CN114312180B - Cavitation-controllable intelligent steering rudder plate device for amphibious vehicle - Google Patents
Cavitation-controllable intelligent steering rudder plate device for amphibious vehicle Download PDFInfo
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- CN114312180B CN114312180B CN202111128668.0A CN202111128668A CN114312180B CN 114312180 B CN114312180 B CN 114312180B CN 202111128668 A CN202111128668 A CN 202111128668A CN 114312180 B CN114312180 B CN 114312180B
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Abstract
The invention discloses an intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation, which belongs to the technical field of amphibious platforms, and can realize intelligent monitoring of cavitation and moment of steering control surfaces and improve cavitation effective control precision. The device comprises: hydrofoil A, hydrofoil B, piezoelectric sensor, sealing rubber pad, connecting axle, six-axis force sensor, rotating axle, high-pressure jet controller, transmission structure, jet connector, etc. The pressure change of the control surface can be monitored in real time by adopting the piezoelectric sensor, whether cavitation occurs or not is judged based on the pressure data, and the pressure of a low-pressure area is increased by adopting the porous high-pressure jet flow so as to realize cavitation inhibition; the six-axis force sensor can be used for measuring the dynamic characteristic data change condition of the steering rudder in real time and effectively giving feedback control in time, so that the intellectualization of the steering rudder is greatly improved.
Description
Technical Field
The invention relates to an intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation, and belongs to the technical field of amphibious platforms.
Background
The amphibious platform has both land-based maneuverability and water-based sailing capability, and simultaneously has the special platform capable of automatically implementing water-in-land and water-out-of-water landing, and is a platform capable of passing through water barriers by means of self-floating capability without long-time technical preparation, and the common platform is an amphibious armored vehicle and the like. Because of the characteristics of the amphibious platform, the amphibious platform is widely concerned and greatly developed by the world major military equipment production country. Amphibious weapon equipment can play an important role in various fields, such as water conservancy and hydropower departments, flood control and disaster relief departments, petroleum geology departments of field survey or water operation, environmental protection departments, offshore and freshwater aquaculture departments, water and travel industries and the like. At present, high speed, maneuverability and intelligence gradually become important development trend of amphibious equipment.
For amphibious vehicles, steering has been the central key device in relation to the flexible mobility of the vehicle. The invention patent CN110053752A discloses a control surface cavitation effect suppression device, which structurally comprises an air pump and an air pipe, wherein the air pump is arranged in a ship body, the air pipe is positioned at a gap between a rudder horn and a rudder blade, the upper end of the air pipe is fixed on a stern board and is communicated with the air pump, the lower end of the air pipe is closed, and an air hole for blowing air to the rudder blade is formed in the air pipe. Although the cavitation of the steering rudder can be restrained to a certain extent, the cavitation and moment conditions of the steering rudder surface are not monitored, and closed-loop control cannot be realized. In addition, although the groove ventilation can inhibit cavitation, the effect is poor and the groove can lead to a certain weakening of moment generation.
Disclosure of Invention
In view of the above, the invention provides an intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation, which can realize intelligent monitoring of cavitation and moment of a steering control surface and improve the effective control precision of cavitation.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the intelligent steering rudder plate device comprises a hydrofoil A, a hydrofoil B, a middle fixing screw, a head fixing screw, a piezoelectric sensor, a sealing rubber pad, a connecting shaft fixing screw, a connecting shaft, a six-axis force sensor, a rotating shaft fixing screw, a vehicle body, a high-pressure jet controller, a transmission structure and a jet connector.
The hydrofoil A and the hydrofoil B are fixedly connected through a middle fixing screw and a head fixing screw to form the steering rudder plate.
Piezoelectric sensors are arranged on the hydrofoils A and B.
The upper part of the hydrofoil A is provided with a connecting shaft through a connecting shaft fixing screw, and a sealing rubber cushion is arranged between the connecting shaft and the hydrofoil A.
The inside transmission structure that is equipped with of automobile body, transmission structure below are connected with the pivot, and one side that the pivot was kept away from the automobile body passes through pivot set screw and installs six force transducer, and six force transducer's opposite side and connecting axle screw connection.
The connecting shaft is provided with a jet connector, a high-pressure jet controller is arranged in the vehicle body, and the high-pressure jet controller is connected with the jet connector through a water pipe.
