CN203422194U - Cable watertightness testing device - Google Patents

Cable watertightness testing device Download PDF

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Publication number
CN203422194U
CN203422194U CN201320461913.4U CN201320461913U CN203422194U CN 203422194 U CN203422194 U CN 203422194U CN 201320461913 U CN201320461913 U CN 201320461913U CN 203422194 U CN203422194 U CN 203422194U
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China
Prior art keywords
cable
pressure chamber
pressure
clamp nut
pressure cabin
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Active
Application number
CN201320461913.4U
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Chinese (zh)
Inventor
韦玮
戴显尧
黄巍
李连喜
毕建金
孙文龙
周妍
蒋慧
苏美丽
刘宗伟
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TIANJIN 609 CABLE Co Ltd
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TIANJIN 609 CABLE Co Ltd
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Priority to CN201320461913.4U priority Critical patent/CN203422194U/en
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Abstract

The utility model relates to a cable watertightness testing device. The tube body of a pressure cabin is respectively provided with a pressure gauge, a decompression valve, a water source interface and a suppressing interface; flanges are respectively fixed on the two ends of the tube body of the pressure cabin; fastening nuts with threading holes or fastening nuts without threading holes are in bolted connection with the two ends of the pressure cabin through sealant loops; measuring cylinders are arranged below the fastening nuts with the threading holes; and a depressing device is connected with the depressing interface. The testing method is as follows: inserting a prepared cable into the pressure cabin, sealing the two ends of the pressure cabin through the sealant loops by use of the fastening nuts, and placing two ends or one end of the cable extending outside the fastening nuts with the threading holes in the measuring cylinders; filling up the pressure cabin with water; tamping down into the pressure cabin; and examining whether the water leaks and drops at the two ends of the cable or weighing the water leakage volume in the measuring cylinders after the test is finished. By using the cable watertightness testing device, high pressure states underwater can be simulated in a real manner, the watertight performance of the cable can be effectively detected, and the cable watertightness testing device also has the advantages of good repeatability, small errors and the like.

