CN113955663A - Method for horizontally pushing and integrally jacking upper revolving body of bale revolving platform in place - Google Patents
Method for horizontally pushing and integrally jacking upper revolving body of bale revolving platform in place Download PDFInfo
- Publication number
- CN113955663A CN113955663A CN202111166094.6A CN202111166094A CN113955663A CN 113955663 A CN113955663 A CN 113955663A CN 202111166094 A CN202111166094 A CN 202111166094A CN 113955663 A CN113955663 A CN 113955663A
- Authority
- CN
- China
- Prior art keywords
- pushing
- bale
- revolving body
- platform
- jacking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- 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 bale revolving platform in place, which is characterized by comprising the following steps of: the method comprises the following steps of 1, setting a jacking fulcrum; step 2, integrally jacking the upper revolving body; step 3, pushing the rack to be in place; step 4, arranging a pushing support; step 5, horizontally pushing the upper revolving body; and 6, horizontally pushing the new upper part revolving body. The method integrally jacks the upper revolving body of the ladle revolving platform, the jacking force is controlled uniformly, the rolling friction resistance generated in the operation of the pushing bench with a small jacking stroke is small, and the integral pushing of the upper revolving body of the ladle revolving platform can be completed only by using one hydraulic cylinder. Compared with the existing installation method of lifting by using a travelling crane and synchronously sliding at multiple points, 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 bale revolving platform in place.
Background
The existing method for synchronously pushing the upper revolving body of the ladle revolving platform of the continuous casting machine by adopting a double-traveling crane lifting crane and laying a steel rail slideway by using a hydraulic cylinder is mostly adopted when the whole upper revolving body of the ladle revolving platform of the continuous casting machine is pushed and replaced, and the method is restricted by adverse factors such as difficult traveling crane installation or difficult production coordination and the like and is not beneficial to installation operation. And secondly, the construction cost is increased due to the fact that special equipment is required to be leased when the hydraulic cylinder is synchronously pushed.
Disclosure of Invention
The invention aims to overcome the defects and provides a method for horizontally pushing and integrally jacking the upper rotary body of the bale rotary table to be in place, which has higher installation efficiency, is easy to implement and has guaranteed construction quality.
In order to achieve the above object, the present invention is realized by:
a method for horizontally pushing and integrally jacking an upper revolving body of a bale rotary table in place comprises
Step 1, setting a jacking fulcrum;
a jacking fulcrum (2) is arranged below a ladle arm (1) of a ladle turret, the jacking fulcrum (2) is positioned on a cross beam (4) of a pushing platform (3), a rib plate is arranged between an upper wing plate and a lower wing plate 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) and uniformly disperse the jacking force on a basic platform;
reinforcing ladle arms (1) of a ladle turret, mounting rectangular square billets (8) at fixed pin shafts (7) at the top of a tower of an upper revolving body (6) to enable the ladle arms (1) at two sides of the ladle turret to be kept in a horizontal state, and starting jacks (9) to lift the upper revolving body (6) of the ladle turret away from a base (10) of the ladle turret in cooperation with supporting base plates;
step 3, pushing the rack to be in place;
firstly, a pushing bench (11) is installed in a transverse slideway (14), a travelling wheel (15) of a lower bench (12) is enabled to be tightly attached to a wheel travelling plate of the transverse slideway (14), a guide wheel (16) is enabled to be 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 part of the transverse slideway (14), a running slideway (17) at two sides of the lower bench (12) is enabled to be aligned with a longitudinal slideway (18), at the moment, the lower bench (12) of the pushing bench (11) is just positioned above a bale rotary table base (10), an oblique iron and a backing plate are used for fixing the lower bench (12) of the pushing bench (11) with the bale rotary table base (10) and the transverse slideway (14) together, and when an upper rotary table (6) of the lower bale rotary table is positioned on the upper bench (13), the weight of the upper rotary table (6) is dispersed to the bale rotary table base (10) and the transverse slideway (10) through the lower bench (12) (14) When the upper rotary body (6) of the bale rotary table is horizontally pushed, the lower-layer rack (12) can transmit the reaction force of horizontal pushing to the base (10) of the bale rotary table;
