CN109500149B - B type portal channel-section steel roll formula low temperature orthotic devices - Google Patents
B type portal channel-section steel roll formula low temperature orthotic devices Download PDFInfo
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- CN109500149B CN109500149B CN201910005726.7A CN201910005726A CN109500149B CN 109500149 B CN109500149 B CN 109500149B CN 201910005726 A CN201910005726 A CN 201910005726A CN 109500149 B CN109500149 B CN 109500149B
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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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Abstract
The application provides a rolling type low-temperature correcting device for B-shaped portal channel steel, which comprises the following components: the upper correcting part is used for correcting the flange of the B-type portal channel steel and the supporting flange; the upper correcting part comprises an upper frame, an upper correcting roller and a flange upper roller; the upper correcting roller and the flange upper roller are arranged on the upper frame; the flange upper roller is positioned at the lower side of the upper correcting roller; the lower correcting part is positioned below the upper correcting part and is used for correcting the flange and the supporting flange of the B-type portal channel steel; the side correcting part is connected to the lower correcting part and is used for correcting the web plate and the supporting flange of the B-type portal channel steel; the side correcting part comprises a base and a side correcting roller, the base is arranged on the lower frame, and the side correcting roller is arranged on the base; the rolling type low-temperature correcting device for the B-shaped portal channel steel provided by the application can be used for correcting the web plate, the flange and the supporting flange of the B-shaped channel steel while the B-shaped channel steel is driven by the lower correcting roller to slide forward and smoothly.
Description
Technical Field
The application belongs to the field of shaping of special-shaped steel, and particularly relates to a rolling type low-temperature correcting device for channel steel of a B-shaped portal.
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 correction device for deformed steel is available, and only a jack is used for correcting, so that the correction mode is low in precision and easy to cause secondary damage to steel, and therefore, a special device is required to be designed for correcting the B-type portal channel steel.
Accordingly, there is a need to provide a rolling cryogenically corrected B-type portal channel which addresses the deficiencies of the prior art described above.
Disclosure of Invention
The application aims to provide a rolling type low-temperature correction device for B-shaped portal channel steel, which at least solves the problems of 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 roll formula low temperature orthotic devices, 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 flange and the supporting flange of the B-type portal channel steel; the upper correcting part comprises an upper frame, an upper correcting roller and a flange upper roller; the upper correcting roller and the flange upper roller are arranged on the upper frame; the flange upper roller is positioned at the lower side of the upper correcting roller;
the lower correcting part is positioned below the upper correcting part and is used for correcting the flange and the supporting flange of the B-type portal channel steel; the lower correcting part comprises a lower frame, a lower correcting roller and a flange lower roller; the lower correcting roller and the flange lower roller are arranged on the lower frame; the outer diameter and the height of the lower correcting roller are larger than those of the flange lower roller; the lower correcting roller is positioned at the lower side of the flange lower roller;
the side correcting part is connected to the lower correcting part and is used for correcting the web plate and the supporting flange of the B-type portal channel steel; the side correcting part comprises a base and a side correcting roller, the base is arranged on the lower frame, and the side correcting roller is arranged on the base.
The rolling type low-temperature correcting device for the B-shaped portal channel steel comprises a lower frame, wherein the lower frame comprises a supporting plate; the upper end of the supporting plate is connected with an upper roller frame, the lower end of the supporting plate is connected with an upper flange frame, and the upper roller frame and the upper flange frame are vertically connected with the supporting plate to form a Z-shaped structure; the upper roller frame is provided with the upper correcting roller, and the upper flange frame is provided with the flange upper roller;
preferably, the upper leveling rollers are provided with five, and the five upper leveling rollers are arranged in parallel;
still preferably, the flange upper rollers are provided with five, and the five flange upper rollers are arranged in parallel.
The rolling type low-temperature correcting device for the B-type portal channel steel comprises a lower frame, a lower frame and a lower flange frame, wherein the lower frame comprises a side roller frame, a lower roller frame and a lower flange frame; the lower flange frame is rectangular; the side roller frame is arranged above the left side of the lower flange frame; the lower roll frame is arranged above the right side of the lower flange frame; the lengths of the side roller frames and the lower roller frame are smaller than the length of the lower flange frame;
a lower correcting roller is arranged in the lower flange frame; the outer diameter of the lower leveling roller is larger than that of the upper leveling roller, and the height of the lower leveling roller is larger than that of the upper leveling roller.
