Underwater pump hanging bracket device

By introducing a composite articulated structure of the hanger base and the A-frame into the underwater pump hanger device, the structural strength and adjustment capability are enhanced, the structural deficiencies and adjustment accuracy problems of the traditional underwater pump hanger are solved, and efficient underwater operations are achieved while reducing maintenance costs.

CN120592297APending Publication Date: 2025-09-05TIANJIN TANGGU HONGGUANG SHIPPING CO LTD +1
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Patent Information

Application Number
CN202511020581.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-24
Publication Date
2025-09-05

AI Technical Summary

Technical Problem

The underwater pump hanger structure of traditional trailing suction hopper dredgers is insufficient in strength and has limited adjustment accuracy, making it difficult to adapt to complex underwater working conditions. The auxiliary pipeline channels have low integration, resulting in high installation and maintenance costs.

Method used

A submersible pump hanger device is designed. It adopts a composite hinged structure of the hanger base and the A-frame, adds multiple layers of stiffeners, vertical plates and load-bearing rings, combines the cylinder hinge point, swing hinge point and the A-frame lower hinge point to achieve 360° swing adjustment, and adopts an integrated design of the pulley support ring, pulley support plate and hanging ring.

Benefits of technology

It improves the corrosion resistance and impact resistance of the structure, extends the service life of the equipment, improves lifting efficiency, reduces maintenance costs, meets dynamic operation needs, and achieves stable control and precise adjustment of the pump body posture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an underwater pump hanging bracket device, and relates to the technical field of drag suction dredgers. The underwater pump hanging bracket device comprises a front panel, a hanging bracket base and an A-shaped frame, the hanging bracket base comprises a rear panel, an oil cylinder lug plate, an oil cylinder seat plate, a plurality of side panels, a hinge point lug plate, a cover plate and a baffle, the side panels are fixedly connected with the front panel, the oil cylinder seat plate is fixedly connected to the top of the front panel, and the A-shaped frame is fixedly connected with the cover plate. The number of the oil cylinder lug plates is multiple, the oil cylinder lug plates are fixedly connected to the top of the oil cylinder base plate, the hinge point lug plates are arranged on the two sides of the front panel, the cover plates are fixedly connected to the surfaces of the oil cylinder lug plates, and the baffles are fixedly connected to the surfaces of the oil cylinder lug plates. Meanwhile, through the composite hinge design of the oil cylinder hinge point, the swing hinge point and the A-shaped lower hinge point, the adjustment limitation of a traditional hanging bracket is broken through, and the dynamic operation requirement is met.
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Description

Technical Field

[0001] The invention relates to the technical field of trailing suction dredgers, and in particular to an underwater pump hanger device. Background Art

[0002] The underwater pump hanger of a trailing suction hopper dredger is the key supporting structure connecting the hull and the underwater mud pump. It is usually welded with high-strength steel and has corrosion and impact resistance. Its core functions include suspending and fixing the underwater mud pump to ensure that the pump body maintains a stable posture during excavation operations, and achieving precise control of the depth and angle of the pump body through hydraulic or mechanical adjustment systems. It integrates auxiliary pipeline channels such as high-pressure water pipes and cables. The design of the hanger needs to take into account multiple dynamic factors such as water flow impact force, sediment load and ship movement. Common structural forms include A-frame, gantry hanger, etc. Some advanced models are also equipped with real-time stress monitoring sensors.

[0003] The underwater pump hanger of traditional trailing suction hopper dredgers mostly adopts a simple A-frame or portal structure, which has problems such as insufficient structural strength and limited adjustment accuracy. The supporting components of the existing hanger are easily deformed due to the impact force of water flow and sediment load, and the hinged parts lack multi-dimensional adjustment mechanisms, making it difficult to adapt to complex underwater working conditions. The auxiliary pipeline channels have low integration and the pulley system support structure is single, resulting in high installation and maintenance costs. Therefore, an underwater pump hanger device is needed. Summary of the Invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide an underwater pump hanger device that can solve the problem.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an underwater pump hanger device, comprising a front panel, a hanger base and an A-frame, the hanger base comprising a rear panel, a cylinder ear plate, a cylinder seat plate, a side panel, a hinge ear plate, a cover plate and a baffle, the number of side panels is multiple and all are fixedly connected to the front panel, the cylinder seat plate is fixedly connected to the top of the front panel, the number of cylinder ear plates is multiple and all are fixedly connected to the top of the cylinder seat plate, the hinge ear plates are arranged on both sides of the front panel, the cover plate is fixedly connected to the surface of the cylinder ear plate, and the baffle is fixedly connected to the surface of the cylinder ear plate. The A-frame includes side panels B, a rear panel B, a rib panel B, an upper panel, a middle panel and a front panel B. The side panels B are arranged on both sides of the front panel. The rear panel B is fixedly connected to the side panels B. The rib panel B is fixedly connected to the surface of the side panels B. The upper panel is fixedly connected to the top of the side panels B. The front panel B is fixedly connected to the surface of the side panels B. There are multiple rib panels B and they are all located in the space formed by the side panels B, the rear panel B and the front panel B. The upper panel is fixedly connected to the rear panel B and the front panel B. The middle panel is fixedly connected to the opposite surfaces of the two side panels B.

