CN113955663B - Method for horizontally pushing and integrally jacking upper revolving body of ladle turret to be in position - Google Patents
Method for horizontally pushing and integrally jacking upper revolving body of ladle turret to be in position Download PDFInfo
- Publication number
- CN113955663B CN113955663B CN202111166094.6A CN202111166094A CN113955663B CN 113955663 B CN113955663 B CN 113955663B CN 202111166094 A CN202111166094 A CN 202111166094A CN 113955663 B CN113955663 B CN 113955663B
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- pushing
- revolving body
- upper revolving
- platform
- ladle turret
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention relates to a method for horizontally pushing and integrally jacking an upper revolving body of a large ladle turret to be in place, which is characterized by comprising the following steps of: the method comprises the steps of 1, jacking fulcrum setting; step 2, the whole upper revolving body is jacked up; step 3, pushing the rack to be in place; step 4, arranging a push support; step 5, horizontally pushing the upper revolving body; and 6, horizontally pushing the new upper revolving body. According to the method, the upper revolving body of the bale revolving platform is integrally jacked, the jacking force is uniformly controlled, rolling friction resistance generated in the operation of a small jacking travel pushing rack is small, and the integral pushing of the upper revolving body of the bale revolving platform can be completed by only using one hydraulic cylinder. Compared with the existing installation method using crane lifting and multipoint synchronous sliding, the method has better popularization and application values.
Description
Technical Field
The invention relates to the technical field of installation of continuous casting equipment, in particular to a method for horizontally pushing and integrally jacking an upper revolving body of a ladle turret.
Background
The existing continuous casting machine ladle turret upper revolving body is mainly lifted by adopting double travelling crane when being integrally pushed and replaced, and a method for paving a steel rail slideway and synchronously pushing by using a hydraulic cylinder is limited by adverse factors such as difficult travelling crane installation or production coordination and the like, so that the method is unfavorable for installation operation. And secondly, the hydraulic cylinders are adopted to synchronously push and lease special equipment, so that the construction cost is increased.
Disclosure of Invention
The invention aims to overcome the defects and provides a method for horizontally pushing and integrally jacking the upper revolving body of the large ladle turret to be in place, which has higher installation efficiency, is easy to implement and ensures the construction quality.
In order to achieve the above object, the present invention is achieved by:
a method for horizontally pushing and integrally jacking upper revolving body of a bale revolving platform to be in position comprises the following steps
Step 1, jacking fulcrum setting;
a jacking fulcrum (2) is arranged below a ladle arm (1) of the ladle turret, the jacking fulcrum (2) is positioned on a cross beam (4) of a pushing platform (3), rib plates are arranged between upper and lower wing plates of the cross beam (4) to improve the supporting strength, and a profile steel upright post (5) is arranged below the jacking fulcrum (2) to transmit jacking force to the lower cross beam (4) of the pushing platform (3) to be uniformly dispersed on a basic platform;
step 2, the whole upper revolving body is jacked up;
firstly, reinforcing ladle arms (1) of a large ladle turret, installing rectangular square billets (8) at a fixed pin shaft (7) at the top of a tower of an upper revolving body (6) to enable the ladle arms (1) at two sides of the large ladle turret to be in a horizontal state, and starting a jack (9) to be matched with a supporting base plate to lift the upper revolving body (6) of the large ladle turret to be separated from a large ladle turret base (10);
step 3, pushing the rack to be in place;
firstly, a pushing bench (11) is installed in a transverse slideway (14), travelling wheels (15) of a lower bench (12) are tightly attached to a wheel travelling plate of the transverse slideway (14), guide wheels (16) of the pushing bench are tightly attached to a web plate of the transverse slideway (14), the pushing bench (11) is pushed to enable the end of the lower bench (12) to be tightly attached to a stop block at the end of the transverse slideway (14), running slideways (17) at two sides of the lower bench (12) are aligned with a longitudinal slideway (18), at the moment, the lower bench (12) of the pushing bench (11) is just above a foundation (10) of a large-package revolving platform, a lower bench (12) of the pushing bench (11) is fixed together with the foundation (10) of the large-package revolving platform and the transverse slideway (14) by using a chute iron and a base plate, when a revolving body (6) at the upper part of the large-package revolving platform is located at the upper revolving platform (13), the weight of the upper revolving platform (6) is dispersed onto the foundation (10) of the large-package revolving platform (14) and the transverse slideway (18), and the lower bench (12) can be pushed to transfer the acting force to the foundation (12) of the large-package revolving platform (6) of the large-package revolving platform;