step 4, arranging a pushing support;
spaces formed by transverse reinforcing section steels arranged at equal intervals on two sides of a pushing slideway (19) are used as anchoring points, four rectangular anchoring piles are welded at the bottom of a rectangular steel plate and used as horizontal pushing supports (20) to be placed in the spaces between the reinforcing section steels, lug seats (21) are arranged at the tops of the pushing supports (20) and used for installing hydraulic cylinders (22), and meanwhile lug seats (21) are also installed 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 jack (9) is dropped down to ensure that the revolving body (6) at the upper part of the bale revolving platform is positioned on the upper layer rack (13) of the pushing rack (11), the jack (9) and the supporting cushion plate are removed, the pushing hydraulic cylinder (22) is started to ensure that the upper layer rack (13) drives the revolving body (6) at the upper part of the bale revolving platform to run along the longitudinal slideways (18) at the two sides of the pushing platform (3) and the pushing slideway (19) at the middle part, when the hydraulic cylinder (22) reaches the stroke and completely extends out, the hydraulic cylinder is detached from the lug seat (21) at the top of the pushing support (20), the pushing support (20) moves forwards and is placed in a space between reinforcing section steels at two sides of the pushing slideway (19), and the retracted hydraulic cylinder (22) is installed in the lug seat (21) at the top of the pushing support (20) to push the next stroke until the upper revolving body (6) of the bale revolving platform reaches the center of the supporting tower (23);
When the new bale rotary table upper part rotary body (6) is positioned behind the upper layer rack (13), a pushing support (20) is reversely arranged to push the bale rotary table upper part rotary body (6) to the upper part of the lower layer rack (12) on the bale rotary table base (10). And repeating the step 2 and the step 3 to complete the positioning of the upper part revolving body (6) of the new ladle turret.
Compared with the prior art, the invention has the following advantages:
1. jacking fulcrum sets up reliably: the steel ladle arm fixing pin shafts on the two sides are reinforced to enable the upper rotary body to integrally form a jacking process to be more stable, and an independent profile steel stand column is arranged on the pushing platform structure to effectively decompose the load.
2. The support strength of the pushing rack is high: the pushing rack adopts an upper-layer combined structure and a lower-layer combined structure, can be quickly installed in place and can be connected with the bale revolving platform base into a whole, and can effectively bear the weight of the upper revolving body and decompose the horizontal jacking force.
3. The whole pushing operation is stable: the pushing force of the single hydraulic cylinder can be effectively controlled, and the upper-layer rack carrying upper-part revolving body always runs more stably and reliably under the constraint of the section steel web.
The method integrally jacks the upper revolving body of the ladle revolving platform, the jacking force is uniformly controlled, the rolling friction resistance generated in the operation of the pushing bench with a small jacking stroke is small, and the integral pushing of the upper revolving body of the ladle revolving platform can be completed only by using one hydraulic cylinder. Compared with the existing installation method of lifting by using a travelling crane and synchronously sliding at multiple points, the method has better popularization and application values.
Drawings
Fig. 1 is a schematic diagram of a jacking fulcrum arrangement.
Fig. 2 is a schematic view of the pushing carriage in place.
Fig. 3 is a schematic view of a pusher shoe arrangement.
FIG. 4 is a schematic view of horizontal shifting of the upper slewing body
In the figure: the steel ladle lifting device comprises a steel ladle arm (1), a lifting fulcrum (2), a pushing platform (3), a cross beam (4), a section steel upright post (5), an upper rotary body (6), a fixed pin shaft (7), a square billet (8), a jack (9), a base (10), a pushing rack (11), a lower rack (12), an upper rack (13), a transverse slide way (14), a walking wheel (15), a guide wheel (16), a running slide way (17), a longitudinal slide way (18), a pushing slide way (19), a pushing support (20), an ear seat (21), a hydraulic cylinder (22) and a tower (23).
Detailed Description
The invention is further illustrated by the following specific examples.