[0006] Preferably, the hanger base also includes ribs, panels and pulley support rings, there are multiple ribs and they are all fixedly connected to the surface of the side panels, the top of each rib is fixedly connected to the cylinder seat plate, there are multiple panels and they are all fixedly connected to the surface of the front panel, each panel is located inside the space formed by the front panel, the rear panel and the side panels, there are multiple pulley support rings and they are all arranged on the surface of the side panels.

[0007] Preferably, the hanger base also includes a pulley support plate, a lifting lug and a lifting ring. There are multiple pulley support plates and they are all fixedly connected to the surface of the side panel. There are multiple lifting lugs and they are all fixedly connected to the bottom of the cylinder seat plate. The lifting ring is arranged on the surface of the rear panel, and the lifting ring is located inside the space formed by the front panel, the rear panel and the side panel.

[0008] Preferably, the surface of the hinge ear plate is provided with a load-bearing ring, and the surfaces of the front panel, the rear panel and the side panels are fixedly connected with a plurality of vertical panels for increasing the structural strength.

[0009] Preferably, the A-frame further includes a cylinder ear plate B, a lifting ear B and a stop block. The number of the cylinder ear plates B is multiple and they are all fixedly connected to the surface of the upper panel. The number of the lifting ears B is two and they are all fixedly connected to the top of the upper panel. The stop block is fixedly connected to the surface of the middle panel.

[0010] Preferably, the A-frame also includes a jigsaw puzzle, a bottom seat plate, a vertical plate and a sleeve. The jigsaw puzzle is fixedly connected to the surface of the middle panel, the bottom seat plate is fixedly connected to the bottom of the side panel B, there are multiple vertical plates and they are all fixedly connected to the bottom of the bottom seat plate, and the sleeve is fixedly connected to the surface of the vertical plate.

[0011] Preferably, a plurality of load-bearing rings B are fixedly connected to the top of the upper panel, and a baffle is provided on the top of each load-bearing ring B.

[0012] Preferably, a pulley hinge point is provided on the surface of the side panel, and a cylinder hinge point is provided on the surface of the cylinder ear plate.

[0013] Preferably, a swing hinge is provided at the top of the upper panel, and an A-shaped lower hinge is provided on the hinge ear plate.

[0014] Preferably, the A-frame is hinged to the hanger base via an A-shaped lower hinge point.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This underwater pump hanger device strengthens the structure's corrosion and impact resistance by adding multiple layers of ribs, vertical plates, and load-bearing rings to the hanger base and A-frame. At the same time, the composite articulated design of the cylinder hinge, swing hinge, and A-frame lower hinge overcomes the adjustment limitations of traditional hangers and meets dynamic operation requirements.

[0017] 2. The underwater pump hanger device, through the hanger base and the rib plate, vertical plate and bearing ring design in the A-frame, disperses the impact force of water flow and sediment load to the overall frame, thereby improving the structure's anti-deformation ability and extending the service life of the equipment.

[0018] 3. The underwater pump hanger device realizes 360° swing adjustment of the underwater pump through a composite articulated structure. Cooperating with the hydraulic system, it can accurately control the depth and angle of the pump body to adapt to different excavation conditions.