step 4, arranging a push support;
the blank formed by transverse reinforced section steel arranged at equal intervals on two sides of a pushing slideway (19) is used as an anchor point, four rectangular anchor piles are welded at the bottom of the blank by using a rectangular steel plate and used as horizontal push supports (20) to be placed in the blank between the reinforced section steel, ear seats (21) are arranged at the tops of the push supports (20) and used for installing hydraulic cylinders (22), and meanwhile, the upper ear seats (21) are also arranged at the bottoms of cross beams of an upper-layer rack (13) and used for installing the hydraulic cylinders (22);
step 5, horizontally pushing the upper revolving body;
the lifting jack (9) is dropped to enable the upper revolving body (6) of the large ladle turret to be positioned on an upper layer rack (13) of the pushing rack (11), the lifting jack (9) and the supporting base plate are removed, the pushing hydraulic cylinder (22) is started to enable the upper layer rack (13) to drive the upper revolving body (6) of the large ladle turret to move along the longitudinal sliding ways (18) on two sides of the pushing platform (3) and the pushing sliding way (19) in the middle, after the hydraulic cylinder (22) reaches the complete extension of the stroke, the hydraulic cylinder (22) is removed from the lug seat (21) on the top of the pushing support (20), the pushing support (20) is moved forwards to be placed in a blank between reinforced sections on two sides of the pushing sliding way (19), and then the retracted hydraulic cylinder (22) is installed in the lug seat (21) on the top of the pushing support (20) to conduct pushing of the next stroke until the upper revolving body (6) of the large ladle turret reaches the center of the supporting tower (23);
step 6, new upper revolving body horizontally moves
When the upper revolving body (6) of the new big ladle turret is positioned on the upper layer rack (13), a push support (20) is reversely arranged to push the upper revolving body (6) of the big ladle turret to the upper side of the lower layer rack (12) on the base (10) of the big ladle turret. And repeating the step 2 and the step 3 to finish the positioning of the upper revolving body (6) of the new ladle turret.
Compared with the prior art, the invention has the following advantages:
1. the jacking fulcrum is reliably arranged: the steel ladle arm fixed pin shafts on the two sides are reinforced, so that the upper revolving body is integrally formed, the jacking process is more stable, and the independent steel section upright posts are arranged on the pushing platform structure, so that the load can be effectively decomposed.
2. The pushing rack has high supporting strength: the pushing bench adopts an upper layer and a lower layer combined structure, can be quickly installed in place and can be connected with the base of the large-package rotary table into a whole, and the pushing bench can effectively bear the weight of the upper rotary body and decompose horizontal pushing force.
3. The whole pushing operation is stable: the pushing force can be effectively controlled by pushing a single hydraulic cylinder, and meanwhile, the upper layer rack for carrying the upper revolving body always runs more stably and reliably under the constraint of the profile steel web.
The method integrally lifts the upper revolving body of the bale revolving platform, the lifting force is uniformly controlled, the rolling friction resistance generated in the operation of the small-lifting-stroke pushing rack is small, and the integral pushing of the upper revolving body of the bale revolving platform can be completed by only using one hydraulic cylinder. Compared with the existing installation method using crane lifting and multipoint synchronous sliding, the method has better popularization and application values.
Drawings
Fig. 1 is a schematic view of a jacking fulcrum arrangement.
Fig. 2 is a schematic view of the pusher carriage in place.
Fig. 3 is a schematic diagram of a push-on stand arrangement.
FIG. 4 is a schematic view showing horizontal displacement of the upper rotator
In the figure: ladle arm (1), jacking fulcrum (2), pushing platform (3), crossbeam (4), shaped steel stand (5), upper portion solid of revolution (6), fixed pin axle (7), square billet (8), jack (9), base (10), pushing bench (11), lower floor's rack (12), upper strata rack (13), horizontal slide (14), walking wheel (15), leading wheel (16), operation slide (17), vertical slide (18), pushing slide (19), pushing support (20), ear seat (21), pneumatic cylinder (22), pylon (23).
Detailed Description
The invention is further illustrated by the following specific examples.
