CN109500148B - B type portal channel-section steel pushes down side adjustment formula low temperature orthotic devices - Google Patents
B type portal channel-section steel pushes down side adjustment formula low temperature orthotic devices Download PDFInfo
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- CN109500148B CN109500148B CN201910005724.8A CN201910005724A CN109500148B CN 109500148 B CN109500148 B CN 109500148B CN 201910005724 A CN201910005724 A CN 201910005724A CN 109500148 B CN109500148 B CN 109500148B
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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
- B21D3/02—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 by rollers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
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- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The application provides a low-temperature correction device with an adjustable pressing side of a B-type portal channel steel, which comprises: the upper correcting part is used for correcting the web plate and the flange of the B-type portal channel steel; the upper correcting part comprises a pressing frame, a left frame, a right frame, a left web frame and a right web frame; a left correcting roller is arranged in the left frame, a right correcting roller is arranged in the right frame, a left web roller is arranged in the left web frame, and a right web roller is arranged in the right web frame; the lower correcting part is positioned below the upper correcting part and is used for correcting the support flange and the web plate of the B-type portal channel steel; according to the low-temperature correcting device for the lower pressure side of the B-type portal channel steel, provided by the application, the left web roller, the right web roller, the left correcting roller, the right correcting roller and the lower correcting roller form a space matched with the shape of the B-type portal channel steel, so that the B-type channel steel is driven by the lower correcting roller to slide forward smoothly and simultaneously correct the web, the flange and the supporting flange of the B-type channel steel.
Description
Technical Field
The application belongs to the field of shaping of special-shaped steel, and particularly relates to a low-temperature correction device with an adjustable pressing side of a B-shaped portal channel steel.
Background
The portal channel steel is the special profiled bar that is arranged in fork truck production fork truck to go up and down, and the portal channel steel model of present production is mainly B200, because profiled bar cross-section is not evenly distributed, the atress is inhomogeneous when rolling of steel, and the back is cut to the scale, and the steel receives cooling stress influence and causes the cooling side bending, need correct the steel in order to guarantee the machining precision of steel.
At present, no special deformed steel correcting device is available, the jack is only used for correcting, when the jack is used for correcting, the jack can only be used for correcting locally due to the fact that the steel is large, the accuracy of the correcting mode is low, the working procedure is complex, secondary damage is easily caused to the steel, and therefore a special device is needed to be designed for correcting the B-type portal channel steel.
Accordingly, there is a need to provide a B-type portal channel hold-down side adjustment cryogenically corrected device that addresses the deficiencies of the prior art described above.
Disclosure of Invention
The application aims to provide a low-temperature correction device for the downward-pressing side adjustment of a B-shaped portal channel steel, which at least solves the problems of complex correction procedure, high correction difficulty and low correction precision when correcting special-shaped steel at present.
In order to achieve the above object, the present application provides the following technical solutions:
b type portal channel-section steel pushes down side adjustment formula low temperature orthotic devices, and B type portal channel-section steel includes edge of a wing, web and support edge of a wing, orthotic devices includes:
the upper correcting part is used for correcting the web plate and the flange of the B-type portal channel steel; the upper correcting part comprises a pressing frame, a left frame, a right frame, a left web frame and a right web frame; a left correction roller is arranged in the left frame, a right correction roller is arranged in the right frame, a left web roller is arranged in the left web frame, and a right web roller is arranged in the right web frame;
the lower correcting part is positioned below the upper correcting part and is used for correcting the support flanges and the web plates of the B-type portal frame groove steel; the lower correcting part comprises a base and a lower correcting roller, and the lower correcting roller is arranged on the base;
a hydraulic cylinder for driving the upper correcting part to rise and fall; the upper end of the hydraulic cylinder is connected to the upper correcting part, and the lower end of the hydraulic cylinder is connected to the lower correcting part.