[0019] 4. The underwater pump hanger device improves the underwater pump lifting efficiency through the integrated design of the pulley support ring, pulley support plate and lifting ring, and each hinge point adopts a detachable structure, so there is no need to dismantle the hanger as a whole during maintenance, reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0021] Figure 1 It is a schematic diagram of the body of the present invention;

[0022] Figure 2 Schematic diagram of the pulley hinge point of the present invention;

[0023] Figure 3 is a schematic diagram of the front panel of the present invention;

[0024] Figure 4 is a schematic diagram of the rear panel of the present invention;

[0025] Figure 5 It is a schematic diagram of the hanging ring of the present invention;

[0026] Figure 6 Schematic diagram of the front panel B of the present invention;

[0027] Figure 7 This is a schematic diagram of the oil cylinder ear plate B of the present invention;

[0028] Figure 8 This is a schematic diagram of the rib plate B of the present invention;

[0029] Figure 9 It is a schematic diagram of the sleeve of the present invention;

[0030] Figure 10 For the present invention Figure 9 Schematic diagram at point A in the middle.

[0031] Figure markings: 1. Front panel; 2. Rear panel; 3. Cylinder ear plate; 4. Cylinder seat plate; 5. Rib plate; 6. Panel; 7. Pulley support ring; 8. Pulley support plate; 9. Side panel; 10. Hinge ear plate; 11. Cover plate; 12. Lifting ear; 13. Lifting ring; 14. Baffle; 15. Load-bearing ring; 16. Side panel B; 17. Rear panel B; 18. Rib plate B; 19. Cylinder ear plate B; 20. Lifting ear B; 21. Upper panel; 22. Middle panel; 23. Stop block; 24. Front panel B; 25. Panel; 26. Bottom seat plate; 27. Vertical plate; 28. Sleeve; 29. ​​Load-bearing ring B; 30. Hanger base; 31. A-frame; 32. Pulley hinge; 33. Cylinder hinge; 34. Swing hinge; 35. A-shaped lower hinge. DETAILED DESCRIPTION

[0032] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0033] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0034] In the description of this invention, terms such as "greater than," "less than," and "exceed" are understood to exclude the number itself, while terms such as "above," "below," and "within" are understood to include the number itself. The use of terms such as "first" and "second" is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0035] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0036] See also Figure 1-10The present invention provides a technical solution: an underwater pump hanger device, comprising a front panel 1, a hanger base 30 and an A-frame 31, the hanger base 30 comprises a rear panel 2, a cylinder ear plate 3, a cylinder seat plate 4, a side panel 9, a hinge ear plate 10, a cover plate 11 and a baffle 14, the number of the side panels 9 is multiple and all are fixedly connected to the front panel 1, the cylinder seat plate 4 is fixedly connected to the top of the front panel 1, the number of the cylinder ear plates 3 is multiple and all are fixedly connected to the top of the cylinder seat plate 4, the hinge ear plates 10 are arranged on both sides of the front panel 1, the cover plate 11 is fixedly connected to the surface of the cylinder ear plate 3, the baffle 14 is fixedly connected to the surface of the cylinder ear plate 3, the A-frame 31 comprises a side panel B 16, rear panel B17, rib plate B18, upper panel 21, middle panel 22 and front panel B24, side panels B16 are arranged on both sides of the front panel 1, the rear panel B17 is fixedly connected to the side panel B16, the rib plate B18 is fixedly connected to the surface of the side panel B16, the upper panel 21 is fixedly connected to the top of the side panel B16, the front panel B24 is fixedly connected to the surface of the side panel B16, there are multiple rib plates B18 and they are all located inside the space formed by the side panels B16, the rear panel B17 and the front panel B24, the upper panel 21 is fixedly connected to the rear panel B17 and the front panel B24, and the middle panel 22 is fixedly connected to the opposite surfaces of the two side panels B16.

[0037] Furthermore, the hanger base 30 also includes a rib plate 5, a panel 6 and a pulley support ring 7. There are multiple rib plates 5 and they are all fixedly connected to the surface of the side panel 9. The top of each rib plate 5 is fixedly connected to the cylinder seat plate 4. There are multiple panels 6 and they are all fixedly connected to the surface of the front panel 1. Each panel 6 is located inside the space formed by the front panel 1, the rear panel 2 and the side panel 9. There are multiple pulley support rings 7 and they are all arranged on the surface of the side panel 9. The hanger base 30 also includes a pulley support plate 8, a lifting lug 12 and a lifting ring 13. There are multiple pulley support plates 8 and they are all fixedly connected to the surface of the side panel 9. There are multiple lifting lugs 12 and they are all fixedly connected to the bottom of the cylinder seat plate 4. The lifting ring 13 is arranged on the surface of the rear panel 2. The lifting ring 13 is located inside the space formed by the front panel 1, the rear panel 2 and the side panel 9. The surface of the hinge ear plate 10 is provided with a load-bearing ring 15. The surfaces of the front panel 1, the rear panel 2 and the side panel 9 are all fixedly connected with multiple vertical plates for increasing the structural strength.

