CN211844947U - Ground maintenance equipment for vehicle-mounted helicopter hydraulic system - Google Patents
Ground maintenance equipment for vehicle-mounted helicopter hydraulic system Download PDFInfo
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- CN211844947U CN211844947U CN202020322323.3U CN202020322323U CN211844947U CN 211844947 U CN211844947 U CN 211844947U CN 202020322323 U CN202020322323 U CN 202020322323U CN 211844947 U CN211844947 U CN 211844947U
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Abstract
The utility model relates to the field of hydraulic systems, and discloses ground maintenance equipment for a vehicle-mounted helicopter hydraulic system, which comprises a hydraulic pump assembly, an integrated valve assembly, a high-efficiency motor, a dewatering system, a hydraulic oil tank, a cooling system, a filtering assembly and an electric control assembly; the hydraulic pump assembly comprises a hydraulic pump, a first oil pipe and a second oil pipe which are connected with the hydraulic pump, the high-efficiency motor is connected with the hydraulic pump assembly, and the integrated valve assembly comprises an overflow valve, an unloading valve, a throttle valve, a temperature sensor, a pressure sensor and a flow sensor; the electric control assembly comprises a controller; the pressure sensor and the flow sensor are respectively connected with the input end of the controller; the output end of the controller is in control connection with the integrated valve assembly and the cooling system. The utility model reduces the mechanical abrasion and prolongs the service life of the equipment; the problem of large power loss in a standby state is solved; the portability, the light weight and the modularization of the equipment are realized; the hydraulic oil dewatering function is increased, and the field operation guarantee capability is improved.
Description
Technical Field
The utility model relates to a hydraulic system field especially relates to a vehicular helicopter hydraulic system ground maintenance equipment.
Background
The hydraulic main pump that vehicular hydraulic system ground maintenance equipment that uses used at present chose for use is mostly quantitative pump, and power loss is big in the operation leads to the system to generate heat seriously and the noise is bigger than normal, and most products have been used for years moreover, and the volume is bigger than normal, and mechanical structure is complicated, and long-time use wearing and tearing are serious, need the periodic maintenance. In the outfield maintenance and guarantee process of the miniaturized helicopter, the functional performance inspection of a hydraulic system, the debugging of an operating system, the emission of a self-driving flight control system, the oil pollution assessment and the like are necessary and key subjects. To complete the maintenance work, an external hydraulic source is required to provide power for a helicopter hydraulic system. The existing electric and vehicle-mounted hydraulic power sources are only suitable for one or two types of machines under the reachable environment of a factory building, an airport or a road, have larger sizes and weights of hundreds of kilograms, and cannot meet the working requirements under the extreme environments of mountainous regions, jungles, plateaus, deserts, wetlands and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that current vehicular hydraulic system ground maintenance equipment volume is big partially, mechanical structure is complicated and long-time use wearing and tearing are serious, provide a vehicular helicopter hydraulic system ground maintenance equipment. The utility model reduces the mechanical abrasion and prolongs the service life of the equipment; the problem of large power loss in a standby state is solved; the portability, the light weight and the modularization of the equipment are realized;
the hydraulic oil dewatering function is increased, and the field operation guarantee capability is improved.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a vehicle-mounted helicopter hydraulic system ground maintenance device comprises a hydraulic pump assembly (1), an integrated valve assembly (2), a high-efficiency motor (3), a water removal system (4), a hydraulic oil tank (5), a cooling system (6), a filter assembly (7) and an electric control assembly; the hydraulic pump assembly (1) comprises a hydraulic pump and a first oil pipe and a second oil pipe which are connected with the hydraulic pump, and the hydraulic pump converts the mechanical energy of the high-efficiency motor (3) into hydraulic energy for outputting flow and pressure; the high-efficiency motor (3) is connected with the hydraulic pump assembly (1), and the high-efficiency motor (3) is used for providing power for a hydraulic system; the integrated valve assembly (2) comprises an overflow valve, an unloading valve, a throttle valve, a temperature sensor, a pressure sensor and a flow sensor; the electric control assembly comprises a controller; the temperature sensor, the pressure sensor and the flow sensor are respectively arranged on the first oil pipe, and the pressure sensor and the flow sensor are respectively connected with the input end of the controller; the output end of the controller is in control connection with the integrated valve assembly (2) and the cooling system (6); the filtering component (7) is arranged on the first oil pipeline and is used for clarifying and filtering the hydraulic oil; the cooling system (6) comprises a cold oil machine, and the cooling system (6) is connected with the hydraulic pump; the first oil pipe and the second oil pipe are used for being connected with a helicopter oil tank when the helicopter is subjected to oil charging/discharging.
