Smoke exhaust pipe of shelter power station, smoke exhaust silencing system and shelter power station

Abstract

The utility model discloses a shelter power station smoke exhaust pipe, a smoke exhaust noise reduction system and a shelter power station, and the shelter power station smoke exhaust pipe comprises an in-shelter smoke exhaust pipe, an out-shelter smoke exhaust pipe, a first connecting plate, a second connecting plate, an insect and mouse prevention net and a bolt and nut assembly, a plurality of first connecting holes are formed in the first connecting plate in the circumferential direction of the in-cabin smoke exhaust pipe; the end, close to the cabin plate, of the outboard smoke exhaust pipe is sleeved with the second connecting plate, a plurality of second connecting holes are formed in the second connecting plate in the circumferential direction of the outboard smoke exhaust pipe, and the first connecting holes and the second connecting holes are in one-to-one correspondence in number and position; the first connecting plate and the second connecting plate are connected through a bolt and nut assembly and fixed to the cabin plate. Screws of bolts penetrate through the second connecting holes, the first connecting holes and corresponding holes in the cabin plate, and nuts are connected to the ends, away from nuts, of the screws. And the insect and mouse prevention net is fixed inside or at the end part of the in-cabin smoke exhaust pipe and / or the out-cabin smoke exhaust pipe. Smoke leakage in the cabin is avoided, and insects and rats can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust for mobile shelters. More specifically, the utility model relates to a smoke exhaust pipe, a smoke exhaust and silencing system and a mobile shelter power station for a mobile shelter power station. Background Art

[0002] A diesel generator set is usually installed inside the shelter of a mobile shelter power station (such as a military or civilian shelter power station). The diesel generator set converts the chemical energy of fuel into electrical energy through mechanical work. During the process of fuel combustion and work, due to incomplete combustion, a large amount of flue gas with high heat and relatively large noise are generated. The flue gas needs to be discharged outside the power station cabin through a smoke exhaust and silencing system.

[0003] Generally, the smoke exhaust pipe in the power station is a seamless steel pipe that passes through a pre - drilled through - hole on the cabin plate from inside the cabin and extends outside the cabin, which is not easy to disassemble; some existing smoke exhaust pipes are made in the form of sleeves and nested inside the cabin. Although they can be disassembled, if there is an error in the pipe diameter during the manufacturing process of the smoke exhaust pipe, it is easy to leak smoke into the cabin; moreover, there is no anti - mouse and anti - insect protection measure inside the smoke exhaust pipe, and it is easy for organisms such as insects and mice to enter the cabin through the smoke exhaust pipe, which will seriously affect the operation of the mobile shelter power station. Summary of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model innovatively provides a smoke exhaust pipe, a smoke exhaust and silencing system and a mobile shelter power station for a mobile shelter power station, which sets the smoke exhaust pipe as a detachable type for easy assembly and disassembly; sets the connection between the smoke exhaust pipe inside the cabin and the smoke exhaust pipe outside the cabin outside the cabin to avoid smoke leakage inside the cabin; and sets an insect and mouse prevention net to play a protective role and effectively prevent insects and mice from entering the shelter interior through the smoke exhaust pipe.

[0005] To achieve the above - mentioned technical purpose, the first aspect of the utility model discloses a smoke exhaust pipe for a mobile shelter power station, which includes an in - cabin smoke exhaust pipe, an out - cabin smoke exhaust pipe, a first connecting plate, a second connecting plate, an insect and mouse prevention net and a bolt - nut assembly.

[0006] The first connecting plate is sleeved on one end of the in - cabin smoke exhaust pipe passing through the cabin plate and located outside the cabin. A plurality of first connection holes are circumferentially formed on the first connecting plate along the in - cabin smoke exhaust pipe.

[0007] The second connecting plate is sleeved on one end of the out - cabin smoke exhaust pipe close to the cabin plate. A plurality of second connection holes are circumferentially formed on the second connecting plate along the out - cabin smoke exhaust pipe. The number and positions of the first connection holes and the second connection holes correspond one by one.

