CN117841579A - Wheel-hole drag reduction device and drag reduction method for wheel-type amphibious vehicle - Google Patents
Wheel-hole drag reduction device and drag reduction method for wheel-type amphibious vehicle Download PDFInfo
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- CN117841579A CN117841579A CN202311761034.8A CN202311761034A CN117841579A CN 117841579 A CN117841579 A CN 117841579A CN 202311761034 A CN202311761034 A CN 202311761034A CN 117841579 A CN117841579 A CN 117841579A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000013016 damping Methods 0.000 claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 44
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T70/10—Measures concerning design or construction of watercraft hulls
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Abstract
The invention belongs to wheel type amphibious vehicle wheel hole drag reduction devices in the technical field of wheel type amphibious vehicles, and further relates to a wheel type amphibious vehicle wheel hole drag reduction method. The air pump control assembly (8) is communicated with the air channel pipeline (6), a plurality of air channel branch pipes (13) are arranged on the air channel pipeline (6), each air channel branch pipe (13) is communicated with one wheel cavity air bag assembly (1), the front air bag (14) of each wheel cavity air bag assembly (1) is arranged on the mounting backboard (9) at the front part of the tire (7), and the rear air bag (15) is arranged on the mounting backboard (9) at the rear part of the tire (7). According to the wheel type amphibious vehicle wheel cavity damping device and the damping method, the air bags are inflated through the air pump to fill the wheel cavities when the wheel amphibious vehicle sails in water, the air bags are retracted through air pumping of the air pumps on land, sailing resistance is reduced under the condition that other performances of the vehicle are not affected, and the water running performance of the vehicle is improved.
Description
Technical Field
The invention belongs to the technical field of wheel-type amphibious vehicles, and particularly relates to a wheel-type amphibious vehicle wheel-hole damping device and a wheel-type amphibious vehicle wheel-hole damping method.
Background
At present, when the wheel type amphibious vehicle sails in water, vortex can be generated at wheel holes, so that the resistance of the vehicle is generally larger when the vehicle sails in water, the sailing speed is generally lower, and the water running performance of the vehicle is influenced.
The technology of the prior art named as an amphibious wheeled vehicle water drag reduction mechanism and the publication number of CN111559211B belongs to the technical field of amphibious wheeled vehicles, and particularly relates to an amphibious wheeled vehicle water drag reduction mechanism. The mechanism comprises a motor, a sealing cavity, a gear, a rack, a sliding plate, a guiding mechanism and a sealing gasket. The sealed cavity is arranged at the front end of the inner wheel cabin of the vehicle body, one end of the opening is led to the wheel cabin of the vehicle body, and the motor can enable the sliding plate to extend out of the sealed cavity and retract by reversing positively and negatively. The sliding plate extends out of the sealing cavity to complement the appearance of the hydrodynamic streamline vehicle body. The invention solves the problem that the hydrodynamic flow line of the shape of the vehicle body is incomplete due to the existence of the wheel cabin when the amphibious wheeled vehicle sails on water, especially at high speed. When the amphibious wheeled vehicle sails on water, wheels can be lifted to be above the plane of the vehicle bottom, but the vehicle body of the wheel well part is empty, and larger resistance is generated when the amphibious wheeled vehicle sails on water, so that the amphibious wheeled vehicle is difficult to achieve a water sliding state. The invention can complement the streamline shape of the bottom vacancy of the wheel well of the vehicle body under the water working condition, reduce the water sailing resistance of the amphibious wheeled vehicle and improve the water sailing speed. The technology does not relate to the technical problems and technical solutions of the present application.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects of the prior art, the wheel type amphibious vehicle wheel cavity drag reducing device has a simple structure, the air bags are inflated through the air pump to fill the wheel cavities during navigation in water, and the air bags are pumped out through the air pump on land to retract the air bags, so that the navigation resistance is reduced under the condition that other performances of the vehicle are not influenced, and the water running performance of the vehicle is improved.
