JP6437601B1 - Parent-child flash type cement hole and glen hole member for hatch cover, and cement hole and glen hole structure for hatch cover using the same - Google Patents

Abstract

The present invention provides a parent-child flash type cement / glenhole member for a hatch cover that can be flush with the surface of the hatch cover, and a cement / glenhole structure for a hatch cover using the same. (Bulk carrier) Cargo dredge hatch cover 101 A hollow disk-shaped outer projecting flange portion that is spanned between cement hole mounting upper plates 114 provided on the inside of the cement / Glenhole pipe and becomes a cement hatch cover after installation. 2, a middle pipe portion 3 that is joined and disposed below the hollow circular end of the outer projecting flange portion 2, and projects from the middle pipe portion 3 toward the center of the hollow circle. A hollow disk-shaped inner projecting flange portion 4 which is the upper height position of the upper plate 114 during installation, and the outer projection It has the same thickness as that of the output flange portion 2 and a Glen hatch cover 19 juxtaposed with the outer protruding flange portion 2. [Selection] Figure 4

Description

  The present invention relates to a parent-child type flash-type cement hole and glen hole member for cargo lid opening lid (hereinafter referred to as “hatch cover”) of a bulk carrier, and a cement hole and glen hole for a hatch cover using the same. Concerning structure.

  The cargo cover hatch cover of a bulk carrier (bulk carrier) has a cement hole (“cement hatch”) so that it can be loaded with the hatch cover in place at the opening of the cargo shed when the cargo is loaded with dust or rain. And a small hatch called a Glenhole (also referred to as “Glen hatch”). Generally, a cement hole is a small hatch with a diameter of about 800 mmφ and a Glenhole with a diameter of about 400 mmφ. is there.

  These cement halls and glenholes are loaded rather than removing the entire hatch cover when loading powdered or granular cargo that is initially cement powder or glen (grain flour such as wheat flour). It was a special small hatch on the hatch cover of a bulk carrier ship that is used in consideration of dust prevention and rainy weather, but it uses cement hole because it is a cement cargo handling, and uses a grain hole because it is a grain powder handling Rather, a large hatch cement hole and a small hatch glen hole are used properly according to the size of the loading hose (loading device) for powdered and granular cargo installed on the land side during cargo handling.

  In addition, if these cement holes and glen holes are provided separately on the hatch cover separately, as shown in FIG. 6, a double-structure parent and child in which the cement holes and glen holes are overlapped on the same central axis. For example, as shown in FIG. 6, two cement / glenholes and glenholes (hereinafter referred to as “cement / glenholes”) are installed for one cargo fence hatch cover. Depending on the installation of the Glen Hall, the owner's request, etc., one hatch cover is appropriately arranged by increasing the number to four. Furthermore, there are two types of cement / glen holes of this type on the hatch cover: a protrusion type in which the components of the hole protrude from the hatch cover surface and a flash type in which the components of the hole do not protrude from the hatch cover surface.

  Protruding type cement / glenhole protrudes when a helicopter takeoff / landing deck (heliceck) is used on a wood cover or on a hatch cover as shown in Japanese Patent Application Laid-Open No. 2017-024595 because fittings jump out on the hatch cover. The type of cement / glenhole cannot be used. Therefore, it is required to employ a flash type cement / glen hole in which the fitting does not protrude. Hereinafter, a conventional parent-child flash type cement / glenhole will be described with reference to the drawings.

  FIG. 6 is a schematic view of the bulk carrier ship as viewed from the stern to the bow direction, and is a schematic view showing an example in which two parent-child flash type cement / glen holes are provided on one hatch cover. , Reference numeral 100 is a bulk carrier (bulk carrier), 101a, 101b,... Are hatch covers, 102a, 102b, 102c, 102d are parent-child flash type cement / Glenholes, 103 is a cargo cage, 104 is an upper deck, 105a, 105b, 105c, 105d is a deck crane pole.

