CN113290356B - Method for replacing pressing module of vertical continuous casting machine by adopting reverse jacking device - Google Patents
Method for replacing pressing module of vertical continuous casting machine by adopting reverse jacking device Download PDFInfo
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- CN113290356B CN113290356B CN202110351269.4A CN202110351269A CN113290356B CN 113290356 B CN113290356 B CN 113290356B CN 202110351269 A CN202110351269 A CN 202110351269A CN 113290356 B CN113290356 B CN 113290356B
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
The invention particularly relates to a reverse jacking device; the method is characterized in that: comprises a positioning seat (2), a jacking body (3), an end cover (4) and a jacking hydraulic cylinder (5). In the limited space where hydraulic equipment cannot be adopted for forward lifting, the hydraulic jack is reversely used by adopting the reverse lifting device, the hydraulic cylinder is fixed by utilizing the fan-shaped flange disc arranged on the end cover of the lifting body through arranging the locking block on the cylinder body of the hydraulic cylinder, and the cylinder body of the hydraulic cylinder is driven to move upwards and reversely by utilizing the acting force generated by the hydraulic cylinder, so that the quick replacement of the pressing module is realized. The quick replacement of the novel vertical continuous casting machine pressing module is effectively solved, the reverse jacking device is firmly locked, and the jacking is stable and convenient to operate.
Description
Technical Field
The invention relates to the field of installation of continuous casting equipment, in particular to a method for replacing a pressing module of a vertical continuous casting machine by adopting a reverse jacking device.
Background
In the installation of traditional continuous casting machine screw-down module, because screw-down module is installed on horizontal base, can utilize the change track to carry out quick replacement with the driving, and novel vertical continuous casting machine screw-down module stacks together each other through the supporting seat that sets up in its bottom and top, and the space between two upper and lower screw-down modules is narrow and small, when carrying out screw-down module and changing, need push up two upper and lower screw-down modules earlier and open and make mutual supporting seat separation, will screw-down the module level again pull out, however the narrow and small space between the equipment can't erect hydraulic jacking equipment and change.
Disclosure of Invention
The invention aims to overcome the defects and provides a method for replacing a pressing module of a vertical continuous casting machine by adopting a reverse jacking device.
In order to achieve the above object, the present invention is achieved by:
the reverse jacking device comprises a reverse jacking device (1), wherein the device comprises a positioning seat (2), a jacking body (3), an end cover (4) and a jacking hydraulic cylinder (5); the positioning seat (2) is of a rectangular block structure and comprises a bottom plate (6), an adjusting gasket (7) and a movable seat (8), wherein the bottom plate, the adjusting gasket and the movable seat are fixed together through connecting bolts, and a pin positioning hole (9) is formed in the movable seat (8); the jacking body (3) is of a rectangular column structure, the inner cylinder (10) of the jacking body is of a cylindrical cavity structure, an annular boss (12) is arranged at the bottom of the inner cylinder (10) of the jacking body, and a bolt hole is formed in the top of the jacking body (3); a pin (11) is arranged in the jacking body inner cylinder (10) and the outer diameter of the pin is matched with the inner diameter of an annular boss (12) at the bottom of the jacking body inner cylinder (10), a protruding bearing platform (13) is arranged at the top of the pin (11) and the outer diameter of the pin is matched with the inner diameter of the jacking body inner cylinder (10); the end cover (4) is of a hollow rectangular block structure, and four corners of the end cover are provided with bolt holes matched with the bolt holes at the top of the jacking body (3); the top of the end cover (4) is provided with a sector notch (14), a sector flange disc (15), a plunger hole (16), a locking bearing platform (17) and a cylinder bearing platform (18), wherein the sector notch (14) and the sector flange disc (15) are arranged at the top of the end cover (4) and are arranged in a crossing manner according to an angle of 45 degrees; the jacking hydraulic cylinder (5) consists of a cylinder body (19), a plunger (20) and a cylinder body locking block (21), wherein the plunger (20) is cylindrical, and the diameter of the plunger is matched with the diameter of a plunger hole (16) in the end cover (4). The diameter of the cylinder body (19) is matched with the diameter of a cylinder body bearing platform (18) on the end cover (4), a cylinder body locking block (21) is arranged on the outer side of the cylinder body (19), and the cylinder body locking block (21) is matched with a sector notch (14) on the end cover (4).
