CN113830252A - Nondestructive removal process of docking block under stress state - Google Patents
Nondestructive removal process of docking block under stress state Download PDFInfo
- Publication number
- CN113830252A CN113830252A CN202111063597.0A CN202111063597A CN113830252A CN 113830252 A CN113830252 A CN 113830252A CN 202111063597 A CN202111063597 A CN 202111063597A CN 113830252 A CN113830252 A CN 113830252A
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- docking block
- block
- skid
- dismantling
- docking
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- 238000003032 molecular docking Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000010276 construction Methods 0.000 claims description 2
- 239000003973 paint Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C5/00—Equipment usable both on slipways and in dry docks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to the technical field of dock block dismantling processes, and discloses a nondestructive dock block dismantling process in a stressed state, which comprises the following steps: s1, assembling the steel plate, the jack, the support frame and the power station into a dock block dismantling tool main body; s2, placing the main body of the docking block dismantling tool to one thinner end of a middle wedge-shaped skid of the docking block, enabling a steel plate of the docking block dismantling tool to be tightly attached to a lower-layer horizontal skid, the middle wedge-shaped skid and a top-layer wedge-shaped skid of the docking block, and enabling a jack to be aligned to the middle wedge-shaped skid of the docking block; s3, fixing a lower-layer horizontal skid and a top-layer wedge-shaped skid of the docking block on a steel plate with the tool removed; and S4, starting the power station, slowly pushing the middle wedge-shaped skid of the docking block by a jack, and ejecting the middle wedge-shaped skid out to realize the lossless dismantling of the docking block under the stress state. The method and the device finish the dismantling of the docking block on the premise of ensuring that the docking block is not damaged, realize the nondestructive dismantling of the docking block under a stressed state, improve the dismantling efficiency of the docking block, and reduce the dismantling cost of the docking block and the cost of purchasing a new skid.
Description
Technical Field
The invention relates to the technical field of dock block dismantling processes, in particular to a nondestructive dock block dismantling process under a stress state.
Background
Most of all ships at home and abroad are folded in docks, and proper docking blocks are usually arranged at the bottoms of the ships according to the weight distribution condition of the ships, so that the weight of the whole ship is supported by the docking blocks. In the process of closing the ship body, the situation that paint at the bottom of the ship body is damaged due to the fact that part of dock blocks are supported often occurs. In order to ensure the anticorrosion effect and the service cycle of the whole ship body, the damaged position of the paint at the bottom of the ship body needs to be repaired according to requirements.
At present, in order to ensure that a ship body cannot deform after a docking block at a paint damage position is removed, a plurality of reinforcing supports are arranged around the docking block at the paint damage position at the bottom of the ship body in advance, and then the docking block at the paint damage position is removed and local paint repair is carried out on the bottom of the ship body according to requirements. The dock block consists of a concrete block at the bottom and three layers of paddings at the upper part, the existing dismantling mode is to manually cut the paddings at the upper part of the dock block by using tools such as an electric saw and the like, and then destructively dismantle the paddings at the upper half part of the dock block in a manual striking mode, so that the dismantling efficiency is low, the project period is influenced, the destroyed paddings cannot be reused, and need to be purchased again, and the project cost is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a nondestructive removal process of a docking block under a stress state, which mainly aims at overcoming the defects existing in the prior art, and the nondestructive removal process of the docking block under the stress state can realize the nondestructive removal of the docking block under the stress state through a simple tool, so that the manual labor for removing the docking block is saved, and the docking block removal efficiency is improved; and the integrity of the dismantled docking block is ensured, so that the docking block can be repeatedly used in later projects, and the cost for purchasing new paddings is reduced.
In order to achieve the purpose of the nondestructive removal process of the docking block under the stress state, the invention provides the following technical scheme: a nondestructive removal process of a docking block under a stress state comprises the following steps:
the first step is as follows: assembling a steel plate, a jack, a support frame and a power station into a dock block dismantling tool main body;
the second step is that: placing a main body of the docking block dismantling tool at the thinner end of a middle wedge-shaped block of a docking block, enabling a steel plate of the docking block dismantling tool to be tightly attached to a lower-layer horizontal block of the docking block, the middle wedge-shaped block of the docking block and a top wedge-shaped block of the docking block, and aligning a jack with the middle wedge-shaped block of the docking block;
the third step: fixing a lower-layer horizontal skid of the docking block and a top wedge-shaped skid of the docking block to a steel plate of a demolished tool by using 2 round steel and 1 block respectively;
the fourth step: and starting the power station, and slowly pushing the middle wedge-shaped skid of the docking block by a jack to eject the middle wedge-shaped skid out, so that the docking block is dismounted without damage under a stressed state.
