CN214420684U - Ventilation device for ship - Google Patents

Abstract

A ventilation device for a ship belongs to the technical field of ship cargo compartment ventilation facilities. The ventilation device comprises a ventilation barrel body, wherein a front left transmission plate is hinged on the outer wall of the front side of the left end of the ventilation barrel body, a rear left transmission plate is hinged on the outer wall of the rear side of the left end of the ventilation barrel body, a front right transmission plate is hinged on the outer wall of the front side of the right end of the ventilation barrel body, a rear right transmission plate is hinged on the outer wall of the rear side of the right end of the ventilation barrel body, the front left transmission plate and the front right transmission plate are arranged in opposite directions, the rear left transmission plate and the rear right transmission plate are arranged in opposite directions, and a cover plate hinge seat supporting beam is fixed between the front inner wall of the ventilation barrel body and the opposite side of the rear inner wall; the left cover plate of the ventilating duct is arranged corresponding to the upper part of the left end of the barrel body of the ventilating duct; the right cover plate of the ventilating duct is arranged corresponding to the upper part of the right end of the ventilating duct cylinder body; the cover plate linkage mechanism corresponds to the position above the support beam of the cover plate hinge seat; the hollow ventilation hood is covered outside the ventilation barrel body. Meet the timely and rapid disposal requirements for dealing with the sudden wind, wave, high sea conditions and the weather precipitation.

Description

Ventilation device for ship

Technical Field

The utility model belongs to the technical field of boats and ships cargo hold ventilation facility, concretely relates to ventilation unit that boats and ships were used.

Background

The above mentioned ship mainly refers to, but not absolutely limited to, a container cargo ship, and the aforementioned ventilation device is disposed at a position of a beam or a transverse bulkhead between a cargo hold and a cargo hold of a cargo ship (which is commonly referred to as "cargo ship" or "cargo ship", hereinafter, the same is used for introducing fresh air (fresh air) into the cargo hold to ventilate the cargo hold, and needs to be closed in time when encountering wind, wave and precipitation conditions, so as to prevent the cargo from being damaged due to water entering the cargo hold and even causing accidents with safety loss. In addition, in some unexpected situations, such as fire in the cabin, it is also necessary to shut down the ventilation device to isolate the outside air.

Technical information relating to ventilation devices for ships is found in published chinese patent documents, such as CN102200330A recommending "a fairings with fairings" which objectively have the technical effect described in paragraph 0006 of the specification thereof, but which, when installed on a ship, expose the following disadvantages: firstly, since a plurality of ventilation ducts are usually required to be installed on a cargo ship, for example, according to corresponding specifications, seventy ventilation ducts are required to be installed on a ship with three thousand standard containers (three thousand standard containers), when sea waves attack and weather precipitation urgently need to close the ventilation ducts, only handwheels of the ventilation ducts one by one can be operated by a shipman, the time spent on closing all the ventilation ducts is long, and the ship is not favorable for timely dealing with the storms and the precipitation; secondly, because the handwheel is adopted for operation, compared with an air funnel, the time consumption is relatively long, and the operation intensity of a crew is high; thirdly, since the upper part of the ventilation duct has a mushroom shape and is spaced apart from the bulkhead between the cargo hold and the cargo hold, when a crew moves from the first plate on one side of the ship (i.e., "side of the ship", the same shall apply hereinafter) to the second plate (i.e., "side of the ship", the same shall apply hereinafter) along the bulkhead as a work request, the crew must continuously move across the ventilation duct.

CN111661306A provides a "T-shaped ventilation barrel", in which when the sub-cover plate (i.e. the barrel cover) needs to be opened or closed, the handle is operated to apply force to the sub-cover plate (i.e. the ventilation barrel cover) through the follower rod, so as to drive the sub-cover plate to rotate around the rotating device on the bearing beam, and ventilation gaps are formed between the two sub-cover plates and the top port of the barrel body, otherwise, the same example can be found (see the description in section 005 of this patent). Compared with the CN102200330A, the speed of opening or closing the cylinder cover plate is obviously improved because the hand wheel is replaced by the operating handle utilizing the lever principle. However, the CN111661306A still has the following disadvantages: the overall time spent on opening and closing the cartridge cover remains relatively lengthy, since it requires operations to open and close the cartridge cover one by one.

In view of the above-mentioned shortcomings of the prior art, it is necessary to make reasonable improvements, and the technical solutions described below are made under such circumstances.

SUMMERY OF THE UTILITY MODEL

The task of the utility model is to provide a help showing the speed that improves and open or close the cover plate and can satisfy the timely swift processing requirement when dealing with the big wave height sea state of wind and weather precipitation and be favorable to protecting the ventilation unit that boats and ships of goods and guarantee safety were used.

The task of the utility model is accomplished in such a way that the ventilation device for the ship comprises a ventilation barrel body, a front left driving plate is hinged on the outer wall of the front side of the left end of the ventilating duct cylinder body, a rear left driving plate is hinged on the outer wall of the rear side of the left end of the ventilating duct cylinder body, and a front right driving plate is hinged on the outer wall of the front side of the right end of the ventilating duct cylinder body, a rear right driving plate is hinged on the outer wall of the rear side of the right end of the ventilating duct cylinder body, the positions of the front left driving plate and the rear left driving plate correspond to each other, the positions of the front right driving plate and the rear right driving plate correspond to each other, the arrangement directions of the front left transmission plate and the front right transmission plate are opposite to each other, the arrangement directions of the rear left transmission plate and the rear right transmission plate are opposite to each other, a cover plate hinge seat supporting beam is fixed between the front inner wall and the rear inner wall of the air funnel barrel body and positioned in the middle of the length direction; a left ventilator cover plate which is arranged corresponding to the upper part of the left end of the ventilator barrel, the right end of the left ventilator cover plate is hinged with the cover plate hinge seat supporting beam, the left end is a free end, the front side surface of the left ventilator cover plate is in sliding fit with the front left driving plate, and the rear side surface of the left ventilator cover plate is in sliding fit with the rear left driving plate; the right ventilator cover plate is arranged corresponding to the upper part of the right end of the ventilator barrel, the left end of the right ventilator cover plate is also hinged with the cover plate hinge seat supporting beam, the right end is formed into a free end, and the front side surface of the right ventilator cover plate is in sliding fit with the front right driving plate, and the rear side surface of the right ventilator cover plate is in sliding fit with the rear right driving plate; the cover plate linkage mechanism is arranged on the ventilating duct cylinder body at a position corresponding to the upper part of the supporting beam of the cover plate hinge seat, and is simultaneously connected with the front left transmission plate, the front right transmission plate, the rear left transmission plate and the rear right transmission plate; the hollow ventilating hood is covered outside the ventilating drum body, and the lower part of the hollow ventilating hood is fixed with the lower part of the ventilating drum body; and the upper part of the hollow ventilation hood extends towards the upper part of the ventilation barrel body and shields the cover plate linkage mechanism.

In a specific embodiment of the present invention, the funnel barrel has a rectangular frame-shaped structure and an internal region of the funnel barrel is configured as a barrel cavity, a communicating barrel fixing flange edge is formed at a bottom edge portion of an outer wall around the funnel barrel, a hollow-out funnel fixing support block is fixed on the barrel fixing flange edge at an interval state, the hollow-out funnel fixing support block is further fixed to the outer wall of the funnel barrel, and funnel barrel mounting fixing holes are further formed at intervals on the barrel fixing flange edge; the right end of the left cover plate of the ventilator and the left end of the right cover plate of the ventilator are coaxially hinged with the support beam of the cover plate hinge seat, a left cover plate front guide sliding column is fixed at the left end of the front side surface of the left cover plate of the ventilator, a left cover plate rear guide sliding column is fixed at the left end of the rear side surface of the left cover plate of the ventilator and at the position corresponding to the left cover plate front guide sliding column, the left cover plate front guide sliding column is in sliding fit with the front left transmission plate, and the left cover plate rear guide sliding column is in sliding fit with the rear left transmission plate; a right cover plate front guide sliding column is fixed at the right end of the front side surface of the right cover plate of the ventilating duct, a right cover plate rear guide sliding column is arranged at the right end of the rear side surface of the right cover plate of the ventilating duct and at the position corresponding to the right cover plate front guide sliding column, the right cover plate front guide sliding column is in sliding fit with the front right transmission plate, and the right cover plate rear guide sliding column is in sliding fit with the rear right transmission plate; the cover plate linkage mechanism is simultaneously connected with the right end of the front left transmission plate, the right end of the rear left transmission plate, the left end of the front right transmission plate and the left end of the rear right transmission plate; the periphery of the lower portion of the hollowed-out ventilation hood is fixed with the hollowed-out ventilation hood fixing supporting block.