The hydraulic power generation device comprises a hydraulic power generation device, a hydraulic power generation device and a hydraulic power generation device, wherein a hydraulic power generation flange connected with a connecting shaft is arranged on a hydraulic power generation device, a hydraulic power generation flange connected with the connecting shaft is arranged on the hydraulic power generation device, a hydraulic power generation input main runner is arranged on the hydraulic power generation device, a hydraulic power generation buffer groove is arranged on one side, close to the front edge, of the hydraulic power generation main runner, a hydraulic power generation sub-runner is arranged between the hydraulic power generation buffer groove and the hydraulic power generation main runner, the front side of the hydraulic power generation buffer groove is connected with a hydraulic power generation jet flow groove through a runner, hydraulic power generation jet flow holes are uniformly arranged in the hydraulic power generation jet flow groove, steps matched with the hydraulic power generation device B are arranged on the hydraulic power generation sub-runner, a hydraulic power generation device is provided with a hydraulic power generation middle threaded hole connected with a middle fixing screw, a hydraulic power generation device is provided with a hydraulic power generation head threaded hole connected with a head fixing screw, and a hydraulic power generation piezoelectric sensor is arranged on the head.
The hydrofoil B is provided with a hydrofoil B flange connected with a connecting shaft, a hydrofoil B input main runner is arranged on the hydrofoil B, one side, close to the front edge, of the hydrofoil B input main runner is provided with a hydrofoil B buffer groove, a hydrofoil B sub-runner is arranged between the hydrofoil B buffer groove and the hydrofoil B input main runner, the hydrofoil B buffer front side is connected with a hydrofoil B jet flow groove through the runner, hydrofoil B jet holes are uniformly formed in the hydrofoil B jet flow groove, steps matched with the hydrofoil A are formed in the hydrofoil B, a hydrofoil B middle through hole in threaded connection with a middle fixing screw is formed in the hydrofoil B, a hydrofoil B head through hole in threaded connection with a head fixing screw is formed in the hydrofoil B, and a hydrofoil B piezoelectric sensor mounting hole mounted with a piezoelectric sensor is formed in the head of the hydrofoil B.
Further, a hydrofoil A input main runner, a hydrofoil A buffer groove, a hydrofoil A jet water groove, a hydrofoil A jet hole and a hydrofoil B input main runner and a hydrofoil B buffer groove on a hydrofoil A are symmetrically arranged, and the hydrofoil B jet water grooves and hydrofoil B jet holes are the same in size; the surface-coating sealant is arranged when the hydrofoil A and the hydrofoil B are combined.
Further, the diameter of the jet hole A of the hydrofoil is in the range of 0.5cm-1.5cm; the number of the sub-channels of the hydrofoil A is 4, and the sub-channels are equidistantly arranged.
Further, a blind hole is formed in the connecting shaft and is used as a conveying pipeline of high-pressure jet flow; the inside of the vehicle body is provided with a water suction pump which is connected with the high-pressure jet controller through a water pipe; the inside of the car body is provided with a bearing and a sealing device which are matched with the rotating shaft.
Further, the working method of the device comprises the following steps: firstly, high-pressure fluid is sucked from a water storage tank or an outer flow domain through a water suction pump in the vehicle body, and is communicated with a high-pressure jet controller through a water pipe, and then high-pressure jet is controlled to be communicated with a jet connector through the water pipe; when the data collected by the piezoelectric sensors of the hydrofoil A and the hydrofoil B are lower than a preset value, the steering rudder is considered to generate cavitation, a signal instruction is sent to a high-pressure jet controller through a system to control the flow field of high-pressure jet, then the high-pressure jet sequentially passes through a jet connector, a connecting shaft, a hydrofoil A input main runner, a hydrofoil A sub-runner, a hydrofoil A buffer groove and a hydrofoil A jet water groove, and finally is sprayed out through a hydrofoil A jet hole and a hydrofoil B jet hole, so that the pressure of a low-pressure area is increased, and cavitation is inhibited; meanwhile, the power characteristic data of the steering rudder is monitored in real time through the six-axis force sensor, so that the intelligent control of the steering rudder is realized.
The beneficial effects are that:
1. according to the intelligent steering rudder plate device of the amphibious vehicle with controllable cavitation, disclosed by the invention, the pressure change of the control surface can be monitored in real time by adopting the piezoelectric sensor, and whether cavitation occurs can be judged based on pressure data, so that the intelligent control on the cavitation of the control surface can be realized; in addition, the six-axis force sensor can be used for measuring the dynamic characteristic data change condition of the steering rudder in real time and effectively giving feedback control in time, so that the intellectualization of the steering rudder is greatly improved.
