CN112919305A - Method for dismounting temporary support hanging beam tool of crane - Google Patents
Method for dismounting temporary support hanging beam tool of crane Download PDFInfo
- Publication number
- CN112919305A CN112919305A CN201911232393.8A CN201911232393A CN112919305A CN 112919305 A CN112919305 A CN 112919305A CN 201911232393 A CN201911232393 A CN 201911232393A CN 112919305 A CN112919305 A CN 112919305A
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- Prior art keywords
- hanging
- crane
- hanging beam
- main
- supporting
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- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/52—Floating cranes
- B66C23/53—Floating cranes including counterweight or means to compensate for list, trim, or skew of the vessel or platform
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a method for dismantling a crane temporary support hanging beam tool, which comprises the following steps: a. hanging a hanging bar by using a main hook of the door seat hanger, and detaching a connecting pin shaft of the support hanging beam and the top area of the folding arm hanger tower body; b. adjusting the angle of the main and auxiliary arm rods of the folding arm crane, placing the main and auxiliary arm rods on a rest seat, and driving the support hanging beam to move along with the main and auxiliary arm rods by the main hook of the door seat crane; c. placing the temporary storage support on a folding arm hanging arm rod by using a sea crane to be fixed; d. after the hanging bar is hung by using the sea crane single hook, the connecting pin shaft of the supporting hanging beam and the main arm rod area is disassembled; e. the door seat crane and the sea crane are matched to hoist one side of the supporting hanging beam to the temporary storage bracket on the arm rod for fixing, and then the single-hook hanging point of the sea crane is removed; f. a hanging bar is hung on the double hooks of the sea crane, a balancing weight is hung below the hanging point on one side of the hanging bar, and the hanging point on the other side is connected with a temporary supporting hanging beam; g. and lifting the double hooks of the sea crane, moving the supporting hanging beam out of the side face of the crane, and finishing the dismantling operation. The invention solves the problem of dismantling the supporting hanging beam.
Description
Technical Field
The invention relates to the field of marine crane installation of a folding arm on a ship deck, in particular to a method for dismantling a crane temporary support hanging beam tool.
Background
The 'Masshiki installer' is the latest ultra-deep water maritime work ship in the world at present, is provided with 2 international advanced novel folding arm maritime work cranes with a wave compensation function, the height of the folding arm crane is large, the folding arm crane needs to be transported in a 'lying' mode, a temporary supporting hanging beam tool is connected between a main arm rod of the crane and the top of a tower body and used as a main turning and folding hanging point of a 400T folding arm crane, after the folding arm crane folding operation of 400 tons is completed, the temporary connecting supporting hanging beam tool needs to be removed, and the tool cannot be directly removed from the inside of a steel wire rope for connecting the tower body of the folding arm crane and a main and auxiliary arm rods, so that the construction problem is solved by a crane temporary supporting hanging beam removing process scheme.
Disclosure of Invention
The invention aims to provide a method for dismantling a crane temporary support hanging beam tool, which solves the problem of difficulty in dismantling the crane support hanging beam tool.
The technical scheme adopted by the invention for realizing the purpose is as follows: a method for dismounting a tool for temporarily supporting a hanging beam of a crane comprises the following steps:
a. hanging a hanging bar by using a main hook of the door seat hanger, and detaching a connecting pin shaft of the support hanging beam and the top area of the folding arm hanging tower body after connecting a hanging point at one side of the temporary support hanging beam;
b. adjusting the angles of the main and auxiliary arm rods of the folding arm crane, respectively adjusting the angles of the main arm rod and the auxiliary arm rod, placing the main and auxiliary arm rods on a rest seat after adjusting to a proper angle, and driving a main hook of the door seat crane to drive a supporting hanging beam to move along with the main and auxiliary arm rods;
c. placing the temporary storage support on a folding arm hanging arm rod by using a sea crane to be fixed;
d. after the hanging bar is hung by using the sea-hanging single hook, connecting a hanging point at the other side of the temporary supporting hanging beam, and detaching a connecting pin shaft in the region of the supporting hanging beam and the main arm rod;
e. the door seat crane and the sea crane are matched to hoist one side of the supporting hanging beam to the temporary storage bracket on the arm rod for fixing, and then the single-hook hanging point of the sea crane is removed;
f. a hanging bar is hung on a double hook of the sea crane, a balancing weight is hung below a hanging point on one side of the hanging bar, a hanging point on the other side is connected with a temporary support hanging beam, the balance of the hanging bar is adjusted in the process of hanging and connecting the support hanging beam, and the hanging point is removed after a main hook of the gantry crane is matched with and adjusts the angle of the support hanging beam;
g. and the lifting sea crane double hooks move the supporting hanging beam out of the side face of the crane by utilizing a lever balance principle to finish the dismantling operation.
