A damping and stabilizing device for a power distribution cabinet of a ship

Abstract

The utility model discloses a kind of vibration reduction firm device of ship power distribution cabinet, belong to power distribution cabinet field. Including power distribution cabinet;Damping device, it is set on ship deck, damping device includes installation base, and installation base is fixed with multiple groups of symmetrically arranged support unit, support unit includes installation base on fixed mounting bottom plate, and buffer unit is connected on support unit;Protective device, it is set in the both sides of damping device and opens position, and protective device includes the protective unit being set on installation base, and the side of protective unit is provided with scraping unit.The vibration reduction firm device of one application of ship power distribution cabinet, by multiple groups of support unit and buffer unit, reliable damping guarantee is provided for power distribution cabinet;The protective unit of protective device shields damping device opening, reduces impurity contact coil spring, delays its corrosion aging, prevents interloop adhesion;Scraping unit automatically cleans filter screen, avoids dust blockage, improves protection reliability.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, and in particular to a vibration damping and stabilizing device for a ship power distribution cabinet. Background Technology

[0002] The core purpose of equipping ships with electrical distribution cabinets is to centrally manage, protect, and distribute the ship's power, thereby ensuring the safe and stable operation of the ship's electrical system. As a key piece of equipment for power supply, the electrical distribution cabinet needs to be fixed to the hull by a base. This base is usually made of metal materials such as angle steel and channel steel, which must not only bear the weight of the electrical distribution cabinet itself, but also withstand the vibrations generated during the ship's navigation. During actual installation, the base is fixed to the ship's deck or bulkhead by welding or bolting, and the horizontal and vertical alignment must be strictly guaranteed to meet the specifications. The connection between the distribution cabinet and the base requires that the equipment installation position be accurately ensured by the positioning structure (such as the positioning boss on the top of the base), and then the bottom of the distribution cabinet and the upper flange of the base are firmly locked together by a ring of bolts. In some scenarios, flat washers and spring washers are also added at the bolt connection to enhance the anti-loosening effect, so as to achieve stable assembly of the distribution cabinet and the base and avoid relative displacement between the two when the ship is rocking.

[0003] In locations with significant vibration, such as the engine room, appropriate vibration dampers (such as rubber-metal vibration dampers or helical spring vibration dampers) must be installed between the power distribution cabinet and the base. The vibration dampers must be selected according to the weight of the power distribution cabinet and the vibration frequency, and evenly distributed at the four corners and the midpoint of the long side of the base. The vibration energy is absorbed by the elastic deformation of the vibration dampers, which minimizes the impact of continuous vibration during ship operation on the power distribution cabinet and internal electrical components. This prevents components from becoming loose due to long-term vibration, such as loose wiring, oxidation of contacts, or structural damage, and ensures the reliability of the power distribution cabinet's emergency power supply function. The helical spring vibration dampers used in ship electrical distribution cabinets are mostly directly exposed in practical applications. Due to the large amount of oil, dust and other impurities in the ship navigation environment, these directly exposed helical spring vibration dampers are prone to the adhesion of various impurities on their surface after long-term use. These impurities not only accelerate the corrosion and aging of the springs, but may also cause the spring coils to stick together, affecting their elasticity and stretching performance, thereby weakening the vibration damping effect, and even causing the electrical components inside the distribution cabinet to loosen or be damaged due to insufficient vibration protection.

[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Utility Model Content

[0005] This utility model provides a vibration damping and stabilizing device for a ship's electrical distribution cabinet, which solves the problem that exposed spiral spring vibration dampers in ship electrical distribution cabinets are prone to corrosion and aging due to oil and dust adhesion in the ship's environment, thus affecting the safety of electrical components.

[0006] The present invention adopts the following technical solution: a vibration damping and stabilizing device for a ship's electrical distribution cabinet, mainly comprising an electrical distribution cabinet; a vibration damping device, which is installed on the ship's deck, the vibration damping device comprising a mounting base, the mounting base having multiple sets of symmetrically arranged support units fixed thereon, the support units comprising a mounting base plate fixed on the mounting base, a buffer unit connected to the support unit, the buffer unit comprising an upper mounting plate; and a protective device, which is provided at the openings on both sides of the vibration damping device, the protective device comprising a protective unit provided on the mounting base, the protective unit having a scraping unit provided on its side.