The hydraulic pump assembly (1) is a power source of a hydraulic system and can provide continuous adjustment of pressure of 0 to 25 Mpa; the maximum flow can reach 35L/min, and the hydraulic pump assembly (1) can also continuously adjust the flow. The integrated valve assembly (2) integrates hydraulic control valves and sensor detection elements on a valve group, integrates an electric proportional control system for pressure and flow, and is convenient for field maintenance of users. The high-efficiency motor (3) provides power for the hydraulic system, so that the working noise of the hydraulic system is reduced to the minimum, and the hydraulic system runs stably. When being in the external field or the field work condition, conventional vehicular helicopter hydraulic system ground maintenance equipment adopts the engine power takeoff mode, turns into hydraulic system kinetic energy with mechanical energy through the transmission case, and long-time work can lead to the gear box wearing and tearing, makes product life reduce to need the periodic maintenance, the utility model discloses a high-efficient motor (3) are as the hydraulic system power supply, and its electric energy derives from on-vehicle engine power takeoff system, has so not only saved the installation space of gear box, has avoided the influence of mechanical wear to entire system life-span when subtracting heavy, has improved the reliability of equipment.
Further, the hydraulic oil tank (5) is provided with a first pipeline and a second pipeline, and the shell of the hydraulic oil tank is provided with an oil inlet and an oil outlet; the water removal system (4) is connected with an oil inlet of the hydraulic oil tank (5) through a first pipeline, the water removal system (4) is connected with an oil outlet of the hydraulic oil tank (5) through a second pipeline, and the water removal system (4) is connected with the hydraulic pump.
Water is the root cause who causes the system trouble always among the hydraulic system, the utility model discloses a set up water removal system (4) and can realize refueling state dewatering (be promptly during hydraulic oil in the hydraulic oil tank carries out the dewatering through water removal system earlier and gets into hydraulic pump subassembly) and two kinds of mode of oil tank self-loopa state dewatering (be promptly the oil tank and water removal system constitute a circulation circuit), improve and equip the outfield guarantee ability.
Further, the filter assembly (7) comprises a plate filter.
The filter assembly (7) adopts a plate type onboard filter, has small volume and light weight, is designed into a valve group form, and is convenient for daily maintenance and filter element replacement.
Further, a fan is arranged in the oil cooler.
The utility model discloses an air-cooled form's cold oil machine relies on the fan of establishing in the machine to dispel the heat. Compare with the cold oil machine of water-cooling form, the utility model discloses the structure is compacter, has realized the miniaturization and the lightweight of equipment effectively.
Further, the hydraulic pump is a proportional variable pump.
The proportion variable pump has good adaptivity, and the pressure and the flow of its output can be unanimous with the load demand, have solved the flow inadaptation among the hydraulic system and the inadaptation problem of pressure, and energy loss significantly reduces, and system efficiency improves, and energy-conserving effect is very obvious, the utility model discloses a proportion variable pump effective control system heating power, reduced radiator module space, save the installation space of equipment overall arrangement greatly.
