CN106872156B - Test device capable of realizing variable water depth under mooring state of multiple water-jet propellers - Google Patents
Test device capable of realizing variable water depth under mooring state of multiple water-jet propellers Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及船舶推进领域,具体为一种可实现水深变化条件下的系泊喷水推进器的性能试验。The invention relates to the field of ship propulsion, in particular to a performance test of a mooring water jet propulsion under the condition of changing water depth.
背景技术Background technique
喷水推进船舶在航行过程中,安装的喷水推进器推进性能会随着航行水域的水深变化而产生显著差别。目前,喷水推进器推进性能的测试试验主要在开式水泵试验台等常规试验台架上进行,但现有的常规试验台架难以测试浅水水域的喷水推进装置性能,无法全面准确地模拟喷水推进器的实际运行工况。因此,为模拟喷水推进船舶在深水域航行、船舶入水或登岸过程中全回转喷水推进器的多种复杂工况条件,从而更准确的预报喷水推进器的推进性能,有必要设计一种可实现喷水推进器在系泊状态下随水深变化的推进性能试验装置。During the sailing process of the water jet propulsion ship, the propulsion performance of the installed water jet propulsion will vary significantly with the change of the water depth of the navigable waters. At present, the test of water jet propulsion performance is mainly carried out on conventional test benches such as open water pump test benches. However, the existing conventional test benches are difficult to test the performance of water jet propulsion devices in shallow waters and cannot fully and accurately simulate the performance of water jet propulsion devices. Actual operating conditions of water jets. Therefore, in order to simulate the various complex working conditions of the azimuth waterjet during the navigation of the waterjet ship in deep water, the ship entering the water or the landing process, so as to predict the propulsion performance of the waterjet more accurately, it is necessary to design A propulsion performance test device that can realize the change of water jet propulsion with water depth in moored state.
发明内容SUMMARY OF THE INVENTION
本发明所要解决的技术问题是:喷水推进器产生的推力如何测量,喷水推进器测试水深的变化如何实现,以及如何实现多种类型喷水推进器的性能试验。The technical problems to be solved by the present invention are: how to measure the thrust generated by the water jet, how to realize the change of the water jet test water depth, and how to realize the performance test of various types of water jet.
本发明解决其技术问题采用以下的技术方案:The present invention solves its technical problem and adopts following technical scheme:
本发明提供的可实现多种喷水推进器系泊状态下可变水深的试验装置,包括浮箱、升降平台、推力传感器和电驱动机构;所述浮箱,其底面与浮箱支撑架上端相连,其下端固定在试验水池的池底上;升降平台通过试验水池左右两侧的升降平台连接架和升降平台岸上固定杆进行固定;推力传感器的一端与电驱动机构相连,另一端与试验水池的侧壁相连。The test device provided by the present invention can realize variable water depth under the mooring state of various water jets, including a floating box, a lifting platform, a thrust sensor and an electric drive mechanism; the bottom surface of the floating box and the upper end of the supporting frame of the floating box The lower end is fixed on the bottom of the test pool; the lifting platform is fixed by the lifting platform connecting frame on the left and right sides of the test pool and the fixing rod on the shore of the lifting platform; one end of the thrust sensor is connected with the electric drive mechanism, and the other end is connected with the test pool connected to the side walls.
所述的浮箱,其底部设有开口的尾板,该开口处装有浮箱底板安装母板和浮箱尾板安装母板;所述母板均为四角倒圆的矩形板,尺寸固定,其内孔位置及开口大小与待测试的推进器相匹配。The floating box has an opening tail plate at the bottom, and the opening is equipped with a floating box bottom plate installation motherboard and a floating box tail plate mounting motherboard; the motherboard is a rectangular plate with rounded four corners, and the size is fixed. , the position of the inner hole and the size of the opening match the propeller to be tested.