[0007] Furthermore, a lower mounting plate is fixed to the lower surface of the upper mounting plate. The protective unit includes a support box embedded and fixed on the mounting base. A baffle plate is slidably inserted into the support box. Side members are fixed on both sides of the lower mounting plate. A connecting shaft is fixed between the two sets of side members. The baffle plate is movably sleeved on the connecting shaft through a bushing. The baffle plate has a concave structure to block the side opening of the vibration damping device. A filter screen is slidably inserted into the side of the baffle plate.

[0008] Furthermore, the filter screen is integrally fixed to one end of the support box with a mounting block. The mounting block has a T-shaped structure, and a knob is threadedly connected to the side of the mounting block. The knob has a screw on the side near the mounting block, and the knob is threadedly connected to the side of the baffle plate through the screw.

[0009] Furthermore, the side of the mounting block is fixed with a handle that allows workers to easily pull the mounting block to replace the filter screen.

[0010] Furthermore, the scraping unit includes two sets of connectors fixed to the side of the support box. One end of each connector is fixed with a support ring, and a scraper is fixed between the two sets of support rings. The scraper has a concave structure, and both ends of the scraper have flexible protrusions that extend into the support rings. The scraper contacts the surface of the filter screen as the baffle slides. A friction pad is provided in the contact area between the protrusions and the support rings. The horizontal end of the scraper is inclined.

[0011] Furthermore, two sets of protruding plates extend upwards integrally from near both sides of the mounting base plate. One end of each set of protruding plates is integrally connected to a fixed pressure plate. The upper mounting plate is provided at both ends of the two sets of fixed pressure plates through four sets of adjusting screws. Each adjusting screw is threaded through one end of the fixed pressure plate and connected to an adjusting nut. A rubber washer is provided on the upper surface of the fixed pressure plate. The rubber washer is coaxially sleeved on the adjusting screw and has an elastic buffering effect.

[0012] Furthermore, a helical spring is connected between the lower mounting plate and the upper surface of the mounting base plate. The helical spring is an elastic buffer component, and the helical spring is connected to the mounting base plate through a damper body.

[0013] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects: A vibration damping and stabilizing device for a ship's electrical distribution cabinet is provided. Multiple support units of the vibration damping device are securely fixed to the ship's deck via a mounting base. Buffer units on the mounting base plate specifically absorb complex vibrations during ship navigation, providing reliable vibration damping for the distribution cabinet. A protective device effectively shields the openings on both sides of the vibration damping device through protective units, preventing external oil, dust, and other impurities from directly intruding into the device. This reduces contact between impurities and the helical springs in the buffer units, delaying spring corrosion and aging, preventing adhesion between spring coils, and ensuring long-term stability of their elastic expansion and contraction performance. Simultaneously, scraping units on the sides of the protective units automatically clean the filter screen on the protective structure, preventing dust accumulation from affecting the device's heat dissipation and protective effect, further improving protective reliability. Attached Figure Description

[0014] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0015] In the attached diagram: Figure 1 This is an overall schematic diagram of a vibration damping and stabilizing device for a ship electrical distribution cabinet according to this application; Figure 2 for Figure 1 The main view; Figure 3 for Figure 2 Enlarged view of point A; Figure 4 for Figure 2 Schematic diagram of the central protective device; Figure label: 1. Distribution cabinet; 11. Cabinet body; 12. Cabinet door; 13. Heat dissipation duct; 2. Vibration damping device; 21. Mounting base; 22. Mounting base plate; 221. Protruding plate; 23. Fixing pressure plate; 24. Upper mounting plate; 241. Lower mounting plate; 25. Adjusting screw; 26. Rubber washer; 27. Adjusting nut; 28. Helical spring; 281. Damper body; 3. Protective device; 31. Side piece; 32. Connecting shaft; 33. Baffle plate; 34. Filter screen; 35. Mounting block; 36. Handle; 37. Knob; 38. Support box; 39. Connecting piece; 310. Support ring; 311. Scraper; 312. Protruding part. Detailed Implementation