  FIG. 7A is a cross-sectional view showing the conventional parent-child flash type cement / Glenhole structure shown in FIG. 6, and FIG. 7B is a view of “A” portion shown in FIG. It is a fragmentary sectional view. 7A and 7B, reference numeral 101 denotes a hatch cover, and FIG. 7 shows the surface thereof. Further, 102 is a conventional parent-child flash type cement / glen hole, 110 is a cement hole, 111 is a glen hole, 112 is an upper outer plate, and 113 is a pipe to which the cement / glen hole is attached. The attachment pipe 113 is welded to the back surface of the hatch cover 101 by an upper outer plate 112 protruding outside the upper portion of the attachment pipe 113. Further, 114 is an upper plate for attaching a cement hole provided inside the pipe 113, 115 is a recess formed on the surface of the hatch cover 101 by the conventional parent-child flash type cement / Glen hole 102, and 116 is Cement hatch screw bolt, 117 is cement hatch seal, 118 is cement hatch nut, 119 is cement hatch cover, 120 is Glen hatch screw bolt, 121 is Glen hatch seal, 122 is Glen hatch nut, 123 is The Glen hatch cover plate 125 is a fixed handle, 126 is a lower outer plate, 127 is an internal framework of the hatch cover 101, and the lower outer plate 126 is fixed by welding.

The upper outer plate 112 used in the conventional parent-child flash type cement / Glenhole 102 shown in FIG. 7 has a thickness of 12 mm, which is formed on the rear surface of the hatch cover 101 having a thickness of 8 mm. Welded.
However, as shown in FIGS. 7A and 7B, the cement / glen hole 102 having a structure in which the parent-child flash type fitting does not protrude from the surface of the hatch cover 101 is structurally composed of the cement hole 110 and the glen hole. As shown in FIG. 7, the hole 111 has a structure in which the holes 111 are stacked in a staircase shape, so that the recess 115 is inevitably formed around the hole 111, and rainwater or the like accumulates in the recess 115. When the cover 101 is opened and when the cement hatch cover 119 and the glenhole cover 124 are opened, there is a problem that water accumulated in the outer depression 115 flows into the cargo cage 103 and causes cargo damage.

Japanese Patent Laid-Open No. 2017-024595

  Therefore, in the present invention, after the cement hole is installed, the grain hole structure is not stacked on the top as it is, but the level difference between the cement hole and the grain hole is eliminated by lowering the level by one level and flushing with the hatch cover surface. It is possible to provide a parent-child flash type cement / glenhole member for a hatch cover and a cement / glenhole structure for a hatch cover using the same.

In order to solve the above-mentioned problems, the invention according to claim 1 of the present application is a member that can be installed in a cement / glen hole pipe of a cargo-hatch cover of a bulk carrier, and the cement / glen A hollow disk-shaped outer projecting flange section spanned between cement hole mounting upper plates provided on the inner side of the hole pipe, and a middle pipe section joined and disposed below the hollow circular end of the outer projecting flange section When a hollow disk-shaped inner projecting flange portion protruding toward the center of the hollow circle from the the pipe section, Tona is, that it has a threaded hole for eyebolt hanging on the outer projecting flange portions.
Further, the invention according to claim 2 of the present application is the parent-child flash type cement / glenhole member for a hatch cover according to claim 1, wherein the outer projecting flange portion is welded through from below the upper plate. And a plurality of bolt holes opened for a plurality of bolts and a plurality of nuts screwed into the bolts.
The invention according to claim 3 of the present application is the hatch cover parent-type flash type cement / glenhole member according to claim 1 or 2 , wherein the inner projecting flange portion is welded so as to penetrate from below. It has a plurality of bolt holes opened for a plurality of bolts and a plurality of nuts screwed into the bolts.
Further, the invention according to claim 4 of the present invention is a cement / glenhole structure of a cargo ship hatch cover of a bulk carrier (bulk carrier), and a cement / glenhole pipe of a cargo ship hatch cover of a bulk carrier (bulk carrier). A hollow disk-shaped outer projecting flange part that spans between the upper plates for cement hole installation on the inside and becomes a cement hatch cover after installation, and a downwardly arranged joint below the hollow circular end of the outer projecting flange part An intermediate pipe portion that protrudes toward the center of the hollow circle from the middle pipe portion, and a hollow disk-shaped inner protruding flange portion whose upper height position is the upper height position of the upper plate when installed, It has the same thickness as that of the outer protruding flange portion, and a Glen hatch cover juxtaposed with the outer protruding flange portion.
Furthermore, the invention according to claim 5 of the present application is the cement / glenhole structure of the cargo-hatch cover of the bulk carrier according to claim 4 , wherein the gap between the upper plate and the outward projecting flange portion is the same. And / or a height adjusting plate is interposed between the inner projecting flange portion and the Glen hatch cover.

