CN115504378A - Method for in-situ hydraulic lifting of heavy crane beam - Google Patents
Method for in-situ hydraulic lifting of heavy crane beam Download PDFInfo
- Publication number
- CN115504378A CN115504378A CN202211083273.8A CN202211083273A CN115504378A CN 115504378 A CN115504378 A CN 115504378A CN 202211083273 A CN202211083273 A CN 202211083273A CN 115504378 A CN115504378 A CN 115504378A
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- Prior art keywords
- lifting
- crane beam
- hydraulic synchronous
- hydraulic
- travelling
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a method for in-situ hydraulic lifting of a heavy crane beam, which comprises the steps of disconnecting a crane beam of a crane at the position of a bracket of an original crane beam, welding a new bracket above a preset position of a main steel column, and fixing a hydraulic synchronous lifter at the top of the new bracket; fixing a steel strand at the top of the travelling crane beam; connecting the steel strand with a hydraulic synchronous lifter; connecting the hydraulic synchronous lifter with a hydraulic synchronous control system; the hydraulic synchronous control system controls the hydraulic synchronous lifter to lift the travelling crane beam by 50-100mm and stay for 8-16 hours; after confirming that the new bracket support is not deformed, formally lifting; lifting the travelling crane beam to a design position, after confirming that the travelling crane beam is lifted to the proper position, butt-welding the travelling crane beam and the new bracket, and welding a surrounding bracket; and (3) unloading the hydraulic synchronous lifter in stages, dismantling the steel strand, installing an anti-falling inhaul cable, completing the lifting operation of the current travelling beam, and shifting to the lifting of the next travelling beam. The invention improves the installation efficiency of large and heavy components, reduces the labor intensity and ensures the operation quality.
Description
Technical Field
The invention relates to crane beam lifting, in particular to a method for in-situ hydraulic lifting of a heavy crane beam.
Background
At present, heavy crane beams of metallurgical enterprises in overhaul engineering are replaced by adopting a large crane for construction. Due to local replacement, the situation that production cannot be stopped and a large crane cannot be used due to site limitation, and construction is difficult. How to guarantee normal construction operation under the complicated condition of construction obstacle, guarantee the security of operation simultaneously is the problem that needs to solve.
Disclosure of Invention
The invention aims to provide a method for in-situ hydraulic lifting of a heavy crane beam, which improves the operation efficiency of component installation and ensures the operation safety.
In order to realize the purpose, the invention adopts the following technical scheme:
a method for in-situ hydraulic lifting of a heavy crane beam comprises the following steps:
1) Disconnecting a crane beam of a crane at the position of a bracket of an original crane beam, welding a new bracket above a preset position of a main steel column, and fixing a hydraulic synchronous lifter at the top of the new bracket;
2) Fixing a steel strand at the top of the travelling crane beam;
3) Connecting the steel strand with a hydraulic synchronous lifter;
4) Connecting the hydraulic synchronous lifter with a hydraulic synchronous control system;
5) The hydraulic synchronous control system controls the hydraulic synchronous lifter to lift the travelling crane beam by 50-100mm and stay for 8-16 hours;
6) After confirming that the new bracket support is not deformed, formally lifting; measuring the lifting relative heights of the lifting points at two sides every 3-5m during the lifting operation, and if the lifting relative heights are inconsistent, finely adjusting to be consistent;
7) Lifting the travelling crane beam to a design position, after confirming that the travelling crane beam is lifted to the proper position, butt-welding the travelling crane beam and the new bracket, and welding a surrounding bracket;
8) And (3) unloading the hydraulic synchronous lifter in stages, dismantling the steel strands, installing an anti-falling inhaul cable, completing the lifting operation of the current travelling beam, and shifting to the lifting of the next travelling beam.
The hydraulic synchronous control system comprises a computer, a pump station system, a measurement feedback module, an anchor sensor, a displacement sensor and a pressure sensor, wherein the anchor sensor, the displacement sensor and the pressure sensor feed information back to the measurement feedback module, the measurement feedback module sends the information to the computer and the pump station system, and the computer controls the pump station system to drive the hydraulic synchronous lifter to act according to the anchor information, the displacement information and the oil pressure information.