The method for replacing the pressing module of the vertical continuous casting machine by adopting the reverse jacking device comprises the following steps of
the positioning seat (2) is firstly arranged on the structural frame (22), and the elevation of the bottom plate (6) is adjusted through the adjusting gasket (7) and then the bottom plate (6) and the structural frame (22) are welded together. The jacking body (3) of the reverse jacking device (1) is installed at four corners of the replacing platform (23), and is welded with the replacing platform (23) into a whole; then the pin (11) is put into the jacking body inner cylinder (10), and the end cover (4) is fixed on the upper part of the jacking body (3) by using bolts. Placing the jacking hydraulic cylinder (5) above the end cover (4) of the reverse jacking device (1), aligning a cylinder locking block (21) of the jacking hydraulic cylinder (5) with a fan-shaped notch (14) on the end cover (4), continuously placing the jacking hydraulic cylinder (5) downwards to enable a cylinder (19) to be positioned on a cylinder bearing platform (18) of the end cover (4), simultaneously placing the cylinder locking block (21) on a locking bearing platform (17) on the end cover (4), and rotating the jacking hydraulic cylinder (5) by an angle of 45 degrees to enable the cylinder locking block (21) to rotate to be right below a fan-shaped flange (15) on the end cover (4);
when the plunger (20) of the jacking hydraulic cylinder (5) is continuously and downwards ejected, the plunger (20) is tightly ejected against the plunger (11) to act on the cylinder body (19) of the jacking hydraulic cylinder, so that the cylinder body (19) can generate upward reverse motion and simultaneously drive the cylinder locking block (21) to move upwards, the upward reverse force is transmitted to the sector flange (15) on the end cover (4) through the cylinder locking block (21) along with the continued upward motion of the cylinder body (19), the end cover (4) and the jacking body (3) are driven to move upwards, the inner cylinder (11) is in a static and motionless state in the motion process, and the jacking body (10) is protruded on the bottom of the annular bearing platform (13) to act on the boss (12) of the jacking body (10) because the cylinder locking block (21) is positioned under the sector flange (15) on the end cover (4). Because the replacing platform (23) and the jacking body (3) are connected into a whole, the replacing platform (23) is driven to move upwards at the same time until the replacing platform (23) contacts with the pressing module roller (25);
the method comprises the steps of locking a pressing module (24) on a replacing platform (23), continuously using a reverse jacking device (1) to jack up the replacing platform (23) upwards, separating supporting seats (26) of the upper pressing module (24) and the lower pressing module (24), pulling out the pressing module (24) after the replacing platform (23) is flush with a replacing track (27) on a structural frame (22), and repeating the steps to install a new pressing module (24) in place.
In the limited space where hydraulic equipment cannot be adopted for forward lifting, the hydraulic jack is reversely used by adopting the reverse lifting device, the hydraulic cylinder is fixed by utilizing the fan-shaped flange disc arranged on the end cover of the lifting body through arranging the locking block on the cylinder body of the hydraulic cylinder, and the cylinder body of the hydraulic cylinder is driven to move upwards and reversely by utilizing the acting force generated by the hydraulic cylinder, so that the quick replacement of the pressing module is realized. The quick replacement of the novel vertical continuous casting machine pressing module is effectively solved, the reverse jacking device is firmly locked, and the jacking is stable and convenient to operate.
Drawings
Fig. 1 is a schematic diagram of a reverse jacking device.
Fig. 2 is a schematic diagram of the installation of the jacking cylinder and the jacking body.
Fig. 3 is a schematic view of the reverse jacking device mounted on the replacement platform.
Fig. 4 is a schematic diagram of a reverse jacking device jacking replacement pressing module.
In the figure: reverse jacking device (1), positioning seat (2), jacking body (3), end cover (4), jacking pneumatic cylinder (5), bottom plate (6), adjustment gasket (7), movable seat (8), pin locating hole (9), jacking body inner tube (10), pin (11), annular boss (12), protrusion cushion cap (13), fan-shaped notch (14), fan-shaped flange dish (15), plunger hole (16), locking cushion cap (17), cylinder body cushion cap (18), cylinder body (19), plunger (20), cylinder body latch segment (21), structural frame (22), change platform (23), screw down module (24), gyro wheel (25), supporting seat (26), change track (27).
