Vibration isolation device of ship generator set
By designing a vibration isolation device for ship generator sets that includes isolation and installation mechanisms, and by adjusting the damping effect using adjustment components and an airbag system, the problem that existing devices cannot adapt to different loads and operating conditions is solved, the adaptability and efficiency of the device are improved, and the installation process is simplified.
Patent Information
- Application Number
- CN202520373305.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing vibration isolation devices for ship generator sets cannot flexibly adjust the damping effect, cannot adapt to vibration characteristics under different loads and operating conditions, and reduce work efficiency.
A vibration isolation device for ship generator sets, comprising an isolation mechanism and an installation mechanism, was designed. The damping effect is adjusted by adjusting components and an airbag system, and gas is supplied by a solenoid valve and connecting pipe to achieve flexible adjustment of the damping effect.
It achieves optimal isolation under different loads and operating conditions, improves the adaptability and efficiency of the device, and simplifies the installation and disassembly process.
Smart Images

Figure CN223754547U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of shock absorption, and specifically to a ship generator set vibration isolation device. BACKGROUND
[0002] With the development of global shipping industry, modern ships increasingly rely on efficient generator sets in design and construction, which provide power and electricity for the ship, ensuring normal operation of equipment. The generator set will produce a lot of vibration and noise during operation, which not only affects the working environment of the crew, but also may cause damage to the ship and other equipment. Long-term vibration will cause mechanical fatigue, wear and tear of parts, and accelerate equipment aging. Therefore, the ship generator set vibration isolation device is needed.
[0003] For example, a water turbine generator set vibration absorption device with patent publication number CN208153600U sets up a vibration absorption device on the water turbine generator set and sets up a damping cylinder in the vibration absorption device. When the water turbine generator set vibrates, the vibration absorption device absorbs vibration energy and reduces energy consumption. The device is easy to install and can effectively absorb vibration energy to ensure structural safety.
[0004] However, the above-mentioned device has the problem that the vibration absorption device inside cannot be adjusted flexibly during use because it uses a single damper, which cannot adapt to different load and working condition vibration characteristics, reducing work efficiency. Therefore, a more convenient and practical isolation device is needed to meet the use requirements. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a ship generator set vibration isolation device to solve the problems in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a ship generator set vibration isolation device, including an isolation mechanism for isolating the vibration generated during the operation of the ship generator set, the isolation mechanism includes a base, the top center of the base is fixedly connected with an air bag, one side of the bottom of the base is provided with an electromagnetic air valve, one side of the top of the electromagnetic air valve is fixedly connected with an air inlet pipe, one side of the bottom is fixedly connected with an air outlet pipe, one end of the air outlet pipe is fixedly connected with a connecting pipe, and the other end of the connecting pipe is connected with the air bag, four corners of the top of the base are provided with adjusting assemblies, and the top of the base is provided with a mounting mechanism for connecting with the generator.
[0007] Further, the adjusting assembly includes a damping rod, one end of the damping rod is fixedly connected with a rubber pad, and the other end of the damping rod is externally screwed with a control ring.
[0008] Further, the damping rod outer wall is provided with a spring, one end of the spring is in contact with the rubber pad, and the other end is in contact with the control ring.
[0009] Further, the mounting mechanism comprises a support plate connected between the air bag and the rubber pad, and a sponge pad is fixedly connected to the top of the support plate.
[0010] Further, sponge pads are fixedly connected to the top of both sides of the bottom plate, fixed plates are fixedly connected to the top of both sides of the bottom plate, a notch is formed in one side of the fixed plate, and a sliding block is slidably connected in the notch.
[0011] Further, a plurality of equidistant limiting holes are formed in one side of the fixed plate, a limiting rod is inserted into the limiting hole, the limiting rod penetrates the sliding block, and connecting columns are fixedly connected to the top of both sides of the sliding block.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The ship generating set vibration isolation device, through the setting of the isolation mechanism and the mounting mechanism, in the use process, first of all according to the demand manual rotation control ring and under the cooperation of spring and rubber pad, adjustment damping effect, then through the air inlet pipe, electromagnetic air valve, exhaust pipe and connecting pipe to the air bag, finally the air bag, rubber pad and support plate are connected, the device can flexibly adjust the damping effect, to adapt to the vibration characteristics under different loads and working conditions, ensure that always keep the best isolation effect, the practicality is stronger, is suitable for promotion.