[0038] Furthermore, the A-frame 31 further includes a cylinder ear plate B19, a lifting ear B20 and a stopper 23. The number of the cylinder ear plates B19 is multiple and all are fixedly connected to the surface of the upper plate 21. The number of the lifting ears B20 is two and all are fixedly connected to the top of the upper plate 21. The stopper 23 is fixedly connected to the surface of the middle panel 22. The A-frame 31 further includes a puzzle 25, a bottom seat plate 26, a vertical plate 27 and a sleeve 28. The puzzle 25 is fixedly connected to the surface of the middle panel 22, the bottom seat plate 26 is fixedly connected to the bottom of the side panel B16, and the vertical plate 27 is fixedly connected to the side panel B16. There are multiple plates 27 and they are all fixedly connected to the bottom of the bottom seat plate 26. The sleeve 28 is fixedly connected to the surface of the vertical plate 27. The top of the upper panel 21 is fixedly connected with multiple load-bearing rings B29. The top of each load-bearing ring B29 is provided with a baffle. The surface of the side panel 9 is provided with a pulley hinge 32. The surface of the cylinder ear plate 3 is provided with a cylinder hinge 33. The top of the upper panel 21 is provided with a swing hinge 34. The hinge ear plate 10 is provided with an A-shaped lower hinge 35. The A-frame 31 is hinged to the hanger base 30 through the A-shaped lower hinge 35.

[0039] Furthermore, the working principle of the underwater pump hanger device is that a swingable basic structure is formed by hinged connection between the hanger base 30 and the A-frame 31 at the A-shaped lower hinge point 35, and the cylinder ear plate 3 fixed on the top of the cylinder seat plate 4 on the hanger base 30 is connected to the hydraulic system through the cylinder hinge point 33. When hydraulically driven, the cylinder ear plate 3 can drive the A-frame 31 to swing around the A-shaped lower hinge point 35. At the same time, the swing hinge point 34 on the top of the upper panel 21 of the A-frame 31 can cooperate to adjust the angle and depth of the underwater pump, and the pulley hinge 3 on the surface of the side panel 9 can adjust the angle and depth of the underwater pump. 2 together with the pulley support ring 7 and the pulley support plate 8 form a traction system for traction and fixation when lifting the underwater pump. The lifting lug 12 at the bottom of the cylinder seat plate 4 and the lifting ring 13 on the surface of the rear panel 2 provide lifting fulcrums. The load-bearing ring 15 on the surface of the hinge ear plate 10 and the vertical plates on the surfaces of the front panel 1, the rear panel 2, and the side panels 9 enhance the impact strength of the structure. When the A-frame 31 suspends the underwater pump, the hydraulic system and various mechanical components work together to achieve stable posture control and precise adjustment of the pump body during underwater operation.

[0040] Furthermore, by adding multiple layers of stiffeners, vertical plates and load-bearing rings to the hanger base and A-frame, the corrosion resistance and impact resistance of the structure are enhanced. At the same time, the composite articulated design of the cylinder hinge, swing hinge and A-frame lower hinge breaks through the adjustment limitations of the traditional hanger and meets the needs of dynamic operations. The stiffeners, vertical plates and load-bearing rings in the hanger base and A-frame are designed to disperse the impact force of the water flow and the sediment load to the overall frame, thereby improving the structure's deformation resistance and extending the service life of the equipment. The composite articulated structure allows 360-degree swing adjustment of the underwater pump, and the hydraulic system can accurately control the depth and angle of the pump body to adapt to different excavation conditions. The integrated design of the pulley support ring, pulley support plate and lifting ring improves the lifting efficiency of the underwater pump, and each hinge adopts a detachable structure. There is no need to dismantle the hanger as a whole for maintenance, reducing maintenance costs.

