CN107719583B - Equipment base and manhole cover combined device convenient to disassemble and examine - Google Patents
Equipment base and manhole cover combined device convenient to disassemble and examine Download PDFInfo
- Publication number
- CN107719583B CN107719583B CN201711080328.9A CN201711080328A CN107719583B CN 107719583 B CN107719583 B CN 107719583B CN 201711080328 A CN201711080328 A CN 201711080328A CN 107719583 B CN107719583 B CN 107719583B
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- Prior art keywords
- manhole cover
- equipment
- cover plate
- manhole
- base
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 43
- 238000012423 maintenance Methods 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B19/00—Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers
- B63B19/12—Hatches; Hatchways
- B63B19/14—Hatch covers
Abstract
The invention discloses a device base and manhole cover combined device convenient to disassemble and examine, which comprises a manhole cover plate, a manhole seat plate, lifting eyes and a base, wherein the top of the base is symmetrically welded at the bottom of the manhole cover plate, a plurality of bolt holes are formed in the bottom of the base, a plurality of first bolts penetrate through the bolt holes and are detachably connected with devices, the devices are arranged in watertight compartments, the lifting eyes are symmetrically arranged on the upper surface of the manhole cover plate, the manhole cover plate is detachably connected with the manhole seat plate through a connecting mechanism, a lifting opening is further formed in a deck at the top of a ballast tank, and a hatch cover is arranged on the lifting opening. The invention solves the problems that the equipment is installed in a narrow space, personnel cannot enter the equipment to overhaul and the hoisting is difficult, reduces the influence of uncertain factors such as long transmission distance, improves the overhaul efficiency of the equipment, the operation convenience of hoisting operation and the safety of the personnel, saves a great deal of manpower, realizes the stable and efficient work and the connection strength requirement of the equipment, and prolongs the service life.
Description
Technical Field
The invention relates to the technical field of hoisting and overhauling equipment, in particular to a combined device of an equipment base and a manhole cover, which is convenient to disassemble and examine.
Background
At present, in order to meet the demands of markets and owners, the ship design is different from that of conventional ships, part of ocean platforms have crane coverage dead angles due to large deck areas, and part of cabins are arranged to meet the functional demands and can be designed into cabins. These positions are all the blind areas of equipment hoist and mount, and even hanging beam has all been adorned, and installation and later maintenance are all comparatively difficult, and in case the equipment breaks down, need take out when maintenance, just can only adopt traditional pull block's mode. However, the stress load of the mode is limited, equipment which is too large cannot be moved to a designated position, personnel cannot enter a narrow space to carry out fastening and disassembly maintenance, and the mode is too large in manpower consumption and has a certain danger.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, thereby providing the equipment base and manhole cover combined device which can rapidly hoist and overhaul equipment, has good universality and high safety, saves a large amount of manpower and is convenient to disassemble and examine.
The technical problems of the invention are mainly solved by the following technical proposal:
the invention provides a device base and manhole cover combined device convenient for disassembly and inspection, which is used for rapidly lifting out of a cabin for disassembly and inspection operation, and comprises a manhole cover plate, a manhole seat plate, lifting eyes and a base, wherein the top of the base is symmetrically welded at the bottom of the manhole cover plate, a plurality of bolt holes are formed in the bottom of the base, a plurality of first bolts penetrate through the bolt holes and are detachably connected with the device, the device is arranged in a watertight compartment, the lifting eyes are symmetrically arranged on the upper surface of the manhole cover plate, the manhole cover plate is detachably connected with the manhole seat plate through a connecting mechanism, the manhole seat plate is arranged at an opening at the top of the watertight compartment, the watertight compartment is arranged at the bottom of a ballast compartment, a lifting opening is further formed in a deck at the top of the ballast compartment, and a hatch cover is arranged on the lifting opening and is detachably connected with the deck through a plurality of second bolts.
