Supporting device for SCR exhaust pipe of main engine

Abstract

A main engine SCR exhaust pipe supporting device belongs to the technical field of ship and ocean engineering design and manufacturing and comprises an exhaust pipe main body, the exhaust pipe main body comprises three straight pipe parts, a bent pipe part and a bent pipe part, a main frame structure is arranged on the outer surface of the exhaust pipe main body, a lifting structure is arranged at the top of the outer surface of one straight pipe part, and a lifting structure is arranged at the top of the outer surface of the other straight pipe part. Supporting structures are arranged on the outer surfaces of the two straight pipe parts, and a bent pipe erecting structure is arranged on the outer surface of the bent pipe part. After the five supporting point positions on the outer surface of the exhaust pipe body are analyzed, the main frame structure, the lifting structure, the two supporting structures and the bent pipe erecting structure are erected, the five erecting structures are in a channel steel splicing mode, the structure is simple, and therefore the purposes that the lightweight support supports the exhaust pipe, and the cost of materials, transportation, installation and the like is reduced are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of ship and ocean engineering design and manufacturing, and in particular to a main engine SCR exhaust pipe supporting device. Background Art

[0002] The ship SCR (selective catalytic reduction) exhaust pipe is an important part of the ship's exhaust treatment system. It is mainly used to reduce the nitrogen oxide (NOx) content in the ship's diesel engine emissions. When installing the ship's SCR, a support frame made of spliced ​​plates is usually selected for fixing.

[0003] At present, most commonly used main engine SCR exhaust pipe brackets are made of plate splicing. The overall bracket is large and heavy, which increases the procurement cost, causes difficulties in the early design layout, and imposes a certain burden on on-site installation, transportation, and pre-embedding.

[0004] Based on the deficiencies of the existing technology, the present invention designs a host SCR exhaust pipe supporting device. Summary of the invention

[0005] The present invention provides a host SCR exhaust pipe supporting device, which has the advantages of supporting the exhaust pipe through a lightweight bracket, reducing the costs of materials, transportation, installation, etc., and solving the problems mentioned in the above background technology.

[0006] The present invention provides the following technical solution: a main engine SCR exhaust pipe supporting device, comprising an exhaust pipe main body, wherein the exhaust pipe main body comprises three straight pipe portions, one bent pipe portion and one folded pipe portion, the outer surface of the exhaust pipe main body is provided with a main frame structure, a lifting structure is provided at the top of the outer surface of one straight pipe portion, supporting structures are provided on the outer surfaces of two straight pipe portions, and a bent pipe erecting structure is provided on the outer surface of the bent pipe portion.

[0007] As a preferred technical solution of the present invention, the main frame structure includes two first telescopic rods, and an oblique connection frame is installed on one side of the outer surface of the two first telescopic rods, and the oblique connection frame is connected to the exhaust pipe body.

[0008] As a preferred technical solution of the present invention, a first side rod is fixedly installed on one side of the outer surface of the two first telescopic rods, and a first reinforcing rod is fixedly installed between the two first telescopic rods and the two first side rods.

[0009] As a preferred technical solution of the present invention, an upper connecting frame is fixedly installed on the top of the two first telescopic rods, a first controller is fixedly installed on one end of the upper connecting frame, a first electromagnet is fixedly installed on the bottom of the first controller, and the first electromagnet is adsorbed on one of the folded tube parts.

[0010] As a preferred technical solution of the present invention, the lifting structure includes a second controller, a second electromagnet is fixedly installed on the bottom of the second controller, and two of the second electromagnets are adsorbed to one of the straight tube parts.

[0011] As a preferred technical solution of the present invention, a lifting rod is fixedly installed on the top of the second controller, and three second reinforcing rods are fixedly installed inside the lifting rod.

[0012] As a preferred technical solution of the present invention, the two supporting structures include two second telescopic rods, two of which are second telescopic rods with fixed plates fixedly installed on the top, a second side rod fixedly installed on one side of the outer surface of the fixed plate, and two groups of second telescopic rods and two groups of second side rods are fixedly installed with third reinforcing rods.