The rolling type low-temperature correcting device for the B-shaped portal channel steel comprises a lower frame, wherein the lower frame comprises a lower frame body and a lower frame body; the sleeve is located the top of top flange frame, the sleeve is the L shape of horizontal, telescopic one end is connected in the backup pad, telescopic other end sets up vertically downwards, just the blind hole has been seted up to telescopic other end.
The rolling type low-temperature correcting device for the B-type portal channel steel preferably further comprises a connecting plate and a connecting shaft flange; one end of the connecting plate is arranged on the outer surface of the lower roller frame, and the other end of the connecting plate is vertically upwards; the connecting shaft flange is arranged at one end of the lower correcting roller; the plurality of connecting shaft flanges are matched with the plurality of lower correcting rollers; the connecting shaft flange is used for being connected with a driving shaft of a motor to provide driving force for the lower correcting roller.
According to the rolling type low-temperature correcting device for the B-type portal channel steel, preferably, one side, close to the lower roller frame, of the side roller frame is connected with the seat grooves, the seat grooves are U-shaped, the two seat grooves are sequentially arranged along the length direction of the side roller frame, the base is arranged in the seat grooves, and the side correcting rollers are rotationally connected to the base; the upper end of the lower roll frame is provided with a flange lower roll; the plurality of flange lower rollers are uniformly arranged along the length direction of the lower roller frame;
preferably, the flange lower roller is provided with six.
In the rolling type low-temperature correction device for the B-type portal channel steel, preferably, a left through hole is formed in the left side of the lower flange frame, and a right through hole is correspondingly formed in the right side of the lower flange frame; the connecting lines of the two corresponding left through holes and the right through holes are parallel to the wide edge of the lower flange frame.
In the rolling type low-temperature correcting device for the B-type portal channel steel, preferably, the axial length of the side correcting roller is smaller than that of the lower correcting roller; the outer diameter of the side correcting roller is larger than that of the lower correcting roller; the side leveling rollers are positioned above the lower leveling rollers;
preferably, the outer diameter of the side straightening roll is equal to the width between two support flanges of the B-type portal channel steel.
In the rolling type low-temperature correction device for the B-type portal channel steel, preferably, a plurality of flange upper rollers and a plurality of flange lower rollers are correspondingly arranged, and the height between the flange upper rollers and the flange lower rollers is equal to the thickness of the flange of the B-type portal channel steel.
In the rolling type low-temperature correcting device for the B-type portal channel steel, preferably, the upper correcting roller is positioned above the side correcting roller; the height between the upper leveling roller and the side leveling roller is equal to the thickness of the B-type portal channel steel supporting flange.
Compared with the closest prior art, the technical scheme provided by the application has the following excellent effects:
according to the rolling type low-temperature correcting device for the B-shaped portal channel steel, the upper correcting roller, the lower correcting roller, the flange upper roller and the flange lower roller form a space matched with the shape of the B-shaped portal channel steel, so that the web plate, the flange and the supporting flange of the B-shaped portal channel steel are corrected while the B-shaped portal channel steel slides forward and smoothly under the drive of the lower correcting roller; the rolling type low-temperature correction device for the B-shaped portal channel steel reduces the correction difficulty of special-shaped steel pieces, 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-portal channel steel rolling type low temperature orthotic device embodying the present application;
FIG. 2 is a schematic diagram of a rolling type low-temperature correction device for B-type portal channel steel in the embodiment of the application;
FIG. 3 is a front view of an upper frame of a B-portal channel rolling cryogenically correct device embodying the application;
FIG. 4 is a schematic view of the lower frame of the rolling type cryogenic rectification system of B-type portal channel steel implemented in 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. an upper frame; 2. a correcting roller is arranged on the upper part; 3. a flange upper roller; 4. a lower frame; 5. a lower leveling roller; 6. a flange lower roller; 7. a base; 8. a side straightening roller; 9. a connecting plate; 10. a coupling flange; 11. an upper roller frame; 12. an upper flange frame; 13. a support plate; 14. a sleeve; 41. a lower flange frame; 42. a lower roll frame; 43. a side roller frame; 51. a flange; 52. a web; 53. supporting the flange; 71. a seat groove.