In the present invention, after the cement hole is installed, the grain hole structure is not stacked on top of the cement hole as it is, but the level difference between the cement hole and the grain hole is eliminated by lowering the level by one step to be flush with the hatch cover surface. Therefore, the space where rainwater accumulates on the hatch cover can be reduced as much as possible.
In particular, about 31 L (liter) of water per hole was accumulated in the conventional cement / glenhole groove, but with the above structure, it can be reduced to about 5 L (liter). It was.

In addition, the risk of cargo damage has been reduced due to the reduced amount of water pools, and when a large amount of water has accumulated, the crew needs to scrape the water in the hall before opening the hatch. However, it is possible to save time and effort for such crew members.
In addition, there is no outfitting protruding from the hatch cover surface, and there are as many grooves as possible, so safety is improved and cargo damage due to rain water is reduced, resulting in improved shipper evaluation. .

FIG. 1 is a schematic perspective view exaggeratingly illustrating the shape of a parent-child flash type cement / glenhole member 1 for a hatch cover according to embodiment 1 which is an embodiment of the present invention. FIG. 2 is a cross-sectional view schematically illustrating a cement / glenhole structure 10 for a bulk carrier hatch cover according to a second embodiment. 3 is a partial cross-sectional view of the “A” portion shown in FIG. FIG. 4 is a schematic configuration diagram illustrating an assembly outline of the cement / glenhole structure 10 for a bulk carrier hatch cover according to the second embodiment. 6 is a schematic configuration diagram showing an outline of a cement / glenhole structure 22 for a bulk carrier hatch cover according to Embodiment 3. FIG. FIG. 6 is a schematic view of the bulk carrier ship as viewed from the stern to the bow direction, and shows an example in which two parent-child flash type cement / glen holes are provided on one hatch cover. FIG. 7A is a cross-sectional view showing the conventional parent-child flash type cement / Glenhole structure shown in FIG. 6, and FIG. 7B is a view of “A” portion shown in FIG. It is a fragmentary sectional view.

  One example of the form for carrying out the parent-child type flash type cement / Glenhole member for hatch covers concerning the present invention is described in detail based on a drawing.

  FIG. 1 is a schematic perspective view exaggeratingly illustrating the shape of a parent-child flash type cement / glenhole member 1 for a hatch cover according to embodiment 1 which is an embodiment of the present invention (actual dimensions are shown in FIG. 1). In FIG. 1, the vertical length of the actual length is exaggerated and greatly drawn, although the thickness is about 24 mm embedded in the hole for cement / glen opened in the 800 mmφ hatch cover 101. .)

  In FIG. 1, reference numeral 1 denotes a parent-child flash type cement / glenhole member for a hatch cover according to the first embodiment, 2 denotes a hollow disk-shaped outward projecting flange portion that becomes a cement hatch cover after installation, A cylindrical middle pipe portion 4 joined and disposed below the outer projecting flange portion 2 is a hollow disk-shaped inner projecting flange portion projecting from the middle pipe portion 3 toward the center, and the inner projecting flange portion. The upper height position of the part 4 is aligned with the upper height position of the upper plate 114 of the pipe 113 during installation. Further, 5a to 5x are bolt holes that open to the outer projecting flange portion 2, and 6a to 6l are bolt holes that open to the inner projecting flange portion 4 (hereinafter, when one bolt hole is shown, respectively). , Simply described as bolt hole 5 and bolt hole 6). Reference numerals 7a and 7b are hanging eye bolt screw holes.