The utility model has the advantages that: utilize the motor to drive hydraulic pressure variable pump as the power supply, reduce mechanical wear, make full use of proportion variable pump operating characteristic, solved the problem that power loss is bigger than normal under the equipment standby state, utilize integrated valve subassembly and automatically controlled subassembly proportion variable pump to detect and control, precision and intelligent degree are higher, and pressure, flow output are more stable, have improved field work guarantee efficiency through addding dewatering system.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
In a first embodiment, a vehicle-mounted helicopter hydraulic system ground maintenance device is shown in fig. 1 and comprises a hydraulic pump assembly 1, an integrated valve assembly 2, a high-efficiency motor 3, a water removal system 4, a hydraulic oil tank 5, a cooling system 6, a filter assembly 7 and an electric control assembly; the hydraulic pump assembly 1 includes a hydraulic pump that converts mechanical energy of the high-efficiency motor 3 into hydraulic energy for outputting flow and pressure, and first and second oil lines connected to the hydraulic pump. The hydraulic pump assembly 1 is a power source of a hydraulic system and can provide continuous adjustment of pressure of 0 to 25 Mpa; the maximum flow can reach 35L/min, and the hydraulic pump assembly 1 can also continuously adjust the flow.
The high-efficiency motor 3 is connected with the hydraulic pump assembly 1, and the high-efficiency motor 3 is used for providing power for the hydraulic system, so that the working noise of the hydraulic system is reduced to the minimum, and the hydraulic system runs stably.
The integrated valve assembly 2 comprises an overflow valve, an unloading valve, a throttle valve, a temperature sensor, a pressure sensor and a flow sensor; the integrated valve assembly 2 integrates all control valves and sensor detection elements of a hydraulic system on one valve group, integrates an electric proportional control system for pressure and flow, and is convenient for field maintenance of users.
The electric control assembly comprises a controller; the temperature sensor, the pressure sensor and the flow sensor are respectively arranged on the first oil pipe, and the pressure sensor and the flow sensor are respectively connected with the input end of the controller; the output of the controller is connected with the integrated valve assembly 2 and the cooling system 6 in a control mode.
The cooling system 6 comprises a cold oil machine, and the cooling system 6 is connected with a hydraulic pump; the first oil pipe and the second oil pipe are used for being connected with a helicopter oil tank when the helicopter is subjected to oil charging/discharging. The fan is arranged in the oil cooler. The air-cooled oil cooler is used for dissipating heat by a fan arranged in the machine. Compare with the cold oil machine of water-cooling form, the utility model discloses the structure is compacter, has realized the miniaturization and the lightweight of equipment effectively. The temperature sensor detects the oil temperature, so that the cooling system 6 is controlled to work when the oil temperature is higher than 25 ℃, and the working time 2h under full load is controlled to be not higher than 70 ℃.
The hydraulic oil tank 5 is provided with a first pipeline and a second pipeline, and the shell of the hydraulic oil tank is provided with an oil inlet and an oil outlet; the water removal system 4 is connected with an oil inlet of the hydraulic oil tank 5 through a first pipeline, the water removal system 4 is connected with an oil outlet of the hydraulic oil tank 5 through a second pipeline, and the water removal system 4 is connected with a hydraulic pump.
Water is the root cause who causes the system trouble always among the hydraulic system, the utility model discloses a set up water removal system 4 and can realize refueling state dewatering (the hydraulic oil in the hydraulic oil case carries out the dewatering through water removal system earlier and gets into hydraulic pump subassembly in) and two kinds of mode of oil tank self-loopa state dewatering (the oil tank constitutes a circulation circuit with water removal system promptly), improve and equip outfield guarantee ability.
The filtering component 7 is arranged on the first oil pipeline and is used for clarifying and filtering the hydraulic oil; the filter assembly 7 comprises a plate type filter, is small in size and light in weight, and is designed into a valve group form, so that daily maintenance is facilitated, and a filter element is replaced.
As shown in figure 2, two sets of ground maintenance equipment of a vehicle-mounted helicopter hydraulic system are carried on a chassis of a certain vehicle type, a vehicle-mounted engine is arranged on the vehicle, and a hydraulic oil tank (5) and a high-efficiency motor (3) are respectively connected with the vehicle-mounted engine. When the helicopter hydraulic system outfield guarantee task or the outdoor guarantee operation is carried out, the heat energy is converted into the electric energy through the vehicle-mounted engine, and the electric energy generated by the engine supplies power for the high-efficiency motor (3) on one hand and supplies power for the integrated valve assembly and the electric control assembly on the other hand. The embodiment I is suitable for the outfield guarantee task or the field guarantee operation of the helicopter hydraulic system and has the functions of oil feeding/discharging, testing, circulating cleaning and dewatering.