2. According to the intelligent steering rudder plate device of the amphibious vehicle with controllable cavitation, disclosed by the invention, ventilation is replaced by high-pressure jet flow, so that the pressure of a low-pressure area is effectively increased by the high-pressure jet flow, and the cavitation inhibition effect is greatly improved; the porous jet flow mode is adopted to replace the groove exhaust mode, so that the influence of the groove on the power of the steering rudder is effectively reduced, and the dynamic stability of the steering rudder is improved.
3. According to the intelligent steering rudder plate device of the amphibious vehicle with controllable cavitation, disclosed by the invention, the buffer groove, the main runner and the diversion runner are arranged, so that the influence of uneven high-pressure jet flow can be effectively avoided, the jet flow is ensured to be uniform, and further the stable cavitation inhibition is realized.
4. According to the intelligent steering rudder plate device of the amphibious vehicle with controllable cavitation, disclosed by the invention, the steering rudder is split into two parts, so that the disassembly and the assembly are convenient, and the processing difficulty is reduced.
5. The intelligent steering rudder plate device of the amphibious vehicle, disclosed by the invention, can also be used for the experimental study of a water tank foundation, and the structural design of the hydrodynamic field of the amphibious vehicle is guided by using the dynamic information parameters obtained by real-time monitoring, so that the technical problem of relevant engineering in the hydrodynamic field is solved.
Drawings
FIG. 1 is a three-dimensional view of an intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation;
FIG. 2 is a three-dimensional view of an intelligent steering rudder plate device hydrofoil A of the amphibious vehicle with controllable cavitation;
FIG. 3 is a front view of an intelligent steering rudder plate device hydrofoil A of the amphibious vehicle with controllable cavitation;
FIG. 4 is a top view of an intelligent steering rudder plate device hydrofoil A of the amphibious vehicle with controllable cavitation;
FIG. 5 is a three-dimensional view of an intelligent steering rudder plate device hydrofoil B of the amphibious vehicle with controllable cavitation;
FIG. 6 is a front view of an intelligent steering rudder plate device hydrofoil B of the amphibious vehicle with controllable cavitation;
FIG. 7 is a side view of an intelligent steering rudder plate device hydrofoil B of an amphibious vehicle with controllable cavitation;
FIG. 8 is a schematic diagram showing the assembly of an intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation on the amphibious vehicle;
the hydraulic system comprises a 1-hydrofoil A, a 2-hydrofoil B, a 3-middle fixing screw, a 4-head fixing screw, a 5-piezoelectric sensor, a 6-sealing rubber pad, a 7-connecting shaft fixing screw, an 8-connecting shaft, a 9-six-shaft force sensor, a 10-rotating shaft, a 11-rotating shaft fixing screw, a 12-car body, a 13-high pressure jet controller, a 14-transmission structure, a 15-jet connector, a 1-1-hydrofoil A flange, a 1-2-hydrofoil A input main runner, a 1-3-hydrofoil A sub runner, a 1-4-hydrofoil A buffer groove, a 1-5-hydrofoil A jet runner, a 1-6-hydrofoil A jet hole, a 1-7-hydrofoil A piezoelectric sensor mounting hole, a 1-8-hydrofoil A head threaded hole, a 1-9-hydrofoil A middle threaded hole, a 2-1-hydrofoil B flange, a 2-2-hydrofoil B input main runner, a 2-3-hydrofoil B sub runner, a 2-4-hydrofoil B buffer groove, a 2-5-hydrofoil B jet runner, a 2-6-hydrofoil B jet hole, a 2-7-hydrofoil B through hole and a through hole.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
As shown in fig. 1, the invention discloses an intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation, which comprises the following components: hydrofoil A1, hydrofoil B2, middle fixing screw 3, head fixing screw 4, piezoelectric sensor 5, sealing rubber pad 6, connecting shaft fixing screw 7, connecting shaft 8, six-axis force sensor 9, rotating shaft 10, rotating shaft fixing screw 11, car body 12, high-pressure jet controller 13, transmission structure 14 and jet connector 15. The hydrofoil A1 and the hydrofoil B2 are fixedly connected through a middle fixing screw 3 and a head fixing screw 4 to form a steering rudder plate. Piezoelectric sensors 5 are installed on the hydrofoils A1 and B2. The upper part of the hydrofoil A1 is provided with a connecting shaft 8 through a connecting shaft fixing screw 11, and a sealing rubber cushion 6 is arranged between the connecting shaft 8 and the hydrofoil A1. The inside transmission structure 14 that is equipped with of automobile body 12, transmission structure 14 below are connected with pivot 10, and six force transducer 9 are installed through pivot set screw 11 to one side that pivot 10 kept away from automobile body 12, and six force transducer 9's opposite side and connecting axle 8 screw connection. The connecting shaft 8 is provided with a jet connector 15, a high-pressure jet controller 13 is arranged in the vehicle body 12, and the high-pressure jet controller 13 is connected with the jet connector 15 through a water pipe. The connecting shaft 8 is internally provided with a blind hole as a conveying pipeline of high-pressure jet flow. A water suction pump is arranged in the vehicle body 12 and is connected with a high-pressure jet controller 13 through a water pipe; the vehicle body 12 is provided with a bearing and a sealing device which are matched with the rotating shaft 10.
