Supporting device for pod type propeller
By designing a support device that includes a first elastic seat, a second elastic seat, and a limiting body, and using cylinders and pistons to form an air cushion for initial buffering, the problem of conventional elastic devices being prone to brittle fracture in low-temperature environments is solved, and stable support for the podded propulsion device is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-04-07
AI Technical Summary
Conventional elastic support devices are prone to brittle fracture in low-temperature environments, which makes the support devices of podded propulsion systems susceptible to breakage under low-temperature conditions.
The design employs a support device that includes a first elastic seat, a second elastic seat, and a limiting body. The limiting body restricts the buffering range of the elastic seat, and the cylinder and piston form an air cushion for initial buffering, reducing the deformation range of the elastic seat and protecting it from breakage.
It effectively reduces the probability of significant deformation and breakage of the elastic seat in low-temperature environments, and improves the stability and durability of the support device.
Smart Images
Figure CN224090407U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to ship propeller technical field especially relates to a support device for podded propeller. BACKGROUND
[0002] Podded propeller is a new type of ship propulsion device which integrates propulsion and steering device. The motor cabin of the podded propeller is placed outside the ship body, and the propeller support connected with the motor cabin passes through the installation hole formed on the ship body and is connected with the rotating device inside the ship body. The rotating device can drive the podded propeller to rotate horizontally within 360° relative to the ship body to realize steering and propulsion.
[0003] Since the ship engine often needs to work in a low temperature environment, the conventional elastic supporting spring is relatively fragile in the low temperature environment and is prone to breakage after a large amount of buffering, thereby causing the problem that the conventional elastic device is prone to breakage when applied in the low temperature environment.
[0004] Therefore, the support device for the podded propeller is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the problems in the prior art and provides a support device for a podded propeller.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a support device for a podded propeller, comprising a first elastic seat, a second elastic seat and an amplitude limiting body, the second elastic seat is elastically connected with the amplitude limiting body, the amplitude limiting body is elastically connected with the first elastic seat, the lower outer wall of the second elastic seat is slidingly connected with the inner wall of the amplitude limiting body, and the upper inner wall of the first elastic seat is slidingly connected with the outer wall of the amplitude limiting body.
[0007] When the target plate of the second elastic seat is impacted, the buffering force of the second elastic seat and the first elastic seat is utilized, and the amplitude limiting body is utilized to limit the buffering amplitude of the first elastic seat and the second elastic seat, so as to reduce the probability of breakage of the first elastic seat and the second elastic seat due to large deformation in the low temperature environment.
[0008] Preferably, the second elastic seat comprises a first mounting seat, a six-prong seat body and a first spring, the first mounting seat is fixedly connected to the upper end of the six-prong seat body, and the first spring is fixedly connected to the lower end of the six-prong seat body.
[0009] When the first mounting seat is subjected to pressure, the first mounting seat acts on the first spring through the six-prong seat body, so as to conveniently buffer the impact force of the second elastic seat.
[0010] Preferably, the second elastic seat further comprises a guide rod, and the upper end of the guide rod is fixedly connected to the lower end of the first mounting seat.
[0011] The guiding rod is slidably connected with the first elastic seat, and the guiding rod is used for stabilizing the buffering direction of the first mounting seat, thereby improving the stability of the active direction of the first mounting seat.
[0012] Preferably, the amplitude limiting body comprises a first hexagonal shell frame, a first piston, a cylinder and a second piston, the cylinder is hollowed out with a vent hole at the outer end, and the cylinder is fixedly connected to the inner end of the lower part of the first hexagonal shell frame, and the first piston and the second piston are movably and sealingly installed on the inner wall of the cylinder.
[0013] When the first spring is compressed and deformed, the six-rib seat body slides downward along the inner wall of the first hexagonal shell frame, and when the downward speed is relatively fast, the gas cushion formed by the first piston and the cylinder is used to preliminarily buffer the force, the cylinder is used to limit the deformation amplitude of the first spring, and the cylinder is used to limit the amplitude of the first elastic seat, thereby facilitating the protection of the first elastic seat and the second elastic seat.
[0014] Preferably, the first elastic seat comprises a second spring and a second hexagonal shell frame, and the lower end of the second spring is fixedly connected to the inner lower end of the second hexagonal shell frame.
[0015] The second spring is used to buffer the downward force of the amplitude limiting body, the cylinder is used to limit the downward movement amplitude of the first hexagonal shell frame, thereby limiting the deformation amplitude of the second spring and protecting the second spring.
