Ship low-vibration small-deformation cable bracket mounting structure

By using intermittent welding of I-shaped flat steel and deck on ships combined with L-shaped angle steel structure, the deck thermal deformation and vibration problems caused by direct welding of cable brackets are solved, the connection stiffness and structural stability are improved, and the welding stress and deformation risks are reduced.

CN223261190UActive Publication Date: 2025-08-22CSC JINLING SHIPYARD
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Patent Information

Application Number
CN202422237187.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-08-22
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

In the prior art, the direct welding of the cable bracket to the deck causes thermal deformation and vibration of the deck surface, affecting the flatness of the ship's deck, and insufficient stiffness of the connection point, resulting in structural cracking and safety risks.

Method used

The I-type flat steel structure is used to intermittent welding with the deck, and combined with the L-type angle steel structure, a cable bracket installation structure is formed to improve connection stiffness and reduce vibration risks, and reduce welding stress and deformation through double-face symmetrical interrupt welding.

Benefits of technology

The stiffness of the cable tray connection to the deck is improved, the vibration risk of the cable tray and deck is reduced, the welding stress and deformation is reduced, and the structure is ensured.

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    Figure CN223261190U_ABST
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Abstract

The utility model discloses a low-vibration small-deformation cable bracket mounting structure for a ship, which is characterized in that a plurality of deck longitudinal bones are arranged on the lower end surface of a ship deck at intervals along the width direction of the ship, and the mounting structure comprises a plurality of I-shaped flat steel structures and a plurality of groups of L-shaped angle steel structures, the multiple I-shaped flat steel structures are arranged between every two adjacent deck longitudinal bones at intervals in the length direction of a ship and are perpendicular to the deck longitudinal bones, the upper end faces of the I-shaped structure angle steel are fixedly connected with a deck, and the two L-shaped angle steel structures in each set are vertically arranged between every two adjacent deck longitudinal bones at intervals in a mirror symmetry mode. The upper ends of the L-shaped angle steel structures are connected with the I-shaped flat steel structures, the cable bracket is arranged on the lower portion between the two rows of L-shaped angle steel structures, and the two sides of the cable bracket in the length direction are connected with the L-shaped angle steel structures. According to the cable bracket mounting structure, the rigidity of the connecting point of the cable bracket and the deck can be improved, the vibration risk of the cable bracket and the local deck is reduced, and the welding stress and deformation of the connecting point are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of ship construction, in particular to a low-vibration and small-deformation cable bracket installation structure for ships. Background Art

[0002] To meet functions such as lighting, monitoring, and equipment operation, ships require a large number of electrical equipment to be arranged in the cabin. Due to the limited cabin space, cable trays installed upside down on the deck are usually used to centrally and orderly arrange various cables in the cabin.

[0003] In the existing technology, the cable bracket suspension structure is directly welded and installed on the deck. On the one hand, local welding causes thermal deformation of the deck surface, affecting the flatness of the ship's deck. On the other hand, due to insufficient rigidity of the connection point, when the ship is in operation, the cable bracket and the deck affect each other and produce large vibrations, causing structural cracks and creating safety risks. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a low-vibration and small-deformation cable bracket installation structure for ships. This installation structure can improve the stiffness of the connection point between the cable bracket and the deck, and reduce the vibration risk of the cable bracket and the local deck; the I-shaped flat steel structure with an angled cut away from the air is welded to the deck by intermittent welding, which can reduce the welding stress and deformation of the connection point.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A low-vibration and small-deformation cable bracket installation structure for ships, the ship includes a deck, and a plurality of deck longitudinal bones are arranged at intervals along the width direction of the ship on the lower end surface of the deck. The installation structure includes a plurality of I-shaped flat steel structures and a plurality of groups of L-shaped angle steel structures, two of which are in a group. The plurality of I-shaped flat steel structures are arranged at intervals between two adjacent deck longitudinal bones along the length direction of the ship and are arranged perpendicular to the deck longitudinal bones. The upper end face of the I-shaped structural angle steel is fixedly connected to the deck, and the two L-shaped angle steel structures in each group are vertically spaced and mirror-symmetrically arranged between two adjacent deck longitudinal bones. The upper end of the L-shaped angle steel structure is connected to the I-shaped flat steel structure. The cable bracket is placed in the lower part between the two rows of L-shaped angle steel structures, and the two sides of the cable bracket in the length direction are connected to the L-shaped angle steel structure.