所述待测试的推进器,包括待测试的离心式喷水推进器和待测试的轴流式喷水推进器;在进行离心式喷水推进器试验时,待测试的离心式喷水推进器安装在浮箱底板安装母板上,此时所述浮箱尾板安装母板不用开口;进行轴流式式喷水推进器试验时,待测试的轴流式喷水推进器进水流道安装在浮箱底板安装母板上,抽水泵泵体安装在浮箱尾板安装母板的围板上。The propeller to be tested includes the centrifugal water jet to be tested and the axial flow water jet to be tested; during the centrifugal water jet test, the centrifugal water jet to be tested It is installed on the mounting motherboard of the bottom plate of the floating tank, and the mounting motherboard of the tail plate of the floating tank does not need to have an opening; when the axial-flow water-jet propulsion test is carried out, the axial-flow water-jet thruster to be tested is installed in the water inlet channel. On the base plate of the floating tank, the pump body of the pump is installed on the coaming of the base plate of the floating tank.
所述的浮箱支撑架,有两个,其上端和浮箱的底面之间通过四个线性轴承连接。There are two supporting frames for the floating box, and the upper ends thereof are connected with the bottom surface of the floating box through four linear bearings.
所述的升降平台,其升降平台岸上固定杆的高度通过千斤顶进行调节,实现试验水池中水深变化,具体调节方法是:升降平台岸上固定杆的高度可通过四个千斤顶进行调节,升降平台岸上固定杆包括内杆与外杆;千斤顶将升降平台岸上固定杆的高度调整后,内杆与外杆之间用销子进行固定。For the lifting platform, the height of the fixed rod on the shore of the lifting platform is adjusted by jacks, so as to realize the change of water depth in the test pool. The rod includes an inner rod and an outer rod; after the jack adjusts the height of the fixed rod on the shore of the lifting platform, the inner rod and the outer rod are fixed with pins.
所述的内杆,其上端与升降平台连接架连接,其下端与外杆上端相连,外杆下端固定在地面上。The upper end of the inner rod is connected with the lifting platform connecting frame, and the lower end is connected with the upper end of the outer rod, and the lower end of the outer rod is fixed on the ground.
所述的推力传感器安装在浮箱外侧连接至浮箱的池壁上,用来实现推力测量。The thrust sensor is installed on the outside of the floating box and connected to the pool wall of the floating box, and is used to measure the thrust.
所述的推力传感器采用螺纹式推力传感器。The thrust sensor adopts a threaded thrust sensor.
所述的电驱动机构,包括传动轴、减速齿轮箱、扭矩仪和驱动电机,其中:驱动电机与减速齿轮箱连接,实现转速的变化;扭矩仪与驱动电机串联用来测量转矩;驱动电机的传动轴与待测试的离心式喷水推进器相连,实现推进器的运行。The electric drive mechanism includes a transmission shaft, a reduction gear box, a torque meter and a drive motor, wherein: the drive motor is connected with the reduction gear box to realize the change of the rotational speed; the torque meter and the drive motor are connected in series to measure the torque; the drive motor The drive shaft is connected with the centrifugal water jet to be tested to realize the operation of the propeller.
本发明提供的上述的可实现多种喷水推进器系泊状态下可变水深的试验装置,其用途是:采用此一套试验装置,能够实现不同试验水深以及多种喷水推进器的性能测试。The above-mentioned test device for realizing variable water depth in mooring state of various water jets provided by the present invention is used for: using this set of test devices, different test water depths and the performance of various water jets can be realized. test.
本发明与现有技术相比有以下的主要的优点:Compared with the prior art, the present invention has the following main advantages:
更加快捷方便的完成多种类型喷水推进器在不同水深下的性能试验。It is faster and more convenient to complete the performance test of various types of water jet propulsion under different water depths.
(1)可完成喷水推进器在不同水深下的试验:(1) The test of water jet propulsion under different water depths can be completed:
仅需要改变升降平台的位置,即可实现喷水推进器试验水深的变化,节约了建造不同水深的试验水池的时间和费用的损耗。It is only necessary to change the position of the lifting platform to realize the change of the water jet test water depth, which saves the time and cost of constructing test pools with different water depths.
(2)可完成不同种类的喷水推进器试验:(2) Different types of water jet propulsion tests can be completed:
无需改变浮箱的整体结构,只需要改变浮箱底板安装母板和浮箱尾板安装母板,即可实现不同种类的喷水推进器的性能测试,可以节省试验安装所产生的准备时间和试验费用。There is no need to change the overall structure of the pontoon, but only need to change the base plate of the pontoon and the tail of the pontoon, and then the performance test of different types of water jets can be realized, which can save the preparation time and cost of the test installation. test fee.
