CN109706907B - Ship lift cabin water loss working condition test method - Google Patents
Ship lift cabin water loss working condition test method Download PDFInfo
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- CN109706907B CN109706907B CN201910108173.8A CN201910108173A CN109706907B CN 109706907 B CN109706907 B CN 109706907B CN 201910108173 A CN201910108173 A CN 201910108173A CN 109706907 B CN109706907 B CN 109706907B
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Abstract
The invention relates to a method for testing the water loss working condition of a ship chamber of a ship lift, and belongs to the field of ship lifts. At present, the established vertical ship lifts at home and abroad have no specific experience on accident condition tests and are continuously explored. The invention utilizes the manually operated cabin water filling and draining system to carry out the cabin water loss working condition test, simulates the water loss working condition of the cabin caused by the improper closing of the cabin door or other reasons by opening the draining valve, and can change the water loss speed of the cabin by adjusting the number of the opened draining valves so as to meet different water loss working conditions of the cabin water loss test. The invention provides a ship lift chamber water loss working condition test, which is one of key tests in a ship lift field debugging stage and mainly aims to comprehensively test the safety reliability of the operation of a ship lift and the response to accident working conditions.
Description
Technical Field
The invention relates to a method for testing the water loss working condition of a cabin of a vertical ship lift, and belongs to the field of ship lifts.
Background
The test of the water loss working condition of the ship lift chamber is one of key tests in the field debugging stage of the ship lift, and mainly aims to comprehensively test the safety reliability of the operation of the ship lift and the response to the accident working condition and accumulate the experience of the accident working condition in the lifting process of the ship chamber. The chinese patent with application number 201010228607.7 discloses a safety guarantee method and device for a counterweight type vertical ship lift, which is used for solving the problem of complete water loss at any position of a ship chamber.
Disclosure of Invention
The invention provides a method for testing the water loss working condition of a ship chamber of a ship lift, which is characterized in that the existing vertical ship lift built at home and abroad has no specific experience on accident working condition tests and is continuously explored.
The technical scheme adopted by the invention for solving the problems is as follows: a ship lift cabin water loss working condition test method is characterized by comprising the following steps:
(1) preparing before testing;
(2) adjusting the water depth in the ship chamber;
(3) starting the ship chamber to operate;
(4) starting a ship chamber water filling and draining system for draining water;
(5) stopping the running of the ship chamber and stopping the drainage;
(6) the test was completed.
Further, the step (1) specifically includes the following steps:
(a) preparing test equipment, specifically: connecting the ship chamber with a counterweight system through a steel wire rope, and completing balancing; the safety brake system is installed and debugged to be capable of normally operating; completing the loaded debugging of the main lifting system to ensure that the lift operation of the ship chamber is normal; the installation and debugging of the ship chamber water filling and draining system are completed, so that the ship chamber water filling and draining system can normally run; the ship lift seepage drainage system is installed and debugged, so that the ship lift seepage drainage system can normally run;
(b) preparing a test technology, specifically: commanding, managing, constructing, supervising and detecting personnel are in place, and work division responsibility is clear; technical background is carried out before the test, so that the tester is familiar with the safety operation key points and the test procedures.
Further, the step (2) is specifically: and the water depth in the ship chamber is adjusted to the standard water depth through a ship chamber water filling and draining system.
Further, the step (3) is specifically: and starting the main lifting system to operate the normal lifting operation of the ship chamber.
Further, the step (4) specifically includes the following steps:
(a) after the lifting speed of the ship chamber reaches a rated speed, a water pump and a water drain valve of a ship chamber water filling and draining system are manually opened, water in the ship chamber is drained to a ship chamber water collecting well, and the water loss working condition in the running process of the ship chamber is simulated;
(b) monitoring the torque and current of the main hoister and the torque change of a synchronizing shaft in real time;
(c) and monitoring the elevation of the ship chamber, the water depth in the ship chamber and the dynamic horizontal detection value in real time.
Further, the step (5) specifically includes the following steps:
(a) when the water depth in the ship chamber exceeds the water depth range of the mis-loading, manually operating and stopping the ship chamber to stop lifting operation;
(b) closing a water pump and a water drain valve of a ship chamber water filling and draining system to stop draining the ship chamber;
(c) the working conditions of all the brakes are checked manually.
