CN206654164U

CN206654164U - The anti-floating structure of pitch cargo tank

Info

Publication number: CN206654164U
Application number: CN201720259744.4U
Authority: CN
Inventors: 张辉; 刘智强; 李中扬
Original assignee: Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
Current assignee: Shanghai Merchant Ship Design and Research Institute of CSSC No 604 Research Institute
Priority date: 2017-03-17
Filing date: 2017-03-17
Publication date: 2017-11-21
Anticipated expiration: 2027-03-17

Abstract

The utility model provides a kind of pitch cargo tank anti-floating structure, including one first anti-float and one second anti-float, the first anti-float is fixed on the top of a goods tank, the second anti-float is fixed on the top of a hull freight house, when the goods tank is placed in the hull freight house, the second anti-float is located at the surface of the described first anti-float.A kind of anti-floating structure of pitch cargo tank of the present utility model, have large carrying capacity, can mitigate " jump tank " phenomenon to the damaging of independent cargo hold Cargo Oil pipe joint, single anti-floating seat stress is small and construction is convenient the advantages of.

Description

The anti-floating structure of pitch cargo tank

Technical field

It the utility model is related to shipping apparatus field, more particularly to a kind of anti-floating structure of pitch cargo tank.

Background technology

According to the requirement of classification society, independent goods pot type asphalt tanker needs to set anti-floating device, can bear to work as the cargo hold When area intakes to ship summer load water line, Ship Structure can be without prejudice in the case where the anti-floating device transmits power.

When asphalt tanker is built, goods tank typically belongs to different segmentations from cargo hold deck structure, separately builds, carries out again afterwards Close up.Error in section construction often be present, therefore there there are many shipyards to be reflected in be relatively more tired when anti-floating device installation, centering It is difficult.Existing anti-floating distance between seat and the tyrannical beam and face in deck, what it is in different rib positions is constant unification, has deformation in hull beam In the case of, different preventing is floated seat stress and differed greatly.

The anti-floating device of currently existing asphalt tanker generally has the following problems：

(1) what is runed in the world at present is mostly middle-size and small-size asphalt tanker, and its anti-floating device is monomer structure, and bearing capacity is weak. Especially in the big situation of large-scale asphalt tanker tank deck and deck insulating space, height increase causes moment of flexure to increase, and makes anti-floating device It is difficult to meet classification society's intensity requirement.

(2) when asphalt tanker is built, goods tank typically belongs to different segmentations from cargo hold deck structure, separately builds, Zhi Houzai Closed up.Due to being usually present error in section construction, shipyard is difficult to anti-floating device accurately corresponding to cargo hold deck In corresponding reinforcement structure, installation centering is relatively difficult.Structure is only floated if being installed again after closing up, is carried only according to manpower in small space Heavy steel plate, its execution conditions very severe, difficulty are also at a relatively high.

(3) asphalt tanker, probably due to " jump tank " phenomenon occurs in navigation, causes independent cargo hold Cargo Oil pipeline to exist after operation Joint dislocation, seepage, or even directly result in ship stoppage in transit.

The content of the invention

For above-mentioned deficiency of the prior art, the utility model provides a kind of pitch cargo tank anti-floating structure, has and holds Loading capability is big, can mitigate " jump tank " phenomenon to the damaging of independent cargo hold Cargo Oil pipe joint, single anti-floating seat stress is small and applies The advantages of work is convenient.

To achieve these goals, the utility model provides a kind of pitch cargo tank anti-floating structure, including one first anti-floating Part and one second anti-float, the first anti-float are fixed on the top of a goods tank, and the second anti-float is fixed on a hull The top of freight house, when the goods tank is placed in the hull freight house, the second anti-float is located at the described first anti-float Surface.

Preferably, including one first, only floating end and one first bearing, the second anti-float include the described first anti-float One second only floating end and one second bearing, described first only floating end the goods tank is fixed on by first bearing, described the Two only float the top for the hull freight house being fixed on by second bearing in end, and described first stops floating end only floats with described second End is parallel to each other.

Preferably, first bearing includes one first transverse plate and a plurality of first longitudinal direction plates, each first longitudinal direction Plate is parallel to each other, and the first end of the first longitudinal direction plate is perpendicularly fixed at the described first only floating end, and the of the first longitudinal direction plate The top of the goods tank is fixed at two ends；Each first longitudinal direction plate of the first transverse plate vertical connection simultaneously stops with described first Floating end and the top of the goods tank are fixed.

