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Marine magnetic survey cable retracting and releasing guide device

A guiding device and cable technology, applied in hoisting devices, clockwork mechanisms, etc., can solve the problems that affect the progress of scientific research and detection, the cable is easy to break, and large assets, so as to achieve good retractable effect and avoid direct contact and friction , the effect of prolonging life

Pending Publication Date: 2018-12-11
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The retracting direction of the cable is generally consistent with the rolling direction of the pulley or the drum and the sailing direction of the mother ship. Angle, under the action of tension, the cable is stuck in the gap between the pulley or the roller and the bracket, and the cable is subjected to a large friction force and extrusion force in a short time, under the dual action of friction force and extrusion force the cable breaks easily
The breakage of the cable will cause the valuable marine magnetic measuring instrument pulled by the cable to be dropped into the sea, causing a large loss of assets and seriously affecting the progress of scientific research and exploration

Method used

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  • Marine magnetic survey cable retracting and releasing guide device
  • Marine magnetic survey cable retracting and releasing guide device
  • Marine magnetic survey cable retracting and releasing guide device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: as figure 1 and Figure 4 As shown, a marine magnetic cable retractable guiding device includes a base 1, a main bracket 5 and a pulley assembly, the base 1 is fixed on the hull, the main bracket 5 is fixed on the base 1 in a horizontally rotatable manner, and the pulley assembly is located on the main In the support 5, the pulley assembly includes a left pulley 6 perpendicular to the base 1, a right pulley 8 and a pulley 2 connected and driven with the left and right pulleys 8, the left pulley 6, the right pulley 8 and the lower pulley 2 jointly form a A guide groove through which the cables 7 pass.

[0028] Left pulley 6 and right pulley 8 are meshedly connected with lower pulley 2 by bevel gears, and the outer diameters of the three are the same or different, and the length dimension is also the same. The cables are preferably KEVLAR cables, and the outer diameters of the left pulley 6, the right pulley 8 and the lower pulley 2 are greater than or equ...

Embodiment 2

[0033] Embodiment 2: This embodiment is basically the same as Embodiment 1, and its difference is: as Figure 7 As shown, the pulley assembly includes multiple sets of parallel lower pulleys 2, left pulleys 6 and right pulleys 8, and the meshing end faces of the bevel gears of the lower pulleys 2 and the left pulley 6, and the lower pulley 2 and the right pulley 8 form a plurality of blocking motion surfaces , prevent the cable 7 from snapping into the gap between the pulley and the pulley.

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Abstract

The invention discloses a marine magnetic survey cable retracting and releasing guide device which includes a base, a main support and a pulley assembly. The base is fixed on a hull, the main supportis horizontally and rotatably fixed on the base, and the pulley assembly is arranged in the main support; the pulley assembly includes at least one group of left pulley, right pulley, and lower pulley, wherein the left pulleys and the right pulleys are perpendicular to the base, and the lower pulleys are connected with and driven by the left pulleys and the right pulleys; and the left pulleys, theright pulleys and the lower pulleys correspond one to one and together form guide grooves allowing a cable to pass through. According to the marine magnetic survey cable retracting and releasing guide device, pulleys are arranged on the three sides of the guide grooves allowing the cable to pass through correspondingly, thus direct contact and friction between the cable and the support are effectively avoided, the service life of the cable is prolonged, and the cable is blocked against the meshing end faces of bevel gears to prevent the cable from getting stuck between the pulleys and the support to be pressed and broken.

Description

technical field [0001] The invention relates to the technical field of retractable and retractable marine magnetic cables, in particular to a retractable and retractable guide device for marine magnetic cables. Background technique [0002] In the process of marine magnetic survey, it is necessary to use cables to tow the marine magnetic survey instrument. When retracting the cable, it is necessary to use pulleys or rollers to reduce friction, so as to prolong the service life of the cable and prevent the cable from breaking due to friction. The retracting direction of the cable is generally consistent with the rolling direction of the pulley or the drum and the sailing direction of the mother ship. Angle, under the action of tension, the cable is stuck in the gap between the pulley or the roller and the bracket, and the cable is subjected to a large friction force and extrusion force in a short time, under the dual action of friction force and extrusion force Cables can b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66D1/36
CPCB66D1/36
Inventor 吴学文蔡建南陈堃
Owner XIAMEN UNIV
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