Embedded access cover for PCTC ship structure air duct

Abstract

The invention relates to an embedded access cover for a PCTC ship structure air duct, and relates to the field of ship construction technical equipment, the embedded access cover comprises a coaming, a supporting piece is fixedly connected to the interior of the coaming, a cover plate is fixedly connected to the top end of the supporting piece, and the side wall of the side, away from the supporting piece, of the cover plate is lower than the top end of the coaming. The access cover has the effects that protruding structures of the access cover are reduced, and the installation requirement is met.

Description

Technical Field

[0001] The present application relates to the field of shipbuilding technical equipment, and in particular to an embedded inspection cover for a PCTC ship structure air duct. Background Art

[0002] On a PCTC (Pure Car and Truck Carrier) ship, there are many air ducts and a large number of inspection holes, about two hundred in total. In order to ensure the normal operation and maintenance of the ship, these inspection holes need to be equipped with inspection covers.

[0003] Some walls have fire protection requirements and are not allowed to have any protrusions. This requires that the design and installation of the access cover must meet multiple requirements, including safety, fire protection performance and overall requirements for the ship's appearance. Summary of the invention

[0004] In order to reduce the protruding structure of the inspection cover and meet the installation requirements, the present application provides an embedded inspection cover for the PCTC ship structure air duct.

[0005] The embedded inspection cover for the PCTC ship structure air duct provided in this application adopts the following technical solution:

[0006] The embedded inspection cover for the air duct of the PCTC ship structure includes a panel, the interior of the panel is fixedly connected to a support member, the top of the support member is fixedly connected to a cover plate, and the side wall of the cover plate facing away from the support member is lower than the top of the panel.

[0007] Optionally, the support member includes a seat ring, the seat ring is fixedly connected to the enclosure plate, the seat ring and the enclosure plate are arranged parallel to each other, and the seat ring and the cover plate are relatively fixedly connected.

[0008] Optionally, a gasket is provided between the seat ring and the cover plate, the top end of the gasket abuts against the cover plate, and the bottom end of the gasket abuts against the seat ring.

[0009] Optionally, bolts are vertically provided at the overlapping parts of the seat ring, the gasket and the cover plate, and the bolts fix the seat ring, the gasket and the cover plate together.

[0010] Optionally, a plurality of bolts are arranged along the circumference of the cover plate.

[0011] Optionally, the gasket is a ceramic fiber gasket.

[0012] Optionally, the cover plate includes a covering transverse plate, a side of the covering transverse plate facing inward is pressed with a concave portion, and an opening component is arranged inside the concave portion.

[0013] Optionally, the opening assembly includes an opening rod, the opening rod is located inside the pressing concave portion, and the opening rod is fixedly connected to the cover plate.

[0014] Optionally, the concave portion is an arc-shaped structure, and the concave portion is bent toward a side close to the interior.

[0015] Optionally, the radius of the concave portion is 50 mm.

[0016] In summary, the present application includes at least one of the following beneficial technical effects:

[0017] 1. Compared with traditional covers, it is lighter and has lower cost.

[0018] 2. It has fireproof effect.

[0019] 3. Caps of the same type are interchangeable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a top view of the overall structure of the embedded inspection cover for the PCTC ship structure air duct in the embodiment of the present application.

[0021] Figure 2 It is a side view of the overall structure of the embedded inspection cover for the PCTC ship structure air duct in the embodiment of the present application.

[0022] Figure 3 It is a structural schematic diagram of the seat ring position of the embedded inspection cover for the PCTC ship structure air duct in the embodiment of the present application.

[0023] Explanation of the reference numerals: 1. enclosure; 2. seat ring; 3. gasket; 4. cover plate; 41. covering horizontal plate; 42. concave portion; 43. opening rod; 5. bolt. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0026] On a PCTC (Pure Car and Truck Carrier) ship, there are many air ducts and a large number of inspection holes, about two hundred in total. In order to ensure the normal operation and maintenance of the ship, these inspection holes need to be equipped with inspection covers.

[0027] Some walls have fire protection requirements and are not allowed to have any protrusions. This requires that the design and installation of the access cover must meet multiple requirements, including safety, fire protection performance and overall requirements for the ship's appearance.

[0028] In order to reduce the protruding structure of the inspection cover and meet the installation requirements, the present application provides an embedded inspection cover for the PCTC ship structure air duct.

[0029] The following is combined with Figure 1-3 This application is described in further detail.

[0030] The present application embodiment discloses an embedded inspection cover for a PCTC ship structure air duct. Figure 1 , Figure 2 The embedded inspection cover for the air duct of the PCTC ship structure includes a coaming 1 fixed in the hole of the structure. The coaming 1 is a structural shape that matches the opening, and the coaming 1 is fixedly connected to the structure. The coaming 1 is vertically arranged, and the outer side of the coaming 1 is relatively connected to the structure. A seat ring 2 is horizontally arranged inside the coaming 1, and the end of the seat ring 2 close to the coaming 1 is fixedly connected to the coaming 1.