The technical scheme adopted by the invention is as follows:
the invention relates to a wheel type amphibious vehicle wheel cavity damping device, an air pump control assembly is arranged on a vehicle body, the air pump control assembly is communicated with an air channel pipeline, one end of the air channel pipeline is communicated with a plurality of air channel branch pipes, each air channel branch pipe is communicated with a wheel cavity air bag assembly, each wheel cavity air bag assembly comprises a front air bag and a rear air bag, the front air bag is arranged on a mounting backboard at the front part of a tire, the rear air bag is arranged on the mounting backboard at the rear part of the tire, one surface of the front air bag, which is close to the tire, is of an arc surface structure, and one surface of the rear air bag, which is close to the tire, is of an arc surface structure.
The air pump control assembly comprises an air pump, a first normally-closed electric three-way ball valve, a second normally-closed electric three-way ball valve, a normally-closed electric two-way ball valve and an air pressure sensor.
The front airbag and the rear airbag are internally provided with a plurality of elastic ropes respectively, one end of each elastic rope in the front airbag is connected with the front side surface of the front airbag, the other end of each elastic rope in the front airbag is connected with the rear side surface of the front airbag, one end of each elastic rope in the rear airbag is connected with the front side surface of the rear airbag, the other end of each elastic rope in the rear airbag is connected with the rear side surface of the rear airbag, and the elastic ropes are of structures with different lengths.
The first opening of the first normally-closed electric three-way ball valve is communicated with the air pump, the second opening of the first normally-closed electric three-way ball valve is communicated with the normally-closed electric two-way ball valve, the third opening of the first normally-closed electric three-way ball valve is communicated with the air pump, the first opening of the second normally-closed electric three-way ball valve is communicated with the air pump, the second opening of the second normally-closed electric three-way ball valve is communicated with the normally-closed electric two-way ball valve, the third opening of the second normally-closed electric three-way ball valve is communicated with the air, and the normally-closed electric two-way ball valve is communicated with one end of the air circuit pipeline.
The other end of the air circuit pipeline is connected with an air pressure sensor.
When the wheel amphibious vehicle wheel cavity damping device is inflated, the air pump is started, the first opening and the third opening of the first normally-closed electric three-way ball valve are opened, the second opening of the first normally-closed electric three-way ball valve is closed, the normally-closed electric two-way ball valve is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve are opened, and when the third opening is closed, the air pump is arranged to supply air to each wheel cavity air bag assembly through the air passage pipeline, so that the front air bag and the rear air bag of each wheel cavity air bag assembly realize an inflated structure.
When the wheel amphibious vehicle wheel cavity damping device is used for exhausting, the air pump is started, the first opening and the third opening of the second normally-closed electric three-way ball valve are opened, the second opening of the second normally-closed electric three-way ball valve is closed, the normally-closed electric two-way ball valve is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve are opened, and when the third opening is closed, the air pump is arranged to be capable of pumping air from each wheel cavity air bag assembly through the air passage pipeline, so that the front air bag and the rear air bag of each wheel cavity air bag assembly realize the deflation structure.
Each side of the car body is provided with a plurality of tires, and each tire is provided with a tire hole air bag assembly.
The invention also relates to a wheel amphibious vehicle wheel cavity drag reduction method which has simple steps, can fill the wheel cavity by inflating the air bag through the air pump when the vehicle is sailing in water, and can retract the air bag by pumping the air bag through the air pump on land, so that the sailing resistance is reduced and the running performance of the vehicle on water is improved under the condition that other performances of the vehicle are not influenced.
The drag reduction method for the wheel-type amphibious vehicle wheel hole drag reduction comprises the following steps:
s2, when the wheel type amphibious vehicle wheel cavity damping device is inflated, the air pump is started, the first opening and the third opening of the first normally-closed electric three-way ball valve are opened, the second opening of the first normally-closed electric three-way ball valve is closed, the normally-closed electric two-way ball valve is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve are opened, and when the third opening is closed, the air pump is arranged to supply air to each wheel cavity air bag assembly through the air passage pipeline, so that the front air bag and the rear air bag of each wheel cavity air bag assembly are inflated;
s3, when the wheel type amphibious vehicle wheel cavity damping device is used for exhausting, the air pump is started, the first opening and the third opening of the second normally-closed electric three-way ball valve are opened, the second opening of the second normally-closed electric three-way ball valve is closed, the normally-closed electric two-way ball valve is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve are opened, and when the third opening is closed, the air pump is used for exhausting air from each wheel cavity air bag assembly through the air passage pipeline, so that the front air bag and the rear air bag of each wheel cavity air bag assembly can be deflated.