Preferably, the dock block dismantling tool is a simple device consisting of round steel, a stop block, a steel plate, a jack, a support frame and a power station.
Preferably, the docking block is a ship body construction supporting structure composed of bottom concrete of the docking block, a lower horizontal skid of the docking block, a middle wedge-shaped skid of the docking block and a top wedge-shaped skid of the docking block.
Preferably, the support frame is of a frame structure formed by connecting I-shaped steel and steel plates.
Preferably, the stopper is a cuboid structure cut from a steel plate.
Preferably, the jack is a jacking device.
Preferably, the power station is a device for powering a jack.
Compared with the prior art, the invention provides a nondestructive removal process of a docking block under a stressed state, which has the following beneficial effects:
according to the nondestructive removal process of the docking block under the stress state, by adopting the technical scheme, the nondestructive removal of the docking block under the stress state can be realized through a simple tool, so that not only is the manual labor for removing the docking block saved, but also the efficiency for removing the docking block is improved; and the integrity of the dismantled docking block is ensured, so that the docking block can be repeatedly used in later projects, and the cost for purchasing new paddings is reduced.
Drawings
FIG. 1 is a schematic structural form diagram of a docking block dismantling tool according to the invention;
FIG. 2 is a schematic diagram illustrating the assembly of a dock block removal tool body according to the present invention;
FIG. 3 is a schematic diagram of a dock block removal tool body installed in place according to the invention;
FIG. 4 is a schematic view of the lower horizontal skid and the top wedge skid of the docking block according to the present invention;
FIG. 5 is a schematic diagram of a middle wedge skid removal of a docking block according to the present invention;
fig. 6 is a schematic view of the overall structural form of the docking block dismantling tool.
In the figure: 1. bottom concrete of the docking block; 2. a lower horizontal block of the docking block; 3. a wedge-shaped padblock in the middle of the docking block; 4. a wedge-shaped padder is arranged at the top of the docking block; 5. round steel; 6. a steel plate; 7. a stopper; 8. a jack; 9. a support frame; 10. and (4) a power station.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Referring to fig. 1, firstly, round steel 5, a steel plate 6, a stop 7, a jack 8, a support frame 9 and a power station 10 required by a dock block dismantling tool are transported to the vicinity of a dock block to be dismantled, and the specific nondestructive dismantling steps are as follows:
the first step is as follows: as shown in fig. 2, a steel plate 6, a jack 8, a support frame 9 and a power station 10 are assembled into a dock block dismantling tool main body;
the second step is that: as shown in fig. 3, a docking block removal tool body is placed at the thinner end of a middle wedge-shaped skid 3 of a docking block, a steel plate 6 of the docking block removal tool is made to be tightly attached to a lower horizontal skid 2, the middle wedge-shaped skid 3 and a top wedge-shaped skid 4 of the docking block, and a jack 8 is aligned to the middle wedge-shaped skid 3 of the docking block;
the third step: as shown in fig. 4, a lower horizontal skid 2 and a top wedge skid 4 of a docking block are fixed on a steel plate 6 of a demolished tool by using 2 round steel 5 and 1 block 7 respectively;
the fourth step: as shown in fig. 5, starting the power station 10, slowly pushing the middle wedge-shaped skid 3 of the docking block by using the jack 8, and ejecting the middle wedge-shaped skid 3, thereby realizing the nondestructive dismantling of the docking block under a stressed state;
the dock block dismantling tool comprises: the simple device consists of round steel 5, a stop dog 7, a steel plate 6, a jack 8, a supporting frame 9 and a power station 10.
The docking block comprises: the support structure is built by a ship body, wherein the ship body is composed of bottom concrete 1 of a docking block, a lower-layer horizontal skid 2 of the docking block, a middle wedge-shaped skid 3 of the docking block and a top wedge-shaped skid 4 of the docking block.
The support frame 9 is: the frame structure is formed by connecting I-shaped steel and steel plates.
The stopper 7 is: a cuboid structure cut from a steel plate.
The jack 8 is as follows: is a pushing device.
The power station 10 described above is: means for powering the jacks 8.
The docking block, the supporting frame 9, the stop block 7, the power station 10 and the jack 8 are the prior art, and the unexplained technology is the prior art.