[0013] As a preferred technical solution of the present invention, a bidirectional screw is rotatably installed inside the fixed plate, a handle is fixedly installed at one end of the bidirectional screw, hoops are threadedly installed on both sides of the outer surface of the bidirectional screw, and fastening bolts are threadedly installed on the internal threads of the two hoops.

[0014] As a preferred technical solution of the present invention, the bent pipe erection structure includes two third telescopic rods, the tops of the two third telescopic rods are fixedly mounted with mounting plates, and one side of the outer surface of the mounting plate is fixedly mounted with four connecting rods.

[0015] As a preferred technical solution of the present invention, a third controller is fixedly mounted on one side of the mounting plate, a third electromagnet is fixedly mounted on one side of the third controller, and the third electromagnet is adsorbed on the curved pipe portion.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. This host SCR exhaust pipe support device, after analyzing the five supporting points on the outer surface of the exhaust pipe body, erects the main frame structure, the pulling structure, the two supporting structures and the bent pipe erection structure, and the five erection structures are spliced ​​in the form of channel steel, the structure is simple, thereby achieving the purpose of supporting the exhaust pipe with a lightweight bracket and reducing the cost of materials, transportation, installation, etc.

[0018] 2. The main engine SCR exhaust pipe support device is provided with a support structure. When two support structures are erected, the height of the two second telescopic rods is adjusted to the height of the exhaust pipe body, and then the handle is turned to rotate and drive the two hoops to move toward the middle of the bidirectional screw rod, so that the two hoops can clamp the exhaust pipe body, and the hoops on both sides are tightened by the tightening bolt, so that the two straight pipe parts of the exhaust pipe body can be supported;

[0019] 3. This host SCR exhaust pipe supporting device, through the main frame structure and the bent pipe erection structure, when the main frame structure and the bent pipe erection structure are erected on the exhaust pipe body, the first controller controls the first electromagnet to have magnetic force, so as to adsorb and fix the folded pipe part of the exhaust pipe body. Through the control of the third controller, the third electromagnet can have magnetic force to adsorb and fix the bent pipe part of the exhaust pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the appearance structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the straight pipe structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of the second telescopic rod of the present invention;

[0023] Figure 4 It is a schematic diagram of the hoop structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the first electromagnet of the present invention;

[0025] Figure 6 This is a schematic diagram of the connecting rod structure of the present invention;

[0026] Figure 7 It is a schematic diagram of the lifting rod structure of the present invention.

[0027] In the figure: 1. exhaust pipe body; 2. straight pipe part; 3. bent pipe part; 4. main frame structure; 41. first telescopic rod; 42. oblique connecting frame; 43. first side rod; 44. first reinforcing rod; 45. upper connecting frame; 46. first controller; 47. first electromagnet; 5. lifting structure; 51. second controller; 52. second electromagnet; 53. lifting rod; 54. second reinforcing rod; 6. supporting structure; 61. second telescopic rod; 62. fixing plate; 63. second side rod; 64. third reinforcing rod; 65. bidirectional screw; 66. turning handle; 67. hoop; 68. fastening bolt; 7. bent pipe erection structure; 71. third telescopic rod; 72. mounting plate; 73. third controller; 74. third electromagnet; 75. connecting rod; 8. folding pipe part. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-7 A host SCR exhaust pipe supporting device includes an exhaust pipe body 1, the exhaust pipe body 1 includes three straight pipe parts 2, a bent pipe part 3 and a folded pipe part 8, the outer surface of the exhaust pipe body 1 is provided with a main frame structure 4, the top of the outer surface of one of the straight pipe parts 2 is provided with a lifting structure 5, the outer surfaces of two straight pipe parts 2 are provided with supporting structures 6, and the outer surface of the bent pipe part 3 is provided with a bent pipe erecting structure 7.

[0030] See also Figure 1-5 The main frame structure 4 includes two first telescopic rods 41, and an oblique connection frame 42 is installed on one side of the outer surface of the two first telescopic rods 41, and the oblique connection frame 42 is connected to the exhaust pipe body 1. A first side rod 43 is fixedly installed on one side of the outer surface of the two first telescopic rods 41, and a first reinforcing rod 44 is fixedly installed between the two first telescopic rods 41 and the two first side rods 43. An upper connection frame 45 is fixedly installed on the top of the two first telescopic rods 41, and a first controller 46 is fixedly installed on one end of the upper connection frame 45. A first electromagnet 47 is fixedly installed on the bottom of the first controller 46, and the first electromagnet 47 is adsorbed on one of the folded tube parts 8.