By adopting the technical scheme of the invention, the working principle and the beneficial effects are as follows:
the wheel type amphibious vehicle wheel cavity drag reduction device is characterized in that an air pump control assembly is arranged on a vehicle body, an air pump of the air pump control assembly can be started and stopped through a control component, the air pump is communicated with an air channel pipeline and used for supplying air to the air channel pipeline, a plurality of air channel branch pipes are arranged on the air channel pipeline, each air channel branch pipe is communicated with one wheel cavity air bag assembly, in this way, each wheel cavity air bag assembly is attached to one tire and is arranged, each wheel cavity air bag assembly respectively comprises a front air bag and a rear air bag, the front air bag is mounted on a mounting backboard at the front part of the tire, the rear air bag is mounted on the mounting backboard at the rear part of the tire, one surface of the front air bag, which is close to the tire, is of an arc surface structure, and one surface of the rear air bag, which is close to the tire, is of the arc surface structure. When the amphibious vehicle runs on the water surface, the control part controls the air pump to start. When the wheel amphibious vehicle wheel cavity damping device is inflated, the air pump is started, the first opening and the third opening of the first normally-closed electric three-way ball valve are opened, the second opening of the first normally-closed electric three-way ball valve is closed, the normally-closed electric two-way ball valve is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve are opened, and when the third opening is closed, the air pump sucks air through the third opening of the first normally-closed electric three-way ball valve, and then the air can be supplied to each wheel cavity air bag assembly through the air passage pipeline, so that the front air bag and the rear air bag of each wheel cavity air bag assembly are inflated. The front air bag and the rear air bag of each wheel cavity air bag assembly are filled in the wheel cavity positions of the corresponding tires, the wheel cavity positions do not generate resistance to a vehicle running on the water surface, drag reduction of the running on the water surface is achieved, and the running performance of the amphibious vehicle on the water surface is improved. When the wheel amphibious vehicle wheel cavity damping device is used for exhausting, the air pump is started, the first opening and the third opening of the second normally-closed electric three-way ball valve are opened, the second opening of the second normally-closed electric three-way ball valve is closed, the normally-closed electric two-way ball valve is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve are opened, when the third opening is closed, the air pump is used for pumping out air from each wheel cavity air bag assembly through the air circuit pipeline, and then the air is discharged from the third opening of the second normally-closed electric three-way ball valve, so that the front air bag and the rear air bag of each wheel cavity air bag assembly realize deflation, the front air bag and the rear air bag of each wheel cavity air bag assembly are respectively retracted, and the front air bag and the rear air bag leave corresponding tires, so that the normal rotation of the tires is not influenced. Therefore, the requirements of the amphibious vehicle on water and land running are met, and drag reduction of the water running is realized.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic diagram of the connection structure of a wheel amphibian spa fairing of the present invention;
FIG. 2 is a schematic view of the structure of the wheel amphibian wheel well fairing of the present invention when inflated;
FIG. 3 is a schematic view of the construction of a wheel amphibian spa fairing of the present invention;
FIG. 4 is a schematic view of the mounting structure of a wheel well air bag assembly of a wheel well fairing of a wheeled amphibious vehicle in accordance with the invention;
FIG. 5 is a schematic view of the mounting and internal construction of the bladder of the wheel well bladder assembly of the wheel well amphibious vehicle wheel well fairing of the present invention;
the reference numerals in the figures are respectively: 1-wheel hole air bag assembly, 2-air pump, 3-first normally closed electric three-way ball valve, 4-normally closed electric two-way ball valve, 5-air pressure sensor, 6-air channel pipeline, 7-tire, 8-air pump control assembly, 9-mounting backboard, 10-air bag outer skin, 11-elastic rope, 12-car body, 13-air channel branch pipe, 14-front air bag, 15-rear air bag and 16-second normally closed electric three-way ball valve.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present invention by describing examples in further detail:
