Thrust testing device for thruster
By designing a thrust test device with a fixture, tension detection device and power unit, the problems of high and expensive hardware requirements of traditional open water test are solved, real-time detection of thrust and low-cost accuracy testing of thrust are achieved.
Patent Information
- Application Number
- CN202422469437.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-12
AI Technical Summary
Traditional open water tests have high requirements for the hardware basics of thruster testing and complex devices, making the test cost expensive.
A thrust test device for thrust testing including a fixing frame, a tension detection device and a power unit is designed to detect the thrust in real time through the lever principle, and to use a simple hardware structure and a data processing unit for testing.
It reduces hardware requirements and testing costs, improves detection convenience and data accuracy, and realizes real-time monitoring of thruster thrust.
Smart Images
Figure CN223166312U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of propeller testing devices, in particular to a propeller thrust testing device. Background Art
[0002] The hydrodynamic performance of a propeller primarily focuses on the performance of its propeller. Testing a propeller model in water alone is called an open water test. Traditional open water testing is conducted in a ship model test tank, circulating water tank, or cavitation water cylinder, often with the aid of a propeller dynamometer. This testing method not only requires high-quality hardware but also requires complex equipment and is expensive. Utility Model Content
[0003] In view of this, the purpose of the present invention is to provide a thrust test device for a thruster, so as to solve the above-mentioned problems in that the traditional open water test for thrusters has high requirements for the basic hardware of the test, the required equipment is complex, and the test cost is expensive.
[0004] In order to solve the above technical problems, the technical solution used in this utility model is:
[0005] The thrust testing device of a propeller described in the utility model includes a power unit, a data processing unit, a fixing frame, a connecting frame, and a propeller;
[0006] The fixing frame is provided with a tension detection device and is connected to one end of the tension detection device. The connecting frame is hinged to the fixing frame, and one end of the connecting frame is connected to the other end of the tension detection device. The other end of the connecting frame is provided with the propeller. The fixing frame is also used to connect to an external fixture to suspend the propeller in the fluid.
[0007] The power unit is connected to the propeller, and the data processing unit is signal-connected to the tension detection device.
[0008] Preferably, a test water pool is further included, wherein the test water pool is used to contain water for immersing the propeller.
[0009] Further preferably, the test water pool is provided with a drainage device.
[0010] Preferably, two ends of the tension detection device are detachably connected to the fixing frame and the connecting frame respectively.
[0011] Preferably, the fixing frame is provided with a rotating shaft, and the fixing frame and the connecting frame are hingedly connected via the rotating shaft.
[0012] Preferably, the connecting frame includes a first vertical beam, and the propeller is detachably connected to the first vertical beam.
[0013] Preferably, the fixing frame is provided with a first crossbeam and a second vertical beam that are cross-connected. The first crossbeam protrudes from the second vertical beam and is rotatably connected to the connecting frame. The tensile force detection device is located between the second vertical beam and the connecting frame.
[0014] Preferably, a seat plate is provided at the bottom of the fixing frame, and the seat plate is used for detachably connecting to the external fixture.
[0015] Preferably, the power unit is a hydraulic drive power.
[0016] The beneficial effects of the propeller thrust test device according to the present invention compared with the prior art are mainly reflected in:
[0017] By providing the fixing frame in the present invention, the tensile force detection device and the connecting frame rotatably connected thereto are provided on the fixing frame. The two ends of the tensile force detection device are respectively connected to the fixing frame and the connecting frame, and the propeller is provided at the other end of the connecting frame. After the propeller is started by the power unit, the tensile force can be applied to the tensile force detection device through the lever principle, and the change of the tensile force can be monitored in real time by the data processing unit, so as to detect the thrust of the propeller.