As shown in fig. 2, 3, 4, 5, 6 and 7, a hydrofoil a flange 1-1 connected with a connecting shaft 8 is arranged on a hydrofoil A1, a hydrofoil a input main runner 1-2 is arranged on the hydrofoil A1, a hydrofoil a buffer groove 1-4 is arranged on one side, close to the front edge, of the hydrofoil a input main runner 1-2, a hydrofoil a sub-runner 1-3 is arranged between the hydrofoil a buffer groove 1-4 and the hydrofoil a input main runner 1-2, the front side of the hydrofoil a buffer groove 1-4 is connected with a hydrofoil a jet water tank 1-5 through a runner, a hydrofoil a jet water tank 1-6 is uniformly arranged in the hydrofoil a jet water tank 1-5, a step which is matched and installed with a hydrofoil B2 is arranged on the hydrofoil A1, a middle threaded hole 1-9 of the hydrofoil a is in threaded connection with a middle fixing screw 3, a head threaded hole 1-8 of the hydrofoil a is in threaded connection with a head fixing screw 4, and a head of the hydrofoil A1 is provided with a piezoelectric sensor 1-7 installed with a piezoelectric sensor installed with a head fixing screw 5. The hydrofoil B2 is provided with a hydrofoil B flange 2-1 connected with a connecting shaft 8, the hydrofoil B2 is provided with a hydrofoil B input main runner 2-2, one side of the hydrofoil B input main runner 2-2, which is close to the front edge, is provided with a hydrofoil B buffer groove 2-4, a hydrofoil B sub-runner 2-3 is arranged between the hydrofoil B buffer groove 2-4 and the hydrofoil B input main runner 2-2, the front side of the hydrofoil B buffer groove 2-4 is connected with a hydrofoil B jet water tank 2-5 through a runner, a hydrofoil B jet water tank 2-5 is uniformly provided with a hydrofoil B jet hole 2-6, the hydrofoil B2 is provided with a step which is matched with the hydrofoil A1, the hydrofoil B2 is provided with a hydrofoil B middle through hole 2-9 which is in threaded connection with a middle fixing screw 3, the hydrofoil B2 is provided with a hydrofoil B head through hole 2-8 which is in threaded connection with a head fixing screw 4, and the head of the hydrofoil B2 is provided with a hydrofoil B piezoelectric sensor mounting hole 2-7 which is mounted with a piezoelectric sensor 5. The hydrofoil A on the hydrofoil A1 is input into the main runner 1-2 and the hydrofoil A buffer groove 1-4, the hydrofoil A jet flow groove 1-5 and the hydrofoil A jet flow hole 1-6 are symmetrically arranged with the hydrofoil B on the hydrofoil B2 into the main runner 2-2 and the hydrofoil B buffer groove 2-4, and the hydrofoil B jet flow groove 2-5 and the hydrofoil B jet flow hole 2-6 are the same in size; the hydrofoil A1 and the hydrofoil B2 are combined, and the surface coating sealant is arranged. The diameter of the jet hole 1-6 of the hydrofoil A is 0.5cm-1.5cm; the number of the sub-channels 1-3 of the hydrofoil A is 4 and the sub-channels are equidistantly arranged;
as shown in fig. 1 and 8, the amphibious vehicle tail sliding plate device with adjustable angle and controllable cavitation disclosed by the invention can be symmetrically arranged on two sides of an amphibious vehicle. The working method of the invention comprises the following steps: high-pressure fluid is firstly sucked from a water storage tank or an external flow domain through a water suction pump in the vehicle body 12, is communicated with the high-pressure jet controller 13 through a water pipe, and then is controlled to be communicated with the jet connector 15 through the water pipe. When the data collected by the piezoelectric sensors 5 of the hydrofoils A1 and B2 are lower than a preset value, the steering rudder is considered to generate cavitation, a signal instruction is sent to the high-pressure jet controller 13 through the system to control the flow field of the high-pressure jet, and then the high-pressure jet sequentially passes through the jet connector 15, the connecting shaft 8, the hydrofoils A input main runner 1-2, the hydrofoils A sub runner 1-3, the hydrofoils A buffer groove 1-4 and the hydrofoils A jet water groove 1-5, and finally is sprayed out through the hydrofoils A jet hole 1-6 and the hydrofoils B jet hole 2-6, so that the pressure of a low-pressure area is increased, and cavitation is inhibited. Meanwhile, the power characteristic data of the steering rudder is monitored in real time through the six-axis force sensor 9, and the angle swing and cavitation control are carried out according to the requirements of more real-time working conditions, so that the intelligent control of the steering rudder is realized.