In the step b, when the main arm rod forms an angle of 45 degrees, the auxiliary arm rod is adjusted to an angle of 110 degrees from an angle of 20 degrees, the main arm rod and the auxiliary arm rod are placed on the rest seat, and the main hook of the door seat crane drives the supporting hanging beam to move along with the main arm rod and the auxiliary arm rod.
And f, in the process of hoisting and connecting the support hoisting beams, the balance of the hoisting bar is ensured by adjusting the stress of double hooks of the crane.
The tool dismantling method for the crane temporary support hanging beam solves the problem of dismantling the support hanging beam.
Drawings
Fig. 1 is a schematic view illustrating a step a of a method for removing a temporary support hanging beam of a crane according to the present invention.
Fig. 2 is a schematic view illustrating step b of a method for removing a temporary support hanging beam of a crane according to the present invention.
Fig. 3 is a schematic view illustrating step c of a method for removing a temporary support hanging beam of a crane according to the present invention.
Fig. 4 is a schematic view illustrating a step d of a method for removing a temporary support hanging beam of a crane according to the present invention.
Fig. 5 is a schematic view illustrating step e of a method for removing a temporary support hanging beam of a crane according to the present invention.
Fig. 6 is a schematic view illustrating step f of a method for removing a temporary support hanging beam of a crane according to the present invention.
Fig. 7 is a first schematic view of step g of the method for removing the temporary support hanging beam of the crane according to the invention.
Fig. 8 is a schematic view illustrating a second step g of the method for removing the temporary support hanging beam of the crane according to the present invention.
Fig. 9 is a schematic view of fig. 2 in the direction of a.
Fig. 10 is a schematic view of fig. 4 in the direction of B.
Fig. 11 is a schematic view of fig. 6 in direction C.
Fig. 12 is a schematic view of fig. 11 in direction D.
Fig. 13 is a schematic view of a crane operation station for a method of removing a temporary support beam of a crane according to the present invention.
In the figure: 1. a first hanging bar; 2. supporting the hanging beam; 3. connecting a pin shaft; 4. a rest seat; 5. storing the support; 6. a second hanging bar; 7. connecting a pin shaft; 8. a third hanging bar; 9. a balancing weight; 10. a main hook is hung on the door seat; 11. a single sea crane hook; 12. double hooks of a sea crane; 13. a door seat is hung; 14. and (5) hoisting by sea.
Detailed Description
As shown in fig. 1 to 13, the method for dismounting the tool for temporarily supporting the hanging beam of the crane comprises the following steps: a. in a ship mooring state, after a first hanging bar 1 is hung by using a main hook 10 of a portal crane and then a hanging point at one side of a temporary support hanging beam 2 is connected, the support hanging beam 2 and a connecting pin shaft 3 in the top area of a folding arm hanging tower body are detached; b, adjusting the angle of a main arm rod and an auxiliary arm rod of the folding arm crane, when the main arm rod is at an angle of 45 degrees, adjusting the auxiliary arm rod from an angle of 20 degrees to an angle of 110 degrees, slowly placing the arm rod on a rest seat 4 of the arm rod, driving a main hook 10 of the gantry crane to drive a supporting hanging beam 2 to move along with the arm rod, and avoiding the scraping of a steel wire rope for connecting the supporting hanging beam 2 with the folding arm crane in the process; c, using a sea crane to place the temporary storage support 5 on the folding arm hanging arm rod for fixing; d, hanging a second hanging bar 6 by using a sea-hanging single hook 11, connecting a hanging point at the other side of the temporary support hanging beam 2, and detaching a connecting pin shaft 7 between the support hanging beam 2 and the main arm rod region; e, lifting the movable supporting hanging beam 2 by matching the main hook 10 of the gantry crane with the single sea crane hook 11, hoisting one side of the movable supporting hanging beam to the temporary storage bracket 5 on the arm rod, fixing, and removing the hoisting point of the single sea crane hook 11; step f, hanging a third hanging bar 8 by a sea crane double hook 12, hanging a balancing weight 9 below a hanging point at one side of the third hanging bar 8, connecting a temporary support hanging beam 2 by a hanging point at the other side, ensuring the balance of the third hanging bar 8 by adjusting the double hook stress of the crane in the process of hanging and connecting the support hanging beam 2, and dismantling the hanging point of the portal crane main hook 10 after adjusting the angle of the support hanging beam 2 in a matching way; and g, the lifting sea crane double hooks 12 move the supporting hanging beam 2 out of the side face of the folding arm crane by utilizing the principle of lever balance and the assistance of a crane hook to finish the dismantling operation.
