Ship four-hole type military cable damping device

Abstract

The utility model belongs to the field of military cable supports, and particularly relates to a ship four-hole type military cable damping device which comprises an upper outer frame (1), a lower outer frame (6), lintels, an upper rubber body (2) and a lower rubber body (5). The bottom folded edge of the upper outer frame (1) is connected with the upper folded edge of the lower outer frame (6) through a lintel; the upper rubber body (2) and the lower rubber body (5) respectively comprise a first central ring and a second central ring; transition supporting ribs are fixedly arranged between the first center ring and the second center ring. The upper rubber body (2) and the lower rubber body (5) are fixedly connected with the inner wall of the upper outer frame (1) and a lintel through supporting legs and transition supporting ribs respectively. The damping device is simple in structure and convenient to install, damping parameters are easy to adjust, simultaneous damping of a plurality of cables is achieved, the damping device has an overload protection function, and the damping requirements of two directions in the vertical plane of the cables and the axial direction of the cables can be met at the same time.

Description

Technical Field

[0001] The utility model belongs to the field of military cable brackets, in particular to a four-hole type military cable vibration reduction device for ships. Background Art

[0002] Existing shipboard cables typically first use welding or bolting to secure cable trays high on the wall, then laying the shipboard cables on top of the cable trays. This installation structure is often inconvenient during actual cable construction and maintenance due to the high cable installation location. Existing cable trays are typically rectangular to ensure cable safety, and the cables must be installed through the cable trays. This installation structure is also inconvenient during subsequent maintenance and cable additions. Existing cables are generally installed directly on the cable trays using steel hoops, which provides poor shock absorption and protection. This installation structure can also affect the service life of submarines in the turbulent conditions of the ship. Furthermore, existing shipboard cables are susceptible to significant impact and vibration during ship travel. Prolonged vibration can easily cause the interface between the shipboard cable and electrical equipment to become detached or loose, resulting in poor contact and potentially causing safety accidents. Furthermore, most seismic cable trays are only suitable for cable laying and cannot be used to secure cable conduits, thus failing to provide a vibration reduction effect on the conduits. Furthermore, submarines have very strict vibration and noise requirements. The vibration waves of submarine cables are transmitted to the bulkheads, negatively impacting the submarine's quietness. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the existing technology and provide a ship's four-hole military cable vibration reduction device with a simple structure, easy installation, easy adjustment of vibration reduction parameters, simultaneous vibration reduction of multiple cables, overload protection function and the ability to simultaneously meet the vibration reduction requirements of the cables in two directions in the vertical plane and the axial direction.

[0004] In order to solve the above technical problems, the utility model is achieved as follows:

[0005] A four-hole military cable vibration reduction device for ships, comprising an upper outer frame, a lower outer frame, a lintel, an upper rubber body, and a lower rubber body; the bottom folded edge of the upper outer frame is connected to the upper folded edge of the lower outer frame through the lintel;

[0006] The upper rubber body includes an upper first center ring and an upper second center ring; the lateral distance between the geometric centers of the upper first center ring and the upper second center ring is greater than the sum of the radii of the upper first center ring and the upper second center ring; an upper transition support rib is fixedly provided between the upper first center ring and the upper second center ring;

[0007] The lower rubber body includes a lower first center ring and a lower second center ring; the lateral distance between the geometric centers of the lower first center ring and the lower second center ring is greater than the sum of the radii of the lower first center ring and the lower second center ring; a lower transition support rib is fixedly provided between the lower first center ring and the lower second center ring;

[0008] The upper rubber body is fixedly connected to the inner wall of the upper outer frame and the upper part of the lintel through supporting feet and upper transition supporting ribs; the lower rubber body is fixedly connected to the inner wall of the lower outer frame and the lower part of the lintel through supporting feet and lower transition supporting ribs.

[0009] Furthermore, the lintel of the present invention includes an upper beam and a lower beam; the upper beam and the lower beam are stacked up and down in sequence.

[0010] A welding foot is also provided; a folding edge is fixedly provided at the bottom of the lower outer frame; and the lower outer frame is detachably connected to the welding foot through the folding edge.

[0011] Furthermore, the upper outer frame, upper beam, lower beam and lower outer frame of the utility model adopt a flange structure; the end of the supporting foot, the end of the upper transition support rib and the end of the lower transition support rib are respectively fixed in the flanges of the upper outer frame, upper beam, lower beam and lower outer frame.

[0012] Furthermore, the upper portions of the upper first center ring and the upper second center ring in the upper rubber body and the lower first center ring and the lower second center ring in the lower rubber body of the present invention are respectively provided with cutouts.

[0013] Furthermore, the lower outer frame of the present invention is connected to the welding feet through folding edges via bolts.