A method for horizontally pushing and integrally jacking upper revolving body of a bale revolving platform to be in position comprises the following steps
Step 1, jacking fulcrum setting;
a jacking fulcrum (2) is arranged below a ladle arm (1) of the ladle turret, the jacking fulcrum (2) is positioned on a cross beam (4) of a pushing platform (3), rib plates are arranged between upper and lower wing plates of the cross beam (4) to improve the supporting strength, and a profile steel upright post (5) is arranged below the jacking fulcrum (2) to transmit jacking force to the lower cross beam (4) of the pushing platform (3) to be uniformly dispersed on a basic platform;
step 2, the whole upper revolving body is jacked up;
firstly, reinforcing ladle arms (1) of a large ladle turret, installing rectangular square billets (8) at a fixed pin shaft (7) at the top of a tower of an upper revolving body (6) to enable the ladle arms (1) at two sides of the large ladle turret to be in a horizontal state, and starting a jack (9) to be matched with a supporting base plate to lift the upper revolving body (6) of the large ladle turret to be separated from a large ladle turret base (10);
step 3, pushing the rack to be in place;
firstly, a pushing bench (11) is installed in a transverse slideway (14), travelling wheels (15) of a lower bench (12) are tightly attached to a wheel travelling plate of the transverse slideway (14), guide wheels (16) of the pushing bench are tightly attached to a web plate of the transverse slideway (14), the pushing bench (11) is pushed to enable the end of the lower bench (12) to be tightly attached to a stop block at the end of the transverse slideway (14), running slideways (17) at two sides of the lower bench (12) are aligned with a longitudinal slideway (18), at the moment, the lower bench (12) of the pushing bench (11) is just above a foundation (10) of a large-package revolving platform, a lower bench (12) of the pushing bench (11) is fixed together with the foundation (10) of the large-package revolving platform and the transverse slideway (14) by using a chute iron and a base plate, when a revolving body (6) at the upper part of the large-package revolving platform is located at the upper revolving platform (13), the weight of the upper revolving platform (6) is dispersed onto the foundation (10) of the large-package revolving platform (14) and the transverse slideway (18), and the lower bench (12) can be pushed to transfer the acting force to the foundation (12) of the large-package revolving platform (6) of the large-package revolving platform;
step 4, arranging a push support;
the blank formed by transverse reinforced section steel arranged at equal intervals on two sides of a pushing slideway (19) is used as an anchor point, four rectangular anchor piles are welded at the bottom of the blank by using a rectangular steel plate and used as horizontal push supports (20) to be placed in the blank between the reinforced section steel, ear seats (21) are arranged at the tops of the push supports (20) and used for installing hydraulic cylinders (22), and meanwhile, the upper ear seats (21) are also arranged at the bottoms of cross beams of an upper-layer rack (13) and used for installing the hydraulic cylinders (22);
step 5, horizontally pushing the upper revolving body;
the lifting jack (9) is dropped to enable the upper revolving body (6) of the large ladle turret to be positioned on an upper layer rack (13) of the pushing rack (11), the lifting jack (9) and the supporting base plate are removed, the pushing hydraulic cylinder (22) is started to enable the upper layer rack (13) to drive the upper revolving body (6) of the large ladle turret to move along the longitudinal sliding ways (18) on two sides of the pushing platform (3) and the pushing sliding way (19) in the middle, after the hydraulic cylinder (22) reaches the complete extension of the stroke, the hydraulic cylinder (22) is removed from the lug seat (21) on the top of the pushing support (20), the pushing support (20) is moved forwards to be placed in a blank between reinforced sections on two sides of the pushing sliding way (19), and then the retracted hydraulic cylinder (22) is installed in the lug seat (21) on the top of the pushing support (20) to conduct pushing of the next stroke until the upper revolving body (6) of the large ladle turret reaches the center of the supporting tower (23);
step 6, new upper revolving body horizontally moves
When the upper revolving body (6) of the new big ladle turret is positioned on the upper layer rack (13), a push support (20) is reversely arranged to push the upper revolving body (6) of the big ladle turret to the upper side of the lower layer rack (12) on the base (10) of the big ladle turret. And repeating the step 2 and the step 3 to finish the positioning of the upper revolving body (6) of the new ladle turret.
Compared with the prior art, the invention has the following advantages:
1. the jacking fulcrum is reliably arranged: the steel ladle arm fixed pin shafts on the two sides are reinforced, so that the upper revolving body is integrally formed, the jacking process is more stable, and the independent steel section upright posts are arranged on the pushing platform structure, so that the load can be effectively decomposed.
2. The pushing rack has high supporting strength: the pushing bench adopts an upper layer and a lower layer combined structure, can be quickly installed in place and can be connected with the base of the large-package rotary table into a whole, and the pushing bench can effectively bear the weight of the upper rotary body and decompose horizontal pushing force.
3. The whole pushing operation is stable: the pushing force can be effectively controlled by pushing a single hydraulic cylinder, and meanwhile, the upper layer rack for carrying the upper revolving body always runs more stably and reliably under the constraint of the profile steel web.