Further, the base comprises a first bending beam, a second bending beam, a horizontal stiffening beam and an inclined strut beam which are integrally formed, the tops of the first bending beam and the second bending beam are symmetrically welded with the bottom of the manhole cover plate through the horizontal stiffening beam respectively, the bottoms of the first bending beam and the second bending beam are detachably connected with the equipment through first bolts respectively, and the inclined strut beam is obliquely welded between the first bending beam and the horizontal stiffening beam and between the second bending beam and the horizontal stiffening beam respectively.
Further, the coupling mechanism includes a plurality of trepanning, a plurality of connection thread bush, connection packing ring and a plurality of connecting bolt, and a plurality of trepanning equidistantly is seted up around the manhole cover, a plurality of connection thread bush equidistant inlay establish around the manhole bedplate, just the position of connection thread bush with the corresponding cooperation in position of trepanning, connection packing ring overlaps respectively and establishes a plurality of connection thread bush, just connection packing ring is located between manhole cover and the manhole bedplate, a plurality of connecting bolt passes correspondingly in proper order the connection thread bush will the manhole cover with the manhole bedplate locks mutually.
Further, the opening size of the hanging port is larger than the plane size of the manhole cover plate, the bearing safety load of the manhole cover plate is larger than the sum of the weight of the base and the weight of the equipment, and the thickness of the manhole cover plate is larger than that of a common cover plate, and the manhole cover plate is oblong or square.
Further, the load-bearing safety load of the lifting eye ring is larger than the sum of the weights of the manhole cover plate, the base and the equipment, and the size of the lifting eye ring is matched with the size of the lifting shackle of the sling.
Further, the first bending beam and the second bending beam have the same structure, wherein the bending angle of the first bending beam is 90-135 degrees.
The invention has the beneficial effects that: by combining the equipment, the base, the manhole cover plate and the lifting eye ring into a whole, the problem that the equipment is installed in a watertight compartment in a narrow space and personnel cannot enter the cabin for maintenance and lifting is solved, the influence of uncertain factors such as long transmission distance is reduced, the maintenance efficiency of the equipment, the operation convenience of lifting operation and the safety of the personnel are improved, and a large amount of manpower is saved; the manhole seat plate, the connecting mechanism, the manhole cover plate and the base realize the stable and efficient work and the connection strength requirement of the equipment, and prolong the service life of the equipment. Meanwhile, the invention has compact integral structure, small duty ratio, crane resource saving and good universality.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front elevational view of a convenient disassembled equipment base and manhole cover combination of the present invention;
FIG. 2 is a top plan view of a convenient disassembled equipment base and manhole cover combination of the present invention;
FIG. 3 is a schematic diagram of the normal operation structure of the equipment installed with the equipment base and manhole cover combination device of the invention, which is convenient for disassembly and inspection;
fig. 4 is a schematic structural view of the device base and manhole cover combined device for easy disassembly and inspection of the present invention when the maintenance device is lifted.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 to 4, the device base and manhole cover combination device for facilitating disassembly and inspection according to the present invention is used for rapidly lifting equipment installed in a narrow space out of a cabin for disassembly and inspection operations, and includes: manhole cover plate 1, manhole bedplate 2, lift by crane eye ring 3 and base 4, the welding of base 4 top symmetry is in manhole cover plate 1 bottom, and a plurality of bolt holes 5 have been seted up to base 4 bottom, a plurality of first bolts 6 pass bolt hole 5 and equipment 7 and dismantle the connection, equipment 7 sets up inside watertight compartment 9, lift by crane eye ring 3 symmetry sets up the upper surface at manhole cover plate 1, manhole cover plate 1 passes through coupling mechanism 8 and manhole bedplate 2 and can dismantle the connection, manhole bedplate 2 sets up in watertight compartment 9 open-ended department, watertight compartment 9 sets up the bottom in ballast tank 10, still be provided with a hanging mouth 12 on deck 11 at ballast tank 10 top, be provided with hatch cover 13 on hanging mouth 12, hatch cover 13 and deck 11 pass through a plurality of second bolts 14 and can dismantle the connection.