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 a specific embodiment of the application, the application provides a rolling type low-temperature correcting device for a B-type portal channel steel, as shown in fig. 1, which is a first structural schematic diagram of the rolling type low-temperature correcting device for the B-type portal channel steel. The lower leveling rollers 5 are connected with a driving motor, each lower leveling roller 5 is connected with a shaft of the motor through a connecting shaft flange 10, and the number of the lower leveling rollers 5 is four. The number of the side correcting rollers 8 is two; the side leveling rollers 8 are positioned above the lower leveling rollers 5; the upper leveling roll 2 is positioned above the side leveling roll 8; the B-type portal channel steel belongs to a special shape, when the B-type portal channel steel is corrected, a flange 51 of the B-type portal channel steel is left placed, each correction roller of the correction device forms a space matched with the B-type portal channel steel, and the B-type portal channel steel is placed into the correction device; the flange 51 of the B-type portal channel steel is positioned between the flange upper roller 3 and the flange lower roller 6, and the flange upper roller 3 jointly rectify the flange of the B-type portal channel steel. The web 52 of the B-type portal channel is located between the upper frame 1 and the side straightening rollers 8, and the lower support flange 53 is located between the lower straightening rollers 5 and the side straightening rollers 8. The upper support flange 53 is located between the upper leveling roll 2 and the side leveling roll 8. The lower leveling roller 5 and the side leveling roller 8 together leveling the lower support flange 53, and the upper leveling roller 2 and the side leveling roller 8 together leveling the upper support flange 53. Because the lower leveling roller 5 is a driving roller, the B-shaped portal channel steel can move forwards under the driving of the rolling of the lower leveling roller 5, and can drive the flange upper roller 3, the flange lower roller 6, the upper leveling roller 2 and the side leveling roller 8 to rotate together while moving; the height between the upper leveling roll 2 and the side leveling roll 8, and the height between the flange upper roll 3 and the flange lower roll 6 can be changed as long as the vertical separation between the upper leveling part and the lower leveling part is changed;
according to the embodiment of the present application, as shown in fig. 2, which is a second structural schematic diagram of the rolling type low-temperature correction device for the B-type portal channel steel, it can be seen that the upper correction roller 2 and the side correction roller 8 are both located on the upper frame 1, and the upper frame 1 is further provided with a sleeve 14; a connecting plate 9 is arranged in the sleeve 14, the connecting plate 9 is fixed on the lower frame 4, and the lower frame 4 is also provided with a flange lower roller 6 and a side correcting roller 8; when the upper correction portion moves downward, the connection plate 9 is retracted into the sleeve 14. The distance between the side straightening roller 8 and the lower straightening roller 5 is reduced, and the thickness of the B-shaped portal channel steel supporting flange 53 is reduced; the distance between the flange upper roller 3 and the flange lower roller 6 is also shortened, and the flange 51 of the B-type portal channel becomes thinner.
According to the embodiment of the application, as shown in fig. 3, which is a front view of an upper frame 1 of the B-type portal channel steel rolling type low temperature correcting device, a sleeve 14 is arranged on the upper frame 1 and forms a telescopic structure with a connecting plate 9 arranged on a lower frame 4, so that the distance between an upper correcting part and a lower correcting part can be changed; as shown in fig. 4, the lower frame 4 of the B-type portal channel steel rolling type low temperature correcting device according to the present application is schematically shown, and it is understood that the side correcting portion of the present application is provided on the lower correcting portion, the side roller frame 43 is provided on the lower flange frame 41, two seat grooves 71 are provided on the side roller frame 43, a base is provided in the seat groove 71, and the side correcting roller 8 is provided on the base. In practical application, the side correcting roller 8 is positioned between the two support flanges 53 of the B-type portal channel steel;
according to an embodiment of the application, a rolling type low-temperature correcting device for B-type 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 flange 51 and the supporting flange 53 of the B-type portal channel steel. The upper leveling part comprises an upper frame 1, an upper leveling roller 2 and a flange upper roller 3. The upper leveling rolls 2 and the flange upper rolls 3 are both provided on the upper frame 1. The flange upper roller 3 is positioned at the lower side of the upper leveling roller 2.