[0014] Furthermore, the number of the supporting legs in the present invention is 16, which are evenly distributed on the outer walls of the upper first center ring and the upper second center ring and the lower first center ring and the lower second center ring.

[0015] In order to avoid sonar detection, existing ships, especially submarines, have very strict requirements for vibration and noise. It has been found that the vibration of submarine cables cannot be ignored. The vibration is transmitted to the bulkhead, which will affect the quietness of the submarine. The utility model has a simple structure, is easy to install, and is easy to adjust the vibration reduction parameters. It can also meet the vibration reduction requirements in both directions in the vertical plane of the cable and in the axial direction of the cable. When the cable vibrates violently due to inconsistent vibration frequencies at both ends of the cable, the vibration can be transmitted to the vibration reduction device through the ship's four-hole military cable vibration reduction device to achieve the purpose of shock absorption, thereby effectively solving the tensile damage of ship cables caused by equipment vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. The scope of protection of the present invention is not limited to the following description.

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is the overall assembly drawing of the utility model;

[0019] Figure 3 This is a state diagram used in the present utility model.

[0020] In the figure: 1. Upper outer frame; 2. Upper rubber body; 201. Upper first center ring; 202. Upper second center ring; 3. Upper beam; 4. Lower beam; 5. Lower rubber body; 501. Lower first center ring; 502. Lower second center ring; 6. Lower outer frame; 7. Welding foot; 8. Upper transition support rib; 9. Lower transition support rib; 10. Support foot; 11. Incision. DETAILED DESCRIPTION

[0021] The following is combined with Figures 1 to 3 The principles and features of the present invention are described, and the examples provided are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are in a highly simplified form and are not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention. It should be noted that when a component is referred to as being "fixed to" another component, it may be directly attached to the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it may be directly attached to the other component or there may be an intermediate component. When a component is referred to as being "disposed on" another component, it may be directly disposed on the other component or there may be an intermediate component. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one skilled in the art to which the present invention pertains. The terms used in the present specification are for the purpose of describing specific embodiments only and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0022] See also Figure 1 、 2 As shown in FIG3 , a four-hole military cable vibration reduction device for ships comprises an upper outer frame 1, a lower outer frame 6, a lintel, an upper rubber body 2 and a lower rubber body 5; the bottom folded edge of the upper outer frame 1 is connected to the upper folded edge of the lower outer frame 6 through the lintel;

[0023] The upper rubber body 2 includes an upper first center ring 201 and an upper second center ring 202; the lateral distance between the geometric centers of the upper first center ring 201 and the upper second center ring 202 is greater than the sum of the radii of the upper first center ring 201 and the upper second center ring 202; an upper transition support rib 8 is fixedly provided between the upper first center ring 201 and the upper second center ring 202;

[0024] The lower rubber body 5 includes a lower first center ring 501 and a lower second center ring 502; the lateral distance between the geometric centers of the lower first center ring 501 and the lower second center ring 502 is greater than the sum of the radii of the lower first center ring 501 and the lower second center ring 502; a lower transition support rib 9 is fixedly provided between the lower first center ring 501 and the lower second center ring 502;

[0025] The upper rubber body 2 is fixedly connected to the inner wall of the upper outer frame 1 and the upper part of the lintel through the support legs 10 and the upper transition support ribs 8; the lower rubber body 5 is fixedly connected to the inner wall of the lower outer frame 6 and the lower part of the lintel through the support legs 10 and the lower transition support ribs 9.

[0026] The lintel of the present invention includes an upper beam 3 and a lower beam 4; the upper beam 3 and the lower beam 4 are stacked one above the other. The present invention also provides a welding foot 7; a folding edge is fixedly provided at the bottom of the lower outer frame 6; the lower outer frame 6 is detachably connected to the welding foot 7 via the folding edge. The upper outer frame 1, upper beam 3, lower beam 4 and lower outer frame 6 of the present invention adopt a flange structure; the end of the support foot 10, the end of the upper transition support rib 8 and the end of the lower transition support rib 9 are respectively fixedly placed in the flange of the upper outer frame 1, upper beam 3, lower beam 4 and lower outer frame 6. The upper first center ring 201 and the upper second center ring 202 of the upper rubber body 2 and the upper part of the lower first center ring 501 and the lower second center ring 502 of the lower rubber body 5 of the present invention are respectively provided with a cutout 11. The lower outer frame 6 of the present invention is connected to the welding foot 7 via the folding edge by bolts. There are 16 supporting legs 10 , which are evenly distributed on the outer walls of the upper first center ring 201 and the upper second center ring 202 , and the lower first center ring 501 and the lower second center ring 502 .