[0014] Meanwhile, the mounting mechanism is convenient for being connected with the ship generating set, and the simple fixing mode makes the installation and dismounting of the equipment efficient, saves time and labor cost. DETAILED DESCRIPTION
[0015] Fig. 1 It is a whole mechanism structure schematic view of the utility model;
[0016] Fig. 2 It is an isolation mechanism structure schematic view of the utility model;
[0017] Fig. 3 It is a mounting mechanism structure schematic view of the utility model.
[0018] In the drawing: 1, base; 2, air bag; 3, electromagnetic air valve; 4, air inlet pipe; 5, exhaust pipe; 6, connecting pipe; 7, damping rod; 8, rubber pad; 9, control ring; 10, spring; 11, support plate; 12, sponge pad; 13, bottom plate; 14, fixed plate; 15, sliding block; 16, limiting rod; 17, connecting column. DETAILED DESCRIPTION
[0019] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0020] In the use process of the ship generator, the vibration isolation device needs to be used, the vibration isolation device provided by the utility model is specially used for the vibration isolation operation of the generator in the use process of the ship generator, in the process of using the device to carry out the vibration isolation operation, it is necessary to ensure that the vibration isolation device is installed in the appropriate position, the normal operation of the generator set and the work of other devices are avoided, the parts of the isolation device are regularly checked, the worn or aged components are replaced in time, so that the normal function is ensured, in the humid environment, the corrosion resistance of the material needs to be paid special attention to, and it is ensured that all parts are not easily damaged in the humid environment.
[0021] As shown in Figs. 1-3 The utility model provides a technical scheme: a ship generator set vibration isolation device, including isolation mechanism, be used for isolating the vibration generated when the ship generator set runs, the isolation mechanism contains base 1, the top central fixed connection of base 1 has air bag 2, base 1 bottom one side is installed with electromagnetic air valve 3, the top one side fixed connection of electromagnetic air valve 3 has inlet pipe 4, bottom one side fixed connection has exhaust pipe 5, one end fixed connection of exhaust pipe 5 has connecting pipe 6, connecting pipe 6 other end and air bag 2 are connected, the four corners of base 1 top are provided with adjusting assembly, and base 1 top is provided with mounting mechanism, is used for and carries out the connection with generator.
[0022] As shown in Fig. 2 The adjusting assembly includes a damping rod 7, one end of the damping rod 7 is fixedly connected with a rubber pad 8, the other end of the damping rod 7 is externally threaded with a control ring 9, a spring 10 is installed on the outer wall of the damping rod 7, one end of the spring 10 is in contact with the rubber pad 8, and the other end of the spring 10 is in contact with the control ring 9.
[0023] It should be noted that, in the use process, first, the control ring 9 is manually rotated according to the demand, and the damping effect is adjusted under the cooperation of the spring 10 and the rubber pad 8, then the air bag 2 is supplied with air through the inlet pipe 4, the electromagnetic air valve 3, the exhaust pipe 5 and the connecting pipe 6, and finally the air bag 2, the rubber pad 8 and the supporting plate 11 are connected, the isolation mechanism can effectively absorb the vibration generated in the operation process of the generator set, and reduce the direct impact on the ship body.
[0024] As shown in Fig. 3As shown, the mounting mechanism comprises a support plate 11 connected between the air bag 2 and the rubber pad 8, a sponge pad 12 fixedly connected to the top of the support plate 11, a bottom plate 13 fixedly connected to the top of the sponge pad 12 on both sides, a fixed plate 14 fixedly connected to the top of the bottom plate 13 on both sides, a slot is formed on one side of the fixed plate 14, a sliding block 15 is slidably connected in the slot, a plurality of equidistant limiting holes are formed on one side of the fixed plate 14, a limiting rod 16 is inserted into the limiting hole, the limiting rod 16 penetrates through the sliding block 15, and a connecting column 17 is fixedly connected to the top of the sliding block 15 on both sides.