In the above-mentioned low-temperature correction device with the B-shaped portal channel steel pressing side adjusting, preferably, the section of the pressing frame is in an inverted U shape, and the upper surface of the pressing frame is provided with a chute; both sliding grooves extend from the left side surface of the pressing frame to the right side surface of the pressing frame;
the left frame and the right frame are L-shaped, the upper ends of the left frame and the right frame are connected in the sliding groove, the transverse end face of the left frame faces the left side face of the pressing frame, and the transverse end face of the right frame faces the right side face of the pressing frame; the left frame and the right frame form a symmetrical structure.
In the above-mentioned low-temperature correction device with the B-type portal channel steel pressing side adjustment, preferably, the left web roller and the right web roller are both located above the lower correction roller; the left web frame is connected to the lower end of the left frame, and the right web frame is connected to the lower end of the right frame; the length of the right web frame is greater than that of the left web frame; the outer diameter of the left web roller is the same as the outer diameter of the right web roller.
The lower pressure side adjusting type low-temperature correcting device for the B-shaped portal channel steel preferably comprises a first screw rod, a second screw rod, a third screw rod and a fourth screw rod; one end of the first screw rod penetrates through the left side face of the pressing frame to extend and be connected to the upper end of the left frame, and the other end of the first screw rod is located on the outer side of the pressing frame; one end of the second screw rod penetrates through the right side surface of the pressing frame to extend and be connected to the upper end of the right frame, and the other end of the second screw rod is positioned at the outer side of the pressing frame; the third screw rod penetrates through the left side face of the pressing frame and is connected to the transverse end face of the left frame; the fourth screw rod penetrates through the right side face of the pressing frame and is connected to the cross section of the right frame; the first screw rod, the second screw rod, the third screw rod and the fourth screw rod are combined to enable the left frame and the right frame to form a sliding clamping mechanism.
According to the low-temperature correction device with the adjustable lower pressure side of the B-type portal channel steel, preferably, the base is of a rectangular frame structure, the four corners of the base are provided with the upright posts, the lower ends of the upright posts are provided with the base plates, and a plurality of base plates are provided with the threaded through holes; the left side surface of the base and the right side surface of the base are connected with an ear platform, and the hydraulic cylinder is arranged on the ear platform; the lower correcting roller is arranged between the left side surface of the base and the right side surface of the base; the roll shaft of the lower correcting roll is connected with the motor shaft of the driving motor;
preferably, two lower correcting rollers are provided.
In the above-mentioned low-temperature correction device with the B-shaped portal channel steel pressing side adjustment, preferably, two circles of grooves are formed in the outer circumferential surface of the lower correction roller along the circumferential direction of the lower correction roller, and the transverse section of each groove is rectangular; the distance between the two circles of grooves in the axis direction of the lower correcting roller is the same as the distance between the support flanges of the B-type portal frame groove steel.
In the above-described B-type portal channel steel pressing side adjustment type low temperature correction device, preferably, a minimum distance between the outer circumferential surfaces of the left correction roller and the right correction roller is the same as a flange thickness of the B-type portal channel steel.
In the above-mentioned low-temperature correction device with the B-type portal channel steel pressing side adjustment, preferably, the distance between the lowest position of the left web roller and the highest position of the lower correction roller is equal to the thickness of the web of the B-type portal channel steel.
Compared with the closest prior art, the technical scheme provided by the application has the following excellent effects:
according to the low-temperature correcting device for the lower pressure side of the B-type portal channel steel, provided by the application, a space matched with the shape of the B-type portal channel steel is formed by the left web roller, the right web roller, the left correcting roller, the right correcting roller and the lower correcting roller, so that the B-type channel steel is driven by the lower correcting roller to slide forward smoothly and simultaneously corrects the web, the flange and the supporting flange of the B-type channel steel; the low-temperature correction device for the lower pressure side of the B-shaped portal channel steel reduces the correction difficulty of special-shaped steel parts, improves the correction efficiency and correction precision, reduces manpower and saves cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:
FIG. 1 is an isometric view of a B-type portal channel steel hold-down side adjustment type low temperature correction device embodying the present application;
FIG. 2 is a front view of a B-type portal channel steel hold-down side adjustment type low temperature correction device according to the present application;
fig. 3 is a schematic structural diagram of a pressing frame of the B-type portal channel steel pressing side adjusting type low-temperature correcting device according to the present application;
fig. 4 is a schematic structural view of a base of the B-type gantry channel steel pressing side adjustment type low-temperature correction device according to the present application;
fig. 5 is a schematic structural view of a B-type portal channel steel in accordance with the present application.