as shown in fig. 1-5, the wheel cavity air drag reducing device for the wheel amphibious vehicle is provided with an air pump control assembly 8 on a vehicle body 12, the air pump control assembly 8 is communicated with an air channel pipeline 6, a plurality of air channel branch pipes 13 are arranged on the air channel pipeline 6, each air channel branch pipe 13 is communicated with one wheel cavity air bag assembly 1, each wheel cavity air bag assembly 1 comprises a front air bag 14 and a rear air bag 15, the front air bag 14 is arranged on a mounting backboard 9 at the front part of a tire 7, the rear air bag 15 is arranged on the mounting backboard 9 at the rear part of the tire 7, one surface of the front air bag 14 close to the tire 7 is of an arc surface structure, and one surface of the rear air bag 15 close to the tire 7 is of an arc surface structure. The structure provides an improved technical scheme aiming at the defects in the prior art. When the structure is arranged, the air pump control assembly 8 is arranged on the vehicle body 12, the air pump of the air pump control assembly 8 can be started and stopped through the control component, the air pump 2 is communicated with the air channel pipeline 6 and used for supplying air to the air channel pipeline 6, one end of the air channel pipeline 6 is communicated with the plurality of air channel branch pipes 13, each air channel branch pipe 13 is communicated with one wheel cavity air bag assembly 1, thus, each wheel cavity air bag assembly 1 is arranged by being attached to one tire 7, each wheel cavity air bag assembly 1 respectively comprises a front air bag 14 and a rear air bag 15, the front air bag 14 is arranged on the mounting backboard 9 at the front part of the tire 7, the rear air bag 15 is arranged on the mounting backboard 9 at the rear part of the tire 7, one surface of the front air bag 14, which is close to the tire 7, is of an arc surface structure, and one surface of the rear air bag 15, which is close to the tire 7, is of the arc surface structure. Thus, when the amphibious vehicle is driven on the water surface, the control means controls the air pump 2 to be started. When the wheel amphibious vehicle wheel cavity damping device is inflated, the air pump 2 is started, the first opening and the third opening of the first normally-closed electric three-way ball valve 3 are opened, the second opening of the first normally-closed electric three-way ball valve 3 is closed, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve 16 are opened, and when the third opening is closed, the air pump 2 sucks air through the third opening of the first normally-closed electric three-way ball valve 3, and then the air can be supplied to each wheel cavity air bag assembly 1 through the air passage pipeline 6, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 1 are inflated. The front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 1 are filled in the wheel cavity positions of the corresponding tires, and the wheel cavity positions do not generate resistance to a vehicle running on the water surface, so that the drag reduction of the running on the water surface is realized, and the running performance of the amphibious vehicle on the water surface is improved. When the wheel amphibious vehicle wheel cavity damping device is used for exhausting, the air pump 2 is started, the first opening and the third opening of the second normally-closed electric three-way ball valve 16 are opened, the second opening of the second normally-closed electric three-way ball valve 16 is closed, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve 3 are opened, when the third opening is closed, the air pump 2 is used for exhausting air from each wheel cavity air bag assembly 1 through the air passage pipeline 6, and then the air is exhausted from the third opening of the second normally-closed electric three-way ball valve 16, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 2 realize deflation, the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 2 are respectively retracted, and the front air bag 14 and the rear air bag 15 are separated from corresponding tires, and the normal rotation of the tires can not be influenced to drive the vehicle. Therefore, the requirements of the amphibious vehicle on water and land running are met, and drag reduction of the water running is realized. According to the wheel type amphibious vehicle wheel hole drag reduction device, the air bags are inflated through the air pump to fill the wheel holes when the wheel type amphibious vehicle is sailed in water, the air bags are retracted through the air pump on land and are pumped out, sailing resistance is reduced under the condition that other performances of the vehicle are not affected, and the water running performance of the vehicle is improved.
The air pump control assembly 8 comprises an air pump 2, a first normally-closed electric three-way ball valve 3, a second normally-closed electric three-way ball valve 16, a normally-closed electric two-way ball valve 4 and an air pressure sensor 5.
