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 PDF

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CN106872156B
CN106872156B CN201710092815.0A CN201710092815A CN106872156B CN 106872156 B CN106872156 B CN 106872156B CN 201710092815 A CN201710092815 A CN 201710092815A CN 106872156 B CN106872156 B CN 106872156B
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lifting platform
test
water
water jet
floating box
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CN106872156A (en
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丁江明
朱一凡
江佳炳
李伟民
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Wuxi Zeliu Intelligent Equipment Co ltd
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Wuhan University of Technology WUT
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

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Abstract

The invention relates to a test device capable of realizing variable water depth under the mooring state of various water-jet thrusters, which comprises a buoyancy tank (3), a lifting platform (5), a thrust sensor (6) and an electric drive mechanism, wherein the buoyancy tank is connected with the lifting platform; the bottom surface of the buoyancy tank (3) is connected with the upper end of the buoyancy tank support frame (4), and the lower end of the buoyancy tank is fixed on the bottom of the test water tank; the lifting platform (5) is fixed by a lifting platform connecting frame (7) at the left side and the right side of the test pool and a fixed rod on the bank of the lifting platform; one end of the thrust sensor (6) is connected with the electric driving mechanism, and the other end of the thrust sensor is connected with the side wall of the test pool. The invention realizes that one set of test device completes the performance tests of different types of water jet propellers and under the working condition of variable water depth, and can obviously reduce the time and cost required by the tests.

Description

一种可实现多种喷水推进器系泊状态下可变水深的试验装置A test device capable of realizing variable water depth in mooring states of various water jets

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 floating box 3, a lifting platform 5, a thrust sensor 6 and an electric drive mechanism, wherein: the bottom surface of the floating box 3 is connected to the upper end of the floating box support frame 4, and the floating box supports The lower end of the frame 4 is fixed on the bottom of the test pool; the lifting platform 5 is fixed by the lifting platform connecting frame 7 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 6 is connected with the electric drive mechanism, and the other end is connected with the electric drive mechanism. Connected to the side wall of the test pool.

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 pontoon 3 is provided with an opening tail plate, and the pontoon bottom plate mounting motherboard 15 and the pontoon tail plate mounting motherboard 16 are installed at the opening.

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 box support frame 4 is used to support the floating box 3 . There are two floating box supporting frames, and the upper end thereof and the bottom surface of the floating box 3 are connected by four linear bearings 2 . The advantage of using the linear bearing 2 is that the thrust generated by the water jet propulsion will not be transmitted to the support frame of the floating box like a conventional bearing, but will be transmitted to the outer side of the floating box after overcoming a small amount of axial frictional resistance of the linear bearing 2. Thrust sensor 6, and then transmitted to the pool wall. Through such a thrust measurement method, the problem of force coupling between the water jet propulsion, the prime mover and the hull can be effectively avoided, making the force measurement process more intuitive and simple.

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 lifting platform 5 can be adjusted by the jacks 1, so that the water depth in the test pool can be changed. After the jack 1 adjusts the height of the fixed rod on the shore of the lifting platform, the inner rod 8 and the outer rod 9 of the fixed rod on the shore of the lifting platform are fixed with pins.

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 motherboard 15 for the bottom plate of the floating box and the mounting motherboard 16 for the tail plate of the floating box are rectangular plates with rounded four corners, and the dimensions are fixed. The inner hole position and opening size of the two motherboards are determined by the water jet to be tested; when testing water jets of different specifications, the mounting motherboard needs to be specially made, the shape and size of the outer edge remain unchanged, and the internal opening is the same as the one to be tested. thrusters to match.

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 outer rod 9, wherein the upper end of the inner rod 8 is connected with the lifting platform connecting frame, the lower end of the inner rod 8 is connected with the upper end of the outer rod 9, and the lower end of the outer rod 9 is fixed on the ground.

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 centrifugal water jet 10 to be tested is installed on the mounting motherboard 15 of the bottom plate of the pontoon. During the test of the axial-flow water jet, the water inlet channel of the axial-flow water jet 17 to be tested is installed on the installation motherboard 15 of the bottom plate of the floating tank, and the pump body of the suction pump is installed on the installation motherboard of the tail plate of the floating tank. 16 on the hoarding.

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 tank 3 for pressure measurement. The thrust sensor can be a threaded thrust sensor.

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 transmission shaft 11 , a reduction gear box 12 , a torque meter 13 and a drive motor 14 , wherein: the drive motor 14 is connected with the reduction gear box 12 to realize the change of rotational speed; the torque meter 13 is connected in series with the drive motor 14 It is used to measure the torque; the transmission shaft 11 of the driving motor 14 is connected with the centrifugal water jet propeller 10 to be tested to realize the operation of the propeller.

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 motherboard 16, and the tail plate of the floating box is not required to be installed with the motherboard 16 when the centrifugal water jet is used. Install the water jet and the installation master on the test device, and use the jack 1 to adjust to the test water depth. After the water surface is calm, the driving motor 14 drives the water jet to work, and the water flow is suctioned through the rotation of the impeller. After the flow process is stable, observe the meters of the torque meter 13 and the thrust sensor 6 for data recording.