[0027] During specific use, the four cables of the present invention pass through the upper first and upper second center rings, as well as the lower first and lower second center rings, in the upper rubber body 2 and the lower rubber body 5, respectively. Multiple cables are arranged along the cable axis to achieve the purpose of vibration reduction. This structure can accommodate four cables. The rubber structure of the present invention can better meet the requirements of vibration reduction stiffness and damping and has good wrapping properties. It can not only provide vibration reduction in two directions within the vertical plane, but also meet the axial vibration reduction requirements of the cable through the preload force provided by the interference fit between the rubber hole and the cable. The upper outer frame 1, upper beam 3, lower beam 4 and lower outer frame 6 of the present invention all adopt a flange structure, which serves to constrain the upper rubber body 2 and the lower rubber body 5 to ensure that the rubber body is in a stable position in three directions. At the same time, the flange structure has an overload protection function. When the cable is subjected to a large load, it contacts the flange, preventing it from moving and preventing the rubber from being damaged due to excessive deformation. The bottom folding edge of the upper outer frame 1 and the upper folding edge of the lower outer frame 6 of the utility model are used to connect with the upper beam 3 and the lower beam 4. This folding method has good processability and is more convenient to connect. The utility model is designed as a double-layer structure. The upper first center ring 201 and the upper second center ring 202 of the upper rubber body 2 and the lower rubber body 5, as well as the upper part of the lower first center ring 501 and the lower second center ring 502 have cutouts 11 for placing cables, which satisfies the assembly order from bottom to top and is convenient for the installer to operate. The utility model is welded to the bottom plane as a whole by welding feet 7, which is easy to install and relatively stable as a whole. The utility model occupies a small space. Because its installation environment has strict space requirements, this structure can meet the vibration reduction effect of the cable in a small space.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A four-hole military cable vibration reduction device for ships, characterized in that: It comprises an upper outer frame (1), a lower outer frame (6), a lintel, an upper rubber body (2) and a lower rubber body (5); the bottom folded edge of the upper outer frame (1) is connected to the upper folded edge of the lower outer frame (6) through the lintel; The upper rubber body (2) comprises an upper first center ring (201) and an upper second center ring (202); the lateral distance between the geometric centers of the upper first center ring (201) and the upper second center ring (202) is greater than the sum of the radii of the upper first center ring (201) and the upper second center ring (202); an upper transition support rib (8) is fixedly provided between the upper first center ring (201) and the upper second center ring (202); The lower rubber body (5) comprises a lower first center ring (501) and a lower second center ring (502); the lateral distance between the geometric centers of the lower first center ring (501) and the lower second center ring (502) is greater than the sum of the radii of the lower first center ring (501) and the lower second center ring (502); a lower transition support rib (9) is fixedly provided between the lower first center ring (501) and the lower second center ring (502); The upper rubber body (2) is fixedly connected to the inner wall of the upper outer frame (1) and the upper part of the lintel via the support legs (10) and the upper transition support ribs (8); the lower rubber body (5) is fixedly connected to the inner wall of the lower outer frame (6) and the lower part of the lintel via the support legs (10) and the lower transition support ribs (9).

2. The four-hole military cable vibration reduction device for ships according to claim 1, characterized in that: The lintel comprises an upper beam (3) and a lower beam (4); the upper beam (3) and the lower beam (4) are stacked one above the other in sequence.

3. The four-hole military cable vibration reduction device for ships according to claim 2, characterized in that: A welding foot (7) is also provided; a folding edge is fixedly provided at the bottom of the lower outer frame (6); and the lower outer frame (6) is detachably connected to the welding foot (7) via the folding edge.

4. The four-hole military cable vibration reduction device for ships according to claim 3, characterized in that: The upper outer frame (1), upper beam (3), lower beam (4) and lower outer frame (6) adopt a flange structure; the end of the support foot (10), the end of the upper transition support rib (8) and the end of the lower transition support rib (9) are respectively fixedly placed in the flanges of the upper outer frame (1), upper beam (3), lower beam (4) and lower outer frame (6).

5. The four-hole military cable vibration reduction device for ships according to claim 4, characterized in that: The upper first center ring (201) and the upper second center ring (202) in the upper rubber body (2) and the lower first center ring (501) and the lower second center ring (502) in the lower rubber body (5) are respectively provided with cutouts (11) on their upper parts.

6. The four-hole military cable vibration reduction device for ships according to claim 5, characterized in that: The lower outer frame (6) is connected to the welding foot (7) via a folded edge and bolts.

7. The four-hole military cable vibration reduction device for ships according to any one of claims 1 to 6, characterized in that: The number of the supporting legs (10) is 16, and they are evenly distributed on the outer walls of the upper first center ring (201) and the upper second center ring (202) as well as the lower first center ring (501) and the lower second center ring (502).

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