[0018] This device is mainly composed of the fixing frame, the power unit and the tensile force detection device. It has a simple structure, low cost, low hardware requirements and is more convenient to use. Therefore, it can solve the problems that the traditional open water test for the propeller has high requirements for the test hardware foundation, and the required device is complex and the test cost is expensive. Moreover, the thrust of the propeller can be detected in real time through the lever principle, which can ensure the accuracy of the detection data. Description of the Drawings
[0019] The above and other objects, features and advantages of the present invention will become more clear by more specifically describing the preferred embodiments of the present invention shown in the drawings. The same reference numerals in all the drawings indicate the same parts, and the drawings are not deliberately drawn to scale in actual size, and the focus is on showing the gist of the present invention.
[0020] Figure 1 It is a schematic structural diagram of a propeller thrust test device provided by an embodiment of the present invention;
[0021] Description of the Drawings: Power unit 1, Data processing unit 2, Fixing frame 3, First crossbeam 301, Second vertical beam 302, Seat plate 303, Connecting frame 4, First vertical beam 401, Propeller 5, Tensile force detection device 6, Test pool 7, Rotating shaft 8. Detailed Embodiments
[0022] The technical solution of the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and be able to implement it. However, the embodiments given are not intended to limit the present utility model. In this embodiment, it should be understood that the orientation or positional relationships indicated by terms such as "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model.
[0023] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element and integrated with it, or there may be an intermediate element at the same time. The terms "installation", "one end", "the other end" and similar expressions used in the present utility model are only for the purpose of illustration.
[0024] This embodiment provides a thrust test device for a thruster 5, as Figure 1 shown, which includes a power unit 1, a data processing unit 2, a fixing frame 3, a connecting frame 4, and a thruster 5;
[0025] The fixing frame 3 is provided with a tensile force detection device 6 and is connected to one end of the tensile force detection device 6. The connecting frame 4 is hinged to the fixing frame 3, and one end of the connecting frame 4 is connected to the other end of the tensile force detection device 6. The other end of the connecting frame 4 is provided with a thruster 5. The fixing frame 3 is also used to be connected to an external fixture to suspend the thruster 5 in a fluid.
[0026] The power unit 1 is connected to the thruster 5. Specifically, the power unit 1 is a hydraulic drive power, and the data processing unit 2 is signal-connected to the tensile force detection device 6.
[0027] The present utility model sets a fixing frame 3, sets a tensile force detection device 6 and a connecting frame 4 rotatably connected thereto on the fixing frame 3, connects both ends of the tensile force detection device 6 to the fixing frame 3 and the connecting frame 4 respectively, and sets the thruster 5 at the other end of the connecting frame 4. By the data processing unit 2, the test data of the tensile force detection device 6 is monitored and processed in real time. Then, after the thruster 5 is started by the power unit 1, a tensile force can be applied to the tensile force detection device 6 through the lever principle, and the change of the tensile force can be monitored in real time by the data processing unit 2, so as to detect the thrust of the thruster 5;
[0028] This device is mainly composed of a fixing frame 3, a power unit 1, and a tensile force detection device 6. It has a simple structure, low cost, low requirements for hardware, and is more convenient to use. Therefore, it can solve the problems existing in testing the thruster 5 through traditional open water tests, such as high requirements for the test hardware foundation, complex required devices, and expensive test costs. Moreover, it can detect the thrust of the thruster 5 in real time through the lever principle, ensuring the accuracy of the detection data.
[0029] In a preferred embodiment, it further includes a test water tank 7. The test water tank 7 is used to hold water flow for the thruster 5 to immerse in. Setting up a simple test water tank 7 can further improve the convenience of the test. The size of the test water tank 7 can be appropriately enlarged according to the thrust size of the thruster 5, which is more convenient to view the flow field changes such as the water flow direction, for example, with a length x width x height of 5m * 5m * 4m. Further, the test water tank 7 is provided with a drainage device (not shown in the figure), which is convenient for the injection and discharge of water flow.