Compared with the prior art, the invention has the beneficial effects that:
the invention meets the requirements of construction sites, improves the installation efficiency of large and heavy components, reduces the labor intensity, saves the efficiency and ensures the safety and the quality of construction operation.
Drawings
Fig. 1 is a schematic view of a heavy crane beam lifting.
Fig. 2 is a computer control schematic.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A method for in-situ hydraulic lifting of a heavy crane beam comprises the following steps:
1) Disconnecting a crane beam of a crane at the position of a bracket of an original crane beam, welding a new bracket above a preset position of a main steel column, and fixing a hydraulic synchronous lifter at the top of the new bracket;
2) Fixing a steel strand at the top of the travelling crane beam;
3) Connecting the steel strand with a hydraulic synchronous lifter;
4) Connecting the hydraulic synchronous lifter with a hydraulic synchronous control system;
5) The hydraulic synchronous control system controls the hydraulic synchronous lifter to lift the travelling crane beam by 50-100mm and stay for 8-16 hours; the hydraulic synchronous control system comprises a computer, a pump station system, a measurement feedback module, an anchor sensor, a displacement sensor and a pressure sensor, wherein the anchor sensor, the displacement sensor and the pressure sensor feed information back to the measurement feedback module, the measurement feedback module sends the information to the computer and the pump station system, and the computer controls the pump station system to drive the hydraulic synchronous lifter to act according to the anchor information, the displacement information and the oil pressure information.
6) After confirming that the new bracket support is not deformed, formally lifting; and measuring the lifting relative heights of the hoisting points at two sides every 3-5m during the lifting operation, and if the lifting relative heights are not consistent, finely adjusting to be consistent.
7) Lifting the travelling crane beam to a design position, after confirming that the travelling crane beam is lifted to the proper position, butt-welding the travelling crane beam and the new bracket, and welding a surrounding bracket;
8) And (3) unloading the hydraulic synchronous lifter in stages, dismantling the steel strand, installing an anti-falling inhaul cable, completing the lifting operation of the current travelling beam, and shifting to the lifting of the next travelling beam.
Examples
A method for in-situ hydraulic lifting of heavy crane beams, wherein 10 crane beams are provided, comprises the following steps:
1) Disconnecting a crane beam at the position of a bracket of an original crane beam, welding a new bracket above a preset position of a main steel column, and fixing a hydraulic synchronous lifter (specification TLJ-2000) at the top of the new bracket; the lifting capacity is 200 tons;
2) Fixing a steel strand at the top of the travelling crane beam; the specification of the steel strand is 1 multiplied by 7 to 15.2mm, and the breaking tension of a single steel strand is 26 tons;
3) Connecting the steel strand with a hydraulic synchronous lifter;
4) Connecting the hydraulic synchronous lifter with a hydraulic synchronous control system (TLC-1.3 type computer synchronous control system); 2 60KW hydraulic variable frequency pump stations are configured; each pump station is provided with two single pumps which work independently, and each single pump drives the hydraulic synchronous lifters at two lifting point positions to work;
5) The hydraulic synchronous control system controls the hydraulic synchronous lifter to lift the travelling crane beam by 50-100mm and stay for 8-16 hours; the hydraulic synchronous control system comprises a computer, a pump station system, a measurement feedback module, an anchor sensor, a displacement sensor and a pressure sensor, wherein the anchor sensor, the displacement sensor and the pressure sensor feed information back to the measurement feedback module, the measurement feedback module sends the information to the computer and the pump station system, and the computer controls the pump station system to drive the hydraulic synchronous lifter to act according to the anchor information, the displacement information and the oil pressure information.
6) After confirming that the new bracket support is not deformed, formally lifting; and measuring the lifting relative heights of the lifting points at two sides every 3-5m during the lifting operation, and if the lifting relative heights are inconsistent, finely adjusting to be consistent.