[0007] Furthermore, two adjacent groups of L-shaped angle steel structures are arranged within a strong rib spacing of the ship, and the distances between the two groups of L-shaped angle steel structures and the two ends of the strong rib spacing where they are located are the same.

[0008] Furthermore, the I-shaped structural angle steel is connected to the deck by double-sided symmetrical intermittent welding.

[0009] Furthermore, the length of the second weld at both ends of the I-shaped flat steel is 2a, the length of the third weld between the two ends of the I-shaped flat steel 10 is a, the spacing between the second weld and the third weld and the spacing between two adjacent third welds are the same and are both less than a.

[0010] Furthermore, the end faces of the I-shaped structural angle steel at both ends in the length direction are spaced apart from the deck longitudinal bones, and both end faces of the I-shaped structural angle steel include a vertical surface extending downward from the lower end surface of the deck and a beveled surface extending obliquely inward and downward from the lower end of the vertical surface.

[0011] Furthermore, the L-shaped angle steel structure and the I-shaped flat steel structure are lap-welded, the height of the I-shaped flat steel structure is h, and in the height direction of the I-shaped flat steel structure, the distance between the lap point of the L-shaped angle steel structure and the I-shaped flat steel structure and the lower free edge of the I-shaped flat steel structure is m, which is expressed by n as m / h, and the n value range is 0.4~0.67.

[0012] Compared with the existing technology, the low-vibration and small-deformation cable bracket installation structure of the ship of the utility model can improve the stiffness of the connection point between the cable bracket and the deck, and reduce the vibration risk of the cable bracket and the local deck; the I-shaped flat steel structure with an angled cut away from the air is welded to the deck by intermittent welding, which can reduce the welding stress and deformation of the connection point. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the arrangement of the practical low-vibration and small-deformation cable bracket installation structure on the ship deck;

[0014] Figure 2 yes Figure 1 Middle AA section view;

[0015] Figure 3 yes Figure 1 BB section view;

[0016] Figure 4 It is a schematic diagram of the welding method of the I-type flat steel structure described in the present invention and the ship deck.

[0017] Among them, 101-deck, 102-cable bracket, 103-deck longitudinal, 10-I-type flat steel structure, 11-L-type angle steel structure, 21-first weld, 22-second weld, 23-third weld, 30-lap point. DETAILED DESCRIPTION

[0018] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] like Figure 1-Figure 4 As shown, a low-vibration and small-deformation cable bracket installation structure for a ship, the ship includes a deck 101, and a plurality of deck longitudinal bones 103 are arranged at intervals along the width direction of the ship on the lower end surface of the deck 101. The installation structure includes a plurality of I-shaped flat steel structures 10 and a plurality of groups of two L-shaped angle steel structures 11. The plurality of I-shaped flat steel structures 10 are arranged at intervals between two adjacent deck longitudinal bones 103 along the length direction of the ship, and are arranged perpendicular to the deck longitudinal bones 103. The upper end surface of the I-shaped structural angle steel is fixedly connected to the deck 101. The two L-shaped angle steel structures 11 in each group are vertically spaced and mirror-symmetrically arranged between two adjacent deck longitudinal bones 103. The end faces of the I-type structural angle steel structure 10 at both ends in the length direction are spaced apart from the deck longitudinal bone 103, and the end faces of the I-type structural angle steel structure 10 at both ends include a vertical surface extending downward from the lower end surface of the deck 101 and a beveled surface extending obliquely inward and downward from the lower end of the vertical surface; the upper end of the L-shaped angle steel structure 11 is connected to the I-type flat steel structure 10, and the cable bracket is placed at the lower part between the two rows of L-shaped angle steel structures 11, and the two sides of the cable bracket 102 in the length direction are connected to the L-shaped angle steel structure 11; the two adjacent groups of L-shaped angle steel structures 11 are spaced apart within a strong rib spacing of the ship, and the two groups of L-shaped angle steel structures 11 are at the same distance from the two ends of the strong rib spacing where they are located.