(3)使用线性轴承,可以避免喷水推进器与驱动电机以及浮箱之间力的耦合问题。(3) The use of linear bearings can avoid the problem of force coupling between the water jet propulsion and the drive motor and the floating box.
附图说明Description of drawings
图1为本发明试验装置总结构示意图。FIG. 1 is a schematic diagram of the overall structure of the test device of the present invention.
图2为本发明试验装置的剖面结构示意图。FIG. 2 is a schematic diagram of the cross-sectional structure of the test device of the present invention.
图3为装有离心式喷水推进器的浮箱内部的结构示意图。FIG. 3 is a schematic structural diagram of the interior of a floating tank equipped with a centrifugal water jet.
图4为装有轴流式喷水推进器的浮箱内部的结构示意图。FIG. 4 is a schematic structural diagram of the interior of a pontoon equipped with an axial-flow water jet.
图中:1.千斤顶;2.线性轴承;3.浮箱;4.浮箱支撑架;5.升降平台;6.推力传感器;7.升降平台连接架;8.升降平台岸上固定杆的内杆;9.升降平台岸上固定杆的外杆;10.待测试的离心式喷水推进器;11.传动轴;12.减速齿轮箱;13.扭矩仪;14.驱动电机;15.浮箱底板安装母板;16.浮箱尾板安装母板;17.待测试的轴流式喷水推进器。In the figure: 1. Jack; 2. Linear bearing; 3. Floating box; 4. Floating box support frame; 5. Lifting platform; 6. Thrust sensor; 7. Lifting platform connecting frame; Rod; 9. Outer rod of lifting platform shore fixed rod; 10. Centrifugal water jet to be tested; 11. Transmission shaft; 12. Reduction gearbox; 13. Torque meter; 14. Drive motor; 15. Floating box The bottom plate is installed with the motherboard; 16. The floating box tail plate is installed with the motherboard; 17. The axial flow water jet to be tested.
具体实施方式Detailed ways
下面结合实施例及附图对本发明作进一步说明,但不限定本发明。The present invention will be further described below with reference to the embodiments and the accompanying drawings, but the present invention is not limited.
本发明提供的可实现多种喷水推进器系泊状态下可变水深的试验装置,是一种可以在一套试验装置中完成不同试验水深以及多种喷水推进器的性能测试的试验装置,该装置的结构如图1和图2所示,包括浮箱3、升降平台5、推力传感器6和电驱动机构,其中:浮箱3的底面与浮箱支撑架4上端相连,浮箱支撑架4的下端固定在试验水池的池底上;升降平台5通过试验水池左右两侧的升降平台连接架7和升降平台岸上固定杆进行固定;推力传感器6的一端与电驱动机构相连,另一端与试验水池的侧壁相连。The test device provided by the invention can realize the variable water depth under the mooring state of various water jets, and is a test device that can complete different test water depths and performance tests of various water jets in one set of test devices , the structure of the device is shown in Figures 1 and 2, including a
所述浮箱3的底部,设有开口的尾板,该开口处安装浮箱底板安装母板15和浮箱尾板安装母板16。The bottom of the
所述的浮箱支撑架4,用于支撑浮箱3。该浮箱支撑架有两个,其上端和浮箱3的底面之间通过四个线性轴承2连接。使用线性轴承2的好处在于喷水推进器工作时产生的推力不会像常规轴承那样传递到浮箱支撑架上,而是克服线性轴承2小量的轴向摩擦阻力后传递到浮箱外侧的推力传感器6上,然后传递至池壁。通过这样的推力测量方式,可以有效的避免喷水推进器与原动机以及船体之间力的耦合问题,使测力过程更加直观和简单。The floating
所述升降平台5高度可通过千斤顶1进行调节,于此来实现试验水池中水深变化,具体是:升降平台岸上固定杆的高度可通过四个千斤顶1进行调节。千斤顶1将升降平台岸上固定杆的高度调整后,升降平台岸上固定杆的内杆8与外杆9之间用销子进行固定。The height of the
所述的浮箱底板安装母板15和浮箱尾板安装母板16,均为四角倒圆的矩形板,尺寸固定。两个母板的内孔位置及开口大小由待测试的喷水推进器确定;测试不同规格的喷水推进器时,安装母板需要专门制作,外缘形状尺寸不变,内部开口与待测试推进器相匹配。The mounting