7) Lifting the travelling crane beam to a design position, after confirming that the travelling crane beam is lifted to the proper position, butt-welding the travelling crane beam and the new bracket, and welding a surrounding bracket;
8) And (3) unloading the hydraulic synchronous lifter in stages, dismantling the steel strand, installing an anti-falling inhaul cable, completing the lifting operation of the current travelling beam, and shifting to the lifting of the next travelling beam.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A method for in-situ hydraulic lifting of a heavy crane beam is characterized by comprising the following steps:
1) Disconnecting a crane beam of a crane at the position of a bracket of an original crane beam, welding a new bracket above a preset position of a main steel column, and fixing a hydraulic synchronous lifter at the top of the new bracket;
2) Fixing a steel strand at the top of the travelling crane beam;
3) Connecting the steel strand with a hydraulic synchronous lifter;
4) Connecting the hydraulic synchronous lifter with a hydraulic synchronous control system;
5) The hydraulic synchronous control system controls the hydraulic synchronous lifter to lift the travelling crane beam by 50-100mm and stay for 8-16 hours;
6) After confirming that the new bracket support is not deformed, formally lifting; measuring the lifting relative heights of the lifting points at two sides every 3-5m during the lifting operation, and if the lifting relative heights are not consistent, finely adjusting to be consistent;
7) Lifting the travelling crane beam to a design position, after confirming that the lifting is in place, butt-welding the travelling crane beam and the new bracket, and welding a surrounding bracket;
8) And (3) unloading the hydraulic synchronous lifter in stages, dismantling the steel strands, installing an anti-falling inhaul cable, completing the lifting operation of the current travelling beam, and shifting to the lifting of the next travelling beam.
2. The method for in-situ hydraulic lifting of the heavy crane beam according to claim 1, wherein the hydraulic synchronous control system comprises a computer, a pump station system, a measurement feedback module, an anchor sensor, a displacement sensor and a pressure sensor, the anchor sensor, the displacement sensor and the pressure sensor feed back information to the measurement feedback module, the measurement feedback module sends the information to the computer and the pump station system, and the computer controls the pump station system to drive the hydraulic synchronous lifter to act according to the anchor information, the displacement information and the oil pressure information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211083273.8A CN115504378A (en) | 2022-09-06 | 2022-09-06 | Method for in-situ hydraulic lifting of heavy crane beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211083273.8A CN115504378A (en) | 2022-09-06 | 2022-09-06 | Method for in-situ hydraulic lifting of heavy crane beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115504378A true CN115504378A (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211083273.8A Pending CN115504378A (en) | 2022-09-06 | 2022-09-06 | Method for in-situ hydraulic lifting of heavy crane beam |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0796813A2 (en) * | 1996-03-22 | 1997-09-24 | MANNESMANN Aktiengesellschaft | Lifting equipment |
| CN112520610A (en) * | 2020-10-29 | 2021-03-19 | 上海宝冶冶金工程有限公司 | Method for installing hydraulic lifting equipment on top of gas cabinet |
| WO2021128161A1 (en) * | 2019-12-26 | 2021-07-01 | 广州建筑股份有限公司 | Method and apparatus for integrated and elevated construction of arched structure |
| CN113666284A (en) * | 2021-08-23 | 2021-11-19 | 中建八局发展建设有限公司 | Hydraulic lifting construction method for outdoor truss steel structure |
| CN113685040A (en) * | 2021-08-25 | 2021-11-23 | 中电建十一局工程有限公司 | Large-span steel truss hoisting construction method |
-
2022
- 2022-09-06 CN CN202211083273.8A patent/CN115504378A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0796813A2 (en) * | 1996-03-22 | 1997-09-24 | MANNESMANN Aktiengesellschaft | Lifting equipment |
| WO2021128161A1 (en) * | 2019-12-26 | 2021-07-01 | 广州建筑股份有限公司 | Method and apparatus for integrated and elevated construction of arched structure |
| CN112520610A (en) * | 2020-10-29 | 2021-03-19 | 上海宝冶冶金工程有限公司 | Method for installing hydraulic lifting equipment on top of gas cabinet |
| CN113666284A (en) * | 2021-08-23 | 2021-11-19 | 中建八局发展建设有限公司 | Hydraulic lifting construction method for outdoor truss steel structure |
| CN113685040A (en) * | 2021-08-25 | 2021-11-23 | 中电建十一局工程有限公司 | Large-span steel truss hoisting construction method |
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