[0008] The first connecting plate and the second connecting plate are connected and fixed on the cabin plate through the bolt - nut assembly. The screw of the bolt passes through the second connection hole, the first connection hole and the corresponding hole on the cabin plate, and a nut is connected to the end of the screw far from the nut.

[0009] The insect and rodent prevention net is fixed inside or at the end of the exhaust pipe inside the cabin and / or the exhaust pipe outside the cabin.

[0010] Further, a sealing ring is provided between the first connecting plate and the second connecting plate.

[0011] Further, the sealing ring is an asbestos gasket, a graphite gasket or a metal gasket.

[0012] Further, the number of the first connection holes and the second connection holes is 4 each.

[0013] Further, a flat washer and a spring washer are also sleeved on the screw rod of the bolt close to the nut.

[0014] To achieve the above technical purpose, a second aspect of the present utility model discloses an exhaust noise reduction system, which includes the exhaust pipe of the mobile power station in the first aspect and an engine muffler, and the end of the exhaust pipe inside the cabin in the cabin is connected to the engine muffler.

[0015] Further, the exhaust pipe inside the cabin includes a straight pipe.

[0016] Further, the exhaust pipe inside the cabin includes one or more straight pipes and one or more corrugated pipes, wherein one straight pipe is connected to the first connecting plate, and the corrugated pipe is sleeved and connected to the straight pipe.

[0017] Further, the corrugated pipe is sleeved outside the straight pipe and fastened by a hoop.

[0018] To achieve the above technical purpose, a third aspect of the present utility model discloses a mobile power station, which includes the exhaust pipe of the mobile power station in the first aspect or the exhaust noise reduction system in the second aspect.

[0019] The beneficial effects of the present utility model are as follows:

[0020] For the exhaust pipe of the mobile power station of the present utility model, the exhaust pipe is set as a detachable type, which is convenient for assembly and disassembly; the connection part of the exhaust pipe inside the cabin and the exhaust pipe outside the cabin is set outside the cabin, avoiding the situation of smoke leakage inside the cabin; an insect and rodent prevention net is provided to play a protective role and effectively prevent insects and rodents from entering the mobile power station through the exhaust pipe. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of the exhaust pipe of the mobile power station according to an embodiment of the present utility model.

[0022] Figure 2 It is a schematic structural diagram of the exhaust pipe inside the cabin and the first connecting plate (the exhaust pipe outside the cabin and the second connecting plate) according to an embodiment of the present utility model.

[0023] Figure 3It is a schematic installation diagram of the insect and rodent prevention net in the embodiment of the present utility model.

[0024] Figure 4 It is a front view of the mobile power station in the embodiment of the present utility model.

[0025] Figure 5 It is a side view of the mobile power station in the embodiment of the present utility model.

[0026] In the figure,

[0027] 1. Exhaust pipe inside the cabin; 11. Straight pipe; 12. Bellows; 2. Exhaust pipe outside the cabin; 3. First connecting plate; 31. First connecting hole; 4. Second connecting plate; 41. Second connecting hole; 5. Insect and rodent prevention net; 6. Engine silencer; 7. Hoop; 8. Cabin plate. Specific implementation mode

[0028] The following will explain and illustrate in detail the exhaust pipe, exhaust silencing system and mobile power station of the present utility model with reference to the accompanying drawings of the specification.