According to the steering rudder dynamic characteristic information obtained by the device, the engineering structure and the control method can be guided to be further optimized, and the steering rudder dynamic characteristic information has wide application prospect and benefit.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation, which is characterized by comprising: the hydraulic device comprises a hydrofoil A (1), a hydrofoil B (2), a middle fixing screw (3), a head fixing screw (4), a piezoelectric sensor (5), a sealing rubber pad (6), a connecting shaft fixing screw (7), a connecting shaft (8), a six-axis force sensor (9), a rotating shaft (10), a rotating shaft fixing screw (11), a vehicle body (12), a high-pressure jet controller (13), a transmission structure (14) and a jet connector (15);
the hydrofoil A (1) is fixedly connected with the hydrofoil B (2) through the middle fixing screw (3) and the head fixing screw (4) to form a steering rudder plate;
the hydrofoil A (1) and the hydrofoil B (2) are provided with piezoelectric sensors (5);
the upper part of the hydrofoil A (1) is provided with the connecting shaft (8) through the connecting shaft fixing screw (7), and a sealing rubber pad (6) is arranged between the connecting shaft (8) and the hydrofoil A (1);
the six-axis force sensor is characterized in that the transmission structure (14) is arranged in the vehicle body (12), the rotating shaft (10) is connected below the transmission structure (14), one side, far away from the vehicle body (12), of the rotating shaft (10) is provided with the six-axis force sensor (9) through a rotating shaft fixing screw (11), and the other side of the six-axis force sensor (9) is connected with the connecting shaft (8);
a jet connector (15) is arranged on the connecting shaft (8), a high-pressure jet controller (13) is arranged in the vehicle body (12), and the high-pressure jet controller (13) is connected with the jet connector through a water pipe;
the hydrofoil A (1) is provided with a hydrofoil A flange (1-1) connected with the connecting shaft, the hydrofoil A (1) is provided with a hydrofoil A input main runner (1-2), one side of the hydrofoil A input main runner (1-2) close to the front edge is provided with a hydrofoil A buffer groove (1-4), a hydrofoil A sub-runner (1-3) is arranged between the hydrofoil A buffer groove (1-4) and the hydrofoil A input main runner (1-2), the front side of the hydrofoil A buffer groove (1-4) is connected with a hydrofoil A jet flow groove (1-5) through a runner, the hydrofoil A jet flow water tank (1-5) is internally and uniformly provided with hydrofoil A jet holes (1-6), the hydrofoil A (1) is provided with steps matched with the hydrofoil B (2), the hydrofoil A (1) is provided with a hydrofoil A middle threaded hole (1-9) in threaded connection with the middle fixing screw, the hydrofoil A (1) is provided with a hydrofoil A head threaded hole (1-8) in threaded connection with the head fixing screw (4), and the head of the hydrofoil A (1) is provided with a hydrofoil A piezoelectric sensor mounting hole (1-7) in threaded connection with the piezoelectric sensor;
the hydrofoil B (2) is provided with a hydrofoil B flange (2-1) connected with the connecting shaft, the hydrofoil B (2) is provided with a hydrofoil B input main runner (2-2), one side of the hydrofoil B input main runner (2-2) close to the front edge is provided with a hydrofoil B buffer groove (2-4), a hydrofoil B sub-runner (2-3) is arranged between the hydrofoil B buffer groove (2-4) and the hydrofoil B input main runner (2-2), the front side of the hydrofoil B buffer groove (2-4) is connected with a hydrofoil B jet flow groove (2-5) through a runner, the novel hydraulic electric sensor is characterized in that a hydraulic wing B jet flow hole (2-6) is uniformly formed in the hydraulic wing B jet flow groove (2-5), a step matched with the hydraulic wing A (1) is formed in the hydraulic wing B (2), a hydraulic wing B middle through hole (2-9) in threaded connection with a middle fixing screw is formed in the hydraulic wing B (2), a hydraulic wing B head through hole (2-8) in threaded connection with a head fixing screw is formed in the hydraulic wing B (2), and a hydraulic wing B piezoelectric sensor mounting hole (2-7) in threaded connection with the piezoelectric sensor is formed in the head of the hydraulic wing B (2).