In the figure: 1. pressing down the frame; 2. a base; 11. a left frame; 12. a right frame; 13. a left correction roller; 14. a right correcting roller; 15. a first screw rod; 16. a second screw rod; 17. a third screw rod; 18. a fourth screw rod; 19. a left web roll; 110. a right web roll; 111. a left web frame; 112. a right web frame; 113. A chute; 21. an ear stand; 22. a lower leveling roller; 23. a column; 24. a backing plate; 25. a hydraulic cylinder; 51. A flange; 52. a web; 53. and supporting the flange.
Detailed Description
The application will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present application and do not require that the present application must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
According to the embodiment of the application, as shown in fig. 1, which is an isometric view of the lower pressure side adjusting type low temperature correcting device of the B-type portal channel steel, the correcting device provided by the application comprises an upper correcting part and a lower correcting part, wherein the upper correcting part and the lower correcting part are connected through a hydraulic cylinder 25, and the hydraulic cylinder 25 can realize the change of the time distance between the upper correcting part and the lower correcting part; a driving motor is connected to the roller shaft of the lower leveling roller 22, and the driving motor drives the lower leveling roller 22 to rotate. In actual operation, when the B-type portal channel steel is corrected, the flange 51 of the B-type portal channel steel is positioned between the left correction roller 13 and the right correction roller 14, and the web 52 of the B-type portal channel steel is positioned between the left web roller 19, the right web roller 110 and the lower correction roller 22; the support flanges 53 of the B-type portal channel steel are respectively positioned in the two grooves of the lower correcting roller 22; the distance between the grooves is equal to the distance between the webs 52. In actual working conditions, the driving motor drives the lower leveling roller 22 to rotate, the lower leveling roller 22 drives the B-shaped portal channel steel to move previously, and the B-shaped portal channel steel drives the left web roller 19, the right web roller, the left leveling roller 13 and the right leveling roller 14 to rotate.
According to an embodiment of the present application, as shown in fig. 2, which is a front view of the B-type portal channel steel pressing side adjusting type low temperature correcting device of the present application, it can be seen from the figure that the left frame 11 and the left correcting roller 13 can slide left and right together by adjusting the first screw 15 and the second screw 16. The degree of inclination of the left web roll 19 can also be varied; the second screw rod 16 and the fourth screw rod 18 are adjusted to enable the right frame 12 and the right correcting roller 14 to slide left and right, and the inclination degree of the correcting roller can be changed; the first, second, third and fourth screws 15, 16, 17 and 18 act together to change the horizontal distance between the left and right correction rollers 13, 14 and thus the thickness of the flange 51 of the B-portal channel. Adjusting the hydraulic cylinder 25 can change the distance between the pressing frame 1 and the lower frame, thereby changing the vertical distance between the left correction roller 13, the right correction roller 14 and the lower correction roller 22, thereby changing the thickness of the web plate 52 of the B-type portal channel steel;
according to an embodiment of the present application, as shown in fig. 3, which is an isometric view of a pressing frame 1 according to an embodiment of the present application, two sliding grooves 113 are provided on the upper surface of the pressing frame 1 so that a left frame 11 and a right frame 12 slide left and right; the left side plate and the right side plate of the pressing frame 1 are also provided with through holes for preventing screw rods. As shown in fig. 4, the base 2 is rectangular, a stand 23 is arranged below the rectangular base 2 to provide support, and a backing plate 24 is arranged below the stand 23 to fix the whole device on the ground.