  A parent-child flash type cement / glenhole member 1 for a hatch cover according to the first embodiment is a cement / glenhole member provided in a bulk carrier ship hatch cover 101, as shown in FIG. The cylindrical intermediate pipe portion 3 is joined and disposed at the lower outer side (circumferential direction) of the hollow disc portion of the hollow projecting flange portion 2 that functions as a cement hatch cover, and the cylindrical portion of the intermediate pipe portion 3 A hollow disk-shaped inner projecting flange portion 4 that functions as a member for arranging and fixing a later-described Glen hatch cover 19 at a predetermined distance from the outer projecting flange portion 2 below the outer projecting flange portion 2. The so-called reverse bowler hat (inverted top hat) shape (inverted top hat upside down) with an inward protruding flange inside Is. A Glen hatch cover is juxtaposedly arranged in the hollow portion of the outer projecting flange portion 2 as will be described later.

  The bolt hole 5 is through-joined from below to the upper plate 114 provided in the pipe 113 including a cement / glen hole provided on the back surface of the bulk carrier hatch cover 101 shown in FIGS. A bolt hole 5 through which the cement hatch screw bolt 116 is inserted. In the parent-child flash type cement / Glenhole member 1 for hatch cover according to the first embodiment, a total of 24 bolt holes 5a to 5x are provided. After the cement hatch screw bolt 116 is inserted, the hatch cover parent-child flash type cement / Glenhole member 1 according to the first embodiment is fixed in the pipe 113 by the nut 118. 1 parent-child flash type cement for hatch covers / Glenho Hollow disk-shaped surface of the seal member 1 functions as a cement hatch cover 119 described above.

  The bolt hole 6 is composed of a total of 12 bolt holes 6a to 6l in the hatch cover parent-type flash type cement / Glen hole member 1 according to the first embodiment. A bolt hole 6 through which a screw bolt 17 for fixing 19 is inserted, and the Glen hatch cover 19 is fixed by the inserted screw bolt 17 and nut 18, and a bulk carrier hatch cover according to a second embodiment described below. This will constitute a cement / glenhole structure for use.

Next, as a second embodiment of the present invention, an outline of a cement / glenhole structure for a bulk carrier hatch cover incorporating the parent-child flash type cement / glenhole member 1 for a hatch cover according to the first embodiment will be described with reference to the drawings. explain.
FIG. 2 is a cross-sectional view schematically showing a cement / glenhole structure 10 for a bulk carrier hatch cover according to a second embodiment, and corresponds to FIG. 7A showing a conventional example. FIG. 3 is a partial cross-sectional view of the “A” portion shown in FIG. 2, and similarly corresponds to the above-described FIG. 7B.

  2 and 3, reference numeral 10 denotes a cement / glenhole structure for a bulk carrier hatch cover according to the second embodiment, 13 denotes a cement hole packing, 14 denotes a glenhole packing, and 15 denotes a cement hatch screw bolt. The upper plate 114 is inserted into the upper plate 114 from below and is fixed to the upper plate 114 by welding. 16 is a cement hatch nut, and 17 is a Glen hatch screw bolt. Similarly, at the time of installation, the bolt hole 6 of the inner projecting flange portion 4 is inserted into the bolt hole 6 from the lower side to the inner projecting flange portion 4 at the time of installation. It is fixed by welding. 18 is a Glen hatch nut, 19 is a Glen hatch cover, and 20 is a bolt hole provided in the Glen hatch cover 19.

  The other symbols are the outer projecting flange portion 2, the inner pipe portion 3, the inner projecting flange portion of the parent-child flash type cement / glenhole member 1 for the hatch cover according to the first embodiment shown in FIG. 4, the bolt holes 5 and 6 are indicated by the same reference numerals, and the hatch cover 101, the upper outer plate 112, the pipe 113, and the upper plate 114 provided in the pipe 113 are shown in FIGS. 7 (a) and 7 (b). It is the same member demonstrated by the parent / child type flash type cement / glenhole structure for the conventional bulk carrier hatch cover shown.

  As is apparent from FIGS. 2 and 3, the first feature of the parent-child flash type cement / Glenhole structure 10 for the hatch cover according to the second embodiment is that the upper height position of the inner projecting flange portion 4 is That is, the height position is the same as the upper height position of the upper plate 114 provided in the pipe 113 to which the cement / glenhole member 1 is fixed.