所述升降平台岸上固定杆,由内杆8与外杆9,其中内杆8上端与升降平台连接架连接,内杆8下端与外杆9上端相连,外杆9下端固定在地面上。The fixed rod on the shore of the lifting platform is composed of an inner rod 8 and an
进行离心式喷水推进器试验时,待测试的离心式喷水推进器10安装在浮箱底板安装母板15上,此时所述浮箱尾板安装母板16不用开口。进行轴流式式喷水推进器试验时,待测试的轴流式喷水推进器17进水流道安装在浮箱底板安装母板15上,抽水泵泵体安装在浮箱尾板安装母板16的围板上。When the centrifugal water jet test is performed, the
所述推力传感器6安装在浮箱外侧连接至浮箱3的池壁上,用来实现压力测量。该推力传感器可以采用螺纹式推力传感器。The thrust sensor 6 is installed on the outside of the floating tank and is connected to the tank wall of the floating
所述的电驱动机构,包括传动轴11、减速齿轮箱12、扭矩仪13和驱动电机14,其中:驱动电机14与减速齿轮箱12连接,实现转速的变化;扭矩仪13与驱动电机14串联用来测量转矩;驱动电机14的传动轴11与待测试的离心式喷水推进器10相连,实现推进器的运行。The electric drive mechanism includes a
本发明提供的可实现多种喷水推进器系泊状态下可变水深的试验装置,其工作过程是:根据待测试的喷水推进器,制造配套的浮箱底板安装母板15和浮箱尾板安装母板16,进行离心式喷水推进器时不需要浮箱尾板安装母板16。将喷水推进器和安装母版安装在试验装置上,利用千斤顶1调节到试验水深。待水面平静后,驱动电机14驱动喷水推进器工作,通过叶轮旋转实现水流的抽吸。流动过程稳定后,观察扭矩仪13、推力传感器6的仪表进行数据记录。The test device provided by the present invention can realize the variable water depth under the mooring state of various water jets. The tail plate is installed with the
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CN102539155A (en) * | 2011-12-23 | 2012-07-04 | 浙江大学宁波理工学院 | Testing device for analyzing performances of tidal current energy generating system |
KR101334331B1 (en) * | 2012-01-10 | 2013-11-28 | 삼성중공업 주식회사 | Measuring apparatus for propeller |
JP2013181896A (en) * | 2012-03-02 | 2013-09-12 | Ihi Corp | Device for testing performance of ship propulsion mechanism |
CN202886085U (en) * | 2012-11-19 | 2013-04-17 | 交通运输部天津水运工程科学研究所 | Seaworthy water depth ship model resistance test measurement system |
CN203094366U (en) * | 2012-12-28 | 2013-07-31 | 中国石油天然气集团公司 | Device for experimenting and testing tail rudder resistance of water spraying combination propeller body |
CN104215426A (en) * | 2014-09-22 | 2014-12-17 | 中国船舶工业集团公司第七〇八研究所 | Measuring device and measuring method of internal flow field and external characteristic of water-jet propeller |
CN204788825U (en) * | 2015-06-25 | 2015-11-18 | 佛冈鑫统仕汽车散热器有限公司 | A lift pond for radiator core body examination is leaked |
CN106017907A (en) * | 2016-07-27 | 2016-10-12 | 武汉理工大学 | Wheel rim driven propeller thruster test device |
CN106006450A (en) * | 2016-08-12 | 2016-10-12 | 中船第九设计研究院工程有限公司 | Lifting platform for deep water test basin |
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Effective date of registration: 20250303 Address after: Room 101, Building 72, Intelligent Manufacturing Science Park, West Bank of the Taihu Lake Lake, No. 288, Hubin North Road, Zhoutie Town, Yixing City, Wuxi City, Jiangsu Province, 214200 Patentee after: Wuxi Zeliu Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 122 Patentee before: WUHAN University OF TECHNOLOGY Country or region before: China |