Further, the step (6) is specifically: and after the test is finished, filling water into the ship chamber by using the water suction pump until the standard water depth is recovered, so that the normal working requirement of the ship lift is met.
Furthermore, in the test process, the water loss working condition of the ship chamber caused by the fact that the door of the ship chamber is not closed in place or other reasons is simulated by opening the water release valves, and the water loss speed of the ship chamber is changed by adjusting the number of the opened water release valves, so that different water loss working conditions of the water loss test of the ship chamber are met.
Further, during the test, the water discharged from the cage fill and drain water system to the cage chamber was drained through the ship lift seepage drain system.
Compared with the prior art, the invention has the following advantages and effects: the invention accumulates experience for the accident condition of the ship chamber lifting process, and provides information for the design of the protection device and the method which are needed to be adopted in the accident condition of the subsequent ship chamber lifting process.
Detailed Description
The present invention is further illustrated by the following examples, which are illustrative of the present invention and are not to be construed as being limited thereto.
Examples are given.
The method for testing the water loss working condition of the ship chamber of the ship lift in the embodiment comprises the following steps of:
(1) preparing before testing;
the method specifically comprises the following steps:
(a) preparing test equipment, specifically: connecting the ship chamber with a counterweight system through a steel wire rope, and completing balancing; the safety brake system is installed and debugged to be capable of normally operating; completing the loaded debugging of the main lifting system to ensure that the lift operation of the ship chamber is normal; the installation and debugging of the ship chamber water filling and draining system are completed, so that the ship chamber water filling and draining system can normally run; the ship lift seepage drainage system is installed and debugged, so that the ship lift seepage drainage system can normally run;
(b) preparing a test technology, specifically: commanding, managing, constructing, supervising and detecting personnel are in place, and work division responsibility is clear; technical background is carried out before the test, so that the tester is familiar with the safety operation key points and the test procedures.
(2) Adjusting the water depth in the ship chamber;
and the water depth in the ship chamber is adjusted to the standard water depth through a ship chamber water filling and draining system.
(3) Starting the ship chamber to operate;
and starting a brake pump station, a speed reducer lubrication pump station, a main lifting motor and frequency conversion, and operating the normal lifting operation of the ship chamber after a main room control station is prepared.
(4) Starting a ship chamber water filling and draining system for draining water;
the method specifically comprises the following steps:
(a) after the lifting speed of the ship chamber reaches a rated speed, starting 1 filling and draining water pump respectively at the upstream chamber head and the downstream chamber head of the ship chamber, discharging water in the ship chamber to a ship chamber water collecting well, and simulating a water loss working condition in the running process of the ship chamber; the water discharge is controlled by adjusting the opening of a water discharge valve, the water depth in the ship chamber is monitored in real time, and the falling speed of the water depth in the ship chamber is controlled to be about 1 cm/min;
(b) monitoring the torque and current of the main hoister and the torque change of a synchronizing shaft in real time;
(c) and monitoring the elevation of the ship chamber, the water depth in the ship chamber and the dynamic horizontal detection value in real time.
(5) Stopping the running of the ship chamber and stopping the drainage;
the method comprises the following specific steps:
(a) when the water depth in the ship chamber exceeds the water depth range of the mis-loading, manually operating and stopping the ship chamber to stop lifting operation;
(b) closing a water pump and a water drain valve of a ship chamber water filling and draining system to stop draining the ship chamber;
(c) the working conditions of all the brakes are checked manually.
(6) The test was completed.