2. An intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation as claimed in claim 1, wherein, the hydrofoil A input main runner (1-2), the hydrofoil A buffer tank (1-4), the hydrofoil A jet flow tank (1-5), the hydrofoil A jet flow hole (1-6) and the hydrofoil B input main runner (2-2) and the hydrofoil B buffer tank (2-4) on the hydrofoil B (2) are symmetrically arranged, and the hydrofoil B jet flow tanks (2-5) and the hydrofoil B jet flow hole (2-6) are the same in size; and when the hydrofoil A (1) is combined with the hydrofoil B (2), a surface-coating sealant is arranged.
3. An intelligent steering rudder plate device of an amphibious vehicle with controllable cavitation as claimed in claim 1 or 2, wherein the diameter of the hydrofoil A jet hole (1-6) is in the range of 0.5cm-1.5cm; the number of the hydrofoil A flow distribution channels (1-3) is 4, and the hydrofoil A flow distribution channels are equidistantly arranged.
4. The intelligent steering rudder plate device of the amphibious vehicle with controllable cavitation according to claim 1, wherein a blind hole is arranged in the connecting shaft (8) and is used as a conveying pipeline of high-pressure jet flow; a water suction pump is arranged in the vehicle body (12), and the water suction pump is connected with the high-pressure jet controller through a water pipe; the inside of the vehicle body (12) is provided with a bearing and a sealing device which are matched with the rotating shaft (10).
5. The intelligent steering rudder plate device of the amphibious vehicle with controllable cavitation as claimed in claim 1, wherein the working method is as follows: firstly, high-pressure fluid is sucked from a water storage tank or an external flow domain through a water suction pump in the vehicle body (12), and is communicated with a high-pressure jet controller (13) through a water pipe, and then high-pressure jet is controlled to be communicated with a jet connector (15) through the water pipe; when the data collected by the piezoelectric sensors (5) of the hydrofoil A (1) and the hydrofoil B (2) are lower than a preset value, the steering rudder is considered to generate cavitation, a signal instruction is sent to the high-pressure jet controller (13) through the system, the flow field of the high-pressure jet is controlled, then the high-pressure jet sequentially passes through the jet connector (15), the connecting shaft (8), the hydrofoil A input main flow channel (1-2), the hydrofoil A shunt channel (1-3), the hydrofoil A buffer groove (1-4) and the hydrofoil A jet water groove (1-5), and finally the steering rudder is sprayed out through the hydrofoil A jet hole (1-6) and the hydrofoil B jet hole (2-6), so that the pressure of a low-pressure area is increased, and the cavitation is inhibited; meanwhile, the power characteristic data of the steering rudder is monitored in real time through the six-axis force sensor (9), so that the intelligent control of the steering rudder is realized.
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| CN202111128668.0A CN114312180B (en) | 2021-09-26 | 2021-09-26 | Cavitation-controllable intelligent steering rudder plate device for amphibious vehicle |
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| CN113400871A (en) * | 2021-07-01 | 2021-09-17 | 益阳天华两栖车艇有限公司 | Hydrofoil device adapted to light amphibious vehicle |
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