[0029] This embodiment specifically discloses an exhaust pipe of a mobile power station. As Figures 1-3 shown, it includes an exhaust pipe 1 inside the cabin, an exhaust pipe 2 outside the cabin, a first connecting plate 3, a second connecting plate 4, an insect and rodent prevention net 5 and a bolt and nut assembly. The first connecting plate 3 is sleeved on one end of the exhaust pipe 1 inside the cabin that passes through the cabin plate 8 and is outside the cabin. A plurality of first connecting holes 31 are formed along the circumferential direction of the exhaust pipe 1 inside the cabin on the first connecting plate 3; in this embodiment, the first connecting plate 3 can directly adopt a flange, which is convenient for obtaining materials, and the first connecting plate 3 is welded to the exhaust pipe 1 inside the cabin. As Figure 2 shown, the end face of the first connecting plate 3 away from the cabin plate 8 is flush with the end face of the exhaust pipe 1 inside the cabin that is outside the cabin. As Figure 1 shown, one end of the exhaust pipe 1 inside the cabin without the first connecting plate 3 passes through the hole on the cabin plate 8 and enters the interior of the mobile power station, and the first connecting plate 3 is intercepted outside the mobile power station. The hole on the cabin plate 8 for the exhaust pipe 1 inside the cabin to pass through is reserved during the manufacture of the cabin plate 8, and the exhaust pipe 1 inside the cabin is manufactured to match the aperture of this hole to ensure no smoke leakage after assembly. Preferably, a plurality of first connecting holes 31 are evenly distributed along the circumferential direction of the exhaust pipe 1 inside the cabin.

[0030] The second connecting plate 4 is sleeved on one end of the exhaust pipe 2 outside the cabin close to the cabin plate 8. The exhaust pipe 2 outside the cabin is completely outside the mobile power station. A plurality of second connecting holes 41 are formed along the circumferential direction of the exhaust pipe 2 outside the cabin on the second connecting plate 4. The number and positions of the first connecting holes 31 and the second connecting holes 41 correspond one by one; the second connecting plate 4 can also directly adopt a flange, which is convenient for obtaining materials, and the second connecting plate 4 is welded to the exhaust pipe 2 outside the cabin. As Figure 2As shown, the end face of the second connecting plate 4 close to the cabin plate 8 is flush with the end face of the external cabin exhaust pipe 2 close to the cabin plate 8. Preferably, the second connecting holes 41 are evenly distributed along the circumferential direction of the external cabin exhaust pipe 2.

[0031] In this embodiment, the number of the first connecting holes 31 and the second connecting holes 41 is 4. The 4 first connecting holes 31 are evenly distributed along the circumferential direction of the internal cabin exhaust pipe 1, and the 4 second connecting holes 41 are evenly distributed along the circumferential direction of the external cabin exhaust pipe 2. The 4 connecting holes are evenly distributed to ensure the sealing performance after the two connecting plates are connected.

[0032] The first connecting plate 3 and the second connecting plate 4 are connected and fixed to the cabin plate 8 through a bolt-nut assembly. Holes corresponding to the positions and numbers of the first connecting holes 31 and the second connecting holes 41 are provided around the hole on the cabin plate 8 through which the internal cabin exhaust pipe 1 passes. The screw of the bolt passes through the second connecting hole 41, the first connecting hole 31 and the corresponding hole on the cabin plate 8, and a nut is connected to the end of the screw away from the nut; the nut of the bolt can be located inside the cabin, and the nut is tightened on the screw of the bolt outside the cabin; the nut of the bolt can also be located outside the cabin, and the nut is tightened on the screw of the bolt inside the cabin.

[0033] Optionally, a sealing ring is provided between the first connecting plate 3 and the second connecting plate 4 to ensure the sealed connection between the internal cabin exhaust pipe 1 and the external cabin exhaust pipe 2. Preferably, the sealing ring is an asbestos gasket, a graphite gasket or a metal gasket. The inner diameter of the sealing ring is greater than or equal to the inner diameters of the internal cabin exhaust pipe 1 and the external cabin exhaust pipe 2. The outer diameter of the sealing ring can be smaller than the length of the straight line connecting the two opposite innermost points of the first connecting hole 31, and the sealing ring is clamped between the first connecting plate 3 and the second connecting plate 4. The outer diameter of the sealing ring can also be greater than the length of the straight line connecting the two opposite outermost points of the first connecting hole 31, that is, the screw of the bolt can pass through the sealing ring.

[0034] A flat washer and a spring washer are also sleeved on the screw of the bolt close to the nut. That is, when the nut is arranged inside the cabin, a flat washer and a spring washer are arranged between the nut and the cabin plate 8; when the nut is arranged outside the cabin, a flat washer and a spring washer are arranged between the nut and the second connecting plate 4 to increase the connection stability. The front and rear positions of the flat washer and the spring washer on the screw are not specifically limited.