  Second, the thickness of the grain hatch cover 19 of the parent-child flash type cement / glen hole structure 10 for the hatch cover according to the second embodiment is the same as that for the hatch cover according to the first embodiment that functions as the cement hatch cover 119. It has the same thickness as the outer protruding flange portion 2 of the parent-child flash type cement / Glenhole member 1, and the outer protruding flange portion 2 and the Glen hatch cover 19 are arranged concentrically and coaxially without overlapping. It is to be fixed. For this reason, the said outward protrusion flange part 2 and the said Glen hatch cover 19 are installed flush, and are juxtaposed without forming the clearance gap which collects rain water between these.

  For this reason, in the parent-child flash type cement / Glen hole structure 10 for hatch covers according to the second embodiment, the mounting position of the Glen hatch cover 19 is lowered by one step as compared with the conventional parent-child flash type cement / Glen hole. The thickness of the conventional 12 mm cement / glen hole is 16 mm so that it is completely flush with the surface of the hatch cover 101. Also, the conventional fixed handle 125 is used for the operation and lifting of each hole. Instead of this, the removable eyebolt (not shown) eliminates the protrusion of the fitting from the surface of the hatch cover 101.

  FIG. 4 is a schematic configuration diagram illustrating an assembly outline of the cement / glenhole structure 10 for a bulk carrier hatch cover according to the second embodiment. 4, reference numerals 21a and 21b are eyebolt screw holes for hanging the Glen hatch cover 19, and the other reference numerals are the same as those shown in FIGS. 1 to 3 to 6 and FIG. It showed in.

  As shown in FIG. 4, the annular upper plate 114 provided inwardly projecting into the pipe 113 in the cement / Glen hole 102 on the hatch cover 101 of the same bulk carrier 100 as shown in FIG. Thus, several (for example, 24) screw bolts 15a to 15x are penetrated from below and welded to the screw bolts 15a to 15x, and the parent-child flash type cement for a hatch cover according to the first embodiment. / The bolt holes 5a to 5x that open to the outer projecting flange portion 2 of the Glen hole member 1 are fitted and inserted, and tightened with the nuts 16a to 16x in the bolt holes 5a to 5x of the outer projecting flange portion 2, The parent / child flash type cement / glenhole member 1 for the hatch cover is fixed, and the parent / child type flange for the hatch cover is fixed. The Tsu shoe type cement / Glen outer projecting flange portion 2 of the Hall element 1 allowed to function as a cement hatch cover.

  Next, the bolt hole 6a opened in the annular inner projecting flange portion 4 projecting in the center direction from the middle pipe portion 3 of the parent-child flash type cement / glenhole member 1 for the hatch cover according to the first embodiment. Screw bolts 17a to 17l are penetrated and joined from below, and the bolt holes 20a to 20l opened to the Glen hatch cover 19 are inserted into the screw bolts 17a to 17l, and the bolt holes 20a to 20l are inserted into the holes 20a to 20l. The above-mentioned Glen hatch cover 19 is fixed by tightening the nuts 18a to 18l.

  By installing in this way, the cement / glen hole structure 10 for bulk carrier hatch cover according to the second embodiment is a parent / child flash type cement / glen for bulk carrier hatch cover comprising coaxial cement holes and glen holes. In spite of being a hole, the hatch cover 101 has no protruding portion with respect to the surface of the hatch cover 101 of the bulk carrier 100, and no grooves or recesses for collecting rainwater are formed on the surface of the hatch cover 101. When opening 101 and when opening these cement / glen holes 1 and 19, rainwater does not enter the cargo cage.

  That is, as shown in FIG. 4, the actual height dimension of the hatch cover parent-child flash type cement / Glenhole member 1 according to the first embodiment indicated by reference numeral 1 is larger than the hole diameter. Is actually short. This is because, unlike the conventional structure, the hatch-cover type flash type cement / glenhole member 1 for hatch covers according to the first embodiment is not a structure in which the members overlap and become larger in the height direction. Since each of the cement hatch cover and the grain hatch cover, which are the surface members of the material, is arranged side by side, the overall height (thickness) can be formed low (short), and this structure is adopted. Thus, there is no formation of a recess or groove in which rainwater accumulates on the surface of the hatch cover 101 of the bulk carrier 100 as a conventional cement / glenhole is formed.