[0025] It should be noted that, in use, first, the support plate 11 and the air bag 2 are sealed, then the bottom plate 13 and the sponge pad 12 are connected, then the sliding block 15 is manually pushed to slide on the fixed plate 14 to a specified distance and is fixed by using the limiting rod 16, and finally the connecting column 17 is connected with the generator set, so that the mounting mechanism is convenient to connect with the ship generator set, and the simple fixing mode makes the installation and disassembly of the equipment efficient, saving time and labor cost.
[0026] It should be noted that the device is recommended to be installed at the bottom of the ship generator set, and the specific number of installations is adjusted according to the use environment, demand and desired effect, and the overall cost is between 3000 yuan and 10000 yuan. During use, first, the control ring 9 is manually rotated according to the demand, and the damping effect is adjusted under the cooperation of the spring 10 and the rubber pad 8, then the air bag 2 is supplied with air through the air inlet pipe 4, the electromagnetic air valve 3, the air outlet pipe 5 and the connecting pipe 6, finally the air bag 2, the rubber pad 8 and the support plate 11 are connected, then the bottom plate 13 and the sponge pad 12 are connected, then the sliding block 15 is manually pushed to slide on the fixed plate 14 to a specified distance and is fixed by using the limiting rod 16, and finally the connecting column 17 is connected with the generator set. The device can flexibly adjust the damping effect to adapt to the vibration characteristics under different loads and working conditions, and ensure that the best isolation effect is always maintained.
[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles of the present application, and the scope of the present application is defined by the appended embodiments and their equivalents.
Claims
1. A marine generator set vibration isolation arrangement characterised in that: The application relates to a vibration isolation mechanism for isolating vibration generated during operation of a marine generator set, which comprises a base (1), a gas bag (2) fixedly connected to the top center of the base (1), an electromagnetic air valve (3) installed on one side of the bottom of the base (1), an air inlet pipe (4) fixedly connected to one side of the top of the electromagnetic air valve (3), an air outlet pipe (5) fixedly connected to one side of the bottom of the electromagnetic air valve (3), a connecting pipe (6) fixedly connected to one end of the air outlet pipe (5), and the other end of the connecting pipe (6) being connected to the gas bag (2), four adjusting assemblies arranged at the four corners of the top of the base (1), and an installation mechanism arranged on the top of the base (1) and used for connecting with the generator.
2. A vibration isolation device for a marine generator set as claimed in claim 1, characterised in that: The adjusting assembly comprises a damping rod (7), one end of the damping rod (7) being fixedly connected with a rubber pad (8), and the outer wall of the other end of the damping rod (7) being screwed with a control ring (9).
3. A vibration isolation arrangement for a marine generator set as claimed in claim 2, characterised in that: A spring (10) is installed on the outer wall of the damping rod (7), one end of the spring (10) being in contact with the rubber pad (8), and the other end of the spring (10) being in contact with the control ring (9).
4. A vibration isolation device for a marine generator set as claimed in claim 1, characterised in that: The installation mechanism comprises a support plate (11), the support plate (11) being connected between the gas bag (2) and the rubber pad (8), and a sponge pad (12) fixedly connected to the top of the support plate (11).
5. A vibration isolation arrangement for a marine generator set as claimed in claim 4, characterised in that: Two bottom plates (13) are fixedly connected to the top of the sponge pad (12), two fixed plates (14) are fixedly connected to the top of the two bottom plates (13), a slot is formed in one side of the fixed plate (14), and a sliding block (15) is slidably connected in the slot.
6. A vibration isolation arrangement for a marine generator set as claimed in claim 5, characterised in that: A plurality of equidistant limiting holes are formed in one side of the fixed plate (14), a limiting rod (16) is inserted into the limiting hole, the limiting rod (16) penetrates through the sliding block (15), and two connecting columns (17) are fixedly connected to the top of the sliding block (15).
Citation Information
Patent Citations
Vibration of hydrogenerator set absorbing device
CN208153600U