Detailed Description
The invention is further illustrated by the following specific examples.
The reverse jacking device comprises a reverse jacking device (1), wherein the device comprises a positioning seat (2), a jacking body (3), an end cover (4) and a jacking hydraulic cylinder (5); the positioning seat (2) is of a rectangular block structure and comprises a bottom plate (6), an adjusting gasket (7) and a movable seat (8), wherein the bottom plate, the adjusting gasket and the movable seat are fixed together through connecting bolts, and a pin positioning hole (9) is formed in the movable seat (8); the jacking body (3) is of a rectangular column structure, the inner cylinder (10) of the jacking body is of a cylindrical cavity structure, an annular boss (12) is arranged at the bottom of the inner cylinder (10) of the jacking body, and a bolt hole is formed in the top of the jacking body (3); a pin (11) is arranged in the jacking body inner cylinder (10) and the outer diameter of the pin is matched with the inner diameter of an annular boss (12) at the bottom of the jacking body inner cylinder (10), a protruding bearing platform (13) is arranged at the top of the pin (11) and the outer diameter of the pin is matched with the inner diameter of the jacking body inner cylinder (10); the end cover (4) is of a hollow rectangular block structure, and four corners of the end cover are provided with bolt holes matched with the bolt holes at the top of the jacking body (3); the top of the end cover (4) is provided with a sector notch (14), a sector flange disc (15), a plunger hole (16), a locking bearing platform (17) and a cylinder bearing platform (18), wherein the sector notch (14) and the sector flange disc (15) are arranged at the top of the end cover (4) and are arranged in a crossing manner according to an angle of 45 degrees; the jacking hydraulic cylinder (5) consists of a cylinder body (19), a plunger (20) and a cylinder body locking block (21), wherein the plunger (20) is cylindrical, and the diameter of the plunger is matched with the diameter of a plunger hole (16) in the end cover (4). The diameter of the cylinder body (19) is matched with the diameter of a cylinder body bearing platform (18) on the end cover (4), a cylinder body locking block (21) is arranged on the outer side of the cylinder body (19), and the cylinder body locking block (21) is matched with a sector notch (14) on the end cover (4).
The method for replacing the pressing module of the vertical continuous casting machine by adopting the reverse jacking device comprises the following steps of
the positioning seat (2) is firstly arranged on the structural frame (22), and the elevation of the bottom plate (6) is adjusted through the adjusting gasket (7) and then the bottom plate (6) and the structural frame (22) are welded together. The jacking body (3) of the reverse jacking device (1) is installed at four corners of the replacing platform (23), and is welded with the replacing platform (23) into a whole; then the pin (11) is put into the jacking body inner cylinder (10), and the end cover (4) is fixed on the upper part of the jacking body (3) by using bolts. Placing the jacking hydraulic cylinder (5) above the end cover (4) of the reverse jacking device (1), aligning a cylinder locking block (21) of the jacking hydraulic cylinder (5) with a fan-shaped notch (14) on the end cover (4), continuously placing the jacking hydraulic cylinder (5) downwards to enable a cylinder (19) to be positioned on a cylinder bearing platform (18) of the end cover (4), simultaneously placing the cylinder locking block (21) on a locking bearing platform (17) on the end cover (4), and rotating the jacking hydraulic cylinder (5) by an angle of 45 degrees to enable the cylinder locking block (21) to rotate to be right below a fan-shaped flange (15) on the end cover (4);
when the plunger (20) of the jacking hydraulic cylinder (5) is continuously and downwards ejected, the plunger (20) is tightly ejected against the plunger (11) to act on the cylinder body (19) of the jacking hydraulic cylinder, so that the cylinder body (19) can generate upward reverse motion and simultaneously drive the cylinder locking block (21) to move upwards, the upward reverse force is transmitted to the sector flange (15) on the end cover (4) through the cylinder locking block (21) along with the continued upward motion of the cylinder body (19), the end cover (4) and the jacking body (3) are driven to move upwards, the inner cylinder (11) is in a static and motionless state in the motion process, and the jacking body (10) is protruded on the bottom of the annular bearing platform (13) to act on the boss (12) of the jacking body (10) because the cylinder locking block (21) is positioned under the sector flange (15) on the end cover (4). Because the replacing platform (23) and the jacking body (3) are connected into a whole, the replacing platform (23) is driven to move upwards at the same time until the replacing platform (23) contacts with the pressing module roller (25);
the method comprises the steps of locking a pressing module (24) on a replacing platform (23), continuously using a reverse jacking device (1) to jack up the replacing platform (23) upwards, separating supporting seats (26) of the upper pressing module (24) and the lower pressing module (24), pulling out the pressing module (24) after the replacing platform (23) is flush with a replacing track (27) on a structural frame (22), and repeating the steps to install a new pressing module (24) in place.