In the second embodiment, as shown in fig. 3, a vehicle-mounted helicopter hydraulic system ground maintenance device includes a housing, a hydraulic pump assembly 1, an integrated valve assembly 2, a high-efficiency motor 3, a water removal system 4, a hydraulic oil tank 5, a cooling system 6, a filter assembly 7 and an electronic control assembly; the hydraulic pump assembly 1 includes a hydraulic pump, and a first oil pipe and a second oil pipe connected to the hydraulic pump, the hydraulic pump being a proportional variable pump that converts mechanical energy of the high-efficiency motor 3 into hydraulic energy for outputting flow and pressure. The hydraulic pump assembly 1 is a power source of a hydraulic system and can provide continuous adjustment of pressure of 0 to 25 Mpa; the flow can reach 35L/min at most, and the flow can be continuously adjusted.
The high-efficiency motor 3 is connected with the hydraulic pump assembly 1, and the high-efficiency motor 3 is used for providing power for the hydraulic system, so that the working noise of the hydraulic system is reduced to the minimum, and the hydraulic system runs stably.
The integrated valve assembly 2 comprises an overflow valve, an unloading valve, a throttle valve, a temperature sensor, a pressure sensor and a flow sensor; the integrated valve assembly 2 integrates all control valves and sensor detection elements of a hydraulic system on one valve group, integrates an electric proportional control system for pressure and flow, and is convenient for field maintenance of users.
The electric control assembly comprises a controller; the temperature sensor, the pressure sensor and the flow sensor are respectively arranged on the first oil pipe, and the pressure sensor and the flow sensor are respectively connected with the input end of the controller; the output of the controller is connected with the integrated valve assembly 2 and the cooling system 6 in a control mode.
The cooling system 6 comprises a cold oil machine, and the cooling system 6 is connected with a hydraulic pump; the first oil pipe and the second oil pipe are used for being connected with a helicopter oil tank when the helicopter is subjected to oil charging/discharging. The fan is arranged in the oil cooler.
The hydraulic oil tank 5 is provided with a first pipeline and a second pipeline, and the shell of the hydraulic oil tank is provided with an oil inlet and an oil outlet; the water removal system 4 is connected with an oil inlet of the hydraulic oil tank 5 through a first pipeline, the water removal system 4 is connected with an oil outlet of the hydraulic oil tank 5 through a second pipeline, and the water removal system 4 is connected with a hydraulic pump.
The filtering component 7 is arranged on the first oil pipeline and is used for clarifying and filtering the hydraulic oil; the filter assembly 7 comprises a plate type filter, is small in size and light in weight, and is designed into a valve group form, so that daily maintenance is facilitated, and a filter element is replaced.
The shell is equipped with mobile device, control screen 31 and control button, and control screen 31 is used for showing each item monitoring data, and control button is used for carrying out operation control to hydraulic system, and mobile device includes a plurality of and removes the wheel. The overall size of the apparatus in both the first and second embodiments is controlled within the size range of 887 × 687 × 584 mm.