The first opening of the first normally-closed electric three-way ball valve 3 is communicated with the air pump 2, the second opening of the first normally-closed electric three-way ball valve 3 is communicated with the normally-closed electric two-way ball valve 4, the third opening of the first normally-closed electric three-way ball valve 3 is communicated with the atmosphere, the first opening of the second normally-closed electric three-way ball valve 16 is communicated with the air pump 2, the second opening of the second normally-closed electric three-way ball valve 16 is communicated with the normally-closed electric two-way ball valve 4, the third opening of the second normally-closed electric three-way ball valve 16 is communicated with the atmosphere, and the normally-closed electric two-way ball valve 4 is communicated with one end of the air circuit pipeline 6. Through the arrangement and control of the air pump 2, the first normally-closed electric three-way ball valve 3, the second normally-closed electric three-way ball valve 16 and the normally-closed electric two-way ball valve 4, the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 1 are inflated and deflated reliably according to actual needs, and the water and land running performance is improved.
The front airbag 14 and the rear airbag 15 are internally provided with a plurality of elastic ropes 11 respectively, one end of each elastic rope 11 in the front airbag 14 is connected with the front side surface of the front airbag 14, the other end of each elastic rope 11 in the front airbag 14 is connected with the rear side surface of the front airbag 14, one end of each elastic rope 11 in the rear airbag 15 is connected with the front side surface of the rear airbag 15, the other end of each elastic rope 11 in the rear airbag 15 is connected with the rear side surface of the rear airbag 15, and the plurality of elastic ropes 11 are of structures with different lengths. In the above structure, when each air bag is inflated, the elastic cord 11 inside the air bag is stretched, so that the inflation of the air bag and the contact of the air bag with the tire are not affected. When each air bag is deflated, the elastic rope reliably realizes the contraction of the air bag, ensures that the air bag is contracted in place and is far away from the tire, and avoids the interference between the tire and the air bag when the amphibious vehicle runs on land.
The other end of the air passage pipeline 6 is connected with an air pressure sensor 5. With the above structure, the air pressure sensor 5 is communicated with the air passage pipeline for acquiring the pressure value of the air passage pipeline in real time, and the air pressure sensor 5 can be communicated with the control component to feed back the pressure value to the control component in real time. Thus, the pressure of the whole gas supply pipeline is monitored, and abnormal conditions caused by gas leakage of the pipeline are avoided.
When the wheel amphibious vehicle wheel cavity damping device is inflated, the air pump 2 is started, the first opening and the third opening of the first normally-closed electric three-way ball valve 3 are opened, the second opening of the first normally-closed electric three-way ball valve 3 is closed, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve 16 are opened, and when the third opening is closed, the air pump 2 sucks air through the third opening of the first normally-closed electric three-way ball valve 3, the air can be supplied to each wheel cavity air bag assembly 1 through the air passage pipeline 6, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 1 realize an inflated structure. With the structure, before the amphibious vehicle runs on the water surface, the front air bags 14 and the rear air bags 15 of the wheel cavity air bag assemblies 1 are inflated, so that the wheel cavity air bag assemblies 1 are filled with the wheel cavity positions of the corresponding tires, and the purpose of reducing drag is achieved.
When the wheel type amphibious vehicle wheel cavity damping device is used for exhausting, the air pump 2 is started, the first opening and the third opening of the second normally-closed electric three-way ball valve 16 are opened, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve 3 are opened, and when the third opening is closed, the air pump 2 is arranged to be capable of pumping air from each wheel cavity air bag assembly 1 through the air passage pipeline 6, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 2 realize the deflation structure. With the structure, before the amphibious vehicle runs on land, the front air bags 14 and the rear air bags 15 of the wheel cavity air bag assemblies 1 are deflated, so that each wheel cavity air bag assembly 1 is far away from the corresponding tire, the formation of obstruction to the rotation of the tire is avoided, and the reliable running on land is ensured.
Each side of the car body is provided with a plurality of tires, and each tire is provided with a tire hole air bag assembly. In the above structure, according to the actual situation of the tires of the vehicle, the tire cavity air bag assemblies 1 are correspondingly arranged, and each tire cavity air bag assembly 1 is respectively arranged corresponding to one tire.
Each side of the car body 12 is provided with a plurality of tires 7, and each tire 7 is provided with a tire hole air bag assembly 1. With the above structure, the positions and the number of the wheel cavity air bag assemblies 1 are configured according to the number of actual tires of the vehicle body, so as to reliably meet the use requirements.
The invention also relates to a wheel amphibious vehicle wheel cavity drag reduction method which has simple steps, can fill the wheel cavity by inflating the air bag through the air pump when the vehicle is sailing in water, and can retract the air bag by pumping the air bag through the air pump on land, so that the sailing resistance is reduced and the running performance of the vehicle on water is improved under the condition that other performances of the vehicle are not influenced.