In the limited space where hydraulic equipment cannot be adopted for forward lifting, the hydraulic jack is reversely used by adopting the reverse lifting device, the hydraulic cylinder is fixed by utilizing the fan-shaped flange disc arranged on the end cover of the lifting body through arranging the locking block on the cylinder body of the hydraulic cylinder, and the cylinder body of the hydraulic cylinder is driven to move upwards and reversely by utilizing the acting force generated by the hydraulic cylinder, so that the quick replacement of the pressing module is realized. The quick replacement of the novel vertical continuous casting machine pressing module is effectively solved, the reverse jacking device is firmly locked, and the jacking is stable and convenient to operate.
Claims (2)
1. The utility model provides a reverse jacking device which characterized in that: the reverse jacking device (1) comprises a positioning seat (2), a jacking body (3), an end cover (4) and a jacking hydraulic cylinder (5); the positioning seat (2) is of a rectangular block structure and comprises a bottom plate (6), an adjusting gasket (7) and a movable seat (8), wherein the movable seat (8) and the bottom plate are fixed together through connecting bolts, and a pin positioning hole (9) is formed in the movable seat (8); the jacking body (3) is of a rectangular column structure, the inner cylinder (10) of the jacking body is of a cylindrical cavity structure, an annular boss (12) is arranged at the bottom of the inner cylinder (10) of the jacking body, and a bolt hole is formed in the top of the jacking body (3); a pin (11) is arranged in the jacking body inner cylinder (10), the outer diameter of the pin is matched with the inner diameter of an annular boss (12) at the bottom of the jacking body inner cylinder (10), a protruding bearing platform (13) is arranged at the top of the pin (11), and the outer diameter of the pin is matched with the inner diameter of the jacking body inner cylinder (10); the end cover (4) is of a hollow rectangular block structure, and four corners of the end cover are provided with bolt holes matched with the bolt holes at the top of the jacking body (3); the top of the end cover (4) is provided with a sector notch (14), a sector flange disc (15), a plunger hole (16), a locking bearing platform (17), a cylinder bearing platform (18), and the sector notch (14) and the sector flange disc (15) are arranged at the top of the end cover (4) and are arranged in a crossing manner according to an angle of 45 degrees; the jacking hydraulic cylinder (5) consists of a cylinder body (19), a plunger (20) and a cylinder body locking block (21), wherein the plunger (20) is cylindrical, and the diameter of the plunger is matched with the diameter of a plunger hole (16) on the end cover (4); the diameter of the cylinder body (19) is matched with the diameter of a cylinder body bearing platform (18) on the end cover (4), a cylinder body locking block (21) is arranged on the outer side of the cylinder body (19), and the cylinder body locking block (21) is matched with a sector notch (14) on the end cover (4).