In another specific embodiment of the present invention, a front left driving plate arc-shaped sliding guide slot is disposed at the left end of the front left driving plate, and the right end of the front left driving plate is hinged to the front outer wall of the left end of the air funnel cylinder through a front left driving plate right hinge shaft, and a front left driving plate hinge lug extends from the upper portion of the right end of the front left driving plate; a rear left transmission plate arc-shaped guide sliding groove is formed in the left end of the rear left transmission plate and at a position corresponding to the front left transmission plate arc-shaped guide sliding groove, the right end of the rear left transmission plate is hinged to the outer wall of the rear side of the left end of the air funnel barrel through a rear left transmission plate right hinge shaft, and a rear left transmission plate hinge lug extends from the upper portion of the right end of the rear left transmission plate; a front right transmission plate arc-shaped guide chute is formed in the right end of the front right transmission plate, the left end of the front right transmission plate is hinged to the outer wall of the front side of the right end of the ventilating barrel body through a front right transmission plate left hinge shaft, and a front right transmission plate hinge lug extends from the upper portion of the left end of the front right transmission plate; a rear right transmission plate arc-shaped guide sliding groove is formed in the right end of the rear right transmission plate and at a position corresponding to the front right transmission plate arc-shaped guide sliding groove, the left end of the rear right transmission plate is hinged with the outer wall of the rear side of the right end of the ventilating barrel body through a rear right transmission plate left hinge shaft, and a rear right transmission plate hinge lug extends from the upper part of the left end of the rear right transmission plate; the cover plate linkage mechanism arranged on the ventilating funnel barrel body at a position corresponding to the upper part of the support beam of the cover plate hinge seat is connected with the front left transmission plate hinge lug, the rear left transmission plate hinge lug, the front right transmission plate hinge lug and the rear right transmission plate hinge lug; the left cover plate front guide sliding column extends into the front left transmission plate arc-shaped guide sliding groove and is in sliding fit with the front left transmission plate arc-shaped guide sliding groove, the left cover plate rear guide sliding column extends into the rear left transmission plate arc-shaped guide sliding groove and is in sliding fit with the rear left transmission plate arc-shaped guide sliding groove, the right cover plate front guide sliding column extends into the front right transmission plate arc-shaped guide sliding groove and is in sliding fit with the front right transmission plate arc-shaped guide sliding groove, and the right cover plate rear guide sliding column extends into the rear right transmission plate arc-shaped guide sliding groove and is in sliding fit with the rear right transmission plate arc-shaped guide sliding groove; the front left transmission plate, the rear left transmission plate, the front right transmission plate and the rear right transmission plate are shielded by the hollowed-out ventilation hood; and a hollow ventilation hood lower beam fixing hole is formed in the hollow ventilation hood fixing support block fixed on the side of the barrel fixing flange.

In yet another specific embodiment of the present invention, a pair of cover-plate hinge-arm hinge devices are provided on the cover-plate hinge-seat support beam, the pair of cover-plate hinge-arm hinge devices each including a pair of cover-plate hinge-arm pin support plates and a cover-plate hinge-arm pin, the bottom of the pair of cover-plate hinge-arm pin support plates being fixed to the cover-plate hinge-seat support beam, the cover-plate hinge-arm pin being provided between the upper portions of the pair of cover-plate hinge-arm pin support plates; a pair of left ventilator cover plate hinge arms are fixed at the right end of the left ventilator cover plate and at positions corresponding to the hinge devices of the pair of cover plate hinge arms, and the right end of the left ventilator cover plate hinge arms extends out of the right side surface of the left ventilator cover plate and is respectively hinged with the middle parts of cover plate hinge arm pin shafts arranged between the upper parts of the pair of cover plate hinge arm pin shaft bearing plates; a pair of right ventilator cover hinge arms are arranged at the left end of the right ventilator cover and at positions corresponding to the hinge devices of the pair of cover hinge arms, and the left ends of the right ventilator cover hinge arms extend out of the left side surface of the right ventilator cover and are respectively hinged with the middle parts of cover hinge arm hinge pins arranged between the upper parts of the pair of cover hinge arm pin bearing plates; the middle part of the funnel barrel in one side in opposite directions and being located the position on the left side and the right side of the length direction of the hinged-seat supporting beam of the apron respectively is fixed with a sealed cooperation lath of apron support, the one side of the right-hand member edge part position of the left apron of the funnel under moves and is located the last edge cooperation of the sealed cooperation lath of the left apron support of the hinged-seat supporting beam of the apron, the one side of the left-hand member edge part position of the right apron of the funnel under moves and is located the last edge cooperation of the sealed cooperation lath of the apron support on the right side of the hinged-seat supporting beam of the apron.

In a further specific embodiment of the present invention, the cover plate linkage mechanism covered by the hollowed-out ventilation hood comprises a linkage shaft front pivoting support, a linkage shaft rear pivoting support, a linkage shaft, a front screw linkage plate, a rear screw linkage plate, a front left transmission plate actuating screw, a front right transmission plate actuating screw, a rear left transmission plate actuating screw and a rear right transmission plate actuating screw, the linkage shaft front pivoting support is fixed with the upward side of the front end of the cover plate hinged support beam in a longitudinal state, the lower end front side of the linkage shaft front pivoting support is fixed with the ventilation barrel body, the linkage shaft rear pivoting support is fixed with the upward side of the rear end of the cover plate hinged support beam in a longitudinal state, the lower end rear side of the linkage shaft rear pivoting support is fixed with the ventilation barrel body, the front end of the linkage shaft is rotatably supported at the upper end of the linkage shaft front pivoting support through the linkage shaft front bearing, the linkage shaft end extends to the front side of the linkage shaft front pivoting support seat and forms a linkage shaft front shaft head, the rear end of the linkage shaft is rotatably supported at the upper end of the linkage shaft rear pivoting support seat through a linkage shaft rear bearing, the rear end of the linkage shaft extends to the rear side of the linkage shaft rear pivoting support seat and forms a linkage shaft rear shaft head, the front screw linkage plate corresponds to the front side of the ventilating cylinder body, the middle part of the front screw linkage plate is fixedly sleeved on the linkage shaft front shaft head, the rear screw linkage plate corresponds to the rear side of the ventilating cylinder body, the middle part of the rear screw linkage plate is fixedly sleeved on the linkage shaft rear shaft head, the front left transmission plate actuating screw is hinged between the front left transmission plate hinge lug and the left end of the front screw linkage plate, the front right transmission plate actuating screw is hinged between the front right transmission plate hinge lug and the right end of the front screw linkage plate, the rear left transmission plate actuating screw rod is hinged between the rear left transmission plate hinge lug and the left end of the rear screw linkage plate, and the rear right transmission plate actuating screw rod is hinged between the rear right transmission plate hinge lug and the right end of the rear screw linkage plate.

In yet another specific embodiment of the present invention, the front right driving plate actuating screw, the rear left driving plate actuating screw and the rear right driving plate actuating screw have the same structure as the front left driving plate actuating screw, the front left driving plate actuating screw includes a left connecting screw segment, a right connecting screw segment and a screw segment adjusting screw sleeve, the left end of the left connecting screw segment is hinged to the front left driving plate hinge lug through a left connecting screw segment hinge pin, the right end of the right connecting screw segment is hinged to the left end of the front screw linkage plate through a right connecting screw segment hinge pin, and the screw segment adjusting screw sleeve is threadedly connected between the right end of the left connecting screw segment and the left end of the right connecting screw segment.