Claims (3)
1. A method for dismounting a tool for temporarily supporting a hanging beam of a crane is characterized by comprising the following steps:
a. hanging a hanging bar by using a main hook of the door seat hanger, and detaching a connecting pin shaft of the support hanging beam and the top area of the folding arm hanging tower body after connecting a hanging point at one side of the temporary support hanging beam;
b. adjusting the angles of the main and auxiliary arm rods of the folding arm crane, respectively adjusting the angles of the main arm rod and the auxiliary arm rod, placing the main and auxiliary arm rods on a rest seat after adjusting to a proper angle, and driving a main hook of the door seat crane to drive a supporting hanging beam to move along with the main and auxiliary arm rods;
c. placing the temporary storage support on a folding arm hanging arm rod by using a sea crane to be fixed;
d. after the hanging bar is hung by using the sea-hanging single hook, connecting a hanging point at the other side of the temporary supporting hanging beam, and detaching a connecting pin shaft in the region of the supporting hanging beam and the main arm rod;
e. the door seat crane and the sea crane are matched to hoist one side of the supporting hanging beam to the temporary storage bracket on the arm rod for fixing, and then the single-hook hanging point of the sea crane is removed;
f. a hanging bar is hung on a double hook of the sea crane, a balancing weight is hung below a hanging point on one side of the hanging bar, a hanging point on the other side is connected with a temporary support hanging beam, the balance of the hanging bar is adjusted in the process of hanging and connecting the support hanging beam, and the hanging point is removed after a main hook of the gantry crane is matched with and adjusts the angle of the support hanging beam;
g. and the lifting sea crane double hooks move the supporting hanging beam out of the side face of the crane by utilizing a lever balance principle to finish the dismantling operation.
2. The method for dismounting the tool for temporarily supporting the hanging beam of the crane according to claim 1, which is characterized in that: in the step b, when the main arm rod forms an angle of 45 degrees, the auxiliary arm rod is adjusted to an angle of 110 degrees from an angle of 20 degrees, the main arm rod and the auxiliary arm rod are placed on the rest seat, and the main hook of the door seat crane drives the supporting hanging beam to move along with the main arm rod and the auxiliary arm rod.
3. The method for dismounting the tool for temporarily supporting the hanging beam of the crane according to claim 1, which is characterized in that: and f, in the process of hoisting and connecting the support hoisting beams, the balance of the hoisting bar is ensured by adjusting the stress of double hooks of the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232393.8A CN112919305A (en) | 2019-12-05 | 2019-12-05 | Method for dismounting temporary support hanging beam tool of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232393.8A CN112919305A (en) | 2019-12-05 | 2019-12-05 | Method for dismounting temporary support hanging beam tool of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112919305A true CN112919305A (en) | 2021-06-08 |
Family
ID=76160894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911232393.8A Pending CN112919305A (en) | 2019-12-05 | 2019-12-05 | Method for dismounting temporary support hanging beam tool of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112919305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955887A (en) * | 2022-06-17 | 2022-08-30 | 沪东中华造船(集团)有限公司 | Method for installing portal crane on ship |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04277196A (en) * | 1991-03-01 | 1992-10-02 | Takenaka Komuten Co Ltd | Method of disassembling crane jib |
| CN102092643A (en) * | 2011-03-09 | 2011-06-15 | 修昌珉 | Small crane |
| CN108275572A (en) * | 2017-12-22 | 2018-07-13 | 山海关船舶重工有限责任公司 | A kind of hanging method of tube drawbench in self-elevating drilling platform land formation |
| CN109678053A (en) * | 2018-12-05 | 2019-04-26 | 大连中远海运重工有限公司 | Crane temporary support lifting beam tool method for dismounting |
-
2019
- 2019-12-05 CN CN201911232393.8A patent/CN112919305A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04277196A (en) * | 1991-03-01 | 1992-10-02 | Takenaka Komuten Co Ltd | Method of disassembling crane jib |
| CN102092643A (en) * | 2011-03-09 | 2011-06-15 | 修昌珉 | Small crane |
| CN108275572A (en) * | 2017-12-22 | 2018-07-13 | 山海关船舶重工有限责任公司 | A kind of hanging method of tube drawbench in self-elevating drilling platform land formation |
| CN109678053A (en) * | 2018-12-05 | 2019-04-26 | 大连中远海运重工有限公司 | Crane temporary support lifting beam tool method for dismounting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955887A (en) * | 2022-06-17 | 2022-08-30 | 沪东中华造船(集团)有限公司 | Method for installing portal crane on ship |
| CN114955887B (en) * | 2022-06-17 | 2024-06-11 | 沪东中华造船(集团)有限公司 | Method for installing portal crane on ship |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210608 |