In this embodiment, the combined device is used in a ballast tank and a submersible pump tank, and of course, the invention is not limited to this, and the combined device can be suitable for equipment which is placed in a narrow space, in a tank or in a lifting blind area, is inconvenient for personnel to overhaul, and can be used for lifting and overhauling the equipment rapidly. In the middle cabin, the outer big cabin is a ballast cabin 10, and in the coverage area of the crane, the watertight compartment 9 at the bottom of the cabin cannot be accessed into the watertight compartment 9 for hoisting and fastening operation due to the narrow space. When equipment 7 breaks down and needs to be lifted out of the cabin for repair, a worker firstly removes a hatch cover 13 at the top of a large-cabin ballast tank 10, a sling of a crane on a deck 11 goes deep into the ballast tank 10, meanwhile, the worker directly carries out fastening operation on a lifting eye ring 3 on a manhole cover plate 1 in the large-cabin ballast tank 10 through a lifting shackle 15 of the crane, a connecting mechanism 8 between the manhole cover plate 1 and a manhole seat plate 2 is sequentially opened, and then the crane is started to integrally lift the manhole cover plate 1, a base 4 and the equipment 7 out of the cabin for maintenance; and after repair, the steel is installed according to the original path.
According to the invention, the equipment 7, the base 4, the manhole cover plate 1 and the lifting eye ring 3 are combined into a whole, so that the problem that the equipment 7 is installed in the watertight compartment 9 in a narrow space and personnel cannot enter the watertight compartment for maintenance and lifting difficulty is solved, the influence of uncertain factors such as long transmission distance and the like is reduced, the maintenance efficiency of the equipment 7, the operation convenience of lifting operation and the safety of the personnel are improved, and a large amount of manpower is saved; the manhole seat plate 2, the connecting mechanism 8, the manhole cover plate 1 and the base 4 realize the stable and efficient work and the connection strength requirement of the equipment 7, and prolong the service life of the equipment 7. Meanwhile, the invention has compact integral structure, small duty ratio, crane resource saving and good universality.
Specifically, the base 4 includes an integrally formed first bending beam 41, an integrally formed second bending beam 42, a horizontal reinforcement beam 43, and a diagonal brace beam 44, the top portions of the first bending beam 41 and the second bending beam 42 are symmetrically welded to the bottom of the manhole cover plate 1 through the horizontal reinforcement beam 43, respectively, the bottom portions of the first bending beam 41 and the second bending beam 42 are detachably connected to the apparatus 7 through the first bolts 6, respectively, and the diagonal brace beam 44 is obliquely welded between the first bending beam 41 and the horizontal reinforcement beam 43, and between the second bending beam 42 and the horizontal reinforcement beam 43, respectively. The first bending beam 41 and the second bending beam 42 which are integrally formed are respectively welded with the bottom of the manhole cover plate 1 through the horizontal reinforcing beams 43, so that the welding contact area is increased, and meanwhile, the connection strength between the base 4 and the manhole cover plate 1 is further enhanced through the diagonal bracing beams 44, so that the stability and strength requirements of the equipment 7 in the whole process of working and lifting out of a cabin for maintenance are ensured, and the danger of lifting operation is reduced.
Specifically, the connection mechanism 8 includes a plurality of sleeve holes 81, a plurality of connection threaded sleeves 82, a connection washer 83 and a plurality of connection bolts 84, the plurality of sleeve holes 81 are equidistantly arranged around the manhole cover plate 1, the plurality of connection threaded sleeves 82 are equidistantly embedded around the manhole seat plate 2, the positions of the connection threaded sleeves 82 are correspondingly matched with the positions of the sleeve holes 81, the connection washers 83 are respectively sleeved on the plurality of connection threaded sleeves 82, the connection washers 83 are located between the manhole cover plate 1 and the manhole seat plate 2, and the plurality of connection bolts 84 sequentially and correspondingly penetrate through the connection threaded sleeves 82 to lock the manhole cover plate 1 and the manhole seat plate 2. The rotation abrasion of the connecting bolts 84 to the manhole cover plate 1 and the manhole seat plate 2 in the frequent disassembly process of the manhole cover plate 1 can be reduced through the plurality of connecting threaded sleeves 82, the service life of the manhole cover plate is prolonged, and meanwhile, the connecting threaded sleeves 82 are convenient to replace and low in cost; the connecting washer 83 is placed between the manhole cover plate 1 and the manhole seat plate 2, so that the stability of connection between the manhole cover plate 1 and the manhole seat plate 2 can be further ensured, the horizontal arrangement of the manhole cover plate 1 is ensured by increasing or decreasing the connecting washer 83, the equipment 7 connected to the base 4 is always in a horizontal state, the work is more stable and efficient, and the maintenance rate of the equipment 7 is reduced.