The drag reduction method for the wheel-type amphibious vehicle wheel hole drag reduction comprises the following steps:
s1, an air pump control assembly 8 is arranged on a vehicle body 12, the air pump control assembly 8 is communicated with an air channel pipeline 6, a plurality of air channel branch pipes 13 are arranged on the air channel pipeline 6, each air channel branch pipe 13 is communicated with one wheel cavity air bag assembly 1, each wheel cavity air bag assembly 1 comprises a front air bag 14 and a rear air bag 15, the front air bag 14 is arranged on a mounting backboard 9 at the front part of a tire 7, the rear air bag 15 is arranged on the mounting backboard 9 at the rear part of the tire 7, one surface of the front air bag 14 close to the tire 7 is of an arc surface structure, and one surface of the rear air bag 15 close to the tire 7 is of an arc surface structure; s2, when the wheel type amphibious vehicle wheel cavity damping device is inflated, the air pump 2 is started, the first opening and the third opening of the first normally-closed electric three-way ball valve 3 are opened, the second opening of the first normally-closed electric three-way ball valve 3 is closed, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve 16 are opened, and when the third opening of the second normally-closed electric three-way ball valve 16 is closed, the air pump 2 is arranged to supply air to each wheel cavity air bag assembly 1 through the air passage pipeline 6, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 1 are inflated; s3, when the wheel type amphibious vehicle wheel cavity damping device is used for exhausting, the air pump 2 is started, the first opening and the third opening of the second normally-closed electric three-way ball valve 16 are opened, the second opening of the second normally-closed electric three-way ball valve 16 is closed, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve 3 are opened, and when the third opening of the first normally-closed electric three-way ball valve 3 is closed, the air pump 2 is arranged to be capable of exhausting air from each wheel cavity air bag assembly 1 through the air passage pipeline 6, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 2 are deflated. According to the wheel-type amphibious vehicle wheel hole drag reduction method, when the amphibious vehicle sails in water, the air bags are inflated through the air pump to fill the wheel hole position of each tire, drag reduction is achieved, and the water surface travelling performance can be improved. When the amphibious vehicle runs on land, the air bags are pumped by the air pump, so that the air bags of each wheel cavity air bag assembly 1 are retracted, and the running of the tires is not affected.
When the wheel type amphibious vehicle wheel cavity drag reduction device is structurally arranged, an air pump control assembly is arranged on a vehicle body 12, an air pump of the air pump control assembly can be started and stopped through a control part, an air pump 2 is communicated with an air channel pipeline 6 and is used for supplying air to the air channel pipeline 6, a plurality of air channel branch pipes 13 are arranged on the air channel pipeline 6, each air channel branch pipe 13 is communicated with one wheel cavity air bag assembly 1, in this way, each wheel cavity air bag assembly 1 is attached to one tire 7, each wheel cavity air bag assembly 1 respectively comprises a front air bag 14 and a rear air bag 15, the front air bag 14 is arranged on a mounting backboard 9 in front of the tire 7, the rear air bag 15 is arranged on the mounting backboard 9 in rear of the tire 7, one surface of the front air bag 14 close to the tire 7 is of a cambered surface structure, and one surface of the rear air bag 15 close to the tire 7 is of a cambered surface structure. Thus, when the amphibious vehicle is driven on the water surface, the control means controls the air pump 2 to be started. When the wheel amphibious vehicle wheel cavity damping device is inflated, the air pump 2 is started, the first opening and the third opening of the first normally-closed electric three-way ball valve 3 are opened, the second opening of the first normally-closed electric three-way ball valve 3 is closed, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve 16 are opened, and when the third opening is closed, the air pump 2 sucks air through the third opening of the first normally-closed electric three-way ball valve 3, and then the air can be supplied to each wheel cavity air bag assembly 1 through the air passage pipeline 6, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 1 are inflated. The front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 1 are filled in the wheel cavity positions of the corresponding tires, and the wheel cavity positions do not generate resistance to a vehicle running on the water surface, so that the drag reduction of the running on the water surface is realized, and the running performance of the amphibious vehicle on the water surface is improved. When the wheel amphibious vehicle wheel cavity damping device is used for exhausting, the air pump 2 is started, the first opening and the third opening of the second normally-closed electric three-way ball valve 16 are opened, the second opening of the second normally-closed electric three-way ball valve 16 is closed, the normally-closed electric two-way ball valve 4 is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve 3 are opened, when the third opening is closed, the air pump 2 is used for exhausting air from each wheel cavity air bag assembly 1 through the air passage pipeline 6, and then the air is exhausted from the third opening of the second normally-closed electric three-way ball valve 16, so that the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 2 realize deflation, the front air bag 14 and the rear air bag 15 of each wheel cavity air bag assembly 2 are respectively retracted, and the front air bag 14 and the rear air bag 15 are separated from corresponding tires, and the normal rotation of the tires can not be influenced to drive the vehicle. Therefore, the requirements of the amphibious vehicle on water and land running are met, and drag reduction of the water running is realized.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the invention is not limited by the foregoing, but rather is within the scope of the invention as long as various modifications are made by the method concept and technical scheme of the invention, or the concept and technical scheme of the invention are directly applied to other occasions without modification.
