CN-224212323-U - Expander converging assembly for towing and expanding underwater equipment

CN224212323UCN 224212323 UCN224212323 UCN 224212323UCN-224212323-U

Abstract

The utility model relates to the technical field of marine seismic exploration equipment components, in particular to an expander converging component for towing and expanding underwater equipment, which comprises a bracket A, a bracket B and a main screw, wherein the bracket A consists of an outer plate component and a lifting lug component, the outer plate component comprises two outer side vertical plates which are in mirror symmetry distribution, the lifting lug component comprises two parallel bearing lifting lugs which are welded and fixed between the inner side walls of the outer side vertical plates at equal intervals along the vertical direction, the outer side walls of the bearing lifting lugs and the inner side walls of the outer side vertical plates are connected through full-circumference fillet welds to form a bidirectional force transmission interface.

Inventors

LI SHIYANG
WANG HONGFENG
LIU PENGSHAN
ZHANG XING
DING PING
ZHU FANGCHAO
SI HANG
Rong Menqiang

Assignees

李式洋

Dates

Publication Date: 20260508
Application Date: 20250528

Claims (4)

1. The utility model provides an expander assembly that merges for dragging and expanding underwater equipment, includes support A (1), support B (2) and main screw rod (8), its characterized in that, support A (1) comprises planking subassembly (3) and lug subassembly (4), planking subassembly (3) are including two outside risers (5) that are mirror symmetry distribution, lug subassembly (4) contain two parallel arrangement's bearing lug (6), two bearing lug (6) are equidistant welded fastening along the vertical direction between the inside wall of outside riser (5), bearing lug (6) lateral wall and outside riser (5) inside wall realize full circumference angle weld connection, form two-way force conduction interface, support B (2) adopt three bearing lug (6) overall arrangement on the basis of equal outside riser (5) interval, three sets of bearing lug (6) are along vertically equidistant to be distributed between outside riser (5), and each lug (6) lateral wall has all offered run-through hole (7), support A (1) and support B (2) adopt 30 coaxial phase difference structure to be adopted for assembly lug (5) each, and the axial phase difference of locating nut (8) is passed through, and the axial locating nut is realized, pin shaft holes (11) are correspondingly formed in the side walls of the two outer side vertical plates (5) in the same group of outer plate assemblies (3) in a penetrating mode, and the pin shaft holes (11) of the two outer side vertical plates (5) are installed in a matched mode through fixed pin shafts (12).
2. The expander merging assembly for towing and expanding underwater equipment according to claim 1, wherein the ratio of the thickness of the bearing lifting lug (6) to the thickness of the outer vertical plate (5) is 1:1.2, and a 45-degree chamfer transition structure is arranged at the welding position.
3. The expander converging assembly for towing and expanding underwater equipment according to claim 1, wherein a positioning clamping groove is formed in the inner side of the outer side vertical plate (5), and a protruding structure matched with the positioning clamping groove is arranged at the end of the bearing lifting lug (6).
4. The expander merging assembly for towing and expanding underwater equipment according to claim 1, wherein the side wall of the bracket A (1) and the side wall of the bracket B (2) are respectively provided with a weight reduction groove (10) in a penetrating way.

Description

Expander converging assembly for towing and expanding underwater equipment Technical Field The utility model relates to the technical field of marine seismic exploration equipment components, in particular to an expander converging component for towing and expanding underwater equipment. Background At present, in the towing and expanding field of underwater equipment, the traditional converging assembly mostly adopts a symmetrical structural design, and has the defects that the load transmission efficiency is low, the conventional lifting lug layout is mostly symmetrically distributed, the requirement of multi-directional stress in a complex underwater environment is difficult to adapt, the horizontal towing force and the vertical vibrating force cannot be efficiently and synchronously transmitted, the local stress concentration is easily caused, the structural reliability is reduced, the dynamic stability is insufficient, the underwater equipment is easily influenced by water flow impact and vibration in the towing process, the traditional single lifting lug or symmetrical double lifting lug structure has poor dynamic compensation capability on the change of the gravity center of the load, the assembly is easily deflected or deformed, the installation and maintenance are complex, the traditional assembly is mostly dependent on bolts or welded fixation, the assembly precision requirement is high, the modularized design is lacked, the disassembly and assembly efficiency is low, the rapid deployment requirement is difficult to adapt, the lateral shearing force resistance is weak, the transverse constraint of the traditional structure is easily caused, the connecting piece is loose or invalid, and the integral structural strength is influenced. We have therefore proposed an expander junction assembly for towing and expanding underwater equipment to solve the above problems. Disclosure of utility model In view of the problems existing in the prior art, the utility model discloses an expander converging assembly for towing and expanding underwater equipment, which adopts the technical scheme that the expander converging assembly comprises a bracket A, a bracket B and a main screw, wherein the bracket A consists of an outer plate assembly and a lifting lug assembly, the outer plate assembly comprises two outer side vertical plates which are in mirror symmetry distribution, the lifting lug assembly comprises two parallel bearing lifting lugs, the two bearing lifting lugs are fixed between the inner side walls of the outer side vertical plates in an equidistant manner along the vertical direction, the outer side walls of the bearing lifting lugs and the inner side walls of the outer side vertical plates are connected in a full-circumference angle weld joint manner to form a bidirectional force transmission interface, the bracket B is distributed between the outer side vertical plates in the same outer side vertical plate interval in a three-bearing lifting lug mode at equal intervals, the side walls of each bearing lifting lug are provided with through lifting lug holes, the bracket A and the bracket B are in a staggered assembly structure with a phase difference of 30 degrees, each hole forms a coaxial positioning channel, the main screw penetrates through the coaxial positioning channel, the tail ends of the main screw is axially locked through a limiting nut, the two lifting lug side walls in the same group of the outer side plate assembly are correspondingly provided with two lifting lug side vertical plates, and the two lifting lug side walls in the outer side plates are provided with two through pin shaft holes in the same group, and are correspondingly provided with two pin shaft holes. As a preferable technical scheme of the utility model, the ratio of the thickness of the bearing lifting lug to the thickness of the outer vertical plate is 1:1.2, and a 45-degree chamfer transition structure is arranged at the welding part. As a preferable technical scheme of the utility model, a positioning clamping groove is formed in the inner side of the outer side vertical plate, and a protruding structure matched with the positioning clamping groove is arranged at the end part of the bearing lifting lug. As a preferable technical scheme of the utility model, the side wall of the bracket A and the side wall of the bracket B are respectively provided with a weight reduction groove in a penetrating way. The utility model has the beneficial effects that: 1. The asymmetric force conduction path is optimized, namely, the double lifting lugs of the bracket A and the three lifting lugs of the bracket B are combined with 30-degree phase difference dislocation assembly to form a space staggered mechanical frame, and the load is dispersed through the asymmetric force conduction path, so that stress concentration is effectively avoided, and the fatigue resistance of the whole structure is improved; 2. The main screw rod penetrates