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Deep ocean floor sampling control ball valve

A sampling control and subsea technology, applied in sampling, sampling devices, valve details, etc., can solve the problems that the sampling control valve switch control cannot rely on external power, and the structural design is difficult

Active Publication Date: 2015-06-17
CHAODA VALVE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Deep-sea bottom sampling, because the ocean is very deep, even up to tens of thousands of meters, usually only cables can be used to retract the deep-sea bottom sampling device, without any electric, pneumatic or hydraulic control mechanism, therefore, the switch control of the sampling control valve cannot Relying on external power, the control valve automatically completes the switching action during the process of retracting and releasing the sampling device from the cable to the seabed, and requires reliable sealing. Therefore, the structural design of the deep sea bottom sampling control valve is very difficult

Method used

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  • Deep ocean floor sampling control ball valve
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  • Deep ocean floor sampling control ball valve

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Embodiment Construction

[0022] The present invention is specifically described below by the embodiment, only for further illustrating the present invention, can not be interpreted as the limitation of protection scope of the present invention, the technical engineer of this field can make some non-essential improvements and improvements to the present invention according to the content of the above-mentioned invention Adjustment.

[0023] Such as Figure 1-4 The specific embodiment of the present invention shown includes a valve body assembly 1, a ball assembly 2 and a sampling cylinder 3. A valve passage 14 is arranged in the valve body assembly 1, and the lower end opening of the valve passage 14 constitutes a sampling port. 141, the inner end of the valve channel 14 is provided with a valve seat 4, the valve body assembly 1 includes a valve body 11, a valve seat support seat 12 fixed on the lower end of the valve body 11 and a valve body fixed on the upper end of the valve body 11 The end cov...

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Abstract

The invention discloses a deep ocean floor sampling control ball valve comprising a valve assembly, a ball combining member and a sampling cylinder. The sampling cylinder is provided with a drive transmission member matching with the sampling cylinder to lift synchronously, a support shaft of the ball combining member is coaxially and rotatably provided with a driven transmission member, and the drive transmission member drives the driven transmission member to rotate; when the sampling cylinder is in the maximum limited stroke far from a ball, the drive transmission member drives the driven transmission member to allow the ball to be in the complete closed state; when the sampling cylinder is in the maximum limited stroke adjacent to the ball, the drive transmission member drives the driven transmission member to allow the ball to be in the complete communicated state. The ball valve has the advantages that the switching operation can be completed automatically in the process of cables coiled and uncoiled to the ocean floor, and the tightness reliability is high.

Description

technical field [0001] The invention belongs to the field of valves, in particular to a deep-sea sea bottom sampling control ball valve. Background technique [0002] The deep seabed is rich in resources. In order to study the substances in the deep seabed, it is necessary to sample the materials in the deep seabed under pressure so that people can conduct scientific research. The sampling of deep-sea bottom material is generally to sink the deep-sea bottom sampling device to the bottom of the deep sea through cables, and then extract the mud and other substances containing organisms on the bottom of the sea. The control valve of the general sampling device is a check valve. When the sampling device sinks rapidly, the disc of the check valve opens under the force of the seawater medium. The disc closes. There are technical problems in using the check valve as the control valve. When the sampling device is lifted, the disc of the check valve is closed. At this time, if ther...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K5/06F16K5/20F16K27/06G01N1/10
CPCF16K5/06F16K5/0689F16K5/201F16K27/067F16K31/54G01N1/14G01N2001/1025G01N2001/1031G01N2001/1427
Inventor 邱晓来叶建伟王汉洲黄明金林洁
Owner CHAODA VALVE GRP