And after the test is finished, filling water into the ship chamber by using the water suction pump until the standard water depth is recovered, so that the normal working requirement of the ship lift is met.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (2)
1. A ship lift cabin water loss working condition test method is characterized by comprising the following steps:
(1) preparing before testing;
(2) adjusting the water depth in the ship chamber;
(3) starting the ship chamber to operate;
(4) starting a ship chamber water filling and draining system for draining water;
(5) stopping the running of the ship chamber and stopping the drainage;
(6) finishing the test;
the step (1) specifically comprises the following steps:
(a) preparing test equipment, specifically: connecting the ship chamber with a counterweight system through a steel wire rope, and completing balancing; the safety brake system is installed and debugged to be capable of normally operating; completing the loaded debugging of the main lifting system to ensure that the lift operation of the ship chamber is normal; the installation and debugging of the ship chamber water filling and draining system are completed, so that the ship chamber water filling and draining system can normally run; the ship lift seepage drainage system is installed and debugged, so that the ship lift seepage drainage system can normally run;
(b) preparing a test technology, specifically: commanding, managing, constructing, supervising and detecting personnel are in place, and work division responsibility is clear; carrying out technical background before the test so that testers can know safety operation key points and test procedures;
the step (2) is specifically as follows: adjusting the water depth in the ship chamber to a standard water depth through a ship chamber water filling and draining system;
the step (3) is specifically as follows: starting a main lifting system, and operating the normal lifting operation of the ship chamber;
the step (4) specifically comprises the following steps:
(a) after the lifting speed of the ship chamber reaches a rated speed, a water pump and a water drain valve of a ship chamber water filling and draining system are manually opened, water in the ship chamber is drained to a ship chamber water collecting well, and the water loss working condition in the running process of the ship chamber is simulated;
(b) monitoring the torque and current of the main hoister and the torque change of a synchronizing shaft in real time;
(c) monitoring the elevation of a ship chamber, the water depth in the ship chamber and dynamic horizontal detection values in real time;
the step (5) specifically comprises the following steps:
(a) when the water depth in the ship chamber exceeds the water depth range of the mis-loading, manually operating and stopping the ship chamber to stop lifting operation;
(b) closing a water pump and a water drain valve of a ship chamber water filling and draining system to stop draining the ship chamber;
(c) manually checking the working conditions of all brakes;
the step (6) is specifically as follows: after the test is finished, filling water into the ship chamber by using a water pump until the standard water depth is recovered, so that the normal working requirement of the ship lift is met;
the water loss working condition of the ship chamber caused by the fact that the door of the ship chamber is not closed in place or other reasons is simulated by opening the water release valve, and the water loss speed of the ship chamber is changed by adjusting the number of the opened water release valves so as to meet different water loss working conditions of the water loss test of the ship chamber.
2. The method for testing moisture loss condition of ship's cabin of ship lift of claim 1, wherein the water discharged from the cabin water charging and discharging system to the cabin chamber is discharged through the ship lift seepage drainage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108173.8A CN109706907B (en) | 2019-02-02 | 2019-02-02 | Ship lift cabin water loss working condition test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108173.8A CN109706907B (en) | 2019-02-02 | 2019-02-02 | Ship lift cabin water loss working condition test method |
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| Publication Number | Publication Date |
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| CN109706907A CN109706907A (en) | 2019-05-03 |
| CN109706907B true CN109706907B (en) | 2021-07-06 |
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| CN201910108173.8A Active CN109706907B (en) | 2019-02-02 | 2019-02-02 | Ship lift cabin water loss working condition test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111535241A (en) * | 2020-05-09 | 2020-08-14 | 河海大学 | Ship receiving chamber test device of vertical ship lift |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092629A (en) * | 2016-06-24 | 2016-11-09 | 中国长江三峡集团公司 | Shui Man railway carriage or compartment, ship lift ship railway carriage or compartment performance test method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337737A (en) * | 2010-07-16 | 2012-02-01 | 中国水电顾问集团贵阳勘测设计研究院 | Safety guaranteeing method and apparatus for vertical ship lift with counterweight |
| DE102016208157A1 (en) * | 2016-05-12 | 2017-11-16 | Robert Bosch Gmbh | Hydrostatic valve assembly and hydrostatic lifting device with the valve assembly |
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- 2019-02-02 CN CN201910108173.8A patent/CN109706907B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092629A (en) * | 2016-06-24 | 2016-11-09 | 中国长江三峡集团公司 | Shui Man railway carriage or compartment, ship lift ship railway carriage or compartment performance test method |
Non-Patent Citations (1)
| Title |
|---|
| 三峡升船机船厢失水事故动态特性研究;朱世洪等;《长江科学院院报》;20020630;第19卷(第3期);第7页 * |
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