[0031] Reference Figure 2 , Figure 3 The side of the seat ring 2 close to the structural air duct is the inner side of the seat ring 2, and the side of the seat ring 2 away from the structural air duct is the outer side of the seat ring 2. A gasket 3 is arranged on the outer side of the seat ring 2, and the gasket 3 is fixedly connected to the seat ring 2. In some embodiments, the gasket 3 is a ceramic fiber gasket 3.

[0032] A cover plate 4 is fixedly connected to the side of the gasket 3 away from the seat ring 2, and the side wall of the cover plate 4 away from the seat ring 2 is a horizontal structure, and the cover plate 4 is arranged parallel to the seat ring 2, and the side wall of the cover plate 4 away from the inner side of the seat ring 2 is not provided with a structure protruding outward. The surface of the cover plate 4 on one side close to the outer side of the seat ring 2 is lower than the top wall of the seat ring 2.

[0033] The cover plate 4 is pressed against the seat ring 2 through the gasket 3, and bolts 5 are vertically arranged at the position of the cover plate 4 relative to the gasket 3, and the bolts 5 fix the cover plate 4, the gasket 3 and the seat ring 2, and multiple bolts 5 are arranged along the circumferential direction of the cover plate 4. In some embodiments, 12 bolts 5 are arranged along the circumference of the cover plate 4.

[0034] Reference Figure 1 , Figure 2 The cover plate 4 includes a covering transverse plate 41, the side wall of the covering transverse plate 41 is opposite to the gasket 3, and a concave portion 42 is provided on the surface of the covering transverse plate 41, and the concave portion 42 is formed by concavely pressing toward a side close to the inner side of the seat ring 2, and the concave structure is an arc structure, and the radius of the arc is 50 mm.

[0035] Two pressing concave portions 42 are oppositely arranged, and the two pressing concave portions 42 are symmetrically arranged along the central axis of the cover plate 4 .

[0036] An opening rod 43 is horizontally arranged inside the pressing concave portion 42 . The opening rod 43 is coaxially arranged with the axis of the pressing concave portion 42 . The end of the opening rod 43 is fixedly connected to the cover plate 4 . The opening rod 43 facilitates the operator to open the cover plate 4 .

[0037] In some embodiments, the diameter of the structural opening is 746 mm, the inner diameter of the seat ring 2 is 600 mm, the spacing between the axes of the two bolts 5 at the maximum spacing is 660 mm, the length of the depression 42 is 140 mm, and the spacing between the two opposite opening rods 43 is 300 mm.

[0038] Compared with traditional covers, the cover plate 4 of the present application is lighter, has lower cost, and has fireproof effect. The cover plates 4 of the same type can be replaced with each other.

[0039] In this application, the term "plurality" means at least two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0040] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. The embedded inspection cover for PCTC ship structure air duct is characterized by: It comprises a panel (1), wherein a support member is fixedly connected to the interior of the panel (1), a cover plate (4) is fixedly connected to the top of the support member, and a side wall of the cover plate (4) facing away from the support member is lower than the top of the panel (1).

2. The embedded inspection cover for the PCTC ship structure air duct according to claim 1 is characterized in that: The support member comprises a seat ring (2), the seat ring (2) is fixedly connected to the enclosure (1), the seat ring (2) and the enclosure (1) are arranged in parallel, and the seat ring (2) and the cover plate (4) are relatively fixedly connected.

3. The embedded inspection cover for the PCTC ship structure air duct according to claim 2 is characterized in that: A gasket (3) is provided between the seat ring (2) and the cover plate (4), the top end of the gasket (3) abuts against the cover plate (4), and the bottom end of the gasket (3) abuts against the seat ring (2).

4. The embedded inspection cover for the PCTC ship structure air duct according to claim 3 is characterized in that: Bolts (5) are vertically arranged at the overlapping parts of the seat ring (2), the gasket (3) and the cover plate (4), and the bolts (5) fix the seat ring (2), the gasket (3) and the cover plate (4) together.

5. The embedded inspection cover for the PCTC ship structure air duct according to claim 4 is characterized in that: A plurality of the bolts (5) are arranged along the circumference of the cover plate (4).

6. The embedded inspection cover for the PCTC ship structure air duct according to claim 3 is characterized in that: The gasket (3) is a ceramic fiber gasket (3).

7. The embedded inspection cover for the PCTC ship structure air duct according to claim 1 is characterized in that: The cover plate (4) comprises a covering transverse plate (41), a concave portion (42) is pressed on one side of the covering transverse plate (41) facing inwards, and an opening component is arranged inside the concave portion (42).

8. The embedded inspection cover for the PCTC ship structure air duct according to claim 7 is characterized in that: The opening assembly comprises an opening rod (43), the opening rod (43) is located inside the depression (42), and the opening rod (43) is fixedly connected to the cover plate (4).

9. The embedded inspection cover for the PCTC ship structure air duct according to claim 7 is characterized in that: The concave portion (42) is an arc-shaped structure, and the concave portion (42) is bent toward a side close to the interior.

10. The embedded inspection cover for the PCTC ship structure air duct according to claim 9, characterized in that: The radius of the concave portion (42) is 50 mm.

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