[0016] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0017] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0018] Reference Figures 1-4 As shown in the figure, the present invention provides a vibration damping and stabilizing device for a ship power distribution cabinet, including a power distribution cabinet 1, which includes a cabinet body 11 and a cabinet door 12 hinged to the cabinet body 11. A heat dissipation groove 13 is provided on the power distribution cabinet 1 to dissipate the heat generated by the operation of the electrical components inside the cabinet in a timely manner, so as to avoid the equipment performance being affected by high temperature. A vibration damping device 2 is provided at the bottom of the power distribution cabinet 1. The vibration damping device 2 is used to dampen the power distribution cabinet 1 during actual use, adapting to the complex vibration environment caused by waves, engine vibration, etc. during ship navigation, and ensuring the stability of the electrical components inside the cabinet. The vibration damping device 2 includes a mounting base 21 that is bolted to the deck of the ship. The mounting base 21 provides a stable mounting foundation for the vibration damping device 2, and multiple sets of symmetrically arranged support units are fixed on the mounting base 21. The support unit includes a mounting base plate 22 fixed to the mounting base 21, and two sets of protruding plates 221 integrally extending upward near both sides of the mounting base plate 22. A fixed pressure plate 23 is integrally connected to one end of each set of protruding plates 221. A buffer unit is connected between the two sets of fixed pressure plates 23. The buffer unit includes an upper mounting plate 24 that passes through both ends of the two sets of fixed pressure plates 23 via four sets of adjusting screws 25. The adjusting screws 25 can adjust the relationship between the upper mounting plate 24 and the fixed pressure plate. The spacing between 23 is adjusted to adjust the preload of the buffer unit. The adjusting screw 25 passes through the fixed pressure plate 23 and is threaded to one end with an adjusting nut 27. The tightness of the adjusting screw 25 can be controlled by turning the adjusting nut 27. A rubber washer 26 is provided on the upper end face of the fixed pressure plate 23. The rubber washer 26 is coaxially sleeved on the adjusting screw 25. The rubber washer 26 has an elastic buffering effect, which can reduce the hard friction and vibration transmission between the adjusting screw 25 and the fixed pressure plate 23. A lower mounting plate 241 is fixed to the lower surface of the upper mounting plate 24. A helical spring 28 is connected between the lower mounting plate 241 and the upper end face of the mounting base plate 22. The helical spring 28 is the main elastic buffer component and can absorb most of the vibration energy. The helical spring 28 is connected to the mounting base plate 22 through a damper body 281. The damper body 281 can consume vibration energy and prevent the helical spring 28 from vibrating continuously due to resonance, thereby further improving the vibration reduction effect. In actual ship navigation, when the deck vibrates, the vibration is transmitted to the support unit through the mounting base 21. The helical spring 28 and the damper body 281 work together to convert the vibration energy into spring deformation and damping heat energy. The upper mounting plate 24 drives the distribution cabinet 1 to buffer smoothly in the vertical direction. The cooperation between the rubber gasket 26 and the adjusting screw 25 ensures the structural stability of the buffer unit, ultimately achieving efficient vibration reduction of the distribution cabinet 1 and ensuring the long-term stable operation of the electrical components inside the cabinet.