Preferably, the width of a first longitudinal direction plate plane vertical with first transverse plate is only floating from described first The direction to the top of the goods tank is held gradually to increase.

Preferably, second bearing includes one second transverse plate and a plurality of second longitudinal direction plates, each second longitudinal direction Plate is parallel to each other, and the first end of the second longitudinal direction plate is perpendicularly fixed at the described second only floating end, and the of the second longitudinal direction plate The top of the hull freight house is fixed at two ends；Each second longitudinal direction plate of the second transverse plate vertical connection and with described Two only floating end and the top of the hull freight house are fixed.

Preferably, between the side of the described first anti-float and the top of the goods tank and the second anti-float side Reinforcer is respectively fixed between the top of the hull freight house.

Preferably, surface of the reinforcer away from the described first anti-float or the second anti-float is in recessed arc Shape.

The utility model makes it have following beneficial effect as a result of above technical scheme：

The anti-floating structure of pitch cargo tank reduces pitch using the hierarchy up and down of the first anti-float and the second anti-float The span of the anti-floating structure of cargo tank, reduces the moment of flexure that the first anti-float and the second anti-float are born, makes intensity be easier to meet. Meanwhile the anti-floating structure of pitch cargo tank is divided into two, monolithic panel weight is substantially reduced so that worker's execution conditions are changed It is kind.Reinforcer using recessed curved surfaces, improve the continuity of structure, and can effectively reduce region of high stress generation.

Brief description of the drawings

Fig. 1 is the structural representation of the anti-floating structure of the pitch cargo tank of the utility model embodiment；

Fig. 2 is Fig. 1 Section A-A figure；

Fig. 3 is Fig. 1 section B-B figure.

Embodiment

Below according to 1~Fig. 3 of accompanying drawing, preferred embodiment of the present utility model is provided, and is described in detail, is enabled more preferable Ground understanding function of the present utility model, feature.

Fig. 1~Fig. 3 is referred to, a kind of pitch cargo tank of the utility model embodiment is anti-to float structure, including one first prevents 1 and 1 second anti-float 2 of float, the first anti-float 1 are fixed on the top of a goods tank 3, and the second anti-float 2 is fixed on a hull goods The top in storehouse 4, when goods tank 3 is placed in hull freight house 4, the second anti-float 2 is located at the surface of the first anti-float 1.

The anti-floating structure of pitch cargo tank uses the hierarchy up and down of the first anti-1 and second anti-float 2 of float, reduces drip The span of the anti-floating structure of blue or green cargo tank, reduces the moment of flexure that the first anti-1 and second anti-float 2 of float is born, is easier intensity Meet.Meanwhile the anti-floating structure of pitch cargo tank is divided into two, monolithic panel weight substantially reduces so that worker's execution conditions obtain To improve.

Spacing between first anti-1 and second anti-float 2 of float, can be according to reality in the different rib positions of corresponding hull freight house 4 Border needs to change.Can be by FEM calculation, it is determined that rational spacing.Both prevented asphalt tanker from occurring acutely when zero load is navigated by water Independent cargo hold " jump tank " phenomenon, mitigates the infringement to independent cargo hold Cargo Oil pipe joint；Again can be when goods tank 3 float, Ke Yiyou The first more anti-1 and second anti-float 2 of float simultaneously participates in as far as possible, reduces the single first anti-1 and second anti-float 2 of float Stress.

First anti-float 1 includes one first, and only the floating bearing 12 of end 11 and one first, the second anti-float 2 are only floating including one second The bearing 22 of end 21 and one second, first only floats end 11 is fixed on goods tank 3 by the first bearing 12, and second, which stops floating end 21, passes through second Bearing 22 is fixed on the top of hull freight house 4, and first only floats end 11 and second, and only floating end 21 is parallel to each other.

