Load loading device for helicopter hydraulic oil vehicle

Abstract

The utility model belongs to the technical field of helicopter hydraulic systems, and discloses a load loading device for a helicopter hydraulic oil vehicle, which comprises a load loading valve, a first hydraulic conduit, a second hydraulic conduit, a first three-way joint, a second three-way joint, a pressure supply hose assembly and an oil return hose assembly, the load loading valve is provided with four ports, a 11A port is connected with a 1A port of a first three-way connector through a first hydraulic guide pipe, a 11D port is connected with a 1B port of the first three-way connector through a pressure supply hose assembly, and a 1C port of the first three-way connector is connected with the pressure supply end of a hydraulic oil vehicle. A 11C port of the load loading valve is connected with a 2A port of the second three-way valve through a second connecting guide pipe, a 11B port of the load loading valve is connected with a 2B port of the second three-way valve through an oil return hose assembly, and a 2C port of the second three-way valve is connected with the oil return end of the hydraulic oil vehicle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of helicopter hydraulic system, especially relates to a load loading device for helicopter hydraulic oil vehicle. BACKGROUND

[0002] The hydraulic oil vehicle provides hydraulic energy for the on-board hydraulic system when the hydraulic pump source on the helicopter does not work. The existing hydraulic oil vehicle has the following problems in use. 1. The hydraulic oil vehicle needs to be debugged and cleaned when it is connected to the on-board hydraulic system, and the on-board connecting hose needs to be installed and removed, which increases the workload of the operator and easily causes oil pollution to the helicopter, the ground or the ship surface. 2. The on-board connecting hose of the hydraulic oil vehicle cannot be filled with hydraulic oil before being connected to the helicopter, so a large amount of air in the hose will be brought into the helicopter hydraulic system after connection, causing oil pollution to the helicopter hydraulic system, and the helicopter hydraulic system needs to be systematically vented before formal work, increasing the maintenance workload; 3. When the hydraulic oil vehicle is inspected or daily maintained, only the hydraulic oil pump can be started to complete the running check under the condition of no load (zero pressure), and it is impossible to simulate various pressure and flow load conditions and carry out related test and detection work according to technical requirements. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a load loading device for helicopter hydraulic oil vehicle, which can simulate the load change of the helicopter hydraulic system without connecting the helicopter to the hydraulic oil vehicle, so as to train the operator to debug and accept the work.

[0004] TECHNICAL SCHEME

[0005] A load loading device for helicopter hydraulic oil vehicle, comprising: a load loading valve, a first hydraulic conduit, a second hydraulic conduit, a first three-way joint, a second three-way joint, a pressure supply hose assembly and an oil return hose assembly.

[0006] The load loading valve has four ports, the 11A port is connected to the 1A port of the first three-way joint through the first hydraulic conduit, the 11D port is connected to the 1B port of the first three-way joint through the pressure supply hose assembly, and the 1C port of the first three-way joint is connected to the pressure supply end of the hydraulic oil vehicle.

[0007] The 11C port of the load loading valve is connected to the 2A port of the second three-way valve through the second connecting conduit, the 11B port is connected to the 2B port of the second three-way valve through the oil return hose assembly, and the 2C port of the second three-way valve is connected to the oil return end of the hydraulic oil vehicle.

[0008] Further, the pressure supply hose assembly comprises: a first pressure supply quick-change female connector, a first pressure supply quick-change male connector, a pressure supply hose, a second pressure supply quick-change male connector and a second pressure supply quick-change female connector connected in sequence.

[0009] Further, the oil return hose assembly comprises: a first oil return quick-change female joint, a first oil return quick-change male joint, an oil return hose, a second oil return quick-change male joint and a second oil return quick-change female joint connected in sequence.

[0010] Further, the pressure supply quick-change female joint and the pressure supply quick-change male joint are detachable.

[0011] Further, the oil return quick-change female joint and the oil return quick-change male joint are detachable.

[0012] Further, the load loading valve is provided with a reversing switch for switching the connection of the 11A and 11C ports or the connection of the 11B and 11D ports.

[0013] In summary, the beneficial effects of the utility model are as follows:

[0014] The utility model relates to a load loading device for a helicopter hydraulic oil vehicle, and can be used for helicopter ground / ship surface support products such as a hydraulic oil vehicle or a hydraulic oil station, and the device is simple and reliable, has high integration, small volume, light weight and high reliability.

[0015] The utility model can operate the hydraulic oil vehicle before docking the helicopter, and avoids damaging the helicopter due to misoperation when docking the helicopter;

[0016] The utility model can train personnel under the condition that the helicopter is not docked, saves the work amount of operating personnel, and improves the comfort of operating personnel. DRAWINGS

[0017] Figure 1 It is a kind of load loading device for helicopter hydraulic oil vehicle schematic view. CONCRETE IMPLEMENTING METHOD

[0018] A load loading device for a helicopter hydraulic oil vehicle includes a pressure supply hose 1, a pressure supply quick-change male joint 2, a pressure supply quick-change female joint 3, a tee joint 4, a hydraulic conduit 5, an oil return quick-change female joint 6, an oil return quick-change male joint 7, an oil return hose 8, a tee joint 9, a hydraulic conduit 10 and a load loading valve 11, and is composed as shown in Figure 1 .