[0019] Protective devices 3 are provided at the openings on both sides of the vibration damping device 2. Each protective device 3 includes a protective unit on the mounting base 21. The protective unit includes a support box 38 embedded and fixed on the mounting base 21. A baffle plate 33 is slidably inserted into the support box 38. Side members 31 are fixed on both sides of the lower mounting plate 241. A connecting shaft 32 is fixed between the two sets of side members 31. The baffle plate 33 is movably sleeved on the connecting shaft 32 through a bushing. The baffle plate 33 has a concave structure that can block the side openings of the vibration damping device 2. A filter screen 34 is slidably inserted into the side of the baffle plate 33. The filter screen 34 is used to filter external dust and debris to prevent them from entering the vibration damping device 2 and affecting the life of the buffer components. The filter screen 34 protrudes from one end of the support box 38 and is integrally fixed with the mounting block 35. The mounting block 35 has a T-shaped structure and a knob 37 is threadedly connected to the side of the mounting block 35. The knob 37 has a screw (not shown in the figure) on the side near the mounting block 35. The knob 37 is threadedly connected to the side of the baffle plate 33 through the screw, so as to facilitate quick fixing or removal of the filter screen 34. A handle 36 is fixed to the side of the mounting block 35, which makes it convenient for the staff to pull the mounting block 35 to replace the filter screen 34. Furthermore, a scraping unit is provided on the side of the support box 38. The scraping unit includes two sets of connectors 39 fixed to the side of the support box 38. One end of the connector 39 is fixed with a support ring 310, and a scraper 311 is fixed between the two sets of support rings 310. The scraper 311 has a concave structure, and both ends of the scraper 311 have flexible protrusions 312 that extend into the support rings 310, so that the scraper 311 can contact the surface of the filter screen 34 as the baffle plate 33 slides. The contact area between the protrusions 312 and the support rings 310 is provided with friction pads, and the horizontal end of the scraper 311 is inclined to be suitable for scraping off the impurities attached to the surface of the filter screen 34, so as to export the scraped impurities. In actual use, when the baffle plate 33 drives the filter screen 34 to slide, the scraper 311 can scrape off the impurities attached to the surface of the filter screen 34 and discharge the impurities to the support box 38 by means of the tilt angle, thereby realizing the automatic cleaning of the filter screen 34 and ensuring its long-term filtration effect. In actual ship operation, the protective device 3 can effectively block external dust and debris from entering the vibration damping device 2. The filter screen 34, together with the automatic cleaning function of the scraping unit, not only reduces the frequency of manual maintenance, but also ensures that the internal buffer components of the vibration damping device 2 (such as the coil spring 28 and the damper body 281) are always in a clean environment, further improving the reliability and service life of the vibration damping and stabilizing device of the distribution cabinet 1.

[0020] Working principle: In actual use, the staff installs the power distribution cabinet 1 on the mounting base 21 of the deck through the vibration damping device 2. In the support unit of the vibration damping device 2, the helical spring 28 and the damper body 281 are in a pre-compressed state. The height of the upper mounting plate 24 is adjusted by adjusting the screw 25 and adjusting the nut 27, so that the rubber gasket 26 fits tightly against the fixed pressure plate 23, ensuring that the pre-tightening force of the buffer unit is suitable for the weight of the power distribution cabinet 1. At the same time, the shielding plate 33 of the protective device 3 is sleeved on the connecting shaft 32 through the bushing. The concave structure of the shielding plate 33 completely blocks the side opening of the vibration damping device 2. The filter screen 34 is slidably inserted into the shielding plate 33 and fixed by the knob 37. The protrusion 312 of the scraper 311 contacts the support ring 310, and the horizontal end is inclined to fit against the surface of the filter screen 34, completing the initial deployment of the device.

[0021] When the ship is sailing, the vibrations on the deck caused by waves and engine vibrations are transmitted to the support unit through the mounting base 21. At this time, the helical spring 28 absorbs most of the vibration energy and produces elastic deformation, and the damper body 281 simultaneously consumes the vibration energy to avoid spring resonance; the upper mounting plate 24 drives the electrical distribution cabinet 1 to smoothly buffer in the vertical direction, and the rubber gasket 26 reduces the hard friction between the adjusting screw 25 and the fixed pressure plate 23, further weakening the vibration transmission and ensuring the stable operation of the electrical components in the cabinet.

[0022] Meanwhile, the protective device 3 works synchronously with the vibration damping device 2: the baffle plate 33 slides slightly along the connecting shaft 32 via the bushing, causing the filter screen 34 to contact the scraper 311. The inclined horizontal end of the scraper 311 scrapes away the dust and debris attached to the surface of the filter screen 34, and the impurities slide out of the support box 38 along the inclined angle of the scraper 311, realizing the automatic cleaning of the filter screen 34; the filter screen 34 continuously blocks large particles of debris from entering the vibration damping device 2, preventing them from affecting the normal operation of the coil spring 28 and the damper body 281.