Description

Cable watertightness test device
Technical field
The utility model relates to a kind of cable test device, be particularly related to a kind of cable watertightness test device, watertightness test device, the watertightness that is mainly used in extra large cable and underwater cable detects, can by different modes of emplacement detection streamers laterally, direction waterproof, the block water cable watertightness performance of packing material of test different structure, difference that can be authentic and valid, the data of test have good repeatability, have reduced to greatest extent test error.
Background technology
Sea cable and underwater cable are waterborne, the nervous centralis of naval vessel electric power and communication system under water, undertaking the transmission of electric power supply and photosignal, the reliability of cable is directly connected to the normal operation of whole naval vessel electric power and communication system, so the reliability of cable, security are particularly important.In detection means, be the requirement of watertightness with the difference of other cable maximums, watertightness is one of extra large cable and underwater cable important performance, domestic light water tightness test device is applicable to complete machine or instrument and equipment, cannot detect cable, for this reason my company's designed, designed, grind and made a set of device for detecting water tightness, for the reliability of cable detects, provide a kind of detection means.
Summary of the invention
In view of the situation that prior art exists, the utility model provides really high pressure conditions under Simulated Water, and effective detection streamer watertightness performance has the cable watertightness test device of the feature such as reproducible, error is little.
The utility model for achieving the above object, the scheme of taking is: a kind of cable watertightness test device, it is characterized in that: comprise clamp nut, O-ring seal, flange, tensimeter, pressure chamber, blowdown valve, water source interface, suppress equipment, suppress interface, graduated cylinder, described pressure chamber is tubular body, on the body of pressure chamber, be respectively equipped with tensimeter, blowdown valve, water source interface, suppress interface, on the two ends of pressure chamber body, fix respectively a flange, with the described clamp nut of cable-through hole or without the described clamp nut of cable-through hole, the flange by O-ring seal and pressure chamber one end is spirally connected, with the described clamp nut of cable-through hole or without the described clamp nut of cable-through hole, the flange by O-ring seal and the pressure chamber other end is spirally connected, below the clamp nut with cable-through hole, be provided with graduated cylinder, described suppress equipment by sebific duct with suppress interface and be connected.
Feature of the present utility model is: O-ring seal is wear-resistant seal cushion rubber, and the aperture of O-ring seal is slightly less than the outside diameter of cable, can guarantee to be repeatedly used, and meets the requirement of repeatedly groping data.Pressure chamber is high strength pressure cabin, adopts high tensile steel tube, can meet the watertightness test of 10MPa, simulates 1000 meters of depth capacity pressure environments.Pressure chamber is tubular body, two ends are equipped with clamp nut, O-ring seal, flange for sealing, can cable two ends all be exposed outside pressure chamber, for the horizontal watertightness performance of test cable, also cable one end can be exposed outside pressure chamber, one end is placed in pressure chamber, and for test cable direction waterproof performance, two kinds of methods can easily be switched.The equipment of suppressing, for automatically suppressing equipment, can, according to manometric real-time display module internal pressure value automatic compensation, guarantee stipulated time internal pressure cabin constant pressure.Whether graduated cylinder leaks for detection of cable socket, as leaked, can weigh accurately the volume that leaks, the watertightness performance of reflection cable.Blowdown valve adopts automatic decompression valve, it is a kind of safety device, can preset pressure value, for example, while carrying out 6MPa waterproof test, blowdown valve can default to 6.3MPa(a little more than test hydraulic pressure), when automatically suppressing device fails or other reasons build-up of pressure is too high, when pressure surpasses blowdown valve preset value, blowdown valve is opened automatically, prevents security incident.In a word, high pressure conditions under Simulated Water really, effectively detection streamer watertightness performance, has the advantages such as reproducible, error is little.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the structural representation of the horizontal watertightness performance of test cable;
Fig. 2 is that the utility model is for the structural representation of test cable direction waterproof performance.
Embodiment
As Fig. 1, shown in 2, cable watertightness test device, comprise clamp nut 1, O-ring seal 2, flange 3, tensimeter 4, pressure chamber 5, blowdown valve 6, water source interface 7, suppress equipment 8, suppress interface 9, graduated cylinder 10, pressure chamber 5 is tubular body, on the body of pressure chamber 5, be respectively equipped with tensimeter 4, blowdown valve 6, water source interface 7, suppress interface 9, on the two ends of pressure chamber 5 bodys, spiral shell dress is fixed a flange 3 respectively, with the clamp nut 1 of cable-through hole or without the clamp nut 1 of cable-through hole, by O-ring seal 2 and the flange 3 of pressure chamber 5 one end, be spirally connected, with the clamp nut 1 of cable-through hole or without the clamp nut 1 of cable-through hole, by O-ring seal 2 and the flange 3 of pressure chamber 5 other ends, be spirally connected, below the clamp nut 1 with cable-through hole, be provided with graduated cylinder 10, suppress equipment 8 by sebific duct with suppress interface 9 and be connected.
O-ring seal 2 is wear-resistant seal cushion rubber.Pressure chamber 5 is high strength pressure cabin.Blowdown valve 6 is automatic decompression valve.Suppress equipment 8 for automatically suppressing equipment.
Cable watertightness test method, step is as follows:
A, the horizontal watertightness test of cable, as shown in Figure 1:
The first step, sample preparation: the finished cable 11 of getting suitable length, if pressure chamber 5 length are L, answer >=L+1m of cable 11 length, so that the detection of leaking after the placement of cable 11 and off-test, be generally 8~10 meters, cable 11 two ends are carried out suitably processing and making termination smooth, the detection of being convenient to leak;
Second step, the cable preparing 11 is inserted in pressure chamber 5, the two ends of cable 11 are respectively through being fixed on the flange 3 at pressure chamber 5 two ends and O-ring seal 2 and with the clamp nut 1 of cable-through hole, locking is sealed at both ends by pressure chamber by O-ring seal 2 with the clamp nut 1 of cable-through hole, cable 11 in pressure chamber 5 is for being horizontally disposed with, and the two ends of stretching out with the cable 11 outside the clamp nut 1 of cable-through hole are placed in respectively in graduated cylinder 10;
The 3rd step, opens running water pipe switch, by water source interface 7, will in pressure chamber 5, fill with water;
The 4th step, by suppressing equipment 8, in pressure chamber 5, suppress, by observing the numerical value of tensimeter 4, pressure in pressure chamber 5 is controlled to corresponding force value 1MPa~10MPa, general according to different product structures and request for utilization, force value is different, and blowdown valve 6 is safety precautions, reaches releasing pressure automatically after preset pressure;
The 5th step, suppress equipment 8 in real time according to the pressure ftercompction in pressure chamber 5, the force value that makes to maintain in pressure chamber 5 setting is constant, and 0.5h within the regular hour~168h keeps force value constant, general according to different product structures and request for utilization, the retention time is different;
The 6th step, checks the whether water clock water outlet of cable 11 two ends after off-test, as leaked, weigh the volume that leaks in graduated cylinder 10, completes watertightness test;
B, the test of cable direction waterproof, as shown in Figure 2:
The first step, sample preparation: get the finished cable 11 of suitable length, if pressure chamber 5 length are L, answer >=L/2+0.5m of cable 11 length, so that the detection of leaking after the placement of cable 11 and off-test is generally 4~5 meters, 11 liang of end-grain cutting of cable are flat, and 11 two end faces of cable are exposed completely;
Second step, by one end of the cable preparing 11, successively through being placed in pressure chamber 5 with clamp nut 1, the O-ring seal 2 of cable-through hole and the flange 3 that is fixed on pressure chamber 5 one end, locking seals pressure chamber one end by O-ring seal 2 with the clamp nut 1 of cable-through hole, clamp nut without cable-through hole 1 is connected with the flange 3 that is fixed on pressure chamber 5 other ends by O-ring seal 2, the pressure chamber other end is sealed, cable 11 in pressure chamber 5 is for being horizontally disposed with, and the one end of stretching out with the cable 11 outside the clamp nut 1 of cable-through hole is placed in graduated cylinder 10;
The 3rd step, opens running water pipe switch, by water source interface 7, will in pressure chamber 5, fill with water;
The 4th step, by suppressing equipment 8, in pressure chamber 5, suppress, by observing the numerical value of tensimeter 4, pressure in pressure chamber 5 is controlled to corresponding force value 1MPa~10MPa, general according to different product structures and request for utilization, force value is different, and blowdown valve 6 is safety precautions, reaches releasing pressure automatically after preset pressure;
The 5th step, suppress equipment 8 in real time according to the pressure ftercompction in pressure chamber 5, the force value that makes to maintain in pressure chamber 5 setting is constant, and 0.5h within the regular hour~168h keeps force value constant, general according to different product structures and request for utilization, the retention time is different;
The 6th step, checks the whether water clock water outlet of cable 11 two ends after off-test, as leaked, weigh the volume that leaks in graduated cylinder 10, completes watertightness test.