2. The method for replacing the pressing module of the vertical continuous casting machine by adopting the reverse jacking device as claimed in claim 1, which is characterized in that: comprising
Step 1, installing a reverse jacking device (1):
firstly, a positioning seat (2) is arranged on a structural frame (22), and after the elevation of a bottom plate (6) is adjusted through an adjusting gasket (7), the bottom plate (6) and the structural frame (22) are welded together;
the jacking body (3) of the reverse jacking device (1) is installed at four corners of the replacing platform (23), and is welded with the replacing platform (23) into a whole; then placing the pin (11) into the jacking body inner cylinder (10), and fixing the end cover (4) on the upper part of the jacking body (3) by using bolts;
placing the jacking hydraulic cylinder (5) above the end cover (4) of the reverse jacking device (1), aligning a cylinder locking block (21) of the jacking hydraulic cylinder (5) with a fan-shaped notch (14) on the end cover (4), continuously placing the jacking hydraulic cylinder (5) downwards to enable a cylinder (19) to be positioned on a cylinder bearing platform (18) of the end cover (4), simultaneously placing the cylinder locking block (21) on a locking bearing platform (17) on the end cover (4), and rotating the jacking hydraulic cylinder (5) by an angle of 45 degrees to enable the cylinder locking block (21) to rotate to be right below a fan-shaped flange (15) on the end cover (4);
step 2, jacking a replacement platform (23):
when the plunger (20) of the jacking hydraulic cylinder (5) is continuously and downwards ejected, the plunger (20) can not downwards move, the acting force generated by the plunger (20) reversely acts on the cylinder body (19) of the jacking hydraulic cylinder, so that the cylinder body (19) upwards moves reversely and simultaneously drives the cylinder locking block (21) to upwards move, the cylinder locking block (21) is positioned under the sector flange disc (15) on the end cover (4), the upward reverse acting force is transmitted to the sector flange disc (15) on the end cover (4) through the cylinder locking block (21) along with the continued upwards movement of the cylinder body (19), the end cover (4) and the jacking body (3) are driven to upwards move, the inner cylinder (11) is in a static state in the moving process, and the jacking body (10) upwards moves towards the top of the annular bearing platform (12) under the action of the annular bearing platform (11);
because the replacing platform (23) and the jacking body (3) are connected into a whole, the replacing platform (23) is driven to move upwards at the same time until the replacing platform (23) contacts with the pressing module roller (25);
step 3, replacing a pressing module:
the method comprises the steps of locking a pressing module (24) on a replacing platform (23), continuously using a reverse jacking device (1) to jack up the replacing platform (23) upwards, separating supporting seats (26) of the upper pressing module (24) and the lower pressing module (24), pulling out the pressing module (24) after the replacing platform (23) is flush with a replacing track (27) on a structural frame (22), and repeating the steps to install a new pressing module (24) in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351269.4A CN113290356B (en) | 2021-04-01 | 2021-04-01 | Method for replacing pressing module of vertical continuous casting machine by adopting reverse jacking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351269.4A CN113290356B (en) | 2021-04-01 | 2021-04-01 | Method for replacing pressing module of vertical continuous casting machine by adopting reverse jacking device |
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| CN113290356A CN113290356A (en) | 2021-08-24 |
| CN113290356B true CN113290356B (en) | 2023-05-23 |
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| FR2643851B1 (en) * | 1989-03-01 | 1991-07-26 | Clextral | DEVICE FOR MOVING THE SLEEVE OF AN EXTRUSION MACHINE AND EXTRUSION MACHINE PROVIDED WITH SUCH A DEVICE |
| CN1055423C (en) * | 1993-09-08 | 2000-08-16 | 鞍山钢铁公司 | Method and apparatus for quick arc starting of block replacing zone of continuous casting machine |
| CN101092850A (en) * | 2006-06-22 | 2007-12-26 | 张准胜 | Method and installation for rising building or historical building / cluster of historical building integrally |
| CN101733627B (en) * | 2008-11-25 | 2011-07-06 | 海洋王照明科技股份有限公司 | Press-mounting machine |
| CN201579583U (en) * | 2009-12-28 | 2010-09-15 | 莱芜钢铁股份有限公司 | Pin shaft automatic taking out device |
| JP5754813B2 (en) * | 2012-01-10 | 2015-07-29 | Kddi株式会社 | Feature point detection program for detecting feature points in an image, image processing apparatus and method |
| CN204747073U (en) * | 2015-06-30 | 2015-11-11 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Conveyor is changed to slab band rolling mill AGC pneumatic cylinder |
| CN105236320A (en) * | 2015-10-28 | 2016-01-13 | 上海十三冶建设有限公司 | Jacking device for replacing saddle arm of rotating bearing of continuous casting rotating table and construction method of jacking device |
| CN205949814U (en) * | 2016-08-30 | 2017-02-15 | 上海二十冶建设有限公司 | Installation mould of fan -shaped section change guide rail of slab caster |
| CN208564035U (en) * | 2018-06-25 | 2019-03-01 | 南京创安结构设计事务所有限公司 | A kind of strut replacing device for structural strengthening |
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