In the invention, preferably, the opening size of the lifting opening 12 is larger than the plane size of the manhole cover plate 1, so that the crane on the deck 11 is beneficial to lifting the manhole cover plate 1, the base 4 and the equipment 7 out of the ballast tank 10 for disassembly maintenance; the load-bearing safety load of the manhole cover plate 1 is larger than the sum of the weights of the base 4 and the equipment 7, the thickness of the manhole cover plate 1 is larger than that of a common cover plate, and the manhole cover plate is oblong or square; naturally, the manhole cover plate 1 can be rectangular, square or other shapes; the thickness and the bearing capacity of the manhole cover plate 1 can be changed according to the weight of the equipment, and if the weight of the equipment 7 is large, the material of the manhole cover plate 1, such as alloy steel material, needs to be considered, so that the safety of the hoisting operation is ensured.
Preferably, the bearing safety load of the lifting eye ring 3 is larger than the sum of the weights of the manhole cover plate 1, the base 4 and the equipment 7, so that the lifting maintenance operation is safer and more reliable; the size of the lifting eye ring 3 is matched with the size of the lifting shackle 15 of the lifting rigging, so that the lifting shackle 15 can be connected normally for lifting operation.
Preferably, the structure of the first bending beam 41 is the same as that of the second bending beam 42, wherein the bending angle of the first bending beam 41 is 90-135 degrees. The first bending beam 41 and the second bending beam 42 are arranged at a certain angle, which is beneficial to the installation of the equipment 7 and the improvement of the connection strength of the whole device; in the present embodiment, the first bending beam 41 and the second bending beam 42 adopt a bending angle of 90 degrees.
The above is merely a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (3)
1. The utility model provides a convenient equipment base of dismantling and manhole cover composite set, the device is used for hanging out the equipment of installing in narrow and small space outside the cabin fast and dismantles maintenance operation, its characterized in that, including manhole cover (1), manhole bedplate (2), lift by crane eye ring (3) and base (4), base (4) top symmetry welds in manhole cover (1) bottom, just a plurality of bolt holes (5) have been seted up to base (4) bottom, a plurality of first bolts (6) pass bolt holes (5) and equipment (7) can dismantle the connection, equipment (7) set up in watertight compartment (9) inside, lift by crane eye ring (3) symmetry set up the upper surface of manhole cover (1), manhole cover (1) can dismantle with manhole bedplate (2) through coupling mechanism (8), manhole cover (2) set up watertight compartment (9) top opening part, watertight compartment (9) set up in ballast (10) bottom, install ballast (11) on deck (10) can dismantle with deck (12) through deck (12) the hatch (13);
the base (4) comprises a first integrally formed bending beam (41), a second integrally formed bending beam (42), a horizontal reinforcing beam (43) and an inclined supporting beam (44), the tops of the first bending beam (41) and the second bending beam (42) are symmetrically welded with the bottom of the manhole cover plate (1) through the horizontal reinforcing beam (43) respectively, the bottoms of the first bending beam (41) and the second bending beam (42) are detachably connected with the equipment (7) through the first bolt (6) respectively, and the inclined supporting beam (44) is obliquely welded between the first bending beam (41) and the horizontal reinforcing beam (43) and between the second bending beam (42) and the horizontal reinforcing beam (43) respectively;
the connecting mechanism (8) comprises a plurality of sleeve holes (81), a plurality of connecting threaded sleeves (82), connecting washers (83) and a plurality of connecting bolts (84), wherein the sleeve holes (81) are formed in the periphery of the manhole cover plate (1) at equal intervals, the connecting threaded sleeves (82) are embedded in the periphery of the manhole seat plate (2) at equal intervals, the positions of the connecting threaded sleeves (82) are correspondingly matched with the positions of the sleeve holes (81), the connecting washers (83) are respectively sleeved on the connecting threaded sleeves (82), the connecting washers (83) are positioned between the manhole cover plate (1) and the manhole seat plate (2), and the connecting bolts (84) sequentially and correspondingly penetrate through the connecting threaded sleeves (82) to lock the manhole cover plate (1) and the manhole seat plate (2);
the first bending beam (41) has the same structure as the second bending beam (42), wherein the bending angle of the first bending beam (41) is 90-135 degrees.