  Specifically, in the parent-child flash type cement / Glenhole structure 10 for the hatch cover according to the second embodiment, the upper outer plate 112 having a thickness of 9 mm is provided below the hatch cover 101 having a thickness of 8 mm. The bulk carrier hatch according to the second embodiment is formed by welding and joining the back surface of the deck cover 101 and arranging the upper plate 114 provided in the pipe 113 with a gap of 13 mm below the upper outer plate 112. The cover cement / glenhole structure 10 can ensure flatness without forming recesses or grooves where rainwater accumulates if there is no protrusion of the member from the surface of the hatch cover 101 of the bulk carrier 100.

  In the cement / glenhole structure 10 for a bulk carrier hatch cover according to the second embodiment, as described above, the deck cover 101 includes the upper outer plate 112 having a thickness of 9 mm below the hatch cover 101 having a thickness of 8 mm. The upper plate 114 provided in the pipe 113 with a gap of 13 mm below the upper outer plate 112 is welded to the rear surface of the upper carrier plate 112 to thereby remove the member from the surface of the hatch cover 101 of the bulk carrier 100. If there is no protrusion, a flatness that does not form a concave portion or a groove for collecting rainwater is ensured. However, the height of the upper plate 114 is not necessarily 30 mm from the surface of the hatch cover 101 (hatch cover plate thickness 8 mm + It is not limited to the upper outer plate thickness 9 mm + gap 13 mm.

  Therefore, when the upper plate 114 is disposed at a position lower than the height position of 30 mm from the surface of the hatch cover 101, a member is protruded from the surface of the hatch cover 101 by separately interposing a height adjusting plate as follows. Otherwise, an embodiment capable of ensuring flatness without forming a recess or groove for collecting rainwater will be examined.

  For example, as shown in FIG. 7, when the upper plate 114 is disposed at a height of 55 mm from the surface of the hatch cover 101 (hatch cover plate thickness 8 mm + upper outer plate plate thickness 9 mm + gap 38 mm), Even when such a parent-child flash type cement / glenhole member 1 for hatch covers is used, recesses and grooves are formed on the surface.

  Therefore, in the cement / glenhole structure 22 for bulk carrier hatch cover according to the third embodiment, the hatch cover parent-child flash type cement / glenhole member 1 according to the first embodiment and the upper plate 114 are arranged. A height adjustment plate 23 for height adjustment is interposed between the two.

  FIG. 5 shows a space between the upper plate 114 and the hollow disk-like outer projecting flange portion 2 that becomes a cement hatch cover after the installation of the parent-child flash type cement / glenhole member 1 for the hatch cover according to the first embodiment. FIG. 5 is a schematic configuration diagram showing an outline of a cement / glenhole structure 22 for a bulk carrier hatch cover according to the third embodiment in which a height adjusting plate for height adjustment is interposed in FIG. The bulk carrier hatch cover cement / glenhole structures 22 and 23 according to Example 3 are height adjusting plates.

  The thickness of the height adjusting plate 23 is the height adjusting plate 23 having a difference thickness between the upper height position of the upper plate 114 and the upper height position of the inner protruding flange portion 4. The bulk carrier hatch cover cement / glen hole structure 22 according to the third embodiment is a cement hatch cover after the hatch cover parent-type flash type cement / glen hole member 1 according to the first embodiment is installed. A height adjusting plate for height adjustment is interposed between the hollow disk-shaped outer protruding flange portion 2 and the upper plate 114. This is because the height of the inner protruding flange portion 4 and the Glen hatch cover 19 is increased. If the positions do not match, the height adjusting plate 23 may be interposed between them.

  Specifically, as shown in FIG. 5, the cement / glenhole structure 22 for bulk carrier hatch cover according to the third embodiment has the upper plate 114 at a position lower than a height position of 30 mm from the surface of the hatch cover 101. The cement / glenhole structure 10 for bulk carrier hatch cover according to the second embodiment is 30 mm from the surface of the hatch cover 101 (hatch cover plate thickness 8 mm + upper outer plate plate thickness 9 mm + gap). 13 mm) or less, the position of the upper plate 114 for attachment is moved downward, and the upper plate 114 is also disposed in a position much deeper than 55 mm. This can be dealt with by shifting the position of the upper plate 114.