[0035] As Figure 3As shown in the figure, the insect and rodent-proof net 5 is fixed inside or at the end of the in-cabin exhaust pipe 1 and / or the out-of-cabin exhaust pipe 2. The mesh aperture of the insect and rodent-proof net 5 is set according to the sizes of the insects and rodents to be protected. The insect and rodent-proof net 5 can be fixed inside the in-cabin exhaust pipe 1 and / or the out-of-cabin exhaust pipe 2, and the outer edge of the insect and rodent-proof net 5 is fixedly connected to the inner pipe wall of the in-cabin exhaust pipe 1 or the out-of-cabin exhaust pipe 2, for example, embedded inside the in-cabin exhaust pipe 1 or the out-of-cabin exhaust pipe 2. The insect and rodent-proof net 5 can also be fixed at one end of the in-cabin exhaust pipe 1 and / or the out-of-cabin exhaust pipe 2. In this embodiment, the insect and rodent-proof net 5 can be integrally formed with the connecting plate. A blind flange can be directly used, and then through holes are opened on the blind flange, which can play the roles of connection and insect and rodent prevention at the same time. Moreover, the blind flange is welded to the in-cabin exhaust pipe 1 or the out-of-cabin exhaust pipe 2, and the connection method is simple.

[0036] Insect and rodent-proof nets 5 can be provided on both the in-cabin exhaust pipe 1 and the out-of-cabin exhaust pipe 2. When both are provided, the meshes of the two insect and rodent-proof nets 5 can overlap or stagger; alternatively, an insect and rodent-proof net 5 can be provided only on one of the in-cabin exhaust pipe 1 and the out-of-cabin exhaust pipe 2, which can play a protective role.

[0037] This application also provides a smoke exhaust and sound insulation system, as Figure 4 shown, including the exhaust pipe of the mobile cabin power station in the above embodiment and the engine silencer 6. The engine silencer 6 is arranged on the engine. The engine silencer 6 is used for sound insulation treatment to reduce the noise inside the mobile cabin. The end of the in-cabin exhaust pipe 1 inside the cabin is connected to the engine silencer 6 to form a smoke exhaust and sound insulation system.

[0038] The shape of the in-cabin exhaust pipe 1 is adjusted according to the installation positions of the engine and the engine silencer 6. The in-cabin exhaust pipe 1 includes a straight pipe 11. When the engine silencer 6 and the hole on the cabin plate 8 through which the in-cabin exhaust pipe 1 passes are at the same height, the in-cabin exhaust pipe can adopt a single straight pipe.

[0039] As Figure 4 shown, the in-cabin exhaust pipe 1 includes one or more straight pipes 11 and one or more corrugated pipes 12. The numbers of the straight pipes 11 and the corrugated pipes 12 are set according to the placement position of the engine. One of the straight pipes 11 is connected to the first connecting plate 3, and the corrugated pipe 12 is sleeved and connected to the straight pipe 11. The corrugated pipe 12 is a flexible pipe and can be bent to achieve turning. The corrugated pipe 12 is arranged at the turning place. Preferably, the corrugated pipe 12 is sleeved outside the straight pipe 11 and is fastened by a hoop 7. The hoop 7 is fastened outside the corrugated pipe 12 to achieve the sealed connection between the corrugated pipe 12 and the straight pipe 11 and avoid smoke leakage.

[0040] This application also provides a mobile cabin power station, including the exhaust pipe of the mobile cabin power station in the above embodiment or the smoke exhaust and sound insulation system in the above embodiment. As Figure 4 and 5As shown, the holes on the cabin floor 8 for the in-cabin smoke exhaust pipe 1 to pass through are usually arranged on the cabin floor 8 on the side of the shelter. The connection between the in-cabin smoke exhaust pipe 1 and the out-of-cabin smoke exhaust pipe 2 is arranged outside the cabin, avoiding the direction of smoke leakage inside the cabin. Moreover, through the setting of the connecting plate, connecting holes and bolt-nut assemblies, the detachable connection of the in-cabin smoke exhaust pipe 1, the out-of-cabin smoke exhaust pipe 2 and the cabin floor 8 is realized, which is convenient for assembly and disassembly and replacement.