[0041] Structural description: Front panel 1: Serves as the front support structure of the hanger device, fixedly connected to the side panels 9, together forming the main frame of the hanger, used for installing and fixing other components;

[0042] Rear panel 2: arranged opposite to the front panel 1, and together with the side panels 9 and other structures, encloses a closed or semi-enclosed space to provide additional structural strength and stability;

[0043] Cylinder ear plate 3: fixedly connected to the top of the cylinder base plate 4, used to install and support the cylinder, realizing the lifting and angle adjustment functions of the hanger;

[0044] Cylinder seat plate 4: fixedly connected to the top of the front panel 1, serving as the support base for the cylinder ear plate 3 to ensure stable installation and operation of the cylinder;

[0045] Rib plate 5: fixedly connected to the surface of the side panel 9, connected to the cylinder seat plate 4 and other structures, to increase the overall rigidity and load-bearing capacity of the hanger;

[0046] Panel 6: fixedly connected to the surface of the front panel 1, located inside the space formed by the front panel 1, the rear panel 2 and the side panels 9, and used to increase structural strength;

[0047] Pulley support ring 7: provided on the surface of the side panel 9, used for mounting and supporting the pulley to facilitate the sliding and positioning of the hanger;

[0048] Pulley support plate 8: fixedly connected to the surface of the side panel 9, and works together with the pulley support ring 7 and other structures to provide stable support for the pulley;

[0049] Side panels 9: There are multiple side panels 9, which are fixedly connected to the front panel 1 and the rear panel 2, forming the main side structure of the hanger and used for installing and fixing various components;

[0050] Hinge point lugs 10: provided on both sides of the front panel 1, used to install hinge points, realize the hinged connection between the hanger and other structures, and facilitate the angle adjustment and fixation of the hanger;

[0051] Cover plate 11: fixedly connected to the surface of the cylinder ear plate 3, used to close the opening on the cylinder ear plate 3 to prevent debris from entering or protect the internal structure;

[0052] Lifting ring 13: provided on the surface of the rear panel 2, located inside the space formed by the front panel 1, the rear panel 2 and the side panel 9, for lifting and carrying the hanger device;

[0053] Baffle 14: fixedly connected to the surface of the cylinder ear plate 3, used to prevent the cylinder and other components from shifting or being damaged during operation;

[0054] Load-bearing ring 15: provided on the surface of hinge ear plate 10, used to increase the bearing capacity of the hinge connection;

[0055] Side panels B16: provided on both sides of the front panel 1, and together with the rear panel B17 and other structures, constitute the main frame of the A-frame 31;

[0056] Rear panel B17: fixedly connected to the side panel B16, serving as the rear support structure of the A-frame 31;

[0057] Rib B18: Fixedly connected to the surface of the side panel B16, located inside the space formed by the side panel B16, the rear panel B17 and the front panel B24, to increase the overall rigidity and load-bearing capacity of the A-frame 31;

[0058] Cylinder lug B19: fixedly connected to the surface of the upper plate 21, used to install and support the cylinder, and realize the adjustment function of the A-frame 31 relative to the hanger base 30;

[0059] Lifting lug B20: fixedly connected to the top of the upper plate 21, used for lifting and carrying the A-frame 31 or the entire hanger device;

[0060] Upper panel 21: fixedly connected to the top of the side panel B16, serving as the top support structure of the A-frame 31, used for installing and fixing other components;

[0061] Middle panel 22: fixedly connected to the opposite sides of the two side panels B16, serving as the middle support structure of the A-frame 31 to increase its overall stability;

[0062] Stopper 23: fixedly connected to the surface of the middle panel 22, used to limit the movement range of other components;

[0063] Front panel B24: fixedly connected to the surface of the side panel B16, serving as the front support structure of the A-frame 31;

[0064] Jigsaw panel 25: fixedly connected to the surface of the middle panel 22, used to increase the structural strength of the middle panel 22;

[0065] Bottom seat plate 26: fixedly connected to the bottom of the side panel B16, serving as the bottom support structure of the A-frame 31;

[0066] Vertical plate 27: fixedly connected to the bottom of the bottom seat plate 26, used to increase the structural strength of the bottom seat plate 26;

[0067] Sleeve 28: fixedly connected to the surface of the vertical plate 27, and may be used to install and support other components;

[0068] Load-bearing ring B29: fixedly connected to the top of the upper plate 21. A baffle is provided on the top of each load-bearing ring B29 to support and fix other components.

[0069] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the scope of the present invention.

