CN203369229U

CN203369229U - Spherical ground anchor with sand preventing function

Info

Publication number: CN203369229U
Application number: CN201320481255.5U
Authority: CN
Inventors: 翟玉明
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-03
Filing date: 2013-08-03
Publication date: 2014-01-01
Anticipated expiration: 2023-08-03

Abstract

The utility model discloses a spherical ground anchor with a sand preventing function. The spherical ground anchor comprises a semi-sphere anchor body, a flange connecting disc, a through cavity and a movable core barrel in the through cavity. An annular table is arranged in the middle of the inner wall of the through cavity, and the inner diameter of the portion, above the annular table, of the through cavity is larger than that of the portion, below the annular table, of the through cavity. The movable core barrel is provided with an opening and a barrel bottom, a plurality of holes are formed in the peripheral barrel wall of the bottom of the core barrel, and the outer diameter of the outer portion of the core barrel is larger than that of the lower portion of the core barrel. The outer wall of the core barrel is in clearance fit with the inner wall of the through cavity. An anchor bottom cover with the arc-shaped outer surface is connected to the bottom of the barrel bottom of the core barrel, and the diameter of the anchor bottom cover is larger than that of the barrel bottom. The spherical ground anchor with the sand preventing function has the advantages of having a ground anchoring function and a sand preventing function; in the ground anchoring process, the contact surface of the spherical ground anchor and a seafloor is large, pressure is small, anchoring is stable, and weigh anchor upward floating resistance is small. A net box dives to the seafloor, the anchor bottom cover moves upwards to form one part of a semi-sphere ground anchor bottom end spherical surface, a fit clearance lower opening between the core barrel and the through cavity is blocked to ensure that the ground anchor becomes an integrally-sealed spherical body, and sand is effectively prevented from entering a tube.

Description

There is the spherical earth anchor of preventing into the silt particle function

Technical field:

The utility model relates to net cage for sea farming, relates generally to the earth anchor of the vertical buoyancy tube of fish culture net cage bottom.

Background technology:

The fish culture net cage earth anchor is loaded on the vertical buoyancy tube bottom that forms net cage frame, when net cage dive its anchorage effect during in seabed.The submerged floating net cage enters in vertical buoyancy tube for preventing dive silt particle when the seabed, often needs to adopt and prevents into device for silt, in prior art, generally will prevent being arranged in earth anchor intracardiac into device for silt.Earth anchor with prevent separating into device for silt, earth anchor has three straight leg earth anchor and tubular earth anchors, larger with the contact resistance of sea bottom surface, the resistance while weighing anchor floating is large.Prevent into device for silt because not having and the earth anchor Integral design, therefore it is not ideal enough to put the silt particle effect into.

Summary of the invention:

The purpose of the utility model, be to provide a kind of spherical earth anchor of preventing into the silt particle function that has, and both can play good earth anchor function, can play and well prevent into the silt particle function again.

Embodiment of the present utility model is, has the spherical earth anchor of preventing into the silt particle function, comprises that the hemispherical anchor body 1 in its underpart, its top flange connect dish 2, it is inner for having the cavity 3 of upper shed 4 and under shed 5, is provided with mobile core cylinder 8 in cavity.Described cavity 3 its inwall middle parts have ring platform 6, and the above cavity internal diameter of ring platform is greater than the following cavity internal diameter of ring platform.In described cavity, mobile core cylinder 8 has upper shed 9 and the cylinder end 11, and the circumference barrel of cylinder at the end is evenly distributed with a plurality of perforates 12, and outside core cylinder top, footpath is greater than footpath outside core cylinder bottom, forms convex edge 10 between upper and lower two part core drum outer walls.Outside core cylinder 8 within wall and cavity 3 wall be being nested of matched in clearance.Connect cover cap 14 at the bottom of the curved anchor of outer surface at the bottom of the cylinder of core cylinder for 11 times, at the bottom of anchor the cover cap diameter be greater than tin at the bottom of diameter, while moving on the core cylinder, at the bottom of anchor, the arc-shaped outer surface of cover cap and earth anchor lower end join and form the part of earth anchor bottom sphere, and close fit clearance 13 under sheds between core cylinder 8 and cavity 3.

Good effect of the present utility model:

The utlity model has anchorage and prevent into the silt particle dual-use function, during anchorage, anchor of the hemispherical end and the large pressure of sea bottom surface contact-making surface are little, support steadily, and anchoring is stable, and while weighing anchor, the floating resistance is little.In seabed, move a part that forms hemispherical earth anchor bottom sphere when the net cage dive at the bottom of anchor on cover cap, close fit clearance 13 under sheds between core cylinder 8 and cavity 3, make earth anchor sealing spherical surface body in aggregates, effectively prevented entering of silt particle.Weigh anchor when floating, under the effect of inflation pressure, the pressure of lower draining very easily promotes the core cylinder and moves down, and pushes cover cap at the bottom of anchor open, will around silt particle wash open, thereby reduce the floating resistance of weighing anchor.