Claims (4)

1.一种可实现多种喷水推进器系泊状态下可变水深的试验装置,其特征是采用此一套装置,完成不同试验水深以及多种喷水推进器的性能测试,该装置包括浮箱(3)、升降平台(5)、推力传感器(6)和电驱动机构;所述浮箱(3),其底面与浮箱支撑架(4)上端相连,其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;1. a test device that can realize variable water depth under the mooring state of multiple water jets, is characterized in that using this set of devices to complete the performance test of different test water depths and multiple water jets, the device includes The floating box (3), the lifting platform (5), the thrust sensor (6) and the electric drive mechanism; the bottom surface of the floating box (3) is connected with the upper end of the floating box support frame (4), and the lower end of the floating box (3) is fixed on the bottom of the test pool. On the bottom of the pool; the lifting platform (5) is fixed by the lifting platform connecting frame (7) 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 (6) 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(3),其底部设有开口的尾板,该开口处装有浮箱底板安装母板(15)和浮箱尾板安装母板(16);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 (3) is provided with an opening tail plate at the bottom, and the opening is provided with a floating box bottom plate installation mother board (15) and a floating box tail plate installation mother board (16); The rectangular plate with rounded four corners has a fixed size, and its inner hole position and opening size 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(10)和待测试的轴流式喷水推进器(17);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(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;The propeller to be tested includes a centrifugal water jet propeller (10) to be tested and an axial flow water jet propeller (17) to be tested; when the centrifugal water jet propeller is tested, the The centrifugal water jet propulsion (10) is installed on the mounting mother board (15) of the bottom plate of the pontoon, and at this time the mounting mother board (16) of the tail plate of the pontoon does not need to be opened; during the test of the axial flow water jet , the water inlet channel of the axial-flow water jet propulsion (17) to be tested is installed on the mounting motherboard (15) of the bottom plate of the floating tank, and the pump body of the suction pump is mounted on the coaming plate of the mounting motherboard (16) on the bottom plate of the floating tank ; 所述的浮箱支撑架(4),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;There are two floating box supporting frames (4), the upper ends of which are connected with the bottom surface of the floating box (3) through four linear bearings (2); 所述的升降平台(5),其升降平台岸上固定杆的高度通过千斤顶(1)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(1)进行调节,升降平台岸上固定杆包括内杆(8)与外杆(9);千斤顶(1)将升降平台岸上固定杆的高度调整后,内杆(8)与外杆(9)之间用销子进行固定;In the lifting platform (5), the height of the fixed rod on the shore of the lifting platform can be adjusted by the jack (1) to realize the change of the water depth in the test pool. The specific adjustment method is as follows: the height of the fixed rod on the lifting platform can be adjusted by four jacks ( 1) For adjustment, the lifting platform shore fixing rod includes an inner rod (8) and an outer rod (9); after the jack (1) adjusts the height of the lifting platform shore fixing rod, the inner rod (8) and the outer rod (9) fixed with pins; 所述的内杆(8),其上端与升降平台连接架连接,其下端与外杆(9)上端相连,外杆(9)下端固定在地面上;The upper end of the inner rod (8) is connected with the lifting platform connecting frame, the lower end is connected with the upper end of the outer rod (9), and the lower end of the outer rod (9) is fixed on the ground; 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。Install the water jet and the installation master on the test device, and use the jack (1) to adjust to the test water depth; after the water surface is calm, the drive motor (14) drives the water jet to work, and the water flow is pumped through the rotation of the impeller ; After the flow process is stable, observe the meters of the torque meter (13) and the thrust sensor (6) for data recording. 2.根据权利要求1所述的试验装置,其特征在于所述的推力传感器(6)安装在浮箱外侧连接至浮箱(3)的池壁上,用来实现推力测量。2 . The test device according to claim 1 , wherein the thrust sensor ( 6 ) is installed on the outside of the floating box and connected to the pool wall of the floating box ( 3 ) to realize thrust measurement. 3 . 3.根据权利要求2所述的试验装置,其特征在于所述的推力传感器(6)采用螺纹式推力传感器。3 . The test device according to claim 2 , wherein the thrust sensor ( 6 ) adopts a threaded thrust sensor. 4 . 4.根据权利要求1所述的试验装置,其特征在于所述的电驱动机构,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。4. The test device according to claim 1, characterized in that the electric drive mechanism comprises a transmission shaft (11), a reduction gear box (12), a torque meter (13) and a drive motor (14), wherein: The drive motor (14) is connected with the reduction gear box (12) to realize the change of the rotational speed; the torque meter (13) is connected in series with the drive motor (14) to measure the torque; the transmission shaft (11) of the drive motor (14) is connected to the The tested centrifugal water jet thrusters (10) are connected to realize the operation of the thrusters.
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