Claims (1)
1. A method for horizontally pushing and integrally jacking an upper revolving body of a bale revolving platform into position is characterized by comprising the following steps: comprising
Step 1, jacking fulcrum setting;
a jacking fulcrum (2) is arranged below a ladle arm (1) of the ladle turret, the jacking fulcrum (2) is positioned on a cross beam (4) of a pushing platform (3), rib plates are arranged between upper and lower wing plates of the cross beam (4) to improve the supporting strength, and a profile steel upright post (5) is arranged below the jacking fulcrum (2) to transmit jacking force to the cross beam (4) of the pushing platform (3) to be uniformly dispersed on a basic platform;
step 2, the whole upper revolving body is jacked up;
firstly, reinforcing ladle arms (1) of a large ladle turret, installing rectangular square billets (8) at a fixed pin shaft (7) at the top of a tower of an upper revolving body (6) to enable the ladle arms (1) at two sides of the large ladle turret to be in a horizontal state, and starting a jack (9) to be matched with a supporting base plate to lift the upper revolving body (6) of the large ladle turret to be separated from a large ladle turret base (10);
step 3, pushing the rack to be in place;
firstly, a pushing bench (11) is installed in a transverse slideway (14), travelling wheels (15) of a lower bench (12) are tightly attached to a wheel travelling plate of the transverse slideway (14), guide wheels (16) of the pushing bench are tightly attached to a web plate of the transverse slideway (14), the pushing bench (11) is pushed to enable the end of the lower bench (12) to be tightly attached to a stop block at the end of the transverse slideway (14), running slideways (17) at two sides of the lower bench (12) are aligned with a longitudinal slideway (18), at the moment, the lower bench (12) of the pushing bench (11) is just above a foundation (10) of a large-package revolving platform, a lower bench (12) of the pushing bench (11) is fixed together with the foundation (10) of the large-package revolving platform and the transverse slideway (14) by using a chute iron and a base plate, when a revolving body (6) at the upper part of the large-package revolving platform is located at the upper revolving platform (13), the weight of the upper revolving platform (6) is dispersed onto the foundation (10) of the large-package revolving platform (14) and the transverse slideway (18), and the lower bench (12) can be pushed to transfer the acting force to the foundation (12) of the large-package revolving platform (6) of the large-package revolving platform;
step 4, arranging a push support;
the blank formed by transverse reinforced section steel arranged at equal intervals on two sides of a pushing slideway (19) is used as an anchor point, four rectangular anchor piles are welded at the bottom of the blank by using a rectangular steel plate and used as horizontal push supports (20) to be placed in the blank between the reinforced section steel, ear seats (21) are arranged at the tops of the push supports (20) and used for installing hydraulic cylinders (22), and meanwhile, the upper ear seats (21) are also arranged at the bottoms of cross beams of an upper-layer rack (13) and used for installing the hydraulic cylinders (22);
step 5, horizontally pushing the upper revolving body;
the lifting jack (9) is dropped to enable the upper revolving body (6) of the large ladle turret to be positioned on an upper layer rack (13) of the pushing rack (11), the lifting jack (9) and the supporting base plate are removed, the pushing hydraulic cylinder (22) is started to enable the upper layer rack (13) to drive the upper revolving body (6) of the large ladle turret to move along the longitudinal sliding ways (18) on two sides of the pushing platform (3) and the pushing sliding way (19) in the middle, after the hydraulic cylinder (22) reaches the complete extension of the stroke, the hydraulic cylinder (22) is removed from the lug seat (21) on the top of the pushing support (20), the pushing support (20) is moved forwards to be placed in a blank between reinforced sections on two sides of the pushing sliding way (19), and then the retracted hydraulic cylinder (22) is installed in the lug seat (21) on the top of the pushing support (20) to conduct pushing of the next stroke until the upper revolving body (6) of the large ladle turret reaches the center of the supporting tower (23);
step 6, new upper revolving body horizontally moves
When the upper revolving body (6) of the new big ladle turret is positioned behind the upper-layer rack (13), a push support (20) is reversely arranged to push the upper revolving body (6) of the big ladle turret to the upper part of the lower-layer rack (12) on the base (10) of the big ladle turret;
and repeating the step 2 and the step 3 to finish the positioning of the upper revolving body (6) of the new ladle turret.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111166094.6A CN113955663B (en) | 2021-09-30 | 2021-09-30 | Method for horizontally pushing and integrally jacking upper revolving body of ladle turret to be in position |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111166094.6A CN113955663B (en) | 2021-09-30 | 2021-09-30 | Method for horizontally pushing and integrally jacking upper revolving body of ladle turret to be in position |
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| Publication Number | Publication Date |
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| CN113955663A CN113955663A (en) | 2022-01-21 |
| CN113955663B true CN113955663B (en) | 2023-08-25 |
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| CN113955663A (en) | 2022-01-21 |
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