The accompanying drawing explanation:

Front view when moving the anchor underseal on cover cap at the bottom of accompanying drawing 1 the utility model anchor and closing

Front view when at the bottom of accompanying drawing 2 the utility model core cylinders 8 connection anchors, cover cap 14 moves down

Front view when accompanying drawing 3 the utility model are installed on vertical buoyancy tube bottom

Embodiment:

Be a kind of embodiment of the utility model as shown in Figure 1.Comprise that the hemispherical anchor body 1 in its underpart, its top flange connect dish 2, it is inner for having the cavity 3 of upper shed 4 and under shed 5, be provided with mobile core cylinder 8 in cavity.Described cavity 3 its inwall middle parts have ring platform 6, and the above cavity internal diameter of ring platform is greater than the following cavity internal diameter of ring platform.In described cavity, mobile core cylinder 8 has upper shed 9 and the cylinder end 11, and the circumference barrel of cylinder at the end is evenly distributed with a plurality of perforates 12, and outside core cylinder top, footpath is greater than footpath outside core cylinder bottom, forms convex edge 10 between upper and lower two part core drum outer walls.Outside core cylinder 8 within wall and cavity 3 wall be being nested of matched in clearance.Connect cover cap 14 at the bottom of the curved anchor of outer surface at the bottom of the cylinder of core cylinder for 11 times, at the bottom of anchor the cover cap diameter be greater than tin at the bottom of diameter, while moving on the core cylinder, at the bottom of anchor, the arc-shaped outer surface of cover cap and earth anchor lower end join and form the part of earth anchor bottom sphere, and close fit clearance 13 under sheds between core cylinder 8 and cavity 3.The curved epirelief of 11 its inner surface at the bottom of the cylinder of core cylinder, the heart is connected with cover cap at the bottom of anchor 14 by bolt 15 among at the bottom of the core cylinder cylinder of arc epirelief.

Front view when accompanying drawing 2 connects at the bottom of anchor for the utility model core cylinder that cover cap moves down, a plurality of perforates 12 of barrel of core cylinder bottom are displaced downwardly under cavity 3 end openings, are beneficial to into draining.

Accompanying drawing 3 is for to be connected and installed in the vertical buoyancy tube 16 bottom front views of net cage by the spherical earth anchor of the utility model by bolt, flange, vertical buoyancy tube bottom inner for by the bottom of conical pipe, advance the drain control unit that advances that discharge outlet 18 and ball float 17 form, advance opening 4 on the cavity 3 of discharge outlet 18 and earth anchor and dock UNICOM.

When the net cage wish floating of anchor in seabed rises, by charge and exhaust pipe, in vertical buoyancy tube, inflated, water pressurized in pipe, bottom water will through gap between core cylinder bottom circumferential openings 12, core cylinder and cavity 13 discharge press off anchor at the bottom of cover cap 14, then the core cylinder will be displaced downwardly to state shown in accompanying drawing 2, perforate 12 is displaced downwardly under cavity under shed 5, and water will efflux through perforate 12, and net cage will constantly rise and float.With constantly being discharged by pressurising of water in vertical buoyancy tube, pipe inner float ball 17 will descend with the decline of water level in pipe, wait to manage interior water and all discharge, and ball float blocks the pipe end and advances discharge outlet 18, prevents charge leakage.When net cage needs dive, carry out the pressure release water inlet, seawater enters the core cylinder by end anchor core cylinder 8 bottom circumferential openings 12, advance discharge outlet 18 through core cylinder, cavity upper shed 4, vertical buoyancy tube bottom and enter in vertical buoyancy tube, with continuous pressure release water inlet, the continuous dive of net cage, pipe inner float ball 17 rises with the rising of water level in pipe, advance full water in pipe, the pipe inner float ball blocks pipe jacking exhaust outlet, and anti-sealing enters tracheae by pipe jacking exhaust outlet.Now, net cage has been dived in to seabed, and at the bottom of anchor, cover cap 14 is pushed and moves by sea bottom surface, with the earth anchor lower end, joins and forms the part of earth anchor bottom sphere, closes the fit clearance 13 between core cylinder 8 and cavity 3, has effectively prevented that silt particle from entering.

Claims

1. there is the spherical earth anchor of preventing into the silt particle function, it is characterized in that, comprise that the hemispherical anchor body in its underpart (1), its top flange connect dish (2), it is inner for having the cavity (3) of upper shed (4) and under shed (5), be provided with mobile core cylinder (8) in cavity; Its inwall middle part of described cavity (3) has ring platform (6), and the above cavity internal diameter of ring platform is greater than the following cavity internal diameter of ring platform; In described cavity, mobile core cylinder (8) has upper shed (9) and the cylinder end (11), circumference barrel at the bottom of core cylinder cylinder is evenly distributed with a plurality of perforates (12), outside core cylinder top, footpath is greater than footpath outside core cylinder bottom, between upper and lower two part core drum outer walls, forms convex edge (10); Outside core cylinder (8) within wall and cavity (3) wall be matched in clearance; Connect cover cap (14) at the bottom of the curved anchor of outer surface at the bottom of the cylinder of core cylinder under (11), at the bottom of anchor, the cover cap diameter is greater than diameter at the bottom of core cylinder cylinder, while moving on the core cylinder, at the bottom of anchor, the arc-shaped outer surface of cover cap and earth anchor lower end join and form the part of earth anchor bottom sphere, and close fit clearance (13) under shed between core cylinder (8) and cavity (3).

2. there is according to claim 1 the spherical earth anchor of preventing into the silt particle function, it is characterized in that, the curved epirelief of (11) its inner surface at the bottom of the cylinder of described core cylinder; The heart is connected with cover cap at the bottom of anchor (14) by bolt (15) among at the bottom of the core cylinder cylinder of arc epirelief.