[0030] In another preferred embodiment, both ends of the tensile force detection device 6 are detachably connected to the fixing frame 3 and the connecting frame 4 respectively for easy replacement and disassembly. Among them, the tensile force detection device 6 can specifically be a tensile meter, etc.
[0031] In another preferred embodiment, the fixing frame 3 is provided with a rotating shaft 8, and the fixing frame 3 is hinged to the connecting frame 4 through the rotating shaft 8. Further, the connecting frame 4 includes a first vertical beam 401, and the thruster 5 is detachably connected to the first vertical beam 401. In this embodiment, different types of thrusters 5 can be replaced by replacing the first vertical beam 401, and then the thrust tests of multiple types of thrusters 5 can be carried out.
[0032] In another preferred embodiment, the fixing frame 3 is provided with a first cross beam 301 and a second vertical beam 302 that are cross-connected. After the first cross beam 301 protrudes from the second vertical beam 302, it is rotationally connected to the connecting frame 4. The tensile force detection device 6 is located between the second vertical beam 302 and the connecting frame 4, which can ensure the structural stability of the fixing frame 3 and further ensure the accuracy and safety of the tensile force test. It can be understood that the specific structural form of the fixing frame 3 is subject to being able to stably suspend the thruster 5 and withstand the thrust of the thruster 5, not limited to Figure 1 shown.
[0033] In another preferred embodiment, a seat plate 303 is provided at the bottom of the fixing frame 3. The seat plate 303 is used for detachable connection with an external fixed object, which can facilitate the movement of the fixing frame 3 so that it can be flexibly shifted and used according to the test site. Among them, the external fixed object is the ground or a test bench, etc.
[0034] In this specification, unless otherwise clearly specified or limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirectly in contact via an intermediate medium. Also, a first feature being "above", "over" and "on top of" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher level height than the second feature. A first feature being "under", "below" and "beneath" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level height than the second feature.
[0035] In the description of this specification, the description with reference to terms such as "preferred embodiment", "another embodiment", "other embodiments" or "specific examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0036] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present application.
Claims
1. A thruster thrust test device, characterized in that: It includes a power unit, a data processing unit, a fixing frame, a connecting frame, and a thruster; The fixing frame is provided with a tensile force detection device and is connected to one end of the tensile force detection device. The connecting frame is hinged to the fixing frame, and one end of the connecting frame is connected to the other end of the tensile force detection device. The other end of the connecting frame is provided with the thruster. The fixing frame is also used to be connected to an external fixture to suspend the thruster in a fluid; The power unit is connected to the thruster, and the data processing unit is signal-connected to the tensile force detection device.
2. The thrust testing device for a thruster according to claim 1, characterized in that: It further includes a test water tank, which is used to hold water flow for the thruster to immerse in.
3. The thrust testing device for a thruster according to claim 2, wherein: The test water tank is provided with a drainage device.
4. The thrust testing device for a thruster according to claim 1, characterized in that: Both ends of the tensile force detection device are detachably connected to the fixing frame and the connecting frame respectively.
5. The thrust testing device for a thruster according to claim 1, wherein: The fixing frame is provided with a rotating shaft, and the fixing frame and the connecting frame are hinged through the rotating shaft.
6. The thrust testing device for a thruster according to claim 1 or 5, characterized in that: The connecting frame includes a first vertical beam, and the thruster is detachably connected to the first vertical beam.
7. The thrust testing device for a thruster according to claim 1, characterized in that: The fixing frame is provided with a first cross beam and a second vertical beam that are cross-connected. The first cross beam protrudes from the second vertical beam and then is rotatably connected to the connecting frame. The tensile force detection device is located between the second vertical beam and the connecting frame.
8. The thrust testing device for a thruster according to claim 1, wherein: A seat plate is arranged at the bottom of the fixing frame, and the seat plate is used to be detachably connected to the external fixture.
9. The thrust testing device for a thruster according to claim 1, characterized in that: The power unit is a hydraulic drive power.