Aluminum alloy exhaust cabin penetrating structure

Abstract

The utility model discloses an aluminum alloy exhaust cabin penetrating structure which comprises two half pipes, the two half pipes are spliced to form an installation cavity, the two half pipes are used for being connected with a cabin wall, an exhaust pipe is arranged in the installation cavity, a plurality of heat insulation pieces are distributed between the exhaust pipe and the half pipes in the circumferential direction, and the heat insulation pieces are connected with the installation cavity. An airflow channel is formed between every two adjacent heat insulation pieces, the two ends of each half pipe are connected with heat insulation end covers respectively, the heat insulation end covers are provided with grooves communicated with the airflow channels, one heat insulation end cover is provided with an input pipe used for being connected with an air supply mechanism, and the other heat insulation end cover is provided with an output pipe used for being connected with an air supply mechanism. The other heat insulation end cover is provided with an output port used for being connected with an exhaust pipe. According to the aluminum alloy exhaust cabin penetrating structure, the exhaust pipe is erected through the half pipe for installation, the installation difficulty is easily simplified, heat is prevented from being transmitted to the half pipe through the heat insulation end cover and the heat insulation piece, and therefore the high temperature influence of the exhaust pipe on the cabin wall is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ship exhaust pipe installation especially relates to an aluminum alloy exhaust cabin-penetrating structure. BACKGROUND

[0002] In the ship industry, most of the ships are powered by the combustion of diesel or other fuels, and the exhaust pipe for discharging exhaust gas generally needs to penetrate the bulkhead, so as to discharge the exhaust gas generated by combustion outside the ship body. When the exhaust pipe penetrates the bulkhead, the installation process of the past needs to set up an installation rack or manually hold the exhaust pipe for a long time to carry out welding installation, which not only consumes time and effort, but also the heat of the exhaust gas will be conducted to the bulkhead through the exhaust pipe, thereby causing the temperature of the surrounding bulkhead to rise, and further there is a risk of scalding the personnel on the ship. SUMMARY

[0003] In view of the above shortcomings, the utility model provides an aluminum alloy exhaust cabin-penetrating structure, which uses a half pipe to support the exhaust pipe for installation, which is beneficial to simplify the installation difficulty, and uses a heat insulation end cover and a heat insulation piece to block the heat transfer to the half pipe, thereby reducing the influence of the high temperature of the exhaust pipe on the bulkhead.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An aluminum alloy exhaust cabin-penetrating structure comprises two half pipes, the two half pipes are spliced into an installation cavity, the two half pipes are used for connecting the bulkhead, an exhaust pipe is arranged in the installation cavity, a plurality of heat insulation pieces are arranged between the exhaust pipe and the half pipe in a circumferential direction, an airflow channel is formed between two adjacent heat insulation pieces, a heat insulation end cover is connected to each end of the half pipe, the heat insulation end cover has a groove in communication with the airflow channels, one of the heat insulation end covers is provided with an input pipe for connecting a air supply mechanism, and the other heat insulation end cover is provided with an output port for connecting the exhaust pipe.

[0006] The aluminum alloy exhaust cabin-penetrating structure according to the utility model embodiment has at least the following beneficial effects: in use, first, install two heat insulation end covers on one of the half pipes, then install the corresponding half pipes on the bulkhead, and pass the exhaust pipe through the two heat insulation end covers to be built in the corresponding half pipes, thereby using the half pipe to support the exhaust pipe, which is beneficial to reduce the operation of installing a rack or manually holding the exhaust pipe for a long time, and finally assemble the other half pipe above the corresponding half pipe to complete the installation of the exhaust pipe. The heat insulation pieces arranged between the two half pipes not only hinder the direct transfer of heat to the half pipe, but also form an airflow channel between two adjacent heat insulation pieces, so that the air supply mechanism blows air into the airflow channel through the input pipe, which is beneficial to use air cooling to speed up the heat exchange on the surface of the exhaust pipe, thereby further reducing the heat transfer of the exhaust pipe to the half pipe, and is beneficial to reduce the influence of the high temperature of the exhaust pipe on the bulkhead.

[0007] Further, one end of the half-pipe is provided with an end plate, the heat insulation end cover comprises a cover plate detachably connected with the end plate, the cover plate is provided with a through hole for the half-pipe to pass through, and the cover plate is provided with a surrounding plate embedded in the mounting cavity, and the surrounding plate defines a slot towards the recess of the heat insulation piece.