The second embodiment is small in size, and flexible movement of the equipment is facilitated by arranging the shell with the moving device. One-key operation is suitable for the infield security function. The second housing of this embodiment is also provided with a hatch 32 for storing cables and a hose hatch 33. When the infield security operation is carried out, the cabin door 32 for storing the cable is opened, and the cable is directly butted with the commercial power socket, so that the high-efficiency motor 3, the integrated valve component and the electric control component are supplied with power. And (3) opening the hose hatch door 33, taking out the mechanical alignment hose (namely the first oil pipe and the second oil pipe), butting the mechanical alignment hose with a valve on the helicopter, setting the pressure and flow required by the load of the helicopter, starting the hydraulic system, and executing the guarantee task of the hydraulic system of the helicopter. The second embodiment is the same as the first embodiment in the operation process when the chassis truck is installed. The first embodiment is additionally arranged on a chassis vehicle and is suitable for guaranteeing a hydraulic system of an outfield helicopter; the second embodiment is additionally arranged on the mobile platform and is suitable for infield security.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect: adopt energy-efficient motor drive proportion variable pump to carry out the operation, adopt electric proportional control's mode, intelligent degree is high, has optimized hydraulic system's installation space, with hydraulic system modularization, the miniaturization to add hydraulic system dewatering function, improved the reliability of equipment.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (5)
1. The ground maintenance equipment for the vehicle-mounted helicopter hydraulic system is characterized by comprising a hydraulic pump assembly (1), an integrated valve assembly (2), a high-efficiency motor (3), a water removal system (4), a hydraulic oil tank (5), a cooling system (6), a filter assembly (7) and an electric control assembly; the hydraulic pump assembly (1) comprises a hydraulic pump and a first oil pipe and a second oil pipe which are connected with the hydraulic pump, and the hydraulic pump converts mechanical energy of the high-efficiency motor (3) into hydraulic energy for outputting flow and pressure; the high-efficiency motor (3) is connected with the hydraulic pump assembly (1), and the high-efficiency motor (3) is used for providing power for a hydraulic system; the integrated valve assembly (2) comprises an overflow valve, an unloading valve, a throttle valve, a temperature sensor, a pressure sensor and a flow sensor; the electric control assembly comprises a controller; the temperature sensor, the pressure sensor and the flow sensor are respectively arranged on the first oil pipe, and the pressure sensor and the flow sensor are respectively connected with the input end of the controller; the output end of the controller is in control connection with the integrated valve assembly (2) and the cooling system (6); the filtering component (7) is arranged on the first oil pipeline and is used for clarifying and filtering the hydraulic oil; the cooling system (6) comprises a cold oil machine, and the cooling system (6) is connected with the hydraulic pump; the first oil pipe and the second oil pipe are used for being connected with a helicopter oil tank when the helicopter is subjected to oil charging/discharging.
2. The ground maintenance equipment of the vehicle-mounted helicopter hydraulic system according to claim 1, characterized in that the hydraulic oil tank (5) is provided with a first pipeline and a second pipeline, and the housing of the hydraulic oil tank is provided with an oil inlet and an oil outlet; the water removal system (4) is connected with an oil inlet of the hydraulic oil tank (5) through a first pipeline, the water removal system (4) is connected with an oil outlet of the hydraulic oil tank (5) through a second pipeline, and the water removal system (4) is connected with the hydraulic pump.
3. A vehicle-mounted helicopter hydraulic system ground maintenance apparatus according to claim 1 or 2, characterized in that the filter assembly (7) comprises a panel filter.
4. The vehicle-mounted helicopter hydraulic system ground maintenance device of claim 1, wherein a fan is provided within the oil chiller.
5. The vehicle mounted helicopter hydraulic system ground maintenance device of claim 1 or 4, wherein the hydraulic pump is a proportional variable pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322323.3U CN211844947U (en) | 2020-03-16 | 2020-03-16 | Ground maintenance equipment for vehicle-mounted helicopter hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322323.3U CN211844947U (en) | 2020-03-16 | 2020-03-16 | Ground maintenance equipment for vehicle-mounted helicopter hydraulic system |
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| CN211844947U true CN211844947U (en) | 2020-11-03 |
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| CN202020322323.3U Active CN211844947U (en) | 2020-03-16 | 2020-03-16 | Ground maintenance equipment for vehicle-mounted helicopter hydraulic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215826A (en) * | 2021-12-13 | 2022-03-22 | 中国铁道科学研究院集团有限公司 | Hydraulic system for oil maintenance and oil comprehensive maintenance device |
| RU2809868C1 (en) * | 2023-03-17 | 2023-12-19 | Общество с ограниченной ответственностью "Авиатехснаб" | Device of hydraulic system of small hydraulic unit and method of its application |
-
2020
- 2020-03-16 CN CN202020322323.3U patent/CN211844947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215826A (en) * | 2021-12-13 | 2022-03-22 | 中国铁道科学研究院集团有限公司 | Hydraulic system for oil maintenance and oil comprehensive maintenance device |
| RU2809868C1 (en) * | 2023-03-17 | 2023-12-19 | Общество с ограниченной ответственностью "Авиатехснаб" | Device of hydraulic system of small hydraulic unit and method of its application |
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