According to the embodiment of the application, a low-temperature correction device with an adjustable pressing side of a B-shaped portal channel steel comprises a flange 51, a web plate 52 and a supporting flange 53. The orthotic device comprises:
and the upper correcting part is used for correcting the web plate 52 and the flange 51 of the B-type portal channel steel. The upper rectification part includes a pressing frame 1, a left frame 11, a right frame 12, a left web frame 111, and a right web frame 112. A left straightening roller 13 is arranged in the left frame 11, a right straightening roller 14 is arranged in the right frame 12, a left web roller 19 is arranged in the left web frame 111, and a right web roller 110 is arranged in the right web frame 112.
And the lower correcting part is positioned below the upper correcting part. For straightening the support flanges 51 and webs 52 of the B-type portal channel. The lower correcting portion includes a base 2 and a lower correcting roller 22. The base 2 is provided with a lower correcting roller 22.
And a hydraulic cylinder 25 for raising and lowering the upper correcting unit. The upper end of the hydraulic cylinder 25 is connected to the upper correction portion, and the lower end of the hydraulic cylinder 25 is connected to the lower correction portion.
According to the embodiment of the application, the section of the pressing frame 1 is in an inverted U shape, and the upper surface of the pressing frame 1 is provided with a chute 113. Both slide grooves 113 extend from the left side surface of the pressing frame 1 to the right side surface of the pressing frame 1.
The left frame 11 and the right frame 12 are L-shaped, the upper ends of the left frame 11 and the right frame 12 are connected in the sliding groove 113, the transverse end face of the left frame 11 faces the left side face of the pressing frame 1, and the transverse end face of the right frame 12 faces the right side face of the pressing frame 1. The left frame 11 and the right frame 12 form a symmetrical structure.
According to an embodiment of the present application, both the left web roll 19 and the right web roll 110 are located above the lower leveling roll 22. A left web frame 111 is connected to the lower end of the left frame 11, and a right web frame 112 is connected to the lower end of the right frame 12. The length of the right web frame 112 is greater than the length of the left web frame 111. The outer diameter of the left web roller 19 is the same as the outer diameter of the right web roller 110, and the same outer diameter is provided for the left web roller 19 and the right web roller 100 to facilitate the installation of the left web frame 111 and the right web frame 112.
According to an embodiment of the application, the upper correction part further comprises a first screw 15, a second screw 16, a third screw 17 and a fourth screw 18. One end of the first screw 15 is extended through the left side surface of the pressing frame 1 to be connected to the upper end of the left frame 11, and the other end of the first screw 15 is located at the outer side of the pressing frame 1. One end of the second screw 16 extends through the right side surface of the pressing frame 1 to be connected to the upper end of the right frame 12, and the other end of the second screw 16 is located outside the pressing frame 1. The third screw 17 is connected to the lateral end surface of the left frame 11 through the left side surface of the pressing frame 1. The fourth screw 18 is connected to the cross section of the right frame 12 through the right side of the pressing frame 1. The first screw 15, the second screw 16, the third screw 17 and the fourth screw 18 cooperate such that the left frame 11 and the right frame 12 form a sliding clamping mechanism. The flange 51 of the B-section steel may be tightened. According to the specific embodiment of the application, the base 2 is of a rectangular frame structure, the four corners of the base 2 are provided with upright posts 23, the lower ends of the upright posts 23 are provided with backing plates 24, and a plurality of backing plates 24 are provided with threaded through holes. The left side face of the base 2 and the right side face of the base 2 are both connected with an ear platform 21, and a hydraulic cylinder 25 is arranged on the ear platform 21. A lower correcting roller 22 is arranged between the left side surface of the base 2 and the right side surface of the base 2. The roller shaft of the lower correcting roller 22 is connected with the motor shaft of the driving motor. Preferably, the lower correcting roller 22 is provided with two.
