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Cable tension testing device

A tension test and cable technology, which is applied in fluid pressure actuation devices, using stable tension/pressure to test the strength of materials, servo meter circuits, etc., can solve the problem of low work efficiency, the tension value cannot be kept constant, and cannot be realized Online adjustment and other issues to achieve the effect of ensuring continuous and uninterrupted work, improving automatic adjustment capabilities, and enhancing fault response capabilities

Pending Publication Date: 2017-12-22
NINGBO CHUANGLI HYDRAULIC MACHINERY MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the device can complete a certain test, it is greatly affected by external factors. As the test continues, the tensile machine will inevitably be fatigued and overheated due to long-term work, so that the set tensile value cannot be kept constant continuously. Multiple adjustments are not only time-consuming and laborious, but also result in inaccurate test results, which cannot meet the long-term testing of large batches of products; at the same time, the device has no fault-tolerant mechanism. Once the machine fails due to long-term work, the test device will be in a paralyzed state. , unable to achieve online adjustment, unable to achieve continuous and effective testing, resulting in low work efficiency

Method used

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Embodiment Construction

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0025] The terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present invention. limit.

[0026] Such as figure 1 , figure 2 Shown is a cable swing angle testing device of the present invention. The device includes a power source module 1 for providing output power P2 for subsequent de...

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Abstract

The invention relates to a cable tension testing device. The cable tension testing device comprises a power source module (1) for providing output power and an oil cylinder (74) connected with a cable. The cable tension testing device is characterized by further comprising a constant tension control module (2), the input end of the constant tension control module (2) is connected with the output end of the power source module (1), and the output end is connected with the oil cylinder (74) for receiving the output power and generating constant tension; and the oil cylinder (74) moves under the constant tension effect, and the cable is controlled to be tested according to the constant tension. Compared with the prior art, the working efficiency and the working accuracy of a cable fatigue testing device are improved through the cable tension testing device.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a cable tension testing device for cable fatigue testing. Background technique [0002] Large-scale cables, especially offshore engineering cables or umbilical cables, must undergo sufficient mechanical performance tests, such as fatigue tests, before they are officially put into use. In actual engineering, the umbilical cable transmits energy and power from the mother ship, such as a workboat or an offshore platform, to the underwater working device, and the underwater working device is often affected by various factors such as gravity and waves, which will generate a certain amount of tension and force on the mother ship. Therefore, in order to keep the overall system stable, the mother ship will have a certain amount of cable storage to maintain a certain tension state and deal with complex and changeable underwater situations. [0003] Laboratory tests cannot prepare a large ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B20/00F15B21/02F15B21/04G01N3/10
CPCF15B20/00F15B21/02F15B21/042G01N3/10F15B2211/50
Inventor 林永泽龚群朱庆伍方志勇
Owner NINGBO CHUANGLI HYDRAULIC MACHINERY MFG CO LTD
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