Claims (5)

1. a cable watertightness test device, is characterized in that: comprise clamp nut (1), O-ring seal (2), flange (3), tensimeter (4), pressure chamber (5), blowdown valve (6), water source interface (7), suppress equipment (8), suppress interface (9), graduated cylinder (10), described pressure chamber (5) is tubular body, is respectively equipped with tensimeter (4) on the body of pressure chamber (5), blowdown valve (6), water source interface (7), suppress interface (9), on the two ends of pressure chamber (5) body, fix respectively a flange (3), with the described clamp nut (1) of cable-through hole or without the described clamp nut (1) of cable-through hole, by O-ring seal (2) and the flange (3) of pressure chamber (5) one end, be spirally connected, with the described clamp nut (1) of cable-through hole or without the described clamp nut (1) of cable-through hole, by O-ring seal (2) and the flange (3) of pressure chamber (5) other end, be spirally connected, in the below of the clamp nut with cable-through hole (1), be provided with graduated cylinder (10), described in suppress equipment (8) by sebific duct with suppress interface (9) and be connected.
2. cable watertightness test device according to claim 1, is characterized in that: O-ring seal (2) is wear-resistant seal cushion rubber.
3. cable watertightness test device according to claim 1, is characterized in that: pressure chamber (5) is high strength pressure cabin.
4. cable watertightness test device according to claim 1, is characterized in that: blowdown valve (6) is automatic decompression valve.
5. cable watertightness test device according to claim 1, is characterized in that: suppress equipment (8) for automatically suppressing equipment.
CN201320461913.4U 2013-07-29 2013-07-29 Cable watertightness testing device Active CN203422194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320461913.4U CN203422194U (en) 2013-07-29 2013-07-29 Cable watertightness testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320461913.4U CN203422194U (en) 2013-07-29 2013-07-29 Cable watertightness testing device

Publications (1)

Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103364149A (en) * 2013-07-29 2013-10-23 天津六〇九电缆有限公司 Testing device and testing method for water tightness of cable
CN104614246A (en) * 2015-01-09 2015-05-13 芜湖市金贸流体科技股份有限公司 Through-wall pipe type test method
CN108064345A (en) * 2017-11-10 2018-05-22 苏州富强科技有限公司 For testing the test device of special-shaped component high pressure watertight sexual function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103364149A (en) * 2013-07-29 2013-10-23 天津六〇九电缆有限公司 Testing device and testing method for water tightness of cable
CN104614246A (en) * 2015-01-09 2015-05-13 芜湖市金贸流体科技股份有限公司 Through-wall pipe type test method
CN108064345A (en) * 2017-11-10 2018-05-22 苏州富强科技有限公司 For testing the test device of special-shaped component high pressure watertight sexual function

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