[0031] When fixing the main frame structure 4, adjust the height of the first telescopic rod 41 and the first side rod 43 to the height of the exhaust pipe body 1, and then connect them to the exhaust pipe body 1 through the oblique connecting frame 42. By starting the first controller 46, the first electromagnet 47 can be energized, and then the first electromagnet 47 can be adsorbed and fixed to the folded tube part 8.

[0032] See also Figure 7 The lifting structure 5 includes a second controller 51, a second electromagnet 52 is fixedly mounted at the bottom of the second controller 51, and two second electromagnets 52 are adsorbed on one of the straight tubes 2. A lifting rod 53 is fixedly mounted on the top of the second controller 51, and three second reinforcing rods 54 are fixedly mounted inside the lifting rod 53.

[0033] After the exhaust pipe body 1 is fixed, the second controller 51 is activated to cause the two second electromagnets 52 to adsorb the straight pipe portion 2 at the right side.

[0034] See also Figure 3-4 The two supporting structures 6 include two second telescopic rods 61, two of which are fixedly mounted with a fixing plate 62 on the top of the second telescopic rods 61, a second side rod 63 is fixedly mounted on one side of the outer surface of the fixing plate 62, and a third reinforcing rod 64 is fixedly mounted on the two groups of second telescopic rods 61 and the two groups of second side rods 63. A bidirectional screw 65 is rotatably mounted inside the fixing plate 62, a turning handle 66 is fixedly mounted on one end of the bidirectional screw 65, hoop rings 67 are threadedly mounted on both sides of the outer surface of the bidirectional screw 65, and fastening bolts 68 are threadedly mounted on the inner surfaces of the two hoop rings 67.

[0035] When erecting two supporting structures 6, the height of the two second telescopic rods 61 is adjusted to the height of the exhaust pipe body 1, and then the handle 66 is turned to rotate and drive the two hoops 67 to move toward the middle of the bidirectional screw 65, so that the two hoops 67 can clamp the exhaust pipe body 1, and the hoops 67 on both sides are tightened by the fastening bolts 68, so that the two straight pipe parts 2 of the exhaust pipe body 1 can be supported.

[0036] See also Figure 6 The elbow erection structure 7 includes two third telescopic rods 71, a mounting plate 72 is fixedly mounted on the top of the two third telescopic rods 71, and four connecting rods 75 are fixedly mounted on one side of the outer surface of the mounting plate 72. A third controller 73 is fixedly mounted on one side of the mounting plate 72, and a third electromagnet 74 is fixedly mounted on one side of the third controller 73, and the third electromagnet 74 is adsorbed on the elbow portion 3.

[0037] When the main frame structure 4 and the bent pipe mounting structure 7 are mounted on the exhaust pipe body 1, the first controller 46 controls the first electromagnet 47 to have magnetic force, thereby adsorbing and fixing the folded pipe portion 8 of the exhaust pipe body 1. The third controller 73 controls the third electromagnet 74 to have magnetic force, thereby adsorbing and fixing the bent pipe portion 3 of the exhaust pipe body 1.