Claims

1. An underwater pump hanger device, characterized in that: include: Front panel (1); A hanger base (30), the hanger base (30) comprises a rear panel (2), a cylinder ear plate (3), a cylinder seat plate (4), a side panel (9), a hinge ear plate (10), a cover plate (11) and a baffle (14), the side panels (9) are multiple and all are fixedly connected to the front panel (1), the cylinder seat plate (4) is fixedly connected to the top of the front panel (1), the cylinder ear plates (3) are multiple and all are fixedly connected to the top of the cylinder seat plate (4), the hinge ear plates (10) are arranged on both sides of the front panel (1), the cover plate (11) is fixedly connected to the surface of the cylinder ear plate (3), and the baffle (14) is fixedly connected to the surface of the cylinder ear plate (3); The A-shaped frame (31) includes a side panel B (16), a rear panel B (17), a rib plate B (18), an upper panel (21), a middle panel (22) and a front panel B (24). The side panels B (16) are arranged on both sides of the front panel (1), the rear panel B (17) is fixedly connected to the side panels B (16), the rib plate B (18) is fixedly connected to the surface of the side panels B (16), the upper panel (21) is fixedly connected to the top of the side panels B (16), the front panel B (24) is fixedly connected to the surface of the side panels B (16), the number of the rib plates B (18) is multiple and all are located inside the space formed by the side panels B (16), the rear panel B (17) and the front panel B (24), the upper panel (21) is fixedly connected to the rear panel B (17) and the front panel B (24), and the middle panel (22) is fixedly connected to the opposite surfaces of the two side panels B (16).

2. The underwater pump hanger device according to claim 1, characterized in that: The hanger base (30) further comprises a rib plate (5), a panel (6) and a pulley support ring (7); the number of the rib plates (5) is multiple and all are fixedly connected to the surface of the side panel (9); the top of each rib plate (5) is fixedly connected to the cylinder seat plate (4); the number of the panels (6) is multiple and all are fixedly connected to the surface of the front panel (1); each panel (6) is located inside the space formed by the front panel (1), the rear panel (2) and the side panel (9); the number of the pulley support ring (7) is multiple and all are arranged on the surface of the side panel (9).

3. The underwater pump hanger device according to claim 1, characterized in that: The hanger base (30) also includes a pulley support plate (8), a lifting lug (12) and a lifting ring (13). The pulley support plates (8) are multiple in number and are all fixedly connected to the surface of the side panel (9). The lifting lugs (12) are multiple in number and are all fixedly connected to the bottom of the cylinder seat plate (4). The lifting ring (13) is arranged on the surface of the rear panel (2). The lifting ring (13) is located inside the space formed by the front panel (1), the rear panel (2) and the side panel (9).

4. The underwater pump hanger device according to claim 1, characterized in that: The surface of the hinge ear plate (10) is provided with a load-bearing ring (15), and the surfaces of the front panel (1), the rear panel (2) and the side panel (9) are all fixedly connected with a plurality of vertical panels for increasing the structural strength.

5. The underwater pump hanger device according to claim 1, characterized in that: The A-shaped frame (31) further comprises a cylinder lug plate B (19), a lifting lug B (20) and a stopper (23). The cylinder lug plates B (19) are multiple in number and are all fixedly connected to the surface of the upper plate (21). The lifting lugs B (20) are two in number and are both fixedly connected to the top of the upper plate (21). The stopper (23) is fixedly connected to the surface of the middle plate (22).

6. The underwater pump hanger device according to claim 1, characterized in that: The A-shaped frame (31) further comprises a panel (25), a bottom seat plate (26), a vertical plate (27) and a sleeve (28), wherein the panel (25) is fixedly connected to the surface of the middle panel (22), the bottom seat plate (26) is fixedly connected to the bottom of the side panel B (16), the number of the vertical plates (27) is multiple and all of them are fixedly connected to the bottom of the bottom seat plate (26), and the sleeve (28) is fixedly connected to the surface of the vertical plate (27).

7. The underwater pump hanger device according to claim 1, characterized in that: A plurality of load-bearing rings B (29) are fixedly connected to the top of the upper panel (21), and a baffle is provided on the top of each load-bearing ring B (29).

8. The underwater pump hanger device according to claim 1, characterized in that: The surface of the side panel (9) is provided with a pulley hinge point (32), and the surface of the cylinder ear plate (3) is provided with a cylinder hinge point (33).

9. The underwater pump hanger device according to claim 1, characterized in that: The top of the upper panel (21) is provided with a swing hinge (34), and the hinge ear plate (10) is provided with an A-shaped lower hinge (35).

10. The underwater pump hanger device according to claim 9, characterized in that: The A-shaped frame (31) is hinged to the hanger base (30) via an A-shaped lower hinge point (35).