[0008] Further, the cover plate is provided with a first mounting hole, the end plate is provided with a second mounting hole, the first mounting hole and the second mounting hole are connected through a first bolt, and one end of the first bolt is used for being threadedly connected to the bulkhead.

[0009] Further, the half-pipe is provided with a flared groove at the port, the surrounding plate is clamped in the flared groove, the outer peripheral wall of the surrounding plate is provided with an annular groove, the annular groove is embedded with a sealing element, and the sealing element is clamped between the surrounding plate and the inner wall of the flared groove.

[0010] Further, one end of the heat insulation piece and the cover plate have a spacing area, the input pipe is provided with a plurality of input pipes, and the plurality of input pipes are distributed in the circumferential direction of the cover plate and are connected with the spacing area.

[0011] Further, the side wall of each half-pipe is provided with a side extension plate, the two side extension plates are correspondingly provided with a third mounting hole, and the two third mounting holes are connected through a second bolt.

[0012] Further, the connecting portion of the two side extension plates is filled with sealing glue.

[0013] Further, the inner wall of the half-pipe is circumferentially provided with a plurality of partition plates, and adjacent two partition plates define a clamping groove, and a plurality of heat insulation pieces are spaced apart and arranged in the corresponding clamping grooves.

[0014] Further, the heat insulation piece is a long strip-shaped heat insulation plate, and one side wall of the heat insulation plate is bonded to the inner wall of the clamping groove.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, and some will become apparent from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings, of embodiments of the present application, where:

[0017] Figure 1 is a structural schematic view of one embodiment of an aluminum alloy exhaust cabin-penetrating structure of the present application;

[0018] Figure 2 isFigure 1 a lateral cross-sectional view of the heat insulation device;

[0019] Figure 3 is Figure 1 a longitudinal partial cross-sectional view of the heat insulation device.

[0020] In the figure: half-pipe 100, end plate 101, side extension plate 102, heat insulation piece 110, air flow channel 111, heat insulation end cover 120, cover plate 121, surrounding plate 122, sealing piece 123, input pipe 130, partition plate 140, exhaust pipe 200, first bolt piece 300, second bolt piece 310. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be noted that the terms "inner", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is two or more. Greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If the terms "first", "second" are described, they are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be further noted that, unless otherwise explicitly specified and limited, the terms "set", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Referring to Figures 1 to 3The application discloses an aluminum alloy exhaust cabin-penetrating structure, which comprises two half-pipes 100, which are spliced into a mounting cavity and used for connecting a cabin wall, wherein an exhaust pipe 200 is arranged in the mounting cavity, a plurality of heat insulation pieces 110 are arranged in a circumferential direction between the exhaust pipe 200 and the half-pipes 100, air flow channels 111 are formed between two adjacent heat insulation pieces 110, heat insulation end covers 120 are respectively connected to two ends of the half-pipes 100, the heat insulation end covers 120 are provided with grooves in communication with the air flow channels 111, one of the heat insulation end covers 120 is provided with an input pipe 130 for connecting a blowing mechanism, and the other heat insulation end cover 120 is provided with an output port for connecting the exhaust pipe 200.

[0026] The aluminum alloy exhaust cabin-penetrating structure has the advantages that when the structure is used, the two heat insulation end covers 120 are first mounted on one of the half-pipes 100, then the corresponding half-pipe 100 is mounted on the cabin wall, and the exhaust pipe 200 is arranged in the two heat insulation end covers 120 and is arranged in the corresponding half-pipe 100, so that the half-pipe 100 supports the exhaust pipe 200, the operation of mounting a support or manually holding the exhaust pipe 200 for a long time is reduced, and finally the other half-pipe 100 is assembled above the corresponding half-pipe 100, so that the mounting of the exhaust pipe 200 is completed. The heat insulation pieces 110 arranged between the two half-pipes 100 not only hinder the direct heat transfer to the half-pipes 100, but also form the air flow channels 111 between the two adjacent heat insulation pieces 110, so that the blowing mechanism blows air to the air flow channels 111 through the input pipe 130, air cooling is used to accelerate the heat exchange of the surface of the exhaust pipe 200, the heat transfer of the exhaust pipe 200 to the half-pipes 100 is further reduced, and the influence of the high temperature of the exhaust pipe 200 on the cabin wall is reduced.