Claims (9)
1. A wheel amphibian wheel well drag reducing device, characterized in that: an air pump control assembly (8) is arranged on a vehicle body (12), the air pump control assembly (8) is communicated with an air channel pipeline (6), one end of the air channel pipeline (6) is communicated with a plurality of air channel branch pipes (13), each air channel branch pipe (13) is communicated with a wheel cavity air bag assembly (1), each wheel cavity air bag assembly (1) comprises a front air bag (14) and a rear air bag (15), the front air bag (14) is arranged on a mounting backboard (9) at the front part of a tire (7), the rear air bag (15) is arranged on the mounting backboard (9) at the rear part of the tire (7), one surface of the front air bag (14) close to the tire (7) is of a cambered surface structure, and one surface of the rear air bag (15) close to the tire (7) is of a cambered surface structure;
a plurality of elastic ropes (11) are respectively arranged in the front air bag (14) and the rear air bag (15), one end of each elastic rope (11) in the front air bag (14) is connected with the front side surface of the front air bag (14), and the other end of each elastic rope (11) in the front air bag (14) is connected with the rear side surface of the front air bag (14).
2. A wheel amphibian wheel well fairing as claimed in claim 1 wherein: the air pump control assembly (8) comprises an air pump (2), a first normally-closed electric three-way ball valve (3), a second normally-closed electric three-way ball valve (16), a normally-closed electric two-way ball valve (4) and an air pressure sensor (5).
3. A wheel amphibian wheel well fairing according to claim 1 or claim 2, wherein: one end of each elastic rope (11) in the rear airbag (15) is connected with the front side surface of the rear airbag (15), the other end of each elastic rope (11) in the rear airbag (15) is connected with the rear side surface of the rear airbag (15), and the elastic ropes (11) are of structures with different lengths.
4. A wheel amphibian wheel well fairing as claimed in claim 2, wherein: the first opening of first electronic tee bend ball valve (3) intercommunication air pump (2), the electronic two way ball valve of electronic tee bend of first normal close (3) second opening intercommunication normal close (4), the electronic tee bend ball valve of first normal close (3) third opening intercommunication atmosphere, the electronic tee bend ball valve of second normal close (16) first opening intercommunication air pump (2), the electronic two way ball valve of second normal close (16) second opening intercommunication normal close (4), the electronic tee bend ball valve of second normal close (16) third opening intercommunication atmosphere, the electronic two way ball valve of normal close (4) intercommunication gas circuit pipeline (6) one end.
5. A wheel amphibian wheel well fairing according to claim 1 or claim 2, wherein: the other end of the air passage pipeline (6) is connected with an air pressure sensor (5).
6. A wheeled amphibian wheel well fairing as claimed in claim 4, wherein: when the wheel amphibious vehicle wheel cave damping device aerifys, air pump (2) start and first normally closed electronic tee bend ball valve (3) first opening, third opening are opened, first normally closed electronic tee bend ball valve (3) second opening is closed, normally closed electronic two-way ball valve (4) are opened, second normally closed electronic tee bend ball valve (16) first opening, the second opening is opened, when second normally closed electronic tee bend ball valve (16) third opening is closed, air pump (2) set up to can supply gas to each wheel cave gasbag assembly (1) through gas circuit pipeline (6), make the front portion gasbag (14) and rear portion gasbag (15) of each wheel cave gasbag assembly (1) realize inflated structure.