According to the embodiment of the application, two circles of grooves are formed in the outer circumferential surface of the lower correcting roller 22 along the circumferential direction of the lower correcting roller 22, and the cross section of each groove is rectangular. There are two grooves, and the distance between the two grooves in the axial direction of the lower correcting roller 22 is the same as the distance between the support flanges 53 of the B-type portal channel steel. The minimum distance between the outer circumferential surfaces of the left correction roller 13 and the right correction roller 14 is the same as the thickness of the flange 51 of the B-type portal channel. The distance between the lowest part of the left web roller 19 and the highest part of the lower leveling roller 22 is equal to the thickness of the web of the B-shaped frame channel steel, and when the B-shaped steel is leveled, the web of the B-shaped steel is arranged between the lower leveling roller 22 and the left web roller 19, and the web 52 is leveled, so that the thickness of the web 52 is the thickness of the web 52.
The low-temperature correction device with the adjustable pressing side for the B-type portal channel steel has the following advantages:
1. the low-temperature correction device with the adjustable lower pressure side of the B-shaped portal channel steel is flexible to install.
2. The low-temperature correction device for the downward pressure side of the B-type portal channel steel provided by the application has high correction precision.
3. The low-temperature correction device with the downward-pressure side adjusted for the B-shaped portal channel steel provided by the application has high working efficiency.
In summary, the lower pressure side adjusting type low-temperature correcting device for the B-type portal channel steel provided by the application forms a space matched with the shape of the B-type portal channel steel through the left web plate roller 19, the right web plate roller 110, the left correcting roller 13, the right correcting roller 14 and the lower correcting roller 22, so that the B-type channel steel is driven by the lower correcting roller 22 to slide forward and smoothly, and simultaneously corrects the web plate 52, the flange 51 and the supporting flange 53 of the B-type channel steel; the low-temperature correction device for the downward pressure side of the B-shaped portal channel steel reduces the correction difficulty of the special-shaped steel piece and improves the correction efficiency and correction precision.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. B type portal channel-section steel pushes down side adjustment formula low temperature orthotic devices, B type portal channel-section steel includes edge of a wing, web and support edge of a wing, its characterized in that, orthotic devices includes:
the upper correcting part is used for correcting the web plate and the flange of the B-type portal channel steel; the upper correcting part comprises a pressing frame, a left frame, a right frame, a left web frame and a right web frame; a left correction roller is arranged in the left frame, a right correction roller is arranged in the right frame, a left web roller is arranged in the left web frame, and a right web roller is arranged in the right web frame;
the lower correcting part is positioned below the upper correcting part and is used for correcting the support flange and the web plate of the B-type portal channel steel; the lower correcting part comprises a base and a lower correcting roller, and the base is provided with the lower correcting roller;
a hydraulic cylinder for driving the upper correcting part to rise and fall; the upper end of the hydraulic cylinder is connected to the upper correcting part, and the lower end of the hydraulic cylinder is connected to the lower correcting part;
the section of the pressing frame is in an inverted U shape, and a chute is formed in the upper surface of the pressing frame; both sliding grooves extend from the left side surface of the pressing frame to the right side surface of the pressing frame;
the left frame and the right frame are L-shaped, the upper ends of the left frame and the right frame are connected in the sliding groove, the transverse end face of the left frame faces the left side face of the pressing frame, and the transverse end face of the right frame faces the right side face of the pressing frame; the left frame and the right frame form a symmetrical structure;
the left web roller and the right web roller are both positioned above the lower correcting roller; the left web frame is connected to the lower end of the left frame, and the right web frame is connected to the lower end of the right frame; the length of the right web frame is greater than that of the left web frame; the outer diameter of the left web roller is the same as that of the right web roller;
two circles of grooves are formed in the outer circumferential surface of the lower correcting roller along the circumferential direction of the lower correcting roller, and the cross section of each groove is rectangular; the distance between the two circles of grooves in the axis direction of the lower correcting roller is the same as the distance between the support flanges of the B-type portal channel steel.