[0027] Referring to Figures 1 to 3 Further, one end of the half-pipe 100 is provided with an end plate 101, the heat insulation end cover 120 comprises a cover plate 121 which is detachably connected to the end plate 101, the cover plate 121 is provided with a through hole through which the half-pipe 100 passes, and the cover plate 121 is provided with a surrounding plate 122 which is arranged in the mounting cavity and defines the grooves with the grooves facing the heat insulation pieces 110. Specifically, the blowing mechanism delivers the gas to the grooves through the input pipe 130, the gas flows through the air flow channels 111 and carries away part of the heat of the exhaust pipe 200, and finally the gas is discharged outside the half-pipe 100 through the exhaust pipe 200, so that the air cooling is used to reduce the temperature of the connecting position of the exhaust pipe 200, and the heat transfer to the cabin wall is further reduced, so that the local high temperature phenomenon of the cabin wall is avoided. In some embodiments, in order to avoid the direct contact between the exhaust pipe 200 and the cabin wall, the cabin wall is provided with a through hole with a diameter larger than that of the exhaust pipe 200, one of the cover plates 121 is connected to the cabin wall, and the exhaust pipe 200 abuts against the cover plate 121.

[0028] Referring to Figures 1 to 3Further, the cover plate 121 is provided with a first mounting hole, and the end plate 101 is provided with a second mounting hole, the first mounting hole is connected with the second mounting hole through a first bolt 300, one end of the first bolt 300 is used for being screwed on the bulkhead, so that people can assemble the cover plate 121 on the bulkhead through the bolt connection mode, which is beneficial to forming the mounting position of the exhaust pipe 200 by the cover plate 121. Among them, the plurality of heat insulation pieces 110 abut against the exhaust pipe 200, not only can hinder the heat transfer to the half pipe 100, but also use the heat insulation piece 110 to support the exhaust pipe 200, which is beneficial to further stabilize the installation of the exhaust pipe 200. It can be understood that the first mounting hole is provided with a plurality of first mounting holes, and the plurality of first mounting holes are distributed on the cover plate 121 in the circumferential direction, so as to increase the connection position of the end plate 101 and the cover plate 121.

[0029] Referring to Figures 1 to 3 Further, the port of the half pipe 100 is provided with a flared groove, the coaming 122 is clamped in the flared groove, the outer peripheral wall of the coaming 122 is provided with an annular groove, and the sealing piece 123 is embedded in the annular groove. Specifically, the coaming 122 and the flared groove form a tortuous contact path, so as to change the flow direction of the airflow, thereby hindering the airflow from flowing out of the connection gap between the coaming 122 and the half pipe 100, and further improving the sealing effect of the heat insulation end cover 120. Among them, the sealing piece 123 is beneficial to further hinder the outflow of gas in the connection gap between the coaming 122 and the half pipe 100, thereby ensuring the sealing effect of the heat insulation end plate 101. It can be understood that the sealing piece 123 can be selected according to the needs of rubber or silicone, which will not be described in detail here.

[0030] Further, the heat insulation piece 110 has a spacing area between one end and the cover plate 121, the input pipe 130 is provided with a plurality of input pipes 130, and the plurality of input pipes 130 are distributed in the circumferential direction of the cover plate 121. The input pipe 130 is connected with the spacing area. Specifically, one end of each of the plurality of input pipes 130 is connected with the collecting pipe, one end of the collecting pipe is connected with the air supply mechanism, each input pipe 130 corresponds to the airflow channel 111, so that the airflow blown by the air supply mechanism can flow to the corresponding airflow channel 111, thereby ensuring that each airflow channel 111 can exist gas flow, which is beneficial to speed up the heat exchange efficiency of the airflow and the exhaust pipe 200.

[0031] Referring to Figures 1 to 3 Further, the side wall of each half pipe 100 is provided with a side extension plate 102, and the two side extension plates 102 are provided with a third mounting hole, and the two third mounting holes are connected through a second bolt 310, so that the two half pipes 100 are fixed as a whole through the bolt connection mode. Among them, the third mounting hole is provided with a plurality of third mounting holes, and the plurality of third mounting holes are distributed along the length direction of the side extension plate 102, so as to increase the connection position of the two side extension plates 102, which is beneficial to stabilize the installation of the side extension plate 102.