And the lower correcting part is positioned below the upper correcting part. For straightening the flanges of the B-type portal channel and the support flanges 53. The lower correcting part comprises a lower frame 4, a lower correcting roller 5 and a flange lower roller 6. The lower leveling rollers 5 and the flange lower rollers 6 are both provided on the lower frame 4. The outer diameter and height of the lower leveling rolls 5 are greater than the outer diameter and height of the flange lower rolls 6. The lower leveling rollers 5 are positioned below the flange lower rollers 6.
And the side correcting part is connected to the lower correcting part. For straightening the web 52 and support flanges of the B-type portal channel. The side correcting portion includes a base and a side correcting roller 8. The base is provided on the lower frame 4, and the side correcting roller 8 is provided on the base.
According to an embodiment of the present application, the upper frame 1 includes a support plate 13 and a sleeve 14. The upper roller frame 11 is connected to the upper end of the supporting plate 13, the upper flange frame 12 is connected to the lower end of the supporting plate 13, and the upper roller frame 11 and the upper flange frame 12 are vertically connected to the supporting plate 13 to form a Z-shaped structure. An upper correcting roller 2 is arranged on the upper roller frame 11, and a flange upper roller 3 is arranged on the upper flange frame 12. Preferably, there are five upper leveling rollers 2, and the five upper leveling rollers 2 are arranged in parallel. It is further preferable that the flange upper rollers 3 have five, and the five flange upper rollers 3 are arranged in parallel. The flange upper rollers 3 are arranged in parallel, so that the B-shaped portal channel steel can smoothly pass through the correction device, the number of the flange upper rollers 3 is five, the best choice according to the size of the rollers in a certain correction space is realized, and the number of the flange upper rollers 3 can be changed in some practical operations so as to be suitable for different working occasions.
According to an embodiment of the present application, the lower frame 4 includes a side roller frame 43, a lower roller frame 42, and a lower flange frame 41. The lower flange 41 has a rectangular shape. The side roller frame 43 is provided above the left side of the lower flange frame 41. The lower roll frame 42 is provided above the right side of the lower flange frame 41. The length of the side roller frames 43 and the lower roller frame 42 is smaller than the length of the lower flange frame 41. This arrangement is advantageous in stabilizing the center of gravity of the correction device such that the length of the upper correction roller frame is smaller than the length of the lower flange frame 41, and if the alignment length of the upper correction rollers exceeds the length of the lower frame, the center of gravity may be high, resulting in unstable device.
A lower correction roller 5 is provided in the lower flange frame 41. The outer diameter of the lower leveling roller 5 is larger than the outer diameter of the upper leveling roller 2, and the height of the lower leveling roller 5 is larger than the height of the upper leveling roller 2. The lower leveling roller 5 is a driving roller, and should be set as a roller with a large outer diameter to increase contact with the B-type steel and drive the steel to advance, and the upper leveling roller 2 only provides pressure, so that the upper leveling roller is higher than the lower leveling roller 5.
According to an embodiment of the application, the lower frame 4 further comprises a sleeve 14. The sleeve 14 is located the top of top flange frame 12, and sleeve 14 takes the L shape of horizontal, and the one end of sleeve 14 is connected on backup pad 13, and the other end of sleeve 14 sets up vertically downwards, and the blind hole has been seted up to the other end of sleeve 14.
According to an embodiment of the application, the orthosis further comprises a connecting plate 9 and a connecting shaft flange 10. One end of the connecting plate 9 is arranged on the outer surface of the lower roller frame 42, and the other end of the connecting plate 9 is vertically upwards. The coupling flange 10 is provided at one end of the lower correcting roller 5. The plurality of coupling flanges 10 are arranged in a matching manner with the plurality of lower correcting rollers 5. The coupling flange 10 is used to connect the drive shaft of the motor to provide the driving force for the lower leveling roll 5.