[0020] The I-shaped structural angle steel structure 10 is connected to the deck 101 by double-sided symmetrical intermittent welding. The length of the second weld 22 located at both ends of the I-shaped flat steel is 2a, and the length of the third weld 23 between the two ends of the I-shaped flat steel 10 is a. The spacing between the second weld 22 and the third weld 23 and the spacing between two adjacent third welds 23 are the same and are both less than a.

[0021] The L-shaped angle steel structure 11 and the I-shaped flat steel structure 10 are lap-welded. The height of the I-shaped flat steel structure 10 is h. In the height direction of the I-shaped flat steel structure 10, the distance between the lap point of the L-shaped angle steel structure 11 and the I-shaped flat steel structure 10 and the lower free edge of the I-shaped flat steel structure 10 is m. m / h is expressed by n, and the n value range is 0.4~0.67. In this embodiment, the height of the I-shaped flat steel is 75, and the distance between the lap point and the lower free edge of the I-shaped flat steel structure 10 is 35mm.

[0022] 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 low-vibration and low-deformation cable bracket installation structure for a ship, wherein the ship comprises a deck, and a plurality of deck longitudinal bones are provided on the lower end surface of the deck at intervals along the width direction of the ship, characterized in that: The installation structure includes multiple I-shaped flat steel structures and multiple groups of two L-shaped angle steel structures. The multiple I-shaped flat steel structures are arranged between two adjacent deck longitudinals along the length direction of the ship and are arranged perpendicular to the deck longitudinals. The upper end face of the I-shaped structural angle steel is fixedly connected to the deck. The two L-shaped angle steel structures in each group are vertically spaced and mirror-symmetrically arranged between two adjacent deck longitudinals. The upper end of the L-shaped angle steel structure is connected to the I-shaped flat steel structure. The cable bracket is placed in the lower part between the two rows of L-shaped angle steel structures, and the two sides of the cable bracket in the length direction are connected to the L-shaped angle steel structure.

2. A low-vibration and low-deformation cable bracket installation structure for ships according to claim 1, characterized in that: The two adjacent groups of L-shaped angle steel structures are arranged within a strong rib spacing of the ship, and the distances between the two groups of L-shaped angle steel structures and the two ends of the strong rib spacing where they are located are the same.

3. A low-vibration and low-deformation cable bracket installation structure for ships according to claim 1, characterized in that: The I-shaped structural angle steel is connected to the deck by adopting a double-sided symmetrical intermittent welding method.

4. A low-vibration and low-deformation cable bracket installation structure for ships according to claim 3, characterized in that: The length of the second weld at both ends of the I-shaped flat steel is 2a, the length of the third weld between the two ends of the I-shaped flat steel 10 is a, the spacing between the second weld and the third weld and the spacing between two adjacent third welds are the same and are both less than a.

5. The low-vibration and small-deformation cable bracket installation structure for ships according to claim 1, characterized in that: The end faces of the I-shaped structural angle steel at both ends in the length direction are spaced apart from the deck longitudinal bones, and both end faces of the I-shaped structural angle steel include a vertical surface extending downward from the lower end surface of the deck and a beveled surface extending obliquely inward and downward from the lower end of the vertical surface.

6. A low-vibration and low-deformation cable bracket installation structure for ships according to claim 2, characterized in that: The L-shaped angle steel structure and the I-shaped flat steel structure are lap-welded. The height of the I-shaped flat steel structure is h. In the height direction of the I-shaped flat steel structure, the distance between the lap point of the L-shaped angle steel structure and the I-shaped flat steel structure and the lower free edge of the I-shaped flat steel structure is m. m / h is expressed by n, and the n value range is 0.4~0.67.