2. The B-type portal channel steel hold-down side adjustment type low temperature correction device as claimed in claim 1, wherein the upper correction part further comprises a first screw, a second screw, a third screw and a fourth screw; one end of the first screw rod penetrates through the left side face of the pressing frame to extend and be connected to the upper end of the left frame, and the other end of the first screw rod is located on the outer side of the pressing frame; one end of the second screw rod penetrates through the right side surface of the pressing frame to extend and be connected to the upper end of the right frame, and the other end of the second screw rod is positioned at the outer side of the pressing frame; the third screw rod penetrates through the left side face of the pressing frame and is connected to the transverse end face of the left frame; the fourth screw rod penetrates through the right side face of the pressing frame and is connected to the transverse end face of the right frame; the first screw rod, the second screw rod, the third screw rod and the fourth screw rod are combined to enable the left frame and the right frame to form a sliding clamping mechanism.
3. The low-temperature correction device for the downward pressure side of the B-type portal channel steel is characterized in that the base is of a rectangular frame structure, upright posts are arranged at four corners of the base, base plates are arranged at the lower ends of the upright posts, and threaded through holes are formed in a plurality of base plates; the left side surface of the base and the right side surface of the base are connected with an ear platform, and the hydraulic cylinder is arranged on the ear platform; the lower correcting roller is arranged between the left side surface of the base and the right side surface of the base; the roll shaft of the lower correcting roll is connected with the motor shaft of the driving motor.
4. A B-type portal channel steel hold-down side adjustable low temperature correction device as claimed in claim 3, wherein two lower correction rollers are provided.
5. A B-type portal channel steel hold-down side adjustable cryogenic rectification apparatus as claimed in claim 1, wherein the minimum distance between the outer circumferential surfaces of the left rectification roller and the right rectification roller is the same as the flange thickness of the B-type portal channel steel.
6. A B-portal channel steel hold-down side adjustable cryogenic rectification apparatus as claimed in claim 1 wherein the distance between the lowest of the left web roll and the highest of the lower rectification roll is equal to the thickness of the web of the B-portal channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005724.8A CN109500148B (en) | 2019-01-03 | 2019-01-03 | B type portal channel-section steel pushes down side adjustment formula low temperature orthotic devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005724.8A CN109500148B (en) | 2019-01-03 | 2019-01-03 | B type portal channel-section steel pushes down side adjustment formula low temperature orthotic devices |
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| CN109500148A CN109500148A (en) | 2019-03-22 |
| CN109500148B true CN109500148B (en) | 2023-09-05 |
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| JPH01254323A (en) * | 1987-12-09 | 1989-10-11 | Kawasaki Steel Corp | Correcting method for h-shape steel |
| JP2004283836A (en) * | 2003-03-19 | 2004-10-14 | Jfe Steel Kk | Apparatus and method for correcting h-section steel |
| KR20100107819A (en) * | 2009-03-26 | 2010-10-06 | 현대제철 주식회사 | Steel straightener |
| CN102205361A (en) * | 2011-03-23 | 2011-10-05 | 太原科技大学 | Straightening roller adjusting device for special-shaped section roller straightening machine |
| CN104014617A (en) * | 2014-05-29 | 2014-09-03 | 安徽新荣钢构有限公司 | H-shaped steel correction device |
| CN106825124A (en) * | 2016-12-29 | 2017-06-13 | 山东钢铁股份有限公司 | H profile steel apparatus for correcting |
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2019
- 2019-01-03 CN CN201910005724.8A patent/CN109500148B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01254323A (en) * | 1987-12-09 | 1989-10-11 | Kawasaki Steel Corp | Correcting method for h-shape steel |
| JP2004283836A (en) * | 2003-03-19 | 2004-10-14 | Jfe Steel Kk | Apparatus and method for correcting h-section steel |
| KR20100107819A (en) * | 2009-03-26 | 2010-10-06 | 현대제철 주식회사 | Steel straightener |
| CN102205361A (en) * | 2011-03-23 | 2011-10-05 | 太原科技大学 | Straightening roller adjusting device for special-shaped section roller straightening machine |
| CN104014617A (en) * | 2014-05-29 | 2014-09-03 | 安徽新荣钢构有限公司 | H-shaped steel correction device |
| CN106825124A (en) * | 2016-12-29 | 2017-06-13 | 山东钢铁股份有限公司 | H profile steel apparatus for correcting |
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| CN109500148A (en) | 2019-03-22 |
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