According to the embodiment of the application, a seat groove 71 is connected to one side of the side roller frame 43, which is close to the lower roller frame 42, the seat groove 71 is U-shaped, the two seat grooves 71 are sequentially arranged along the length direction of the side roller frame 43, a base is arranged in the seat groove 71, and a side correcting roller 8 is rotatably connected to the base. The upper end of the lower roll frame 42 is provided with a flange lower roll 6. The plurality of flange lower rolls 6 are uniformly arranged along the length direction of the lower roll frame 42. Preferably, there are six flange lower rollers 6.
According to the embodiment of the present application, the left side of the lower flange 41 is provided with a through hole, and the right side of the lower flange 41 is correspondingly provided with a through hole. The connection line of two corresponding through holes is parallel to the broadside of the lower flange frame 41. The length of the side straightening rollers 8 is smaller than the height of the lower straightening rollers 5. The outer diameter of the side correcting roller 8 is larger than the outer diameter of the lower correcting roller 5. The side straightening rollers 8 are located above the lower straightening rollers 5. Preferably, the outer diameter of the side straightening roll 8 is equal to the width between the two support flanges 53 of the B-type portal channel. The plurality of flange upper rollers 3 are provided corresponding to the plurality of flange lower rollers 6, and the thickness of the flange 51 of the B-type portal channel is said to be equal to the height between the flange upper rollers 3 and the flange lower rollers 6 when the device is applied because the flange upper rollers 3 and the flange lower rollers 6 are spaced apart from each other, and the distance is equal to the thickness of the flange 51 when the device is actually applied. The upper leveling rollers 2 are located above the side leveling rollers 8. The height between the upper leveling roll 2 and the side leveling roll 8 is equal to the thickness of the B-type portal channel steel supporting flange.
Besides, the application also provides the operation steps of the device:
step one, the upper leveling roll 2 and the flange leveling roll are respectively installed on the upper frame 1.
And step two, the side leveling rollers 8 and the lower leveling rollers 5 are mounted on the lower frame 4.
And step three, during operation, the B-shaped portal channel steel enters the correction frame and passes through the correction frame to be corrected under the drive of the lower correction roller 5.
The rolling type low-temperature correcting device for the B-type portal channel steel has the following advantages:
1. the rolling type low-temperature correction device for the B-type portal channel steel is flexible to install.
2. The rolling type low-temperature correction device for the B-type portal channel steel provided by the application has high correction precision.
3. The B-type portal channel steel rolling type low-temperature correction device provided by the application has high working efficiency.
In summary, the rolling type low-temperature correcting device for the B-shaped portal channel steel provided by the application forms a space matched with the shape of the B-shaped portal channel steel through the upper correcting roller 2, the lower correcting roller 5, the flange upper roller 3 and the flange lower roller 6, so that the B-shaped channel steel is driven by the lower correcting roller 5 to slide forward smoothly and simultaneously corrects the web plate 52, the flange 51 and the supporting flange 53 of the B-shaped channel steel; the rolling type low-temperature correction device for the B-shaped portal channel steel reduces the correction difficulty of special-shaped steel pieces, improves the correction efficiency and correction precision, reduces manpower and saves cost.
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 (10)
1. B type portal channel-section steel roll 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 flange and the supporting flange of the B-type portal channel steel; the upper correcting part comprises an upper frame, an upper correcting roller and a flange upper roller; the upper correcting roller and the flange upper roller are arranged on the upper frame; the flange upper roller is positioned at the lower side of the upper correcting roller;
the lower correcting part is positioned below the upper correcting part and is used for correcting the flange and the supporting flange of the B-type portal channel steel; the lower correcting part comprises a lower frame, a lower correcting roller and a flange lower roller; the lower correcting roller and the flange lower roller are arranged on the lower frame; the outer diameter and the height of the lower correcting roller are larger than those of the flange lower roller; the lower correcting roller is positioned at the lower side of the flange lower roller;
the side correcting part is connected to the lower correcting part and is used for correcting the web plate and the supporting flange of the B-type portal channel steel; the side correcting part comprises a base and a side correcting roller, the base is arranged on the lower frame, and the side correcting roller is arranged on the base; the upper frame comprises a support plate; the upper end of the supporting plate is connected with an upper roller frame, the lower end of the supporting plate is connected with an upper flange frame, and the upper roller frame and the upper flange frame are vertically connected with the supporting plate to form a Z-shaped structure; the upper roller frame is provided with the upper correcting roller, and the upper flange frame is provided with the flange upper roller;
the lower frame comprises a side roller frame, a lower roller frame and a lower flange frame; the lower flange frame is rectangular; the side roller frame is arranged above the left side of the lower flange frame; the lower roll frame is arranged above the right side of the lower flange frame; the lengths of the side roller frames and the lower roller frame are smaller than the length of the lower flange frame;
a lower correcting roller is arranged in the lower flange frame; the outer diameter of the lower leveling roller is larger than that of the upper leveling roller, and the height of the lower leveling roller is larger than that of the upper leveling roller.
