-12-21 | 2016-05-11 | 山东延新环保科技有限公司 | All -in -one is vulcanized in no interface conveyer belt shaping of annular |
| CN205519086U (en) * | 2016-04-07 | 2016-08-31 | 江阴创博机械制造有限公司 | Car purifier barrel school circle special mould |
| CN110834037A (en) * | 2018-08-16 | 2020-02-25 | 成都进禄永建材有限公司 | Pressure vessel barrel roundness correcting device |
| CN109570272A (en) * | 2018-12-05 | 2019-04-05 | 中核四0四有限公司 | A kind of quick calibrated cylinder part tool |
| CN211027608U (en) * | 2019-09-10 | 2020-07-17 | 泉州市汇智港智能科技有限公司 | Steel pipe roundness corrector for bridge |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198877A (en) * | 2021-03-27 | 2021-08-03 | 慈溪市飞腾电机有限公司 | Cylindrical product shaping tool |
| CN113198877B (en) * | 2021-03-27 | 2022-09-20 | 飞腾精密传动(浙江)有限公司 | Cylindrical product shaping tool |
| CN113182385A (en) * | 2021-04-21 | 2021-07-30 | 西安航天动力机械有限公司 | Roundness correction device and method for thin-wall cylinder |
| CN114367561A (en) * | 2022-03-09 | 2022-04-19 | 中铁长安重工有限公司 | Positioning and forming device and method for annular steel member with super-large diameter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210219 |