A method for horizontally pushing and integrally jacking an upper revolving body of a bale rotary table in place comprises
Step 1, setting a jacking fulcrum;
a jacking fulcrum (2) is arranged below a ladle arm (1) of a ladle turret, the jacking fulcrum (2) is positioned on a cross beam (4) of a pushing platform (3), a rib plate is arranged between an upper wing plate and a lower wing plate 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) and uniformly disperse the jacking force on a basic platform;
reinforcing ladle arms (1) of a ladle turret, mounting rectangular square billets (8) at fixed pin shafts (7) at the top of a tower of an upper revolving body (6) to enable the ladle arms (1) at two sides of the ladle turret to be kept in a horizontal state, and starting jacks (9) to lift the upper revolving body (6) of the ladle turret away from a base (10) of the ladle turret in cooperation with supporting base plates;
step 3, pushing the rack to be in place;
firstly, a pushing bench (11) is installed in a transverse slideway (14), a travelling wheel (15) of a lower bench (12) is enabled to be tightly attached to a wheel travelling plate of the transverse slideway (14), a guide wheel (16) is enabled to be 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 part of the transverse slideway (14), a running slideway (17) at two sides of the lower bench (12) is enabled to be aligned with a longitudinal slideway (18), at the moment, the lower bench (12) of the pushing bench (11) is just positioned above a bale rotary table base (10), an oblique iron and a backing plate are used for fixing the lower bench (12) of the pushing bench (11) with the bale rotary table base (10) and the transverse slideway (14) together, and when an upper rotary table (6) of the lower bale rotary table is positioned on the upper bench (13), the weight of the upper rotary table (6) is dispersed to the bale rotary table base (10) and the transverse slideway (10) through the lower bench (12) (14) When the upper rotary body (6) of the bale rotary table is horizontally pushed, the lower-layer rack (12) can transmit the reaction force of horizontal pushing to the base (10) of the bale rotary table;
step 4, arranging a pushing support;
spaces formed by transverse reinforcing section steels arranged at equal intervals on two sides of a pushing slideway (19) are used as anchoring points, four rectangular anchoring piles are welded at the bottom of a rectangular steel plate and used as horizontal pushing supports (20) to be placed in the spaces between the reinforcing section steels, lug seats (21) are arranged at the tops of the pushing supports (20) and used for installing hydraulic cylinders (22), and meanwhile lug seats (21) are also installed 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 jack (9) is dropped down to ensure that the revolving body (6) at the upper part of the bale revolving platform is positioned on the upper layer rack (13) of the pushing rack (11), the jack (9) and the supporting cushion plate are removed, the pushing hydraulic cylinder (22) is started to ensure that the upper layer rack (13) drives the revolving body (6) at the upper part of the bale revolving platform to run along the longitudinal slideways (18) at the two sides of the pushing platform (3) and the pushing slideway (19) at the middle part, when the hydraulic cylinder (22) reaches the stroke and completely extends out, the hydraulic cylinder is detached from the lug seat (21) at the top of the pushing support (20), the pushing support (20) moves forwards and is placed in a space between reinforcing section steels at two sides of the pushing slideway (19), and the retracted hydraulic cylinder (22) is installed in the lug seat (21) at the top of the pushing support (20) to push the next stroke until the upper revolving body (6) of the bale revolving platform reaches the center of the supporting tower (23);
When the new bale rotary table upper part rotary body (6) is positioned behind the upper layer rack (13), a pushing support (20) is reversely arranged to push the bale rotary table upper part rotary body (6) to the upper part of the lower layer rack (12) on the bale rotary table base (10). And repeating the step 2 and the step 3 to complete the positioning of the upper part revolving body (6) of the new ladle turret.
Compared with the prior art, the invention has the following advantages:
1. jacking fulcrum sets up reliably: the steel ladle arm fixing pin shafts on the two sides are reinforced to enable the upper rotary body to integrally form a jacking process to be more stable, and an independent profile steel stand column is arranged on the pushing platform structure to effectively decompose the load.
2. The support strength of the pushing rack is high: the pushing rack adopts an upper-layer combined structure and a lower-layer combined structure, can be quickly installed in place and can be connected with the bale revolving platform base into a whole, and can effectively bear the weight of the upper revolving body and decompose the horizontal jacking force.
3. The whole pushing operation is stable: the pushing force of the single hydraulic cylinder can be effectively controlled, and the upper-layer rack carrying upper-part revolving body always runs more stably and reliably under the constraint of the section steel web.