  The present invention relates to a bulk-freight ship (bulk carrier), in particular, a parent-child flush type cement hole and a glenhole member for a cargo carrier opening hatch cover of a bulk carrier equipped with a folding (folding type) hatch cover and the use thereof Equipped with cement hole and glenhole structure for cargo cover opening hatch cover of bulk carrier.

DESCRIPTION OF SYMBOLS 1 Cement / Glen hole member according to Example 1 2 Outward protruding flange part 3 Middle pipe part 4 Inner protruding flange part 5a-5x Bolt hole 6a-6l Bolt hole 7a, 7b Screw hole for eyebolt for suspension 10 In Example 2 Cement / Glenhole structure for bulk carrier hatch cover 13 Cement hole packing 14 Glen hole packing 15 Cement hatch screw bolt 16 Cement hatch nut 17 Glen hatch screw bolt 18 Glen hatch nut 19 Glen hatch cover 20 Bolt hole 21a, 21b Glen hatch cover Eyebolt screw hole for suspension 22 Cement / Glenhole structure according to Example 3 23 Height adjustment plate 100 Bulk carrier
101a, 101b... Hatch cover 102a, 102b, parent-child type flash type cement / Glen hole 103 cargo trap 104 upper deck 105a, 105b, deck crane pole 110 cement hole 111 glen hole 112 upper outer plate 113 cement / Pipe 114 enclosing glenhole 114 Upper plate 115 Dimple formed on hatch cover surface 116 Cement hatch screw 117 Cement hatch seal 118 Cement hatch nut 119 Cement hatch cover 120 Glen hatch screw bolt 121 Glen hatch seal 122 Glen hatch nut 123 Glen hatch cover Plate 125 Fixed handle 126 Lower outer plate 127 Hatch cover inner frame

Claims (5)

It is a member that can be installed in the cement / Glenhole pipe of the cargo dredge hatch cover of a bulk carrier,
A hollow disk-shaped outer projecting flange portion spanned between the cement hole mounting upper plates provided inside the cement / Glenhole pipe;
A middle pipe portion that is joined and disposed downward below the hollow circular end of the outer protruding flange portion;
A hollow disk-shaped inner projecting flange portion protruding toward the center of the hollow circle from the the pipe section, Tona is, Hatsuchikaba for parents that have a threaded hole for eyebolt hanging on the outer projecting flange portion Type flash type cement / Glenhole material.   2. The hatch according to claim 1, wherein the outer projecting flange portion includes a plurality of bolts that are welded to penetrate from below the upper plate and a plurality of bolt holes that are opened for a plurality of nuts that are screwed to the bolts. Parent-child flash type cement / Glenhole material for cover. 3. The hatch cover according to claim 1, wherein the inner projecting flange portion includes a plurality of bolts that are welded through from below and a plurality of bolt holes that are opened for a plurality of nuts that are screwed to the bolts. Parent-child flash type cement / Glenhole material. A hollow disk-shaped outer projecting flange that spans between the cement-glen hole pipes on the inside of the cement / Glenhole pipe of the cargo-hatch cover of a bulk carrier and becomes a cement hatch cover after installation And
A middle pipe portion that is joined and disposed downward below the hollow circular end of the outer protruding flange portion;
A hollow disk-shaped inner projecting flange portion that protrudes from the middle pipe portion toward the center of the hollow circle, and whose upper height position is the upper height position of the upper plate at the time of installation,
A cement / glenhole structure of a cargo ship hatch cover of a bulk carrier having a thickness equal to the thickness of the outer protruding flange portion and a Glen hatch cover juxtaposed with the outer protruding flange portion. The bulk carrier according to claim 4 , wherein a height adjusting plate is interposed between the upper plate and the outer protruding flange portion and / or between the inner protruding flange portion and the Glen hatch cover. Cement / Glenhole structure for cargo dredge hatch cover.

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