[0041] The setting of the insect and rodent prevention net 5 can prevent insects and rodents from entering the cabin through the smoke exhaust pipe, making the shelter power station more suitable for field operations and preventing insects and rodents from entering the cabin to damage the instruments.

[0042] The smoke exhaust pipe structure of the shelter power station in this application is simple, the materials are convenient to obtain, the processing cost is low, and it is simple and practical.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the description of this specification, the descriptions referring to terms such as "this embodiment", "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any at least one embodiment or example. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0046] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0047] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and simple improvements made to the substantial content of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A smoke exhaust pipe for a mobile cabin power station, characterized in that, It includes an in-cabin exhaust pipe (1), an out-of-cabin exhaust pipe (2), a first connecting plate (3), a second connecting plate (4), an insect and rodent-proof net (5), and a bolt and nut assembly. The first connecting plate (3) is sleeved on one end of the in-cabin exhaust pipe (1) outside the cabin plate (8) where the in-cabin exhaust pipe (1) passes through the cabin plate (8). A plurality of first connecting holes (31) are formed in the first connecting plate (3) along the circumferential direction of the in-cabin exhaust pipe (1). The second connecting plate (4) is sleeved on one end of the out-of-cabin exhaust pipe (2) close to the cabin plate (8). A plurality of second connecting holes (41) are formed in the second connecting plate (4) along the circumferential direction of the out-of-cabin exhaust pipe (2). The number and positions of the first connecting holes (31) and the second connecting holes (41) correspond one by one. The first connecting plate (3) and the second connecting plate (4) are connected and fixed on the cabin plate (8) through the bolt and nut assembly. The screw rod of the bolt passes through the corresponding holes in the second connecting hole (41), the first connecting hole (31), and the cabin plate (8), and a nut is connected to the end of the screw rod far from the nut. The insect and rodent-proof net (5) is fixed inside or at the end of the in-cabin exhaust pipe (1) and / or the out-of-cabin exhaust pipe (2).

2. The smoke exhaust pipe of the mobile power station according to claim 1, characterized in that A sealing ring is provided between the first connecting plate (3) and the second connecting plate (4).

3. The smoke exhaust pipe of the mobile power station according to claim 2, wherein, The sealing ring is an asbestos gasket, a graphite gasket, or a metal gasket.

4. The smoke exhaust pipe of the mobile power station according to claim 1, wherein The number of both the first connecting holes (31) and the second connecting holes (41) is 4.

5. The smoke exhaust pipe of the mobile power station according to claim 1, characterized in that, A flat washer and a spring washer are further sleeved on the screw rod of the bolt close to the nut.

6. A smoke exhaust and noise reduction system, characterized in that, It includes the exhaust pipe of the mobile power station shelter according to any one of claims 1-5 and an engine muffler (6). One end of the in-cabin exhaust pipe (1) inside the cabin is connected to the engine muffler (6).

7. The smoke exhaust and noise elimination system according to claim 6, characterized in that, The in-cabin exhaust pipe (1) includes a straight pipe (11).

8. The smoke exhaust and noise reduction system according to claim 6, wherein The in-cabin exhaust pipe (1) includes one or more straight pipes (11) and one or more corrugated pipes (12). One of the straight pipes (11) is connected to the first connecting plate (3), and the corrugated pipe (12) is sleeved and connected to the straight pipe (11).

9. The smoke exhaust and noise elimination system according to claim 8, characterized in that, The corrugated pipe (12) is sleeved outside the straight pipe (11) and is fastened by a hoop (7).

10. A mobile power station, characterized in that, It includes the exhaust pipe of the mobile power station shelter according to any one of claims 1-5 or the exhaust and silencing system according to any one of claims 6-9.

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