According to the technical scheme, the nondestructive removal process of the docking block under the stress state can be realized through a simple tool when the nondestructive removal process of the docking block under the stress state is used, so that the manual labor for removing the docking block is saved, and the efficiency of removing the docking block is improved; and the integrity of the dismantled docking block is ensured, so that the docking block can be repeatedly used in later projects, and the cost for purchasing new paddings is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)
1. A nondestructive dismantling process of a docking block under a stress state is characterized by comprising the following steps: the nondestructive removal method of the docking block under the stress state comprises the following steps:
the first step is as follows: assembling a steel plate (6), a jack (8), a support frame (9) and a power station (10) into a dock block dismantling tool main body;
the second step is that: placing a main body of the docking block dismantling tool to the thinner end of a middle wedge-shaped skid (3) of a docking block, enabling a steel plate (6) of the docking block dismantling tool to be tightly attached to a lower horizontal skid (2) of the docking block, the middle wedge-shaped skid (3) of the docking block and a top wedge-shaped skid (4) of the docking block, and aligning a jack (8) to the middle wedge-shaped skid (3) of the docking block;
the third step: fixing a lower-layer horizontal skid (2) of the docking block and a top wedge-shaped skid (4) of the docking block to a steel plate (6) of a dismantling tool by using 2 round steel (5) and 1 stop block (7) respectively;
the fourth step: starting a power station (10), slowly pushing the middle wedge-shaped skid (3) of the docking block by a jack (8) to eject the middle wedge-shaped skid, thereby realizing the nondestructive dismantling of the docking block under a stressed state.
2. The process of claim 1, wherein the process comprises the following steps: the docking block dismantling tool is a simple device consisting of round steel (5), a stop block (7), a steel plate (6), a jack (8), a supporting frame (9) and a power station (10).
3. The process of claim 1, wherein the process comprises the following steps: the docking block is a ship body construction supporting structure consisting of bottom concrete (1) of the docking block, a lower-layer horizontal skid (2) of the docking block, a middle wedge-shaped skid (3) of the docking block and a top wedge-shaped skid (4) of the docking block.
4. The process of claim 1, wherein the process comprises the following steps: the supporting frame (9) is of a frame structure formed by connecting I-shaped steel and steel plates.
5. The process of claim 1, wherein the process comprises the following steps: the stop block (7) is of a cuboid structure formed by cutting a steel plate.
6. The process of claim 1, wherein the process comprises the following steps: the jack (8) is pushing equipment.
7. The process of claim 1, wherein the process comprises the following steps: the power station (10) is a device for providing power for the jack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063597.0A CN113830252A (en) | 2021-09-10 | 2021-09-10 | Nondestructive removal process of docking block under stress state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063597.0A CN113830252A (en) | 2021-09-10 | 2021-09-10 | Nondestructive removal process of docking block under stress state |
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| Publication Number | Publication Date |
|---|---|
| CN113830252A true CN113830252A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111063597.0A Pending CN113830252A (en) | 2021-09-10 | 2021-09-10 | Nondestructive removal process of docking block under stress state |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008240509A (en) * | 2007-02-28 | 2008-10-09 | Mitsubishi Heavy Ind Ltd | Method, equipment and system for lowering delivery erection beam |
| CN202054137U (en) * | 2011-04-08 | 2011-11-30 | 上海江南长兴造船有限责任公司 | Dismantling device of steel dock block during ship construction |
| KR20170054815A (en) * | 2015-11-10 | 2017-05-18 | 삼성중공업 주식회사 | Roll jacking apparatus and arranging method of hull block using the same |
| CN207417091U (en) * | 2017-11-10 | 2018-05-29 | 中船黄埔文冲船舶有限公司 | A kind of docking block |
| CN112550601A (en) * | 2020-12-01 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method and device for compressing wedge-shaped paddings on docking blocks |
| CN113120188A (en) * | 2021-05-20 | 2021-07-16 | 中船黄埔文冲船舶有限公司 | Refuting method of launching member |
-
2021
- 2021-09-10 CN CN202111063597.0A patent/CN113830252A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008240509A (en) * | 2007-02-28 | 2008-10-09 | Mitsubishi Heavy Ind Ltd | Method, equipment and system for lowering delivery erection beam |
| CN202054137U (en) * | 2011-04-08 | 2011-11-30 | 上海江南长兴造船有限责任公司 | Dismantling device of steel dock block during ship construction |
| KR20170054815A (en) * | 2015-11-10 | 2017-05-18 | 삼성중공업 주식회사 | Roll jacking apparatus and arranging method of hull block using the same |
| CN207417091U (en) * | 2017-11-10 | 2018-05-29 | 中船黄埔文冲船舶有限公司 | A kind of docking block |
| CN112550601A (en) * | 2020-12-01 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method and device for compressing wedge-shaped paddings on docking blocks |
| CN113120188A (en) * | 2021-05-20 | 2021-07-16 | 中船黄埔文冲船舶有限公司 | Refuting method of launching member |
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