First bearing 12 includes one first transverse plate 121 and a plurality of first longitudinal direction plates 122, each phase of first longitudinal direction plate 122 Mutually parallel, the first end of first longitudinal direction plate 122 is perpendicularly fixed at first and only floats end 11, and the second end of first longitudinal direction plate 122 is fixed In the top of goods tank 3；Each first longitudinal direction plate 122 of the vertical connection of first transverse plate 121 simultaneously only floats end 11 and the top of goods tank 3 with first Portion is fixed.

The width of the plane vertical with the first transverse plate 121 of first longitudinal direction plate 122 only floats end 11 to goods tank 3 from first The direction at top gradually increases.

Second bearing 22 includes one second transverse plate 221 and a plurality of second longitudinal direction plates 222, each phase of second longitudinal direction plate 222 Mutually parallel, the first end of second longitudinal direction plate 222 is perpendicularly fixed at second and only floats end 21, and the second end of second longitudinal direction plate 222 is fixed In the top of hull freight house 4；Each second longitudinal direction plate 222 of the vertical connection of second transverse plate 221 simultaneously only floats end 21 and hull with second The top of freight house 4 is fixed.

The structure that first bearing 12 employs the first transverse plate 121 and the vertical connection of first longitudinal direction plate 122 coordinates, site welding When connecing, the first only floating end 11 and second only floating alignment of end 21 up and down can be made by first longitudinal direction plate 122, is easy to ensure to build essence Degree.

Between the side of first anti-float 1 and the top of the goods tank 3 and side of the second anti-float 2 and the top of hull freight house 4 Reinforcer 5 is respectively fixed between portion.Surface of the reinforcer 5 away from the first anti-anti- float 2 of float 1 or the second is in recessed arc Shape.

Reinforcer 5 using recessed curved surfaces, improve the continuity of structure, and can effectively reduce the region of high stress Produce.

The utility model is described in detail above in association with accompanying drawing embodiment, those skilled in the art can root Many variations example is made to the utility model according to described above.Thus, some details in embodiment should not be formed to this practicality New restriction, the utility model will be used as the scope of protection of the utility model using the scope that appended claims define.

Claims

A kind of 1. anti-floating structure of pitch cargo tank, it is characterised in that including one first anti-float and one second anti-float, described the One anti-float is fixed on the top of a goods tank, and the second anti-float is fixed on the top of a hull freight house, when the goods tank is put When in the hull freight house, the second anti-float is located at the surface of the described first anti-float.
2. the anti-floating structure of pitch cargo tank according to claim 1, it is characterised in that the first anti-float includes one the One only floats end and one first bearing, and the second anti-float includes one second and only floats end and one second bearing, and described first is only floating The goods tank is fixed in end by first bearing, and described second only floats end is fixed on the hull by second bearing The top of freight house, described first only floating end and described second only floating end be parallel to each other.
3. the anti-floating structure of pitch cargo tank according to claim 2, it is characterised in that first bearing includes one first Transverse plate and a plurality of first longitudinal direction plates, each first longitudinal direction plate are parallel to each other, and the first end of the first longitudinal direction plate is vertical It is fixed on described first and only floats end, the top of the goods tank is fixed at the second end of the first longitudinal direction plate；Described first laterally Each first longitudinal direction plate of plate vertical connection and only floating end and the top of the goods tank are fixed with described first.
4. the anti-floating structure of pitch cargo tank according to claim 2, it is characterised in that the first longitudinal direction plate and described the The width of the vertical plane of one transverse plate only floats end from described first and gradually increased to the direction at the top of the goods tank.
5. the anti-floating structure of pitch cargo tank according to claim 4, it is characterised in that second bearing includes one second Transverse plate and a plurality of second longitudinal direction plates, each second longitudinal direction plate are parallel to each other, and the first end of the second longitudinal direction plate is vertical It is fixed on described second and only floats end, the top of the hull freight house is fixed at the second end of the second longitudinal direction plate；Described second Each second longitudinal direction plate of transverse plate vertical connection and only floating end and the top of the hull freight house are fixed with described second.
6. the anti-floating structure of pitch cargo tank according to any one of Claims 1 to 5, it is characterised in that described first is anti-floating Divide between the side of part and the top of the goods tank between the side of the second anti-float and the top of the hull freight house Reinforcer is not fixed with it.
7. the anti-floating structure of pitch cargo tank according to claim 6, it is characterised in that the reinforcer is away from described first The surface of anti-float or the second anti-float is in recessed arc.