[0038] Working principle: when a host SCR exhaust pipe support device is used, firstly, the stress and load analysis of the host SCR exhaust pipe is performed to find the stress condition of each exhaust pipe support point, and then the main frame structure 4, the lifting structure 5, the two support structures 6 and the bent pipe erection structure 7 are erected at the five support points, and the height of the first telescopic rod 41 and the first side rod 43 are adjusted to the height of the exhaust pipe body 1, and then connected to the exhaust pipe body 1 through the oblique connection frame 42, and the first electromagnet 47 can be energized by starting the first controller 46, and then the first electromagnet 47 can be adsorbed and fixed to the folded pipe part 8, and then the first electromagnet 47 can be adsorbed and fixed to the folded pipe part 8 by starting the first controller 46. The second controller 51 enables the two second electromagnets 52 to adsorb the straight pipe portion 2 on the right side, and then adjusts the height of the two second telescopic rods 61 to the height of the exhaust pipe body 1, and then rotates the handle 66 to drive the two hoops 67 to move toward the middle of the two-way screw 65, so that the two hoops 67 can clamp the exhaust pipe body 1, and tighten the hoops 67 on both sides through the fastening bolts 68, so as to support the two straight pipe portions 2 of the exhaust pipe body 1, and finally, through the control of the third controller 73, the third electromagnet 74 can have magnetic force to adsorb and fix the curved pipe portion 3 of the exhaust pipe body 1.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A main engine SCR exhaust pipe support device, comprising an exhaust pipe body (1), characterized in that: The exhaust pipe body (1) comprises three straight pipe sections (2), one curved pipe section (3) and one folded pipe section (8); the outer surface of the exhaust pipe body (1) is provided with a main frame structure (4); the top of the outer surface of one straight pipe section (2) is provided with a lifting structure (5); the outer surfaces of two straight pipe sections (2) are provided with supporting structures (6); and the outer surface of the curved pipe section (3) is provided with a curved pipe erection structure (7).

2. The main engine SCR exhaust pipe support device according to claim 1, characterized in that: The main frame structure (4) comprises two first telescopic rods (41), and an oblique connection frame (42) is installed on one side of the outer surface of the two first telescopic rods (41), and the oblique connection frame (42) is connected to the exhaust pipe body (1).

3. The main engine SCR exhaust pipe support device according to claim 2 is characterized in that: A first side rod (43) is fixedly mounted on one side of the outer surface of the two first telescopic rods (41), and a first reinforcing rod (44) is fixedly mounted between the two first telescopic rods (41) and the two first side rods (43).

4. The main engine SCR exhaust pipe support device according to claim 2, characterized in that: An upper connecting frame (45) is fixedly mounted on the top of the two first telescopic rods (41), a first controller (46) is fixedly mounted on one end of the upper connecting frame (45), a first electromagnet (47) is fixedly mounted on the bottom of the first controller (46), and the first electromagnet (47) is adsorbed on one of the folded tube portions (8).

5. The main engine SCR exhaust pipe support device according to claim 1, characterized in that: The lifting structure (5) comprises a second controller (51), a second electromagnet (52) is fixedly mounted on the bottom of the second controller (51), and two of the second electromagnets (52) are adsorbed onto one of the straight tube portions (2).

6. The main engine SCR exhaust pipe support device according to claim 5, characterized in that: A lifting rod (53) is fixedly mounted on the top of the second controller (51), and three second reinforcing rods (54) are fixedly mounted inside the lifting rod (53).

7. The main engine SCR exhaust pipe support device according to claim 1, characterized in that: The two supporting structures (6) include two second telescopic rods (61), two of which are second telescopic rods (61) with fixed plates (62) fixedly mounted on the top, second side rods (63) fixedly mounted on one side of the outer surface of the fixed plates (62), and two groups of the second telescopic rods (61) and two groups of the second side rods (63) fixedly mounted with third reinforcing rods (64).

8. The main engine SCR exhaust pipe support device according to claim 7, characterized in that: A bidirectional screw (65) is rotatably mounted inside the fixing plate (62), a turning handle (66) is fixedly mounted on one end of the bidirectional screw (65), hoops (67) are threadedly mounted on both sides of the outer surface of the bidirectional screw (65), and fastening bolts (68) are threadedly mounted on the inner surfaces of the two hoops (67).

9. The main engine SCR exhaust pipe support device according to claim 1, characterized in that: The bent pipe erection structure (7) comprises two third telescopic rods (71), a mounting plate (72) is fixedly mounted on the top of the two third telescopic rods (71), and four connecting rods (75) are fixedly mounted on one side of the outer surface of the mounting plate (72).

10. The main engine SCR exhaust pipe support device according to claim 9, characterized in that: A third controller (73) is fixedly mounted on one side of the mounting plate (72), a third electromagnet (74) is fixedly mounted on one side of the third controller (73), and the third electromagnet (74) is adsorbed on the curved pipe portion (3).

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