The utility model discloses a more and a concrete embodiment, fretwork draft hood includes cover body stand, cover body underbeam, preceding middle longitudinal beam, back middle longitudinal beam, ventilation bars and apron, cover body stand corresponding to the position of four bights of draft tube barrel sets up with vertical state, and cover body stand's bottom with barrel mounting flange limit is fixed, cover body underbeam between corresponding to each two adjacent cover body stands, between cover body stand and preceding middle longitudinal beam and cover body stand and back middle longitudinal beam between the position with fretwork draft hood fixed support shoe is fixed, preceding middle longitudinal beam corresponding to the position of the front end of universal driving shaft vertically set up and the bottom of this preceding middle longitudinal beam with barrel mounting flange limit is fixed, and upper portion is fixed with the front side that the apron faces down, on this preceding middle longitudinal beam and corresponding to the position of the front axle head of universal driving shaft sets up the front of a universal driving shaft that link up the thickness direction of preceding middle longitudinal beam The rear middle longitudinal beam is longitudinally arranged corresponding to the rear end of the linkage shaft, the bottom of the rear middle longitudinal beam is fixed with a barrel fixing flange edge, the upper part of the rear middle longitudinal beam is fixed with the rear side of the cover plate facing downwards, a linkage shaft rear shaft head access hole penetrating through the thickness direction of the rear middle longitudinal beam is formed in the position, corresponding to the rear shaft head of the linkage shaft, of the rear middle longitudinal beam, the vent gates are arranged between the height directions of the two adjacent cover body stand columns, between the height directions of the cover body stand columns and the front middle longitudinal beam and between the height directions of the cover body stand columns and the rear middle longitudinal beam, cover plate supporting beams are respectively fixed at the peripheral edge parts of one side of the cover plate facing downwards, four corner parts of each cover plate are fixed with the tops of the cover body stand columns, and the middle parts of each cover plate are fixed with the tops of the front middle longitudinal beam and the rear middle longitudinal beam.

The utility model discloses a and then a specific embodiment the peripheral edge position of the one side of chimney left side apron orientation down is fixed with opening down and the cross sectional shape is the chimney left side apron sealing strip location fillet of Jiong font, has set up chimney left side apron sealing strip in this chimney left side apron sealing strip location fillet the peripheral edge position of the one side of chimney right side apron orientation down is fixed with opening down and cross sectional shape is the chimney right side apron sealing strip location fillet of Jiong font, has set up the chimney right side apron sealing strip in this chimney right side apron sealing strip location fillet, is located the front and back side and the left end of chimney left side apron the chimney left side apron sealing strip with the last edge of the chimney barrel is corresponding and cooperatees, and the chimney left side apron sealing strip that is located the right-hand member of chimney left side apron bearing beam with be located the left of apron bearing seal cooperation board The upper edges of the strips are corresponding and matched, the right ventilator cover sealing strip and the upper edge of the ventilator cylinder body are corresponding and matched, the right ventilator cover sealing strip is located at the front side, the rear side and the right end of the right ventilator cover plate, the right ventilator cover sealing strip is located at the left end of the right ventilator cover plate, and the right ventilator cover sealing strip is located on the right side of the cover plate hinged seat supporting beam, the upper edges of the cover plate supporting sealing matching laths are corresponding and matched.

In a more specific embodiment of the present invention, the front axle head of the linkage axle and the rear axle head of the linkage axle are hexagonal heads.

In yet another specific embodiment of the present invention, the air bars are formed by combining plates which are arranged at intervals from top to bottom and inclined downward, and the space between each two adjacent plates is a groove cavity of the air bars.

The technical scheme provided by the utility model the technical effect lie in: the cover plate linkage mechanism is simultaneously connected with the front left transmission plate, the front right transmission plate, the rear left transmission plate and the rear right transmission plate, the front side surface and the rear side surface of the left cover plate of the ventilating duct are respectively in sliding fit with the front left transmission plate and the rear left transmission plate, and the front side surface and the rear side surface of the right cover plate of the ventilating duct are respectively in sliding fit with the front right transmission plate and the rear right transmission plate, so that the left cover plate and the right cover plate of the ventilating duct can be opened or closed simultaneously when the cover plate linkage mechanism is operated, compared with the prior art, the opening and closing speeds of the left cover plate and the right cover plate of the ventilating duct are multiplied, the timely and quick handling requirements for dealing with sudden wind and wave high sea conditions and weather precipitation can be met, the cargo protection and dealing with sudden events such as the left cover plate and the right cover plate of the ventilating duct can be quickly closed when open fire occurs in a cargo hold are facilitated, and the external air is isolated, so that the fire behavior is well inhibited; because the crew can move from one side of the partition wall area of the ship cargo hold to the other side in the state of stepping on and hollowing out the ventilation hood, the situation that the crew is forced to cross like mushroom in the prior art does not exist, the interference influence on the passing can be eliminated, and the safety function of avoiding tripping the crew can be well played.

Drawings

Fig. 1 is a structural diagram of an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic overall external view of fig. 1.

Fig. 4 is a schematic view illustrating an application of the present invention.

Detailed Description

In order to make the technical essence and advantages of the present invention more clear, the applicant below describes in detail the embodiments, but the description of the embodiments is not a limitation of the present invention, and any equivalent changes made according to the inventive concept, which are only formal and not essential, should be considered as the technical scope of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are exemplified by the position state of fig. 1, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.

Referring to fig. 1, there is shown a funnel barrel 1, a front left driving plate 11 is hinged to an outer wall of a front side of a left end of the funnel barrel 1, a rear left driving plate 12 is hinged to an outer wall of a rear side of the left end of the funnel barrel 1, a front right driving plate 13 is hinged on the outer wall of the front side of the right end of the ventilating duct cylinder body 1, a rear right driving plate 14 is hinged on the outer wall of the rear side of the right end of the ventilating duct cylinder body 1, the positions of the front left driving plate 11 and the rear left driving plate 12 correspond to each other, the positions of the front right driving plate 13 and the rear right driving plate 14 correspond to each other, and the front left and right drive plates 11 and 13 are disposed in the opposite directions to each other, and the rear left and right drive plates 12 and 14 are disposed in the opposite directions to each other, a cover plate hinge seat supporting beam 15 is fixed between the front inner wall and the rear inner wall of the air funnel barrel 1 and positioned in the middle of the length direction; a left ventilator cover plate 2 is shown, the left ventilator cover plate 2 is arranged corresponding to the upper part of the left end of the ventilator barrel 1, the right end of the left ventilator cover plate 2 is hinged with the cover plate hinge base support beam 15, the left end is a free end which can be raised upwards and can be tilted downwards, the front side surface of the left ventilator cover plate 2 is in sliding fit with the front left transmission plate 11, and the rear side surface is in sliding fit with the rear left transmission plate 12; a right ventilator cover plate 3 is shown, the right ventilator cover plate 3 is arranged corresponding to the upper part of the right end of the ventilator body 1, the left end of the right ventilator cover plate 3 is hinged with the cover plate hinge base supporting beam 15, the right end is also formed into a free end which can be raised upwards and can be tilted downwards, the front side surface of the right ventilator cover plate 3 is matched with the front right driving plate 13 in a sliding way, and the rear side surface of the right ventilator cover plate 3 is matched with the rear right driving plate 14 in a sliding way; a cover linkage 4 is shown, the cover linkage 4 being disposed on the air funnel barrel 1 at a position corresponding to above the cover hinge base support beam 15, and the cover linkage 4 being connected to the front left drive plate 11, the front right drive plate 13, the rear left drive plate 12 and the rear right drive plate 14 at the same time; a hollowed-out cowling 5 is shown, the hollowed-out cowling 5 is covered outside the funnel barrel 1 and the lower part of the hollowed-out cowling 5 is fixed to the lower part of the outer side of the funnel barrel 1, and the upper part of the hollowed-out cowling 5 extends above the funnel barrel 1 and is covered by the hollowed-out cowling 5 on the cover plate linkage mechanism 4.

In order to fully ensure safety, the utility model discloses be provided with a pair of guardrail 6, should be fixed with the front and back side at the state that corresponds around each other and the length direction's of aforementioned fretwork draft hood 5 top to guardrail 6.

Continuing to refer to fig. 1, the aforementioned funnel barrel 1 is a rectangular frame-shaped structure and the inner area of the funnel barrel 1 is configured as a barrel cavity 16, the barrel cavity 16 may also be referred to as an air inlet cavity or a ventilation cavity, a communicating barrel fixing flange 17 is formed at the bottom edge portion of the peripheral outer wall of the funnel barrel 1, hollow-out funnel fixing support blocks 171 are fixed on the barrel fixing flange 17 at intervals, the hollow-out funnel fixing support blocks 171 are further fixed with the outer wall of the funnel barrel 1, and funnel barrel mounting fixing holes 172 are further formed at intervals on the barrel fixing flange 17, the funnel barrel mounting fixing holes 172 are used for fixing the funnel barrel 1 with a transverse bulkhead 811 of the cargo ship 8 shown in fig. 4, the transverse bulkhead being located between two adjacent cargo holds 81; the right end of the left ventilator cover plate 2 and the left end of the right ventilator cover plate 3 are coaxially hinged with the cover plate hinge seat supporting beam 15, a left cover plate front guide sliding column 21 is fixed at the left end of the front side surface of the left ventilator cover plate 2, a left cover plate rear guide sliding column 22 is fixed at the left end of the rear side surface of the left ventilator cover plate 2 and welded at the position corresponding to the left cover plate front guide sliding column 21, the left cover plate front guide sliding column 21 is in sliding fit with the front left transmission plate 11, and the left cover plate rear guide sliding column 22 is in sliding fit with the rear left transmission plate 12; a right cover plate front guide sliding column 31 is fixed at the right end of the front side surface of the right cover plate 3 of the ventilator, a right cover plate rear guide sliding column 32 is arranged at the right end of the rear side surface of the right cover plate 3 of the ventilator and at the position corresponding to the right cover plate front guide sliding column 31, the right cover plate front guide sliding column 31 is in sliding fit with the front right transmission plate 13, and the right cover plate rear guide sliding column 32 is in sliding fit with the rear right transmission plate 14; the cover plate linkage mechanism 4 is simultaneously connected with the right end of the front left transmission plate 11, the right end of the rear left transmission plate 12, the left end of the front right transmission plate 13 and the left end of the rear right transmission plate 14; the periphery of the lower portion of the hollow ventilation hood 5 is fixed to the hollow ventilation hood fixing support block 171.

A front left transmission plate arc-shaped guide chute 111 is arranged at the left end of the front left transmission plate 11, the right end of the front left transmission plate 11 is hinged with the front outer wall of the left end of the air funnel barrel 1 through a front left transmission plate right hinge shaft 112, and a front left transmission plate hinge lug 113 extends from the upper part of the right end of the front left transmission plate 11; a rear left transmission plate arc-shaped guide chute 121 is formed in the left end of the rear left transmission plate 12 and at a position corresponding to the front left transmission plate arc-shaped guide chute 111, the right end of the rear left transmission plate 12 is hinged to the outer wall of the rear side of the left end of the air funnel cylinder 1 through a rear left transmission plate right hinge shaft 122, and a rear left transmission plate hinge lug 123 extends from the upper part of the right end of the rear left transmission plate 12; a front right transmission plate arc-shaped guide chute 131 is formed at the right end of the front right transmission plate 13, the left end of the front right transmission plate 13 is hinged with the outer wall of the front side of the right end of the air funnel barrel 1 through a front right transmission plate left hinge shaft 132, and a front right transmission plate hinge lug 133 extends from the upper part of the left end of the front right transmission plate 13; a rear right driving plate arc-shaped sliding guide groove 141 is formed at the right end of the rear right driving plate 14 and at a position corresponding to the front right driving plate arc-shaped sliding guide groove 131, the left end of the rear right driving plate 14 is hinged to the right end rear outer wall of the air funnel cylinder 1 through a rear right driving plate left hinge shaft 142, and a rear right driving plate hinge lug 143 extends at the upper portion of the left end of the rear right driving plate 14.

As shown in fig. 1, the cover plate linkage 4 provided on the air funnel cylinder 1 at a position corresponding to the upper portion of the cover plate hinge base support beam 15 is connected to the front left transmission plate hinge lug 113, the rear left transmission plate hinge lug 123, the front right transmission plate hinge lug 133, and the rear right transmission plate hinge lug 143; the front left cover plate guide sliding post 21 extends into the front left transmission plate arc-shaped guide sliding groove 111 and is in sliding fit with the front left transmission plate arc-shaped guide sliding groove 111, the left cover plate rear guide sliding post 22 extends into the rear left transmission plate arc-shaped guide sliding groove 121 and is in sliding fit with the rear left transmission plate arc-shaped guide sliding groove 121, the right cover plate front guide sliding post 31 extends into the front right transmission plate arc-shaped guide sliding groove 131 and is in sliding fit with the front right transmission plate arc-shaped guide sliding groove 131, and the right cover plate rear guide sliding post 32 extends into the rear right transmission plate arc-shaped guide sliding groove 141 and is in sliding fit with the rear right transmission plate arc-shaped guide sliding groove 141; the front left transmission plate 11, the rear left transmission plate 12, the front right transmission plate 13 and the rear right transmission plate 14 are shielded by the hollow ventilation hood 5; a hollow ventilation hood lower beam fixing hole 1711 is formed in the hollow ventilation hood fixing support block 171 fixed to the cylinder fixing flange 17.

Referring to fig. 2 in conjunction with fig. 1, a pair of cover-hinge-arm hinge devices 151 are disposed on the aforementioned cover-hinge-seat support beam 15, the pair of cover-hinge-arm hinge devices 151 each including a pair of cover-hinge-arm-pin support plates 1511 and a cover-hinge-arm pin 1512, the bottom portions of the pair of cover-hinge-arm-pin support plates 1511 being fixed to the cover-hinge-seat support beam 15, the cover-hinge-arm pin 1512 being disposed between the upper portions of the pair of cover-hinge-arm-pin support plates 1511; a pair of funnel left-cover hinge arms 23 are fixed to the right end of the aforementioned funnel left-cover 2 at positions corresponding to the pair of cover hinge arm hinge devices 151, the right ends of the pair of funnel left-cover hinge arms 23 protruding out of the right side surface of the funnel left-cover 2 and being respectively hinged to the middle portions of cover hinge arm pins 1512 provided between the upper portions of the pair of cover hinge arm pin support plates 1511; a pair of right cowl hinge arms 33 at the left end of the right cowl plate 3 at positions corresponding to the pair of right cowl hinge arm hinge devices 151, the left ends of the right cowl hinge arms 33 protruding out of the left side surface of the right cowl plate 3 and being respectively hinged to the middle portions of the cowl hinge pin 1512 disposed between the upper portions of the pair of cowl hinge pin support plates 1511; a cowl support seal engaging panel 18 (also referred to as a "cowl space intermediate partitioning panel" hereinafter) is fixed to each of the opposite sides of the center of the cowl body 1 and the left and right sides of the cowl hinge base support beam 15 in the longitudinal direction, the downward side of the right end edge of the cowl left cowl 2 is engaged with the upper edge of the cowl support seal engaging panel 18 located on the left side of the cowl hinge base support beam 15, and the downward side of the left end edge of the cowl right cowl 3 is engaged with the upper edge of the cowl support seal engaging panel 18 located on the right side of the cowl hinge base support beam 15. From the description of this paragraph it follows that: since the right end of the pair of left cowl hinge arms 23 and the left end of the pair of right cowl hinge arms 33 are both hinged to the pair of cowl hinge pin shafts 1512, the applicant's above-mentioned expression that the right end of the left cowl 2 and the left end of the right cowl 3 are coaxially hinged to the cowl hinge base support beam 15 is complied with. The two cover plate supporting and sealing matching laths 18 are substantially the right side plate of the left chamber of the body cavity 16 of the ventilator cylinder 1 corresponding to the left cover plate 2 of the ventilator and the left side plate of the right chamber of the body cavity 16 of the ventilator cylinder 1 corresponding to the right cover plate 3 of the ventilator, so that the body cavity 16 is divided into two rectangular or square cavities.

Continuing to refer to fig. 1, the cover plate linkage mechanism 4 covered by the hollow ventilation hood 5 comprises a linkage shaft front pivoting support 41, a linkage shaft rear pivoting support 42, a linkage shaft 43, a front screw linkage plate 44, a rear screw linkage plate 45, a front left transmission plate actuating screw 46, a front right transmission plate actuating screw 47, a rear left transmission plate actuating screw 48 and a rear right transmission plate actuating screw 49, wherein the linkage shaft front pivoting support 41 is fixed with the upward side of the front end of the cover plate hinge seat support beam 15 in a longitudinal state, the front side surface of the lower end of the linkage shaft front pivoting support 41 is welded and fixed with the inner wall of the ventilation barrel body 1, the linkage shaft rear pivoting support 42 is fixed with the upward side of the rear end of the cover plate hinge seat support beam 15 in a longitudinal state, and the rear side surface of the lower end of the linkage shaft rear pivoting support 42 is welded and fixed with the inner wall of the ventilation barrel body 1, the front end of the linkage shaft 43 is rotatably supported at the upper end of the linkage shaft front pivot support 41 through a linkage shaft front bearing 431, the end of the linkage shaft 43 extends to the front side of the linkage shaft front pivot support 41 and forms a linkage shaft front spindle nose 433, the rear end of the linkage shaft 43 is rotatably supported at the upper end of the linkage shaft rear pivot support 42 through a linkage shaft rear bearing 432, the rear end of the linkage shaft 43 extends to the rear side of the linkage shaft rear pivot support 42 and forms a linkage shaft rear spindle nose 434, the front screw linkage plate 44 corresponds to the front side of the ventilation cylinder barrel 1, the middle part of the front screw linkage plate 44 is fixedly sleeved on the linkage shaft front spindle nose 433, the rear screw linkage plate 45 corresponds to the rear side of the ventilation cylinder barrel 1 and the middle part of the rear screw drive plate 45 is fixedly sleeved on the linkage shaft rear spindle 434, the front left screw actuation screw 46 is hinged between the front left hinge plate ear 113 and the left end of the front screw linkage plate 44, the front right driving plate actuating screw 47 is hinged between the front right driving plate hinge lug 133 and the right end of the front screw linkage plate 44, the rear left driving plate actuating screw 48 is hinged between the rear left driving plate hinge lug 123 and the left end of the rear screw linkage plate 45, and the rear right driving plate actuating screw 49 is hinged between the rear right driving plate hinge lug 143 and the right end of the rear screw linkage plate 45.

In order to fully ensure the fixing effect of the front screw linkage plate 44 and the rear screw linkage plate 45 with the linkage shaft front spindle nose 433 and with the linkage shaft rear spindle nose 434, the rear screw linkage plate 45 is taken as an example and is shown in fig. 1, a rear screw linkage plate fixing sleeve 451 is formed in the middle of the rear screw linkage plate 45, a fixing sleeve locking screw 4511 is arranged on the rear screw linkage plate fixing sleeve 451, and the rear screw linkage plate fixing sleeve 451 and the linkage shaft rear spindle nose 434 are locked by the fixing sleeve locking screw 4511, so that the whole rear screw linkage plate 45 is fixed with the linkage shaft rear spindle nose 434. Since the front screw linkage plate 44 and the linkage shaft front spindle head 433 are fixed in the same way as the rear screw linkage plate 45, the applicant does not need to describe any further.

Continuing with FIG. 1, the structure of the front right drive plate actuation screw 47, the rear left drive plate actuation screw 48 and the rear right drive plate actuation screw 49 is the same as the structure of the front left drive plate actuation screw 46, and therefore the applicant only describes in detail the front left drive plate actuation screw 46. the front left drive plate actuation screw 46 includes a left connecting screw section 461, a right connecting screw section 462 and a screw section adjustment screw 463. the left end of the left connecting screw section 461 is hinged to the front left drive plate hinge ear 113 by a left connecting screw section hinge pin 4611, the right end of the right connecting screw section 462 is hinged to the left end of the front screw linkage plate 44 by a right connecting screw section hinge pin 4621, and the screw section adjustment screw 463 is threadedly connected between the right end of the left connecting screw section 461 and the left end of the right connecting screw section 462. When the screw segment adjusting screw 463 adjusts the distance between the opposite ends of the left connecting screw segment 461 and the right connecting screw segment 462 to the maximum limit, that is, the maximum distance, under the action of the front and rear screw linkage plates 44, 45, the left and rear driving plate actuating screws 46, 48 and the right and front driving plate actuating screws 47, 49 are used to fully (i.e., completely) close the left and right ventilator cover plates 2, 3 when closed, and then the left and right ventilator cover plates 11, 12 and the right and front driving plates 13, 14 are used to fully (i.e., completely) close the left and right ventilator cover plates 3, otherwise, a certain small gap or small gap is left.

Referring to fig. 3 and continuing to fig. 1, the hollow ventilation hood 5 includes a hood upright 51, a hood lower beam 52, a front middle longitudinal beam 53, a rear middle longitudinal beam 54, a ventilation bar 55 and a cover plate 56, the hood upright 51 is disposed in a longitudinal state corresponding to the four corners of the ventilation barrel body 1, and the bottom of the hood upright 51 is fixed to the barrel fixing flange 17, so that in the present embodiment, the number of the longitudinal upright 51 is four, but it is not necessary that the number is selected, and therefore, the increase and decrease of the longitudinal upright 51 cannot be limited by the hollow ventilation hood fixing 171, i.e., the hood lower beam 52 is fixed to the hollow ventilation hood fixing 171 by the hood lower beam fixing screws at the positions corresponding to the hood lower beam screw holes 521 preset on the hood lower beam 51 A fan housing lower beam fixing hole 1711 is fixed, a front middle longitudinal beam 53 (shown in fig. 3) is longitudinally arranged corresponding to the position of the front end of the linkage shaft 43, the bottom of the front middle longitudinal beam 53 is fixed with the cylinder fixing flange edge 17, the upper part of the front middle longitudinal beam is fixed with the downward front side of the cover plate 56, a linkage shaft front spindle head access hole 531 penetrating through the thickness direction of the front middle longitudinal beam 53 is arranged on the front middle longitudinal beam 53 and corresponding to the linkage shaft front spindle head 433, a rear middle longitudinal beam 54 is longitudinally arranged corresponding to the position of the rear end of the linkage shaft 43 and the bottom of the rear middle longitudinal beam 54 is fixed with the cylinder fixing flange edge 17, the upper part of the rear middle longitudinal beam is fixed with the downward rear side of the cover plate 56, a linkage shaft rear spindle head access hole 541 penetrating through the thickness direction of the rear middle longitudinal beam 54 is arranged on the rear middle longitudinal beam 54 and corresponding to the linkage shaft rear spindle head 434, the air-passing grills 55 are disposed between the height directions of the adjacent cover posts 51, between the cover posts 51 and the front intermediate longitudinal beams 53, and between the cover posts 51 and the rear intermediate longitudinal beams 54, and cover plate support beams 57 are fixed to the peripheral edge portions of the downward side of the cover plate 56, four corner portions of the cover plate 56 are fixed to the top portions of the cover posts 51, and the middle portions thereof are fixed to the top portions of the front intermediate longitudinal beams 53 and the rear intermediate longitudinal beams 54.

In the present embodiment, the upward side surface of the cover plate 56 is formed in a flat shape so that a crew can step on the plate when passing. In order to increase the strength of the cover 56, it is preferable that a cover reinforcing beam 561 be welded to the downward side of the cover 56, and both end surfaces of the cover reinforcing beam 561 and the transverse bulkhead 811 of the cargo lid 81 mentioned above be welded in the use state.

The pair of side rails 6 mentioned above are provided on the front and rear sides in the longitudinal direction of the cover 56, respectively, and the bottom portions of both ends of the pair of side rails 6 are preferably made to correspond to the top portions of the aforementioned longitudinal pillars 51.

As shown in fig. 1 and 3, an operating rod left limit clamp foot 61 and an operating rod right limit clamp foot 62 are fixedly arranged on a rear one of the pair of guardrails 6 by welding, and a linkage shaft operating rod 7 for driving the linkage shaft 43 of the structural system of the cover plate linkage mechanism 4 is also shown in fig. 1 and 3, an operating rod sleeve 71 is formed at the lower end of the linkage shaft operating rod 7, when the linkage shaft 43 is operated to rotate clockwise or counterclockwise by a required angle, the operating rod sleeve 71 is sleeved (inserted and matched) with the linkage shaft rear shaft head 434 at a position corresponding to the linkage shaft rear shaft head access hole, and after the operation is finished, the upper end of the linkage shaft operating rod 7 is clamped into the operating rod left limit clamp foot 61 and the operating rod right limit clamp foot 62. The lever sleeve 71 (inner hexagonal sleeve) is retained in a fitted state with the rear axle head 434 of the universal driving shaft.

Because the operating rod sleeve 71 of the operating rod 7 of the linkage shaft can also be matched with the front shaft head 433 of the linkage shaft, the left and right limiting clamping feet 61 and 62 of the operating rod can also be arranged on the front one of the pair of guardrails 6, the specific effect is the same as that of the above, and the repeated description is omitted.

Continuing to refer to fig. 1, a down-opening, Jiong-shaped cowl seal positioning molding 24 is preferably fixed by welding to a peripheral edge portion of a downward-facing side of the cowl left cover 2, a cowl left cover seal 241 is embedded in the cowl left cover seal positioning molding 24, a down-opening, Jiong-shaped cowl right cover seal positioning molding 34 is preferably fixed by welding to a peripheral edge portion of a downward-facing side of the cowl right cover 3, a cowl right cover seal 341 is embedded in the cowl right cover seal positioning molding 34, the cowl left cover seals 241 on front and rear sides and left ends of the cowl left cover 2 correspond to and are fitted to an upper edge of the cowl body 1, and the cowl left cover seal 241 on a right end of the cowl left cover 2 corresponds to and is fitted to the cowl left edge of the cowl base support beam 15 The upper edges of the aforementioned cowl support seal engaging panel 18 on the left side (i.e., the right wall body of the left chamber of the funnel chamber 16) correspond to and are engaged with the upper edges of the funnel cylinder 1, the aforementioned funnel right cowl seal 341 on the front and rear sides and the right end of the aforementioned funnel right cowl 3 corresponds to and is engaged with the upper edges of the aforementioned cowl support seal engaging panel 18 on the right side of the aforementioned cowl hinge base support beam 15 (i.e., the left wall body of the right chamber of the funnel chamber 16) and the aforementioned funnel right cowl seal 341 on the left end of the funnel right cowl 3 corresponds to and is engaged with the upper edges of the aforementioned cowl support seal engaging panel 18.

Since the front spindle head 433 and the rear spindle head 434 of the linkage spindle are hexagonal heads, the rear screw fixing sleeve 451 and the lever sleeve 71 are hexagonal socket sleeves.

As can be seen from the schematic views of fig. 1 and 3, the air grid 55 is formed by combining plates which are arranged at intervals from top to bottom and are inclined downwards, and the space between each two adjacent plates is formed into an air grid groove cavity.

Referring to fig. 4 in conjunction with fig. 1-3, typically, as described in the background section above by the applicant, seventy more plenums are typically installed on a cargo ship containing three thousand standard containers (which can hold or transport three thousand containers). The utility model discloses the funnel barrel 1 of structure is fixed with the horizontal bulkhead 811 that has been mentioned earlier through the funnel barrel installation fixed orifices 172 on its barrel mounting flange limit 17, and horizontal bulkhead 811 (also can be called horizontal cabin board) is located between two adjacent cabins.

When the left and right cover plates 2 and 3 of the ventilating duct are to be closed, the crew operates the linkage shaft operating rod 7, because the operating rod sleeve 71 is originally in a matching state with the linkage shaft rear shaft head 434, the crew stands on the cover plate 56 of the structural system of the hollow ventilating hood 5 to pull the linkage shaft operating rod 7 to the left (taking the position state shown in fig. 1 as an example), the operating rod sleeve 71 drives the linkage shaft rear shaft head 434 and the linkage shaft 43 to rotate counterclockwise by an angle, and because the front and rear screw linkage plates 44 and 45 are respectively fixed on the linkage shaft front and rear shaft heads 433 and 434, the linkage shaft 43 drives the front and rear screw linkage plates 44 and 45 to rotate counterclockwise by corresponding angles along with the linkage shaft 43. For example, the front screw linkage plate 44 is used, the left end of the front screw linkage plate 44 pulls the front left transmission plate to actuate the screw 46 to move right, the front left transmission plate 11 is pulled, and the front sliding pillar 21 of the left cover plate is in sliding fit with the arc-shaped sliding guide groove 111 of the transmission plate of the front left transmission plate 11, so that the left end, namely the free end, of the left cover plate 2 of the ventilating duct is driven by the front left transmission belt 11 to be raised upwards, the duct cavity 16 of the ventilating duct body 1 is opened, and outside air enters from the ventilating grill 55. Meanwhile, the right end of the front screw linkage plate 44 pulls the front right transmission plate actuating screw 47 to move left, the front right transmission plate 13 is pulled, and the front guide sliding column 31 of the right cover plate is in sliding fit with the front right transmission plate arc-shaped guide sliding groove 131 of the front right transmission plate 13, so that the front right transmission plate 13 drives the right end of the right ventilation duct cover plate 3, namely the free end, to be raised upwards, the duct body cavity 16 of the ventilation duct body 1 is opened, and outside air enters from the ventilation grille 55. The rear left driving plate 12 is moved in synchronization with the front left driving plate 11, and therefore, the description thereof will not be repeated, and similarly, the rear right driving plate 14 is moved in synchronization with the front right driving plate 13, and therefore, the description thereof will not be repeated. Also, since the process of closing the left funnel cover 2 and the right funnel cover 3 is the reverse of the above process, the detailed description is omitted. It can be known from the foregoing description that since the utility model discloses an operation can realize opening or closing the ventilation duct left and right apron 2, 3 simultaneously, therefore can show improvement operating efficiency.

To sum up, the technical solution provided by the present invention remedies the defects in the prior art, successfully completes the invention task, and faithfully embodies the technical effects mentioned in the above technical effect column by the applicant.

Claims (10)

1. A ventilation device for a ship is characterized by comprising a ventilating duct cylinder body (1), wherein a front left driving plate (11) is hinged to the outer wall of the front side of the left end of the ventilating duct cylinder body (1), a rear left driving plate (12) is hinged to the outer wall of the rear side of the left end of the ventilating duct cylinder body (1), a front right driving plate (13) is hinged to the outer wall of the front side of the right end of the ventilating duct cylinder body (1), a rear right driving plate (14) is hinged to the outer wall of the rear side of the right end of the ventilating duct cylinder body (1), the positions of the front left driving plate (11) and the rear left driving plate (12) correspond to each other, the positions of the front right driving plate (13) and the rear right driving plate (14) correspond to each other, the setting directions of the front left driving plate (11) and the front right driving plate (13) are opposite to each other, the setting directions of the rear left driving plate (12) and the rear right driving plate (14) are opposite to each other, the length of the front inner wall and the rear inner wall of the ventilating duct cylinder body (1) is opposite to each other and is located between the front side and the rear side A cover plate hinged seat supporting beam (15) is fixed to the middle position; a left ventilator cover plate (2), wherein the left ventilator cover plate (2) is arranged corresponding to the upper part of the left end of the ventilator barrel body (1), the right end of the left ventilator cover plate (2) is hinged with the cover plate hinge seat supporting beam (15), the left end is a free end, the front side surface of the left ventilator cover plate (2) is in sliding fit with the front left transmission plate (11), and the rear side surface of the left ventilator cover plate is in sliding fit with the rear left transmission plate (12); a right ventilator cover plate (3), the right ventilator cover plate (3) is arranged corresponding to the upper part of the right end of the ventilator barrel body (1), the left end of the right ventilator cover plate (3) is also hinged with the cover plate hinge seat supporting beam (15), the right end is formed into a free end, the front side surface of the right ventilator cover plate (3) is in sliding fit with the front right driving plate (13), and the rear side surface of the right ventilator cover plate is in sliding fit with the rear right driving plate (14); the cover plate linkage mechanism (4) is arranged on the ventilating funnel cylinder body (1) at a position corresponding to the upper part of the cover plate hinged seat supporting beam (15), and the cover plate linkage mechanism (4) is simultaneously connected with the front left transmission plate (11), the front right transmission plate (13), the rear left transmission plate (12) and the rear right transmission plate (14); the hollow ventilating hood (5) is covered outside the ventilating drum body (1), and the lower part of the hollow ventilating hood (5) is fixed with the lower part of the ventilating drum body (1); and the upper part of the cover plate linkage mechanism extends towards the upper part of the ventilating drum body (1) and is shielded and protected by the hollow ventilating hood (5).

2. The marine ventilation apparatus according to claim 1, wherein the funnel barrel (1) has a rectangular frame-like configuration and an inner region of the funnel barrel (1) is configured as a barrel cavity (16), a communicating barrel fixing flange (17) is formed at a bottom edge portion of the peripheral outer wall of the funnel barrel (1), hollow funnel fixing support blocks (171) are fixed to the barrel fixing flange (17) at intervals, the hollow funnel fixing support blocks (171) are further fixed to the outer wall of the funnel barrel (1), and funnel barrel mounting fixing holes (172) are further formed at intervals in the barrel fixing flange (17); the right end of the left ventilator cover plate (2) and the left end of the right ventilator cover plate (3) are coaxially hinged with the cover plate hinge seat supporting beam (15), a left cover plate front guide sliding column (21) is fixed to the left end of the front side surface of the left ventilator cover plate (2), a left cover plate rear guide sliding column (22) is fixed to the left end of the rear side surface of the left ventilator cover plate (2) and corresponds to the left cover plate front guide sliding column (21), the left cover plate front guide sliding column (21) is in sliding fit with the front left transmission plate (11), and the left cover plate rear guide sliding column (22) is in sliding fit with the rear left transmission plate (12); a right cover plate front guide sliding column (31) is fixed at the right end of the front side surface of the right cover plate (3) of the ventilator, a right cover plate rear guide sliding column (32) is arranged at the right end of the rear side surface of the right cover plate (3) and at the position corresponding to the right cover plate front guide sliding column (31), the right cover plate front guide sliding column (31) is in sliding fit with the front right transmission plate (13), and the right cover plate rear guide sliding column (32) is in sliding fit with the rear right transmission plate (14); the cover plate linkage mechanism (4) is simultaneously connected with the right end of the front left transmission plate (11), the right end of the rear left transmission plate (12), the left end of the front right transmission plate (13) and the left end of the rear right transmission plate (14); the periphery of the lower portion of the hollowed-out ventilation hood (5) is fixed with the hollowed-out ventilation hood fixing supporting block (171).

3. The marine ventilation device according to claim 2, wherein a front left transmission plate arc-shaped guide chute (111) is formed at the left end of the front left transmission plate (11), the right end of the front left transmission plate (11) is hinged to the front outer wall of the left end of the ventilation barrel body (1) through a front left transmission plate right hinge shaft (112), and a front left transmission plate hinge lug (113) extends from the upper part of the right end of the front left transmission plate (11); a rear left transmission plate arc-shaped guide chute (121) is formed in the left end of the rear left transmission plate (12) and in a position corresponding to the front left transmission plate arc-shaped guide chute (111), the right end of the rear left transmission plate (12) is hinged to the outer wall of the rear side of the left end of the air funnel barrel body (1) through a rear left transmission plate right hinge shaft (122), and a rear left transmission plate hinge lug (123) extends from the upper portion of the right end of the rear left transmission plate (12); a front right transmission plate arc-shaped guide chute (131) is formed in the right end of the front right transmission plate (13), the left end of the front right transmission plate (13) is hinged to the outer wall of the front side of the right end of the air funnel barrel body (1) through a front right transmission plate left hinge shaft (132), and a front right transmission plate hinge lug (133) extends from the upper portion of the left end of the front right transmission plate (13); a rear right transmission plate arc-shaped guide chute (141) is formed in the right end of the rear right transmission plate (14) and in a position corresponding to the front right transmission plate arc-shaped guide chute (131), the left end of the rear right transmission plate (14) is hinged to the outer wall of the rear side of the right end of the ventilating barrel body (1) through a rear right transmission plate left hinge shaft (142), and a rear right transmission plate hinge lug (143) extends from the upper portion of the left end of the rear right transmission plate (14); the cover plate linkage mechanism (4) arranged on the ventilating drum barrel body (1) corresponding to the position above the cover plate hinge seat supporting beam (15) is connected with the front left transmission plate hinge lug (113), the rear left transmission plate hinge lug (123), the front right transmission plate hinge lug (133) and the rear right transmission plate hinge lug (143); the left cover plate front guide sliding column (21) extends into the front left transmission plate arc-shaped guide sliding groove (111) and is in sliding fit with the front left transmission plate arc-shaped guide sliding groove (111), the left cover plate rear guide sliding column (22) extends into the rear left transmission plate arc-shaped guide sliding groove (121) and is in sliding fit with the rear left transmission plate arc-shaped guide sliding groove (121), the right cover plate front guide sliding column (31) extends into the front right transmission plate arc-shaped guide sliding groove (131) and is in sliding fit with the front right transmission plate arc-shaped guide sliding groove (131), and the right cover plate rear guide sliding column (32) extends into the rear right transmission plate arc-shaped guide sliding groove (141) and is in sliding fit with the rear right transmission plate arc-shaped guide sliding groove (141); the front left transmission plate (11), the rear left transmission plate (12), the front right transmission plate (13) and the rear right transmission plate (14) are shielded and protected by the hollow ventilation hood (5); and a hollow ventilation hood lower beam fixing hole (1711) is formed in the hollow ventilation hood fixing support block (171) fixed on the barrel fixing flange edge (17).

4. The ventilating device for ships according to claim 3, wherein a pair of cover-hinge-arm hinge means (151) are provided on the cover-hinge-seat support beam (15), the pair of cover-hinge-arm hinge means (151) each comprising a pair of cover-hinge-arm pin support plates (1511) and a cover-hinge-arm pin (1512), a bottom portion of the pair of cover-hinge-arm pin support plates (1511) being fixed to the cover-hinge-seat support beam (15), the cover-hinge-arm pin (1512) being provided between upper portions of the pair of cover-hinge-arm pin support plates (1511); a pair of left ventilator cover hinge arms (23) are fixed to the right end of the left ventilator cover (2) at positions corresponding to the pair of cover hinge arm hinge devices (151), the right ends of the left ventilator cover hinge arms (23) protrude out of the right side surface of the left ventilator cover (2) and are respectively hinged to the middle of a cover hinge arm pin (1512) disposed between the upper portions of the pair of cover hinge arm pin support plates (1511); a pair of right ventilator cover hinge arms (33) are provided at the left end of the right ventilator cover (3) and at positions corresponding to the pair of cover hinge arm hinge means (151), the left ends of the right ventilator cover hinge arms (33) protrude out of the left side surface of the right ventilator cover (3) and are respectively hinged to the middle portions of cover hinge arm pins (1512) provided between the upper portions of the pair of cover hinge arm pin support plates (1511); the utility model discloses a sealed cooperation lath of apron support, including the sealed cooperation lath of apron support (18) of the left end edge position one side in opposite directions of the middle part of air funnel barrel (1) and being located the left side of the length direction of the articulated seat supporting beam of apron (15) and the position on right side respectively are fixed with a sealed cooperation lath of apron support (18), the right-hand member edge position one side down of air funnel left side apron (2) cooperatees with the last edge that is located the sealed cooperation lath of apron support (18) on the left side of the articulated seat supporting beam of apron (15), the left end edge position one side down of the right side apron of air funnel (3) cooperatees with the last edge that is located the sealed cooperation lath of apron support (18) on the right side of the articulated seat supporting beam of apron (15).

5. The marine ventilation apparatus according to claim 3, wherein the cover plate linkage mechanism (4) covered by the hollowed-out ventilation hood (5) comprises a linkage shaft front pivot support base (41), a linkage shaft rear pivot support base (42), a linkage shaft (43), a front screw linkage plate (44), a rear screw linkage plate (45), a front left transmission plate actuating screw (46), a front right transmission plate actuating screw (47), a rear left transmission plate actuating screw (48) and a rear right transmission plate actuating screw (49), the linkage shaft front pivot support base (41) is fixed to the upward side of the front end of the cover plate hinge base support beam (15) in a longitudinal state, the front side of the lower end of the linkage shaft front pivot support base (41) is fixed to the ventilation barrel body (1), the rear shaft pivot support base (42) is fixed to the upward side of the rear end of the cover plate hinge base support beam (15) in a longitudinal state, the rear side of the lower end of the linkage shaft rear pivoting support seat (42) is fixed with the ventilating duct cylinder body (1), the front end of the linkage shaft (43) is rotatably supported at the upper end of the linkage shaft front pivoting support seat (41) through a linkage shaft front bearing (431), the end of the linkage shaft (43) extends to the front side of the linkage shaft front pivoting support seat (41) and forms a linkage shaft front shaft head (433), the rear end of the linkage shaft (43) is rotatably supported at the upper end of the linkage shaft rear pivoting support seat (42) through a linkage shaft rear bearing (432), the rear end of the linkage shaft (43) extends to the rear side of the linkage shaft rear pivoting support seat (42) and forms a linkage shaft rear shaft head (434), a front screw linkage plate (44) corresponds to the front side of the ventilating duct cylinder body (1), and the middle part of the front screw linkage plate (44) is fixedly sleeved on the linkage shaft front shaft head (433), the rear screw linkage plate (45) corresponds to the rear side of the air funnel barrel body (1), the middle of the rear screw linkage plate (45) is fixedly sleeved on the linkage shaft rear shaft head (434), the front left driving plate actuating screw (46) is hinged between the front left driving plate hinge lug (113) and the left end of the front screw linkage plate (44), the front right driving plate actuating screw (47) is hinged between the front right driving plate hinge lug (133) and the right end of the front screw linkage plate (44), the rear left driving plate actuating screw (48) is hinged between the rear left driving plate hinge lug (123) and the left end of the rear screw linkage plate (45), and the rear right driving plate actuating screw (49) is hinged between the rear right driving plate hinge lug (143) and the right end of the rear screw linkage plate (45).

6. Marine ventilation unit according to claim 5, characterised in that the front right drive plate actuating screw (47), the rear left drive plate actuating screw (48) and the rear right drive plate actuating screw (49) are of the same construction as the front left drive plate actuating screw (46), the front left driving plate actuating screw (46) comprises a left connecting screw section (461), a right connecting screw section (462) and a screw section adjusting screw sleeve (463), the left end of the left connecting screw section (461) is hinged with the front left driving plate hinge lug (113) through a left connecting screw section hinge pin shaft (4611), the right end of the right connecting screw section (462) is hinged with the left end of the front screw linkage plate (44) through a right connecting screw section hinge pin shaft (4621), and the screw section adjusting screw sleeve (463) is in threaded connection between the right end of the left connecting screw section (461) and the left end of the right connecting screw section (462).

7. The ventilating device for ships according to claim 5, wherein the hollowed ventilating hood (5) comprises a hood upright (51), a hood lower beam (52), a front middle longitudinal beam (53), a rear middle longitudinal beam (54), a ventilating grill (55) and a cover plate (56), the hood upright (51) is disposed in a longitudinal state corresponding to positions of four corners of the ventilating drum body (1), and a bottom of the hood upright (51) is fixed to the drum fixing flange (17), the hood lower beam (52) is fixed to the hollowed ventilating hood fixing support block (171) at positions corresponding to each of two adjacent hood uprights (51), between the hood upright (51) and the front middle longitudinal beam (53), and between the hood upright (51) and the rear middle longitudinal beam (54), the front middle longitudinal beam (53) is disposed longitudinally corresponding to a position of a front end of the linkage shaft (43), and a bottom of the front middle longitudinal beam (53) is disposed longitudinally corresponding to a position of the drum body fixing support block (171) The fixed flange edge (17) is fixed, the upper part of the fixed flange edge is fixed with the downward front side of the cover plate (56), a linkage shaft front shaft head access hole (531) penetrating through the front middle longitudinal beam (53) in the thickness direction is formed in the position corresponding to the linkage shaft front shaft head (433) on the front middle longitudinal beam (53), the rear middle longitudinal beam (54) is longitudinally arranged in the position corresponding to the rear end of the linkage shaft (43), the bottom of the rear middle longitudinal beam (54) is fixed with the barrel fixed flange edge (17), the upper part of the rear middle longitudinal beam is fixed with the downward rear side of the cover plate (56), a linkage shaft rear shaft head access hole (541) penetrating through the rear middle longitudinal beam (54) in the thickness direction is formed in the position corresponding to the linkage shaft rear shaft head (434) on the rear middle longitudinal beam (54), and the ventilation grating (55) is arranged between the height directions of two adjacent cover body upright columns (51), Cover plate supporting beams (57) are respectively fixed at the peripheral edge parts of the downward side of the cover plate (56) between the cover upright column (51) and the front middle longitudinal partition beam (53) in the height direction and between the cover upright column (51) and the rear middle longitudinal partition beam (54), four corner parts of the cover plate (56) are fixed with the top of the cover upright column (51), and the middle part of the cover plate is fixed with the top of the front middle longitudinal partition beam (53) and the rear middle longitudinal partition beam (54).

8. The marine ventilation apparatus according to claim 4, wherein a funnel left cover weather strip positioning molding (24) which is open downward and has a Jiong-shaped cross section is fixed to a peripheral edge portion of a downward-facing side of the funnel left cover (2), a funnel left cover weather strip (241) is embedded in the funnel left cover weather strip positioning molding (24), a funnel right cover weather strip positioning molding (34) which is open downward and has a Jiong-shaped cross section is fixed to a peripheral edge portion of a downward-facing side of the funnel right cover (3), a funnel right cover weather strip (341) is embedded in the funnel right cover weather strip positioning molding (34), and the funnel left cover weather strips (241) located at front and rear sides and a left end of the funnel left cover (2) correspond to and are fitted to an upper edge of the funnel cylinder (1), and the right ventilator cover sealing strip (341) at the left end of the right ventilator cover (3) corresponds to and is positioned at the right end of the cover plate hinged seat supporting beam (15) along the upper edge of the cover plate supporting sealing matching lath (18) and is matched with the right end of the right ventilator cover (3) along the upper edge of the right ventilator cover sealing strip (341) and the upper edge of the right ventilator cover (1), and the right ventilator cover sealing strip (341) at the left end of the right ventilator cover (3) and the right end of the cover plate supporting sealing matching lath (18) along the upper edge of the right ventilator cover corresponding and are matched with each other.

9. The marine ventilation device of claim 5 or 7, wherein the linkage shaft front head (433) and the linkage shaft rear head (434) are hexagonal heads.

10. The marine ventilation device of claim 7, wherein the air grid (55) is formed by combining downwardly inclined plates which are spaced from the top down, and the space between each two adjacent plates is a grid groove.

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