[0019] The high-pressure hydraulic oil of the hydraulic oil vehicle passes through the tee joint 4, one way through the hydraulic conduit 5 into the load loading valve 11A port, and the other way through the pressure supply quick-change female joint 3, the pressure supply quick-change male joint 2 and the pressure supply hose 1 into the load loading valve 11D port; similarly, the hydraulic oil one way through the load loading valve 11B port, the oil return quick-change female joint 6, the oil return quick-change male joint 7 and the oil return hose 8, and the other way through the load loading valve 11C port and the hydraulic conduit 10, and is merged back to the hydraulic oil vehicle through the tee joint 9.

[0020] Further, the pressure supply quick-change female connector 3 and the pressure supply quick-change male connector 2 at both ends of the pressure supply hose 1 can be detached, and the pressure supply hose 1 can be quickly detached and installed;

[0021] Further, the oil return quick-change female connector 6 and the oil return quick-change male connector 7 at both ends of the oil return hose 8 can be detached, and the pressure supply hose 8 can be quickly detached and installed;

[0022] Further, the load loading valve 11 is operated by an operator to realize hydraulic oil path switching: when the A port and the C port are connected, the B port and the D port are disconnected, and vice versa, the B port and the D port are connected, and the A port and the C port are disconnected;

[0023] Further, when the A port and the C port of the load loading valve 11 are connected or the B port and the D port are connected, the hydraulic pressure between the two oil ports can be changed by the operator controlling the electromagnetic valve electric signal, so as to simulate load loading;

[0024] Further, the D port connecting port of the pressure supply hose 1 and the load loading valve 11 can be detached, and then connected with the pressure supply maintenance port of the helicopter; the B port connecting port of the pressure supply hose 8 and the load loading valve 11 can be detached, and then connected with the oil return maintenance port of the helicopter.

[0025] 1The hydraulic oil vehicle and the pressure supply maintenance port and the oil return maintenance port of the helicopter can realize quick detachment and installation, and reduce hydraulic oil pollution;

[0026] 2The utility model realizes self-circulation of the hydraulic oil vehicle of the helicopter and quick switching of the function of the hydraulic oil vehicle hose docking the helicopter;

[0027] 3The utility model reduces the process caused by detaching the hydraulic hose, prevents the operator from contacting the hydraulic oil, and brings high-pressure oil injection danger;

[0028] 4The utility model realizes training and debugging and acceptance of the operator by simulating load change of the hydraulic system of the helicopter without docking the helicopter;

[0029] 5The utility model has an anti-misoperation design, avoids pipeline connection error, and causes damage to the hydraulic system of the helicopter;

[0030] 6The utility model has high integration, and can be installed on the hydraulic oil vehicle body of the helicopter;

[0031] 7The utility model can realize pressure maintaining and pressure releasing of the hydraulic oil vehicle of the helicopter;

[0032] 8The utility model improves the working efficiency of the hydraulic oil vehicle and the comfort of the operator.

[0033] The utility model discloses can reduce the operating personnel to hydraulic oil car and to machine flexible pipe installation and dismounting between back and forth switching workload, increase hydraulic oil car function, improve hydraulic oil car work efficiency, improve operating personnel comfort degree.

Claims

1. A load loading device for a helicopter hydraulic oil truck, characterized by: The device comprises: a load loading valve, a first hydraulic conduit, a second hydraulic conduit, a first three-way joint, a second three-way joint, a pressure supply hose assembly and an oil return hose assembly; the load loading valve is provided with four ports, the 11A port is connected to the 1A port of the first three-way joint through the first hydraulic conduit, the 11D port is connected to the 1B port of the first three-way joint through the pressure supply hose assembly, and the 1C port of the first three-way joint is connected to the pressure supply end of the hydraulic oil vehicle; the 11C port of the load loading valve is connected to the 2A port of the second three-way valve through the second connecting conduit, the 11B port is connected to the 2B port of the second three-way valve through the oil return hose assembly, and the 2C port of the second three-way valve is connected to the oil return end of the hydraulic oil vehicle.

2. The apparatus of claim 1, wherein: The pressure supply hose assembly comprises, in sequence, a first pressure supply quick-change female connector, a first pressure supply quick-change male connector, a pressure supply hose, a second pressure supply quick-change male connector and a second pressure supply quick-change female connector.

3. The apparatus of claim 1, wherein: The oil return hose assembly comprises, in sequence, a first oil return quick-change female connector, a first oil return quick-change male connector, an oil return hose, a second oil return quick-change male connector and a second oil return quick-change female connector.

4. The apparatus of claim 2, wherein: The pressure supply quick-change female connector and the pressure supply quick-change male connector are detachable.

5. The apparatus of claim 3, wherein: The oil return quick-change female connector and the oil return quick-change male connector are detachable.

6. The apparatus of claim 1, wherein: The load loading valve is provided with a reversing switch for switching the connection between the 11A port and the 11C port or the connection between the 11B port and the 11D port.

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