2. The equipment base and manhole cover combination device convenient for disassembly and inspection according to claim 1, wherein the opening size of the hanging port (12) is larger than the plane size of the manhole cover plate (1), the load-bearing safety load of the manhole cover plate (1) is larger than the sum of the weight of the base (4) and the equipment (7), and the thickness of the manhole cover plate (1) is larger than the thickness of a common cover plate, and the manhole cover plate is in an oblong shape or a square shape.
3. The equipment base and manhole cover combination, which is easy to disassemble and inspect, according to claim 2, characterized in that the load-bearing safety load of the lifting eye (3) is greater than the sum of the weights of the manhole cover (1), base (4) and equipment (7), and that the size of the lifting eye (3) matches the size of the lifting shackle (15) of the lifting rigging.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711080328.9A CN107719583B (en) | 2017-11-06 | 2017-11-06 | Equipment base and manhole cover combined device convenient to disassemble and examine |
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CN201711080328.9A CN107719583B (en) | 2017-11-06 | 2017-11-06 | Equipment base and manhole cover combined device convenient to disassemble and examine |
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CN107719583A CN107719583A (en) | 2018-02-23 |
CN107719583B true CN107719583B (en) | 2024-03-29 |
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CN201711080328.9A Active CN107719583B (en) | 2017-11-06 | 2017-11-06 | Equipment base and manhole cover combined device convenient to disassemble and examine |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110203861B (en) * | 2019-06-11 | 2021-08-17 | 滁州市金路数控机械有限公司 | Equipment base and manhole cover combined device convenient to disassemble and inspect |
CN110304204B (en) * | 2019-06-27 | 2022-04-12 | 广船国际有限公司 | Marine equipment hoisting method for eliminating space obstacle and hatch cover assembly |
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JPS604485A (en) * | 1983-06-24 | 1985-01-10 | Mitsui Eng & Shipbuild Co Ltd | Gathering and integrating device for multistage removable type elevating deck |
JPH1129091A (en) * | 1997-07-10 | 1999-02-02 | Nippon Steel Corp | All-weather type cargo handling quay installation and cargo unloading method using this installation |
CN102583149A (en) * | 2012-02-03 | 2012-07-18 | 中国石油化工股份有限公司 | Removing method of lifting cover for hoisting |
KR20120005955U (en) * | 2011-02-16 | 2012-08-24 | 대우조선해양 주식회사 | Structure of manhole cover with watertight hatch |
CN103373442A (en) * | 2013-07-04 | 2013-10-30 | 江门市南洋船舶工程有限公司 | Small hatch cover for object hanging opening of marine engine room |
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CN207417065U (en) * | 2017-11-06 | 2018-05-29 | 中船黄埔文冲船舶有限公司 | A kind of equipment base conveniently opened and inspect and manhole cover combination unit |
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2017
- 2017-11-06 CN CN201711080328.9A patent/CN107719583B/en active Active
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JPS604485A (en) * | 1983-06-24 | 1985-01-10 | Mitsui Eng & Shipbuild Co Ltd | Gathering and integrating device for multistage removable type elevating deck |
JPH1129091A (en) * | 1997-07-10 | 1999-02-02 | Nippon Steel Corp | All-weather type cargo handling quay installation and cargo unloading method using this installation |
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