7. A wheeled amphibian wheel well fairing as claimed in claim 4, wherein: when the wheel amphibious vehicle wheel cave damping device exhausts, the air pump (2) starts and the first opening and the third opening of the second normally-closed electric three-way ball valve (16) are opened, the second opening of the second normally-closed electric three-way ball valve (16) is closed, the normally-closed electric two-way ball valve (4) is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve (3) are opened, and when the third opening of the first normally-closed electric three-way ball valve (3) is closed, the air pump (2) is arranged to be capable of pumping air from each wheel cave air bag assembly (1) through the air channel pipeline (6), so that the front air bag (14) and the rear air bag (15) of each wheel cave air bag assembly (2) realize the structure of deflation.
8. A wheel amphibian wheel well fairing according to claim 1 or claim 2, wherein: each side of the vehicle body (12) is provided with a plurality of tires (7), and each tire (7) is provided with a tire hole air bag assembly (1) at the tire point.
9. A wheel amphibian wheel well drag reduction method, characterized in that: the drag reduction method for the wheel-type amphibious vehicle wheel hole drag reduction comprises the following steps:
s1, an air pump control assembly (8) is arranged on a vehicle body (12), the air pump control assembly (8) is communicated with an air channel pipeline (6), a plurality of air channel branch pipes (13) are arranged on the air channel pipeline (6), each air channel branch pipe (13) is communicated with a wheel cavity air bag assembly (1), each wheel cavity air bag assembly (1) comprises a front air bag (14) and a rear air bag (15), the front air bag (14) is arranged on an installation backboard (9) at the front part of a tire (7), the rear air bag (15) is arranged on the installation backboard (9) at the rear part of the tire (7), one surface of the front air bag (14) close to the tire (7) is of a cambered surface structure, and one surface of the rear air bag (15) close to the tire (7) is of a cambered surface structure;
s2, when the wheel type amphibious vehicle wheel cavity damping device is inflated, the air pump (2) is started, the first opening and the third opening of the first normally-closed electric three-way ball valve (3) are opened, the second opening of the first normally-closed electric three-way ball valve (3) is closed, the normally-closed electric two-way ball valve (4) is opened, the first opening and the second opening of the second normally-closed electric three-way ball valve (16) are opened, and when the third opening of the second normally-closed electric three-way ball valve (16) is closed, the air pump (2) is arranged to supply air to each wheel cavity air bag assembly (1) through the air passage pipeline (6), so that the front air bag (14) and the rear air bag (15) of each wheel cavity air bag assembly (1) are inflated;
s3, when the wheel type amphibious vehicle wheel cavity damping device is used for exhausting, the air pump (2) is started, the first opening and the third opening of the second normally-closed electric three-way ball valve (16) are opened, the second opening of the second normally-closed electric three-way ball valve (16) is closed, the normally-closed electric two-way ball valve (4) is opened, the first opening and the second opening of the first normally-closed electric three-way ball valve (3) are opened, and when the third opening of the first normally-closed electric three-way ball valve (3) is closed, the air pump (2) is arranged to be capable of pumping air from each wheel cavity air bag assembly (1) through the air channel pipeline (6), so that the front air bag (14) and the rear air bag (15) of each wheel cavity air bag assembly (2) are deflated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761034.8A CN117841579A (en) | 2023-12-20 | 2023-12-20 | Wheel-hole drag reduction device and drag reduction method for wheel-type amphibious vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761034.8A CN117841579A (en) | 2023-12-20 | 2023-12-20 | Wheel-hole drag reduction device and drag reduction method for wheel-type amphibious vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117841579A true CN117841579A (en) | 2024-04-09 |
Family
ID=90528031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311761034.8A Pending CN117841579A (en) | 2023-12-20 | 2023-12-20 | Wheel-hole drag reduction device and drag reduction method for wheel-type amphibious vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117841579A (en) |
-
2023
- 2023-12-20 CN CN202311761034.8A patent/CN117841579A/en active Pending
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