[0016] Preferably, the first elastic seat further comprises a guide sleeve, and the guide sleeve is uniformly and fixedly connected to the upper part of the second hexagonal shell frame.
[0017] The second hexagonal shell frame is slidably connected with the guiding rod through the guide sleeve, thereby stabilizing the sliding direction of the first elastic seat and the second elastic seat.
[0018] Preferably, the first elastic seat further comprises a second mounting seat, and the second mounting seat is fixedly connected to the lower end of the second hexagonal shell frame.
[0019] The second mounting seat facilitates the butt joint installation of the first elastic seat and the target rack.
[0020] In summary, the technical effects and advantages of the utility model are as follows: 1. When the target plate of the second elastic seat is impacted, the buffering force of the second elastic seat and the first elastic seat is used, and the amplitude limiting body is used to limit the buffering amplitude of the first elastic seat and the second elastic seat, thereby reducing the probability of large deformation and breakage of the first elastic seat and the second elastic seat in low temperature.
[0021] 2, by when the first spring is pressed deformation, make six prism seat body along the first six prism shell frame inner wall down, when the down pressure speed is relatively fast, use the air cushion formed by the first piston and cylinder inside preliminary buffering force, use the cylinder stop in six prism seat body lower end, limit the first spring deformation amplitude, similarly use the cylinder limit the amplitude of the first elastic seat, facilitate the protection of the first elastic seat and the second elastic seat. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the whole structure schematic diagram of the utility model;
[0023] Figure 2 It is the second elastic seat split structure schematic diagram of the utility model;
[0024] Figure 3 It is the amplitude limiting main body cut structure schematic diagram of the utility model;
[0025] Figure 4 It is the first elastic seat structure schematic diagram of the utility model.
[0026] In the drawing: 1, first elastic seat;2, second elastic seat;3, amplitude limiting main body;11, guide sleeve;12, second spring;13, second six prism shell frame;14, second mounting seat;21, first mounting seat;22, guide rod;23, six prism seat body;24, first spring;31, first six prism shell frame;32, first piston;33, cylinder;34, air hole;35, second piston. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0028] Please refer to Figure 1 A supporting device for a pod propeller, comprising a first elastic seat 1, a second elastic seat 2 and an amplitude limiting main body 3, the upper end of the second elastic seat 2 is used for connecting a target plate, the lower end of the first elastic seat 1 is used for connecting a target rack, the second elastic seat 2 is elastically connected with the amplitude limiting main body 3, the amplitude limiting main body 3 is elastically connected with the first elastic seat 1, the lower outer wall of the second elastic seat 2 is slidingly connected with the inner wall of the amplitude limiting main body 3, and the upper inner wall of the first elastic seat 1 is slidingly connected with the outer wall of the amplitude limiting main body 3. When the target plate of the second elastic seat 2 is impacted, the buffering force of the second elastic seat 2 and the first elastic seat 1 is utilized, and the amplitude limiting main body 3 is utilized to limit the buffering amplitude of the first elastic seat 1 and the second elastic seat 2.
[0029] Please refer to Figure 2, second elastic seat 2 includes first mounting seat 21 and six prism seat body 23 and first spring 24, second elastic seat 2 is elastically connected with limiting amplitude main body 3 through first spring 24, first mounting seat 21 is fixedly connected at the upper end of six prism seat body 23, and first spring 24 is fixedly connected at the lower end of six prism seat body 23. When first mounting seat 21 is pressed, first mounting seat 21 acts on first spring 24 through six prism seat body 23, and first spring 24 is used to buffer the force.
[0030] Please refer to Figure 2 , second elastic seat 2 further includes guide rod 22, and the upper end of guide rod 22 is fixedly connected at the lower end of first mounting seat 21. First mounting seat 21 is slidably connected with first elastic seat 1 through guide rod 22, and the buffering direction of first mounting seat 21 is stabilized by using guide rod 22.
[0031] Please refer to Figure 2 and 3 , limiting amplitude main body 3 includes first six-prism shell frame 31, first piston 32, cylinder 33 and second piston 35, the outer end of cylinder 33 is hollow and is provided with air hole 34, first six-prism shell frame 31 is slidably sleeved on the outer wall of six prism seat body 23, the lower end of first spring 24 is fixedly connected at the inner lower end of first six-prism shell frame 31, first spring 24 is movably sleeved on the outer wall of cylinder 33, cylinder 33 is fixedly connected at the lower inner end of first six-prism shell frame 31, first piston 32 and second piston 35 are movably and sealingly installed on the inner wall of cylinder 33, and the upper end of first piston 32 is fixedly connected at the lower end of six prism seat body 23. When first spring 24 is pressed and deformed, six prism seat body 23 slides downward along the inner wall of first six-prism shell frame 31, when the pressing speed is relatively fast, the air cushion formed by first piston 32 and cylinder 33 is used to preliminarily buffer the force, and cylinder 33 is used to limit the deformation amplitude of first spring 24 by blocking the lower end of six prism seat body 23.