2. A B-portal channel rolling cryogenic rectification system as recited in claim 1, wherein five of said upper rectification rolls are arranged in parallel;
five flange upper rollers are arranged and are arranged in parallel;
six flange lower rollers are arranged.
3. A B-portal channel rolling cryogenically corrective device according to claim 1 wherein the lower frame further comprises a sleeve; the sleeve is located the top of top flange frame, the sleeve is the L shape of horizontal, telescopic one end is connected in the backup pad, telescopic other end sets up vertically downwards, just the blind hole has been seted up to telescopic other end.
4. A B-portal channel rolling cryogenically corrective device as defined in claim 1 wherein said corrective device further comprises a web and a coupling flange; one end of the connecting plate is arranged on the outer surface of the lower roller frame, and the other end of the connecting plate is vertically upwards; the connecting shaft flange is arranged at one end of the lower correcting roller; the plurality of connecting shaft flanges are matched with the plurality of lower correcting rollers; the connecting shaft flange is used for being connected with a driving shaft of a motor to provide driving force for the lower correcting roller.
5. The rolling type low-temperature correcting device for the B-type portal channel steel is characterized in that one side, close to the lower roller frame, of the side roller frame is connected with a seat groove, the seat groove is U-shaped, the two seat grooves are sequentially arranged along the length direction of the side roller frame, the seat groove is internally provided with a base, and the base is rotationally connected with the side correcting roller; the upper end of the lower roll frame is provided with a flange lower roll; the plurality of flange lower rollers are uniformly arranged along the length direction of the lower roller frame.
6. The rolling type low-temperature correcting device for the B-type portal channel steel is characterized in that a left through hole is formed in the left side of the lower flange frame, and a right through hole is correspondingly formed in the right side of the lower flange frame; the connecting lines of the two corresponding left through holes and the right through holes are parallel to the wide edge of the lower flange frame.
7. A B-portal channel rolling cryogenically corrective device as defined in claim 1 wherein the axial length of said side corrective rollers is less than the axial length of said lower corrective rollers; the outer diameter of the side correcting roller is larger than that of the lower correcting roller; the side leveling rollers are located above the lower leveling rollers.
8. A rolling cryogenic rectification system for B-type portal channels as recited in claim 1, wherein the outer diameter of the side rectification rolls is equal to the width between the two support flanges of the B-type portal channels.
9. A rolling type low temperature correcting device for B-type portal channel steel according to claim 1, wherein a plurality of upper flange rolls are provided corresponding to a plurality of lower flange rolls, and the height between the upper flange rolls and the lower flange rolls is equal to the thickness of the flange of the B-type portal channel steel.
10. A B-portal channel rolling cryogenically corrective device as defined in claim 1 wherein said upper corrective roller is positioned above said side corrective rollers; the height between the upper leveling roller and the side leveling roller is equal to the thickness of the B-type portal channel steel supporting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005726.7A CN109500149B (en) | 2019-01-03 | 2019-01-03 | B type portal channel-section steel roll formula low temperature orthotic devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005726.7A CN109500149B (en) | 2019-01-03 | 2019-01-03 | B type portal channel-section steel roll formula low temperature orthotic devices |
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| CN109500149A CN109500149A (en) | 2019-03-22 |
| CN109500149B true CN109500149B (en) | 2023-09-05 |
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