Claims (1)
1. A method for horizontally pushing and integrally jacking an upper revolving body of a bale revolving platform in place is characterized by comprising the following steps: comprises that
Step 1, setting a jacking fulcrum;
a jacking fulcrum (2) is arranged below a ladle arm (1) of a ladle turret, the jacking fulcrum (2) is positioned on a cross beam (4) of a pushing platform (3), a rib plate is arranged between an upper wing plate and a lower wing plate 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) and uniformly disperse the jacking force on a basic platform;
step 2, integrally jacking the upper revolving body;
reinforcing ladle arms (1) of a ladle turret, mounting rectangular square billets (8) at fixed pin shafts (7) at the top of a tower of an upper revolving body (6) to enable the ladle arms (1) at two sides of the ladle turret to be kept in a horizontal state, and starting jacks (9) to lift the upper revolving body (6) of the ladle turret away from a base (10) of the ladle turret in cooperation with supporting base plates;
step 3, pushing the rack to be in place;
firstly, a pushing bench (11) is installed in a transverse slideway (14), a travelling wheel (15) of a lower bench (12) is enabled to be tightly attached to a wheel travelling plate of the transverse slideway (14), a guide wheel (16) is enabled to be 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 part of the transverse slideway (14), a running slideway (17) at two sides of the lower bench (12) is enabled to be aligned with a longitudinal slideway (18), at the moment, the lower bench (12) of the pushing bench (11) is just positioned above a bale rotary table base (10), an oblique iron and a backing plate are used for fixing the lower bench (12) of the pushing bench (11) with the bale rotary table base (10) and the transverse slideway (14) together, and when an upper rotary table (6) of the lower bale rotary table is positioned on the upper bench (13), the weight of the upper rotary table (6) is dispersed to the bale rotary table base (10) and the transverse slideway (10) through the lower bench (12) (14) When the upper rotary body (6) of the bale rotary table is horizontally pushed, the lower-layer rack (12) can transmit the reaction force of horizontal pushing to the base (10) of the bale rotary table;
step 4, arranging a pushing support;
spaces formed by transverse reinforcing section steels arranged at equal intervals on two sides of a pushing slideway (19) are used as anchoring points, four rectangular anchoring piles are welded at the bottom of a rectangular steel plate and used as horizontal pushing supports (20) to be placed in the spaces between the reinforcing section steels, lug seats (21) are arranged at the tops of the pushing supports (20) and used for installing hydraulic cylinders (22), and meanwhile lug seats (21) are also installed 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 jack (9) is dropped down to ensure that the revolving body (6) at the upper part of the bale revolving platform is positioned on the upper layer rack (13) of the pushing rack (11), the jack (9) and the supporting cushion plate are removed, the pushing hydraulic cylinder (22) is started to ensure that the upper layer rack (13) drives the revolving body (6) at the upper part of the bale revolving platform to run along the longitudinal slideways (18) at the two sides of the pushing platform (3) and the pushing slideway (19) at the middle part, when the hydraulic cylinder (22) reaches the stroke and completely extends out, the hydraulic cylinder is detached from the lug seat (21) at the top of the pushing support (20), the pushing support (20) moves forwards and is placed in a space between reinforcing section steels at two sides of the pushing slideway (19), and the retracted hydraulic cylinder (22) is installed in the lug seat (21) at the top of the pushing support (20) to push the next stroke until the upper revolving body (6) of the bale revolving platform reaches the center of the supporting tower (23);
step 6, horizontally moving the new upper revolving body
When the upper revolving body (6) of the new bale revolving platform is positioned behind the upper layer rack (13), a pushing support (20) is reversely arranged to push the upper revolving body (6) of the bale revolving platform to be above the lower layer rack (12) on the base (10) of the bale revolving platform;
and repeating the step 2 and the step 3 to complete the positioning of the upper part 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113955663A true CN113955663A (en) | 2022-01-21 |
| CN113955663B CN113955663B (en) | 2023-08-25 |
Family
ID=79463502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111166094.6A Active 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113955663B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2576547A1 (en) * | 2006-01-31 | 2007-07-31 | Cequent Trailer Products, Inc. | Powered drive for jack |
| CN101486090A (en) * | 2009-02-20 | 2009-07-22 | 中冶实久建设有限公司南京分公司 | Method for dismounting and replacing ladle turret revolving bearing |