[0032] Further, the joint of the two side stretch plates 102 is filled with sealant, so as to reduce the gas escaping from the joint of the two side stretch plates 102, and further improve the sealing effect of the two half-pipes 100 forming the mounting cavity. It can be understood that, in order to avoid the gas escaping from the joint of the end plate 101 and the exhaust pipe 200, the joint of the end plate 101 and the exhaust pipe 200 is also filled with sealant.

[0033] Referring to Figure 2 Further, the inner wall of the half-pipe 100 is circumferentially distributed with a plurality of partitions 140, and adjacent two partitions 140 define a clamping groove, and a plurality of heat insulation pieces 110 are distributed in the corresponding clamping grooves, so as to facilitate the installation of the heat insulation pieces 110 on the inner wall of the half-pipe 100. Wherein, the partition 140 can be fixed on the inner wall of the half-pipe 100 by means of integral molding or welding, so as to ensure the connection strength of the partition 140 and the half-pipe 100.

[0034] Referring to Figure 2 Further, the heat insulation piece 110 is a long strip-shaped heat insulation plate, and one of the side walls of the heat insulation plate is bonded to the inner wall of the clamping groove, so as to facilitate the quick fixing of the heat insulation piece 110 on the inner wall of the half-pipe 100.

[0035] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the present application.

[0036] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An aluminum alloy exhaust through-cabin structure, characterized in that: include: Two half-tubes (100) are spliced ​​together to form an installation cavity. The two half-tubes (100) are used to connect to a bulkhead. An exhaust pipe (200) is provided inside the installation cavity. A plurality of heat insulating members (110) are circumferentially distributed between the exhaust pipe (200) and the half-tubes (100). An air flow channel (111) is formed between two adjacent heat insulating members (110). Both ends of the half-tubes (100) are respectively connected to heat insulating end covers (120). The heat insulating end covers (120) have grooves communicating with the plurality of air flow channels (111). One of the heat insulating end covers (120) is provided with an input pipe (130) for connecting to an air supply mechanism, and the other heat insulating end cover (120) is provided with an output port for connecting to the exhaust pipe.

2. The aluminum alloy exhaust through-cabin structure according to claim 1, characterized in that: One end of the half pipe (100) is provided with an end plate (101), and the heat-insulating end cover (120) includes a cover plate (121) detachably connected to the end plate (101), the cover plate (121) is provided with a through hole for the half pipe (100) to pass through, and the cover plate (121) is provided with a surrounding plate (122) built into the installation cavity, and the surrounding plate (122) defines the groove with a notch facing the heat-insulating component (110).

3. The aluminum alloy exhaust through-cabin structure according to claim 2, characterized in that: The cover plate (121) is provided with a first mounting hole, and the end plate (101) is provided with a second mounting hole. The first mounting hole and the second mounting hole are connected via a first bolt member (300), and one end of the first bolt member (300) is used for threaded connection to the bulkhead.

4. The aluminum alloy exhaust through-cabin structure according to claim 2, characterized in that: The end of the half pipe (100) is provided with a flaring groove, the enclosure (122) is engaged with the flaring groove, the outer peripheral wall of the enclosure (122) is provided with an annular groove, the interior of the annular groove is embedded with a sealing member (123), and the sealing member (123) is sandwiched between the enclosure (122) and the inner wall of the flaring groove.

5. The aluminum alloy exhaust through-cabin structure according to claim 2, characterized in that: A spacer is provided between one end of the heat insulating member (110) and the cover plate (121); a plurality of input pipes (130) are provided, and the plurality of input pipes (130) are circumferentially distributed on the cover plate (121); and the input pipes (130) are in communication with the spacer.

6. The aluminum alloy exhaust through-cabin structure according to claim 1, characterized in that: The side wall of each half pipe (100) is provided with a side extension plate (102), two side extension plates (102) are correspondingly provided with third mounting holes, and the two third mounting holes are connected by a second bolt member (310).

7. The aluminum alloy exhaust through-cabin structure according to claim 6, characterized in that: The connection between the two side extension plates (102) is filled with sealant.

8. The aluminum alloy exhaust through-cabin structure according to claim 1, characterized in that: A plurality of partitions (140) are distributed circumferentially on the inner wall of the half pipe (100), two adjacent partitions (140) define a slot, and a plurality of the heat insulating members (110) are distributed at intervals in the corresponding slots.

9. The aluminum alloy exhaust through-cabin structure according to claim 8, characterized in that: The heat insulating member (110) is a long strip of heat insulating board, and one of the side walls of the heat insulating board is bonded to the inner wall of the slot.

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