[0023] During routine maintenance, workers can quickly remove the filter screen 34 by pulling out the mounting block 35 using the handle 36 and loosening the knob 37 for deep cleaning or replacement. If the preload of the vibration damping device 2 needs adjustment, the adjusting nut 27 can be turned, and the height of the upper mounting plate 24 can be changed by adjusting the screw 25, allowing the compression of the coil spring 28 to match the weight changes of the distribution cabinet 1. After maintenance, the filter screen 34 is re-slid in and secured, the baffle plate 33 is reset to cover the side opening, and the vibration damping device 2 and protective device 3 return to their initial state, preparing for vibration damping protection during the next ship voyage.

[0024] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A vibration damping and stabilizing device for a ship's electrical distribution cabinet, characterized in that: include Distribution cabinet (1); Vibration damping device (2) is installed on the ship deck. The vibration damping device (2) includes a mounting base (21). The mounting base (21) is fixed with multiple sets of symmetrically arranged support units. The support unit includes a mounting base plate (22) fixed on the mounting base (21). A buffer unit is connected to the support unit. The buffer unit includes an upper mounting plate (24). The protective device (3) is provided at the opening positions on both sides of the vibration damping device (2). The protective device (3) includes a protective unit provided on the mounting base (21), and a scraping unit is provided on the side of the protective unit.

2. The vibration damping and stabilizing device for a shipboard electrical distribution cabinet according to claim 1, characterized in that: The lower surface of the upper mounting plate (24) is provided with a lower mounting plate (241). The protective unit includes a support box (38) embedded and fixed on the mounting base (21). A baffle plate (33) is slidably inserted into the support box (38). Side members (31) are fixed on both sides of the lower mounting plate (241). A connecting shaft (32) is fixed between the two sets of side members (31). The baffle plate (33) is movably sleeved on the connecting shaft (32) through a bushing. The baffle plate (33) has a concave structure to block the side opening of the vibration damping device (2). A filter screen (34) is slidably inserted into the side of the baffle plate (33).

3. The vibration damping and stabilizing device for a shipboard electrical distribution cabinet according to claim 2, characterized in that: The filter screen (34) is integrally fixed to one end of the support box (38) with a mounting block (35). The mounting block (35) has a T-shaped structure. A knob (37) is threadedly connected to the side of the mounting block (35). The knob (37) has a screw on the side near the mounting block (35). The knob (37) is threadedly connected to the side of the baffle plate (33) through the screw passing through the mounting block (35).

4. The vibration damping and stabilizing device for a ship's electrical distribution cabinet according to claim 3, characterized in that: The side of the mounting block (35) is fixed with a handle (36) that makes it easy for workers to pull the mounting block (35) to replace the filter screen (34).

5. The vibration damping and stabilizing device for a shipboard electrical distribution cabinet according to claim 3, characterized in that: The scraping unit includes two sets of connectors (39) fixed to the side of the support box (38). One end of each connector (39) is fixed with a support ring (310). A scraper (311) is fixed between the two sets of support rings (310). The scraper (311) has a concave structure. Both ends of the scraper (311) have flexible protrusions (312) that extend into the support rings (310). The scraper (311) contacts the surface of the filter screen (34) as the baffle plate (33) slides. A friction pad is provided in the contact area between the protrusion (312) and the support ring (310). The horizontal end of the scraper (311) is inclined.

6. The vibration damping and stabilizing device for a ship's electrical distribution cabinet according to claim 5, characterized in that: The mounting base plate (22) has two sets of protruding plates (221) extending upwards integrally near both sides. One end of each set of protruding plates (221) is integrally connected to a fixed pressure plate (23). The upper mounting plate (24) is installed through four sets of adjusting screws (25) at both ends of the two sets of fixed pressure plates (23). The adjusting screws (25) are threaded through one end of the fixed pressure plate (23) and connected to adjusting nuts (27). A rubber washer (26) is provided on the upper end face of the fixed pressure plate (23). The rubber washer (26) is coaxially sleeved on the adjusting screw (25) and has an elastic buffering effect.

7. The vibration damping and stabilizing device for a ship's electrical distribution cabinet according to claim 6, characterized in that: A helical spring (28) is connected between the lower mounting plate (241) and the upper end face of the mounting base plate (22). The helical spring (28) is an elastic buffer component. The helical spring (28) and the mounting base plate (22) are connected through a damper body (281).

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