| CN101586342A (en) * | 2009-06-15 | 2009-11-25 | 中交一航局第二工程有限公司 | Caisson adopts jack to move horizontally the roof process of jacking |
| CN203021005U (en) * | 2013-01-23 | 2013-06-26 | 广西水工机械厂 | Jacking and transversely moving trolley |
| CN203568804U (en) * | 2013-09-27 | 2014-04-30 | 中国二十冶集团有限公司 | Jacking sliding supporting device for large equipment |
| 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 |
| CN105583680A (en) * | 2016-03-11 | 2016-05-18 | 顺德职业技术学院 | Feeding robot |
| CN106493531A (en) * | 2016-10-30 | 2017-03-15 | 中国二十二冶集团有限公司 | Jumbo erecting device and installation method in gate-type spatial window |
| CN206088969U (en) * | 2016-07-27 | 2017-04-12 | 泸州合成液压件有限公司 | Three -dimensional hydraulic pressure removes pick |
| CN107661977A (en) * | 2017-09-22 | 2018-02-06 | 九江萍钢钢铁有限公司 | It is a kind of that the method for changing conticaster ladle pivoting support is integrally lifted according to crane gear |
| CN208995042U (en) * | 2018-07-03 | 2019-06-18 | 宣化钢铁集团有限责任公司 | A kind of jacking apparatus for replacing ladle turntable bearing |
| CN112897359A (en) * | 2021-03-19 | 2021-06-04 | 中国二十二冶集团有限公司 | Auxiliary installation tool and method for ladle turret of continuous casting machine |
-
2021
- 2021-09-30 CN CN202111166094.6A patent/CN113955663B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2576547A1 (en) * | 2006-01-31 | 2007-07-31 | Cequent Trailer Products, Inc. | Powered drive for jack |
| CN101486090A (en) * | 2009-02-20 | 2009-07-22 | 中冶实久建设有限公司南京分公司 | Method for dismounting and replacing ladle turret revolving bearing |
| CN101586342A (en) * | 2009-06-15 | 2009-11-25 | 中交一航局第二工程有限公司 | Caisson adopts jack to move horizontally the roof process of jacking |
| CN203021005U (en) * | 2013-01-23 | 2013-06-26 | 广西水工机械厂 | Jacking and transversely moving trolley |
| CN203568804U (en) * | 2013-09-27 | 2014-04-30 | 中国二十冶集团有限公司 | Jacking sliding supporting device for large equipment |
| 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 |
| CN105583680A (en) * | 2016-03-11 | 2016-05-18 | 顺德职业技术学院 | Feeding robot |
| CN206088969U (en) * | 2016-07-27 | 2017-04-12 | 泸州合成液压件有限公司 | Three -dimensional hydraulic pressure removes pick |
| CN106493531A (en) * | 2016-10-30 | 2017-03-15 | 中国二十二冶集团有限公司 | Jumbo erecting device and installation method in gate-type spatial window |
| CN107661977A (en) * | 2017-09-22 | 2018-02-06 | 九江萍钢钢铁有限公司 | It is a kind of that the method for changing conticaster ladle pivoting support is integrally lifted according to crane gear |
| CN208995042U (en) * | 2018-07-03 | 2019-06-18 | 宣化钢铁集团有限责任公司 | A kind of jacking apparatus for replacing ladle turntable bearing |
| CN112897359A (en) * | 2021-03-19 | 2021-06-04 | 中国二十二冶集团有限公司 | Auxiliary installation tool and method for ladle turret of continuous casting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113955663B (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204525396U (en) | Multi-functional high-strength vehicle maintenance platform | |
| CN111395798B (en) | Lever type jacking and fixing building guide rail translation device and construction method | |
| CN202245930U (en) | Vehicle truck frame lifting device for rail transportation locomotive | |
| CN110127530A (en) | For hanging apparatus and its application method in restricted clearance workshop | |
| CN112030777B (en) | Descending movable formwork support bracket crossing type transfer construction method | |
| CN112897359A (en) | Auxiliary installation tool and method for ladle turret of continuous casting machine | |
| CN113955663A (en) | Method for horizontally pushing and integrally jacking upper revolving body of bale revolving platform in place | |
| CN111807290A (en) | Large equipment jacking and moving device and method | |
| CN115571819A (en) | Large rotary kiln barrel installation method and assembly auxiliary device | |
| CN202247684U (en) | Auxiliary installation device for bridge bearing | |
| CN210856941U (en) | Bridge prestress tensioning trolley | |
| CN202099311U (en) | Backing ring assembling platform for four-point suspension type mammoth converter | |
| CN111824799B (en) | Heavy equipment unloading device and unloading method | |
| CN202099312U (en) | Elevated bracket for installation of four-point suspension type mammoth converter | |
| CN214359864U (en) | Train rescue hoist and mount | |
| CN203214090U (en) | Hydraulic support positioning machine | |
| CN215369861U (en) | Multifunctional pipe jacking machine operation platform | |
| CN221299184U (en) | Wheel type trolley centering device and wheel type trolley | |
| CN220768069U (en) | Portable bearing structure of superelevation breakwater template | |
| CN216071811U (en) | Wedge lifting walking beam structure | |
| CN217556936U (en) | Prefabricated piping lane of single storehouse assembles car | |
| CN220950793U (en) | Core-penetrating lifting device in limited space of large motor | |
| CN113716462A (en) | Method for hoisting urea synthesizing tower by hydraulic lifting | |
| CN214879839U (en) | Jacking system of sliding | |
| CN215628098U (en) | Auxiliary device for mounting converter secondary speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |