CN216515074U - Waterproof and ventilating device for pontoon bridge cover plate - Google Patents

Abstract

The utility model relates to a waterproof and breathable device of a pontoon bridge cover plate, which comprises a vehicle body, wherein an accommodating cavity is arranged in the vehicle body, a cover plate is arranged at the opening part of the accommodating cavity, a vent hole is formed in the cover plate, a first water drainage groove is arranged on the vehicle body corresponding to the opening part of the accommodating cavity, a second water drainage groove is arranged on the vehicle body corresponding to the periphery of the opening part of the accommodating cavity, the outlet end of the first water drainage groove is arranged corresponding to the second water drainage groove and positioned above the second water drainage groove, the outlet end of the second water drainage groove extends out of the vehicle body, a plurality of partition plates are arranged in the first water drainage groove, an airflow channel communicated with the accommodating cavity is formed between the adjacent partition plates, the airflow channel is communicated with the vent hole, a water flow channel is formed between the partition plates and the first water drainage groove, the upper end of the partition plate is higher than the upper end of the first water drainage groove, and a gas guide port is formed between the upper end of the first water drainage groove and the lower end surface of the cover plate. The utility model can realize the functions of ventilation and drainage and has the advantage of simple structure.

Description

Waterproof and ventilating device for pontoon bridge cover plate

Technical Field

The utility model relates to a waterproof and breathable device for a pontoon bridge cover plate.

Background

The pontoon bridge is a floating bridge formed by connecting boats or floating bodies. The self-propelled boat bridge is divided into a non-self-propelled one and a self-propelled one according to whether the self-propelled boat bridge has the water and land self-propelling capability or not, the boat body and the bridge deck structure are integrated into a whole, and the self-propelled boat bridge has the water and land running capability and is convenient to connect and disassemble quickly. For example, in the chinese patent application with the application publication No. CN109017178A entitled "chassis for a tracked amphibious self-propelled boat bridge", a chassis for a tracked amphibious self-propelled boat bridge and a related power transmission structure are introduced. In the chinese patent application publication No. CN112726383A entitled "a modular intelligent pontoon bridge device and a pontoon bridge construction method", a modular intelligent pontoon bridge device is disclosed, which mainly comprises a vehicle body, a bridge deck and a control room, wherein a crawler belt is arranged below the vehicle body, and the bridge deck is arranged to be folded above the vehicle body in a folded state and symmetrically laid on two sides of the vehicle body in a spread state; the automobile body passes through electronic jar with the bridge plate and is connected, the bridge plate is in fold condition in response to the shrink of electronic jar, the bridge plate is in the expansion state in response to the extension of electronic jar.

Among this kind of current boat bridge, be equipped with power device such as engine and hydraulic drive in the automobile body, for convenient the maintenance, be equipped with the apron that can open and shut on the automobile body, simultaneously for ventilative heat dissipation better, can be provided with the bleeder vent on some apron, current boat bridge apron design is still not reasonable enough, water spatters on the apron or the water that operating personnel walked and carry is stained with on the apron, water can follow in the bleeder vent gets into the automobile body, the time is of a specified duration, if water does not in time handle, can influence automobile body internal power device's life.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waterproof and breathable device of a pontoon bridge cover plate, which has the functions of ventilation and drainage and is simple in structure.

In order to achieve the purpose, the utility model adopts the following technical scheme:

waterproof ventilation unit of pontoon bridge apron, including the automobile body, be equipped with the holding cavity in the automobile body, the oral area of holding cavity is equipped with the apron, is equipped with the bleeder vent on the apron, the oral area that corresponds the holding cavity on the automobile body is equipped with first water drainage tank, the week edge that corresponds the oral area of holding cavity on the automobile body is equipped with second water drainage tank, the exit end of first water drainage tank corresponds the setting of second water drainage tank and is located the top of second water drainage tank, and the exit end of second water drainage tank extends to outside the automobile body, is equipped with the polylith baffle in first water drainage tank, form between the adjacent baffle with the airflow channel of holding cavity intercommunication, airflow channel with the bleeder vent intercommunication forms rivers passageway between baffle and the first water drainage tank, the upper end of baffle is higher than the upper end of first water drainage tank, the upper end of first water drainage tank with form the gas guide mouth between the lower terminal surface of apron.

In a preferred aspect of the present invention, the first drain tank extends in a longitudinal direction of the vehicle body, the first drain tank includes a first bottom plate and first side plates provided on both sides of the first bottom plate in a width direction, and the plurality of partitions are arranged in the longitudinal direction of the first bottom plate.

As a preferable mode of the present invention, both ends of the partition plate are respectively fixed to the two first side plates, and the water flow passage is formed between the lower end of the partition plate and the first bottom plate.

In a preferred aspect of the present invention, the second drain groove is a channel having an upward opening, and the second drain groove extends in a width direction of the vehicle body.

As a preferable mode of the utility model, a baffle plate and a support plate are further arranged on the periphery of the vehicle body and the accommodating chamber, a third drainage channel is formed between the baffle plate and the support plate, a plurality of exhaust holes are arranged on the support plate, and the lowest points of the exhaust holes are lower than the highest point of the baffle plate.

As a preferable mode of the present invention, the cover plate includes a top plate and a surrounding plate disposed at a lower peripheral edge of the top plate, the vent hole is disposed on the top plate, an upper end of the supporting plate is higher than an upper end of the baffle plate, and a vent gap communicating the accommodating chamber and the third drainage passage is formed between the top plate and the baffle plate.

As a preferable mode of the utility model, one end of the cover plate is hinged on the vehicle body, the other end of the cover plate is a free end, the vehicle body is provided with a lifting oil cylinder, the cylinder body of the lifting oil cylinder is hinged on the vehicle body, and the piston rod of the lifting oil cylinder is hinged on the free end.

After the technical scheme is adopted, the splash falling on the cover plate enters the first drainage tank through the air holes, is conveyed to the second drainage tank from the outlet end of the first drainage tank and is discharged outside the vehicle body, and the gas in the accommodating cavity is exchanged through the air guide holes, the airflow channel and the air holes, so that the ventilation and drainage functions are realized.

Drawings

FIG. 1 is a schematic view of the pontoon bridge according to the utility model.

Fig. 2 is a partially exploded view schematically showing the pontoon according to the present invention (with a portion of the track removed).

Fig. 3 is a schematic top view of fig. 2.

FIG. 4 is a schematic view of the first drainage channel in combination with a partition plate according to the present invention.

Fig. 5 is a schematic structural view of an exhaust waterproofing mechanism of a pontoon bridge engine according to the utility model.

Fig. 6 is a schematic sectional view showing the exhaust waterproofing mechanism of a pontoon bridge engine according to the utility model.

Fig. 7 is a schematic view showing the construction of the rigid locking device for suspension of a pontoon bridge according to the utility model.

Fig. 8 is a schematic structural view of the guide mechanism of the present invention.

Fig. 9 is a schematic cross-sectional view illustrating an expanding device of the pontoon bridge platform according to the utility model.

Fig. 10 is a schematic view of another angle of the cross-sectional structure of the extending device of the pontoon bridge platform according to the utility model.

Fig. 11 is a partial structural view of the first stage according to the present invention.

In the figure:

track 11 of vehicle body 10

First platform 12 second platform 13

Lifting cylinder 14 accommodating chamber 15

Fourth articulated shaft 17 of overturning oil cylinder 16

First sprocket 111 of propeller 18

Second sprocket 112 plate 113

Top plate 21 of cover plate 20

Brattice 22 breather 23

First bottom plate 31 of first drain tank 30

First side plate 32 water flow passage 33

Partition 34 ventilation channel 35

Second drain groove 40 support plate 41

Exhaust hole 43 of baffle 42

Third drain passage 44

Exhaust pipe 50 first pipe body 51

Second tube 52 connecting tube 53

First wheel carrier 61 of guide mechanism 60

Second wheel carrier 62 pallet 63

First mounting base 64 first mounting shaft 65

Second mounting shaft 66 first abutment 67

Second support 68 first damping spring 69

Second damping spring 610 first guide wheel 611

Second guide wheel 612 and first axle 613

Second axle 614 first positioning cylinder 615

Second positioning cylinder 616

First pin 71 of linear driving mechanism 70

Second pin 72 third pin 73

Push rod 74

First guide groove 81 and second guide groove 82

Mounting groove 83 rail wheel 84

Guide rail 85

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the embodiments.

Referring to fig. 1 to 11, the pontoon bridge according to the present invention includes a body 10, crawler traveling mechanisms disposed on both sides of the body 10, and platforms disposed on both sides of the body 10, wherein the body 10 is provided with a cab (not shown), the platforms are of a foldable structure and have a large buoyancy to support the entire body 10 to float on the water, and the body 10 is further provided with a propeller mechanism to realize two-way traveling of the body 10 in a waterway.

The utility model provides a waterproof and breathable device for a pontoon bridge cover plate, which comprises a vehicle body 10, wherein an accommodating cavity 15 is arranged in the vehicle body 10, a cover plate 20 is arranged at the opening part of the accommodating cavity 15, an air hole 23 is arranged on the cover plate 20, the air hole 23 is rectangular, a first drainage groove 30 is arranged on the vehicle body 10 corresponding to the opening part of the accommodating cavity 15, a second drainage groove 40 is arranged on the vehicle body 10 corresponding to the peripheral edge of the opening part of the accommodating cavity 15, the first drainage groove 30 is arranged along the horizontal direction, the second drainage groove 40 is arranged along the horizontal direction, and the first drainage groove 30 and the second drainage groove 40 are arranged vertically. The outlet end of the first drain groove 30 is provided corresponding to the second drain groove 40 and is located above the second drain groove 40, and the outlet end of the second drain groove 40 extends to the outside of the vehicle body 10. The first water discharge groove 30 is provided with a plurality of partition plates 34, in the utility model, the partition plates 34 play a role of water blocking, when water spray enters the first water discharge groove 30 from the air holes 23, the water spray can be guided downwards to the bottom of the first water discharge groove 30 through the partition plates 34, an air flow channel communicated with the accommodating chamber 15 is formed between the adjacent partition plates 34, the air flow channel is communicated with the air holes 23, a water flow channel is formed between each partition plate 34 and the first water discharge groove 30, the upper end of each partition plate 34 is higher than the upper end of the first water discharge groove 30, and an air guide port is formed between the upper end of the first water discharge groove 30 and the lower end face of the cover plate 20. The waterproof of the present invention means that when the amount of water is small, the water enters the first drain groove 30 through the vent hole 23 and is discharged through the second drain groove 40. When the water amount is large, for example, the cover plate 20 is submerged, the water will enter the accommodating chamber 15 through the airflow channel, which is not the case in the application of the present application.

In a preferred embodiment of the present invention, the first drain tank 30 extends in the longitudinal direction of the vehicle body 10, the first drain tank 30 includes a first bottom plate 31 and first side plates 32 provided on both sides of the first bottom plate 31 in the width direction, the first side plates 32 are provided perpendicular to the first bottom plate 31, and the plurality of partitions 34 are arranged in the longitudinal direction of the first bottom plate 31.

In a preferred embodiment of the present invention, both ends of the partition plate 34 are fixed to the two first side plates 32, respectively, and the water flow channel 33 is formed between the lower end of the partition plate 34 and the first bottom plate 31.

In a preferred embodiment of the present invention, the second drain groove 40 is a channel with an upward opening, the second drain groove 40 extends in the width direction of the vehicle body 10, and the second drain groove 40 may drain water at both ends to discharge water to both sides of the vehicle body 10.

As a preferable mode of the present invention, a baffle plate 42 and a support plate 41 are further disposed on the peripheral edge of the vehicle body 10 and the accommodating chamber 15, the baffle plate 42 and the support plate 41 are disposed along the vertical direction, a third drainage channel 44 is formed between the baffle plate 42 and the support plate 41, a plurality of exhaust holes 43 are disposed on the support plate 41, the lowest point of the exhaust hole 43 is lower than the highest point of the baffle plate 42, and when water splash enters the third drainage channel 44 from the exhaust hole 43, water in the third drainage channel 44 flows out from the lower point of the exhaust hole 43, so as to realize drainage.

As a preferred mode of the present invention, the cover plate 20 includes a top plate 21 and a surrounding plate 22 disposed at a lower peripheral edge of the top plate 21, the top plate 21 is disposed along a horizontal direction, the vent holes 23 are disposed on the top plate 21, an upper end of the support plate 41 is higher than an upper end of the baffle plate 42, a vent gap communicating the accommodating chamber 15 and the third drainage channel 44 is formed between the top plate 21 and the baffle plate 42, and gas in the container chamber is exchanged with the outside through the vent gap and the vent hole 43.

As a preferred mode of the present invention, one end of the cover plate 20 is hinged to the vehicle body 10, the other end of the cover plate 20 is a free end, the vehicle body 10 is provided with a lift cylinder, a cylinder body of the lift cylinder 14 is hinged to the vehicle body 10, a piston rod of the lift cylinder 14 is hinged to the free end, and the cover plate 20 is opened and closed by the extension and contraction of the lift cylinder 14.

The utility model also provides an exhaust waterproof mechanism of a pontoon bridge engine, which comprises a vehicle body 10, wherein an accommodating cavity 15 is arranged in the vehicle body 10, an engine is arranged in the accommodating cavity 15, the engine is connected with an exhaust pipe 50, one end of the exhaust pipe 50, which is connected with the engine, is an inlet end, the other end of the exhaust pipe is an outlet end, the outlet end is provided with a first pipe body 51, and particularly, the exhaust pipe 50 and the first pipe body 51 are fixedly connected or welded by adopting an adhesive. The outlet end of the exhaust pipe 50 is communicated with a first pipe body 51, two ends of the first pipe body 51 in the axial direction are closed, a second pipe body 52 is arranged below the first pipe body 51, two ends of the second pipe body 52 in the axial direction are communicated, the second pipe body 52 is communicated with the first pipe body 51, two ends of the second pipe body 52 extend out of the vehicle body 10, in the embodiment, the second pipe body 52 is arranged in the accommodating chamber 15 and penetrates out of the vehicle body 10 from the accommodating chamber 15, specifically, the second pipe body extends out of the upper portion of the side face of the vehicle body 10, and the first pipe body 51 is arranged in the vehicle body 10.

In a preferred embodiment of the present invention, the first pipe 51 and the second pipe 52 are both disposed in a horizontal direction, and are disposed in parallel.

In a preferred embodiment of the present invention, the first pipe 51 and the second pipe 52 are communicated with each other by a connecting pipe 53, the connecting pipe 53 is disposed in a vertical direction, an upper end of the connecting pipe 53 is connected to a peripheral wall of the first pipe 51, and a lower end of the connecting pipe 53 is connected to a peripheral wall of the second pipe 52. By adopting the technical scheme of the utility model, the first pipe body 51 is positioned above, two ends of the first pipe body are closed, water splash cannot splash into the first pipe body 51, after the water splash splashes into the second pipe body 52, because two ends of the second pipe body 52 are communicated, the water splash can flow from one end of the second pipe body 52 to the other end, so that a drainage function is realized, and tail gas of an engine can be discharged from two ends of the second pipe body 52 through the exhaust pipe 50, the first pipe body 51 and the second pipe body 52 through the first pipe body 51, so that an exhaust function is realized.

The utility model also provides a pontoon bridge suspension rigid locking device, which comprises a vehicle body 10, a first chain wheel 111 arranged on the vehicle body 10, a second chain wheel 112 arranged on the vehicle body 10, a crawler belt 11 sleeved on the first chain wheel 111 and the second chain wheel 112, and a guide mechanism 60 for guiding the crawler belt 11, wherein two crawler belts 11 are respectively arranged at the left side and the right side of the vehicle body 10, the first chain wheel 111, the second chain wheel 112 and the guide mechanism 60 are correspondingly arranged on the crawler belt 11, and a plurality of guide mechanisms 60 are arranged. The guide mechanism 60 includes a supporting plate 63, a first wheel frame 61 hinged on the supporting plate 63, a second wheel frame 62 hinged on the supporting plate 63, a first guide wheel 611 mounted on the first wheel frame 61, and a second guide wheel 612 mounted on the second wheel frame 62, wherein one end of the first wheel frame 61 is a first hinged end hinged on the supporting plate 63, the other end is a first swinging end, one end of the second wheel frame 62 is a second hinged end hinged on the supporting plate 63, the other end is a second swinging end, and the first wheel frame 61, the second wheel frame 62, and the track 11 enclose a triangle. A first damping spring 69 is arranged between the first swinging end and the supporting plate 63, a second damping spring 610 is arranged between the second swinging end and the supporting plate 63, and the first damping spring 69 and the second damping spring 610 are arranged along the vertical direction. The utility model further comprises a first positioning oil cylinder 615, the first positioning oil cylinder 615 is arranged along the vertical direction, a cylinder body of the first positioning oil cylinder 615 is installed on the supporting plate 63, a piston rod of the first positioning oil cylinder 615 extends downwards and is arranged corresponding to the first swinging end, and the axes of the first guide wheel 611 and the second guide wheel 612 are arranged along the horizontal direction.

As a preferable mode of the present invention, the supporting plate 63 is provided with a first mounting seat 64 and a second mounting seat extending vertically downward, the first mounting seat 64 and the second mounting seat are respectively arranged at the left and right sides of the supporting plate 63, the first wheel frame 61 is mounted on the first mounting seat 64 and the second mounting seat through a first mounting shaft 65, the second wheel frame 62 is mounted on the first mounting seat 64 and the second mounting seat through a second mounting shaft 66, the first mounting shaft 65 and the second mounting shaft 66 are both arranged in the horizontal direction, the first wheel frame 61 can swing around the axis of the first mounting shaft 65, and the second wheel frame 62 can swing around the axis of the second mounting shaft 66.

In a preferred embodiment of the present invention, two first guide wheels 611 are provided, two first guide wheels 611 are mounted on the first wheel frame 61 via a first wheel shaft 613, two second guide wheels 612 are provided, and two second guide wheels 612 are mounted on the second wheel frame 62 via a second wheel shaft 614.

As a preferred embodiment of the present invention, the first wheel frame 61 is provided with a first support 67, the first damping spring 69 is disposed between the first support 67 and the supporting plate 63, a piston rod of the first positioning cylinder 615 downwardly penetrates through the supporting plate 63 and is disposed corresponding to the first support 67, and a piston rod of the first positioning cylinder 615 is disposed corresponding to the first damping spring 69 and can penetrate through the first damping spring 69 and abut against the first support 67.

As a preferable mode of the present invention, the second wheel frame 62 is provided with a second support 68, the second damping spring 610 is disposed between the second support 68 and the supporting plate 63, and the present invention further includes a second positioning oil cylinder 616, the second positioning oil cylinder 616 is disposed along the vertical direction, a cylinder body of the second positioning oil cylinder 616 is fixed on the supporting plate 63, and a piston rod of the second positioning oil cylinder 616 downwardly penetrates through the supporting plate 63 and is disposed corresponding to the second support 68.

In a preferred embodiment of the present invention, the vehicle body 10 is horizontally disposed on a platform 113, and the pallet 63 is mounted on the platform 113. In a preferred embodiment of the present invention, the guide mechanism 60 is provided in plurality, and the plurality of guide mechanisms 60 are arranged along the longitudinal direction of the vehicle body 10. When the pontoon bridge walks, utilize the elasticity of first damping spring 69 and second damping spring 610, can make the pontoon bridge walk on uneven road surface better, when carrying out the operation, the piston rod through first location hydro-cylinder 615 supports first wheel carrier 61 and presses on track 11, preferably, can support second wheel carrier 62 through the piston rod of second location hydro-cylinder 616 and press on track 11, from keeping the shape of track 11, when the pontoon bridge atress, platform on whole automobile body and the automobile body is difficult for rocking, guarantees vehicle and personnel smooth movement on the pontoon bridge.

The utility model also provides a stretching device of the pontoon bridge platform, which comprises a vehicle body 10, a first platform 12 connected on the vehicle body 10 and a second platform 13 connected on the first platform 12, wherein in the attached drawings of the specification, the first platform 12 and the second platform 13 are shown in an unfolded state, the second platform 13 is connected on the first platform 12 through a first pin shaft 71 and a second pin shaft 72, the second pin shaft 72 is positioned above the first pin shaft 71, and the first pin shaft 71 and the second pin shaft 72 are both arranged along the horizontal direction. The second platform 13 is arranged in a manner of being capable of rotating around the axis of the first pin shaft 71, the second pin shaft 72 is connected with a push rod 74, the push rod 74 is arranged perpendicular to the second pin shaft 72, the push rod 74 is sleeved on the second pin shaft 72, one end of the push rod 74 is connected with the second pin shaft 72, the other end of the pin shaft is hinged with the linear driving mechanism 70, and the second platform 13 is arranged in a manner of being capable of rotating along the axis of the second pin shaft 72. The first platform 12 is provided with an installation groove 83 for installing the linear driving mechanism 70, a first guide groove 81 for guiding the push rod 74 to move and a second guide groove 82 for guiding the push rod 74 to swing, the installation groove 83, the first guide groove 81 and the second guide groove 82 are sequentially connected, the first guide groove 81 is arranged between the installation groove 83 and the second guide groove 82, and the second guide groove 82 penetrates through the end face of the first platform 12.

As a preferred embodiment of the present invention, the first pin 71 is disposed at a lower end of the second platform 13, the lower end of the first platform 12 is connected to the lower end of the second platform 13 by a hinge, and the first pin 71 is a rotation shaft of the hinge.

As a preferred aspect of the present invention, the groove width of the second guide groove 82 in the vertical plane gradually increases from the first guide groove 81 to the end surface of the first platform 12, and as described in the drawings, the groove width of the second guide groove 82 in the height direction gradually increases from the first guide groove 81 to the end surface of the first platform 12, that is, as the push rod 74 moves outward, it may have a larger up-down swing space. In the present invention, the width of the first guide groove 81 in the height direction is larger than the width of the push rod 74 in the height direction, so that the push rod 74 can swing with a small amplitude in the first guide groove 81.

In a preferred embodiment of the present invention, the linear driving mechanism 70 is an oil cylinder, a cylinder body of the oil cylinder is hinged to the vehicle body 10, and a piston rod of the oil cylinder is hinged to the push rod 74 through a third pin 73.

In a preferred embodiment of the present invention, the third pin 73 is provided with two rail wheels 84, the second platform 13 is provided with two guide rails 85 on which the rail wheels 84 roll, the two guide rails 85 are respectively provided on both sides of the first guide groove 81 and the second guide groove 82, the two rail wheels 84 are respectively mounted on the guide rails 85, and the guide rails 85 are arranged in parallel with the oil cylinders.

As a preferred mode of the present invention, the upper end of the first platform 12 is hinged to the vehicle body 10 through a fourth pin 17, the vehicle body 10 is provided with a tilting cylinder 16 for driving the first platform 12 to rotate, a cylinder body of the tilting cylinder 16 is hinged to the vehicle body 10, and a piston rod of the tilting cylinder 16 is hinged to the first platform 12. After the technical scheme of the utility model is adopted, the push rod 74 can be driven to move by the linear driving mechanism, so that the second platform 13 rotates around the axis of the first pin shaft 71, the push rod 71 can rotate around the linear driving mechanism after moving for a certain distance and swings in the second guide groove 82, and the second platform 13 can be turned over by a larger angle, so that the second platform 13 can be folded more greatly, and the space is saved.

The product form of the present invention is not limited to the embodiments, and any suitable changes or modifications of the similar ideas by anyone should be considered as not departing from the patent scope of the present invention.

Claims (7)

1. Waterproof ventilation unit of pontoon bridge apron, including the automobile body, be equipped with the accommodation chamber in the automobile body, the oral area of accommodation chamber is equipped with the apron, is equipped with bleeder vent, its characterized in that on the apron: the automobile body is provided with a first drainage groove corresponding to the mouth of the accommodating cavity, a second drainage groove is arranged on the periphery of the automobile body corresponding to the mouth of the accommodating cavity, the outlet end of the first drainage groove corresponds to the second drainage groove and is located above the second drainage groove, the outlet end of the second drainage groove extends out of the automobile body, a plurality of partition plates are arranged in the first drainage groove, an airflow channel communicated with the accommodating cavity is formed between every two adjacent partition plates, the airflow channel is communicated with the air holes, a water flow channel is formed between each partition plate and the first drainage groove, the upper end of each partition plate is higher than the upper end of the corresponding first drainage groove, and an air guide port is formed between the upper end of the corresponding first drainage groove and the lower end face of the corresponding cover plate.

2. The waterproof and breathable bridge deck assembly of claim 1, wherein: the first drainage channel extends along the length direction of the vehicle body, the first drainage channel comprises a first bottom plate and first side plates arranged on two sides of the first bottom plate in the width direction, and a plurality of partition plates are arranged along the length direction of the first bottom plate.

3. The waterproof and breathable device for a wippen cover according to claim 2, characterized in that: the two ends of the partition board are respectively fixed on the two first side boards, and the water flow channel is formed between the lower end of the partition board and the first bottom board.

4. The waterproof and breathable device for a wippen cover according to claim 3, characterized in that: the second water drainage tank is a channel steel with an upward opening, and the second water drainage tank extends along the width direction of the vehicle body.

5. The waterproof and breathable boat bridge deck according to claim 4, wherein: the periphery of the car body and the containing cavity is further provided with a baffle and a support plate, a third drainage channel is formed between the baffle and the support plate, the support plate is provided with a plurality of exhaust holes, and the lowest points of the exhaust holes are lower than the highest point of the baffle.

6. The waterproof and breathable device for a wippen cover according to claim 5, wherein: the apron includes the roof and sets up the bounding wall on the lower periphery of roof, the bleeder vent sets up on the roof, the upper end of backup pad is higher than the upper end of baffle, the roof with form the intercommunication between the baffle the accommodation chamber with third drainage channel's ventilative clearance.

7. The waterproof and breathable boat bridge deck according to claim 6, wherein: one end of the cover plate is hinged to the vehicle body, the other end of the cover plate is a free end, a lifting oil cylinder is arranged on the vehicle body, a cylinder body of the lifting oil cylinder is hinged to the vehicle body, and a piston rod of the lifting oil cylinder is hinged to the free end.

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