[0032] Please refer to Figure 3 and 4 , first elastic seat 1 includes second spring 12 and second six-prism shell frame 13, second six-prism shell frame 13 is movably sleeved on the outer wall of first six-prism shell frame 31, the upper end of second spring 12 is fixedly connected at the lower end of first six-prism shell frame 31, the lower end of second piston 35 is fixedly connected at the inner lower end of second six-prism shell frame 13, and the lower end of second spring 12 is fixedly connected with the inner lower end of second six-prism shell frame 13. Second spring 12 is used to buffer the pressing force of limiting amplitude main body 3, cylinder 33 is used to limit the downward movement amplitude of first six-prism shell frame 31, thereby limiting the deformation amplitude of second spring 12 and protecting second spring 12.
[0033] Please refer to Figure 2 and 4The first elastic seat 1 further comprises a guide sleeve 11 which is sleeved on the outer wall of the guide rod 22 and is fixedly connected to the upper portion of the second hexagonal shell frame 13.
[0034] Please refer to Figure 4 The first elastic seat 1 further comprises a second mounting seat 14 which is used for connecting a target rack and is fixedly connected to the lower end of the second hexagonal shell frame 13.
[0035] Working principle: the first mounting seat 21 is connected with the pod propeller, which is prior art and will not be described in detail. When the first mounting seat 21 is subjected to pressure, the first mounting seat 21 acts on the first spring 24 through the hexagonal seat body 23, the first spring 24 is used for buffering the force, when the first spring 24 is compressed and deformed, the hexagonal seat body 23 slides downward along the inner wall of the first hexagonal shell frame 31, when the downward speed is relatively fast, the first piston 32 and the air cushion formed in the cylinder 33 are used for preliminarily buffering the force, the cylinder 33 is used for limiting the deformation amplitude of the first spring 24, the second spring 12 is used for buffering the downward force of the main body 3, the cylinder 33 is used for limiting the downward movement amplitude of the first hexagonal shell frame 31, limiting the deformation amplitude of the second spring 12 and protecting the second spring 12.
[0036] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A support device for a podded propulsion device, characterized in that: It includes a first elastic seat (1), a second elastic seat (2) and a limiting body (3). The second elastic seat (2) is elastically connected to the limiting body (3), the limiting body (3) is elastically connected to the first elastic seat (1), the lower outer wall of the second elastic seat (2) is slidably connected to the inner wall of the limiting body (3), and the upper inner wall of the first elastic seat (1) is slidably connected to the outer wall of the limiting body (3).
2. The support device for a podded propulsion device according to claim 1, characterized in that: The second elastic seat (2) includes a first mounting seat (21), a hexagonal seat body (23), and a first spring (24). The first mounting seat (21) is fixedly connected to the upper end of the hexagonal seat body (23), and the first spring (24) is fixedly connected to the lower end of the hexagonal seat body (23).
3. A support device for a podded propulsion device according to claim 2, characterized in that: The second elastic seat (2) also includes a guide rod (22), the upper end of which is fixedly connected to the lower end of the first mounting seat (21).
4. The support device for a podded propulsion device according to claim 1, characterized in that: The limiting body (3) includes a first hexagonal shell (31), a first piston (32), a cylinder (33) and a second piston (35). The outer end of the cylinder (33) is hollowed out and has a ventilation hole (34). The cylinder (33) is fixedly connected to the lower inner end of the first hexagonal shell (31). The first piston (32) and the second piston (35) are movably and sealed on the inner wall of the cylinder (33).
5. A support device for a podded propulsion device according to claim 1, characterized in that: The first elastic seat (1) includes a second spring (12) and a second hexagonal shell (13), with the lower end of the second spring (12) fixedly connected to the lower end of the inner part of the second hexagonal shell (13).
6. A support device for a podded propulsion device according to claim 5, characterized in that: The first elastic seat (1) also includes a guide sleeve (11), which is uniformly and fixedly connected to the upper part of the second hexagonal shell (13).
7. A support device for a podded propulsion device according to claim 5, characterized in that: The first elastic seat (1) also includes a second mounting seat (14), which is fixedly connected to the lower end of the second hexagonal frame (13).