CN218431800U - Deicing vehicle with one-key return function - Google Patents

Abstract

The utility model relates to an ice removing vehicle with one-key return function, which solves the technical problems that after the ice removing operation of the existing airplane ice removing vehicle is finished, an operator controls an aerial working arm to withdraw to an initial position, the operation action is slow, the misoperation probability is large, the labor intensity of the operator is large, the arm frame is slow in recovery speed and long in recovery time; the utility model discloses an electric automobile chassis, the power battery group, high altitude construction device, deicing sprinkler system, deicing fluid tank, folding arm angle sensor, a section arm angle sensor, the sensor of acting as go-between, revolving stage angle encoder and cantilever crane key return switch, high altitude construction device is including operating compartment, folding arm, two sections arms, a section arm, the revolving stage, the hydraulic pump, folding arm pneumatic cylinder, two sections flexible pneumatic cylinders of arm, a section arm lifting hydraulic cylinder, the cantilever crane control valves, revolving stage hydraulic motor, the gyration is supported, drive gear and driven gear.

Description

Deicing vehicle with one-key return function

Technical Field

The utility model relates to an airport ground service equipment technical field particularly, relates to an deicing vehicle with a key return function.

Background

An airplane deicing vehicle is one of necessary airplane operation safety guarantee vehicles for airports and airlines in cold regions. In case of severe weather such as rain, snow, frost and the like, the icing and frost condition appears on the surface of the airplane, and the airplane must be required to carry out deicing operation before taking off in order to ensure the flight safety. The working principle of the airplane deicing vehicle is that heated deicing fluid is sprayed on the surface of an airplane to remove ice, so that the safe operation of the airplane is guaranteed.

Referring to the utility model patent with the grant publication number of CN215098345U, the name of intelligent electric aircraft deicing vehicle, the current electric aircraft deicing vehicle utilizes electric vehicle chassis, electric heating system heating deicing fluid. The existing electric airplane deicing vehicle comprises an electric automobile chassis, a power battery pack, an electric control system, an overhead working device, a deicing spraying system, an anti-icing spraying system, a deicing liquid tank and an anti-icing liquid tank.

The deicing operation is carried out on the airplane by using the heated deicing liquid, the high-altitude operation arm is controlled by an operator in the operation cabin to reach a part of the airplane, which needs to be deiced, to control the deicing spray gun to carry out the airplane deicing operation, and after the deicing operation is finished, the high-altitude operation arm is controlled by the operator to be retracted to an initial position, the deicing vehicle is evacuated.

Disclosure of Invention

The utility model discloses just after solving current aircraft deicing vehicle deicing operation, operating personnel control high altitude construction arm withdraws the initial position process, and the operation action is slow, and the maloperation probability is great, and operator intensity of labour is great, and the cantilever crane recovery speed is slow, longe technical problem provides a deicing vehicle with a key return function.

The utility model provides an ice removing vehicle with one-key return function, which comprises an electric vehicle chassis, a power battery pack, an overhead working device, an ice removing spraying system and an ice removing liquid tank, wherein the power battery pack, the overhead working device, the ice removing liquid tank and the ice removing spraying system are all connected on a chassis girder of the electric vehicle chassis, the overhead working device comprises an operation cabin, a folding arm, a two-section arm, a one-section arm, a rotary table, a hydraulic pump, a hydraulic cylinder of the folding arm, a two-section arm telescopic hydraulic cylinder, a one-section arm lifting hydraulic cylinder, an arm frame control valve group, a rotary table hydraulic motor, a rotary support, a driving gear and a driven gear, a control system is arranged in the operation cabin, the control system is provided with an arm frame controller, the chassis girder of the electric vehicle chassis is connected with a stand column, the rotary support comprises an outer ring and an inner ring, the outer ring is provided with teeth, the outer ring is fixedly connected to the top of the stand column, the rotary table is fixedly connected with the inner ring of the rotary support, the rotary table is provided with a disc part, a rotary table hydraulic motor is fixedly connected with the disc part of the rotary table, a driving gear is fixedly connected with an output shaft of the rotary table hydraulic motor, the driving gear is meshed with the teeth on the outer ring of the rotary support, a hydraulic pump is fixedly connected to a chassis girder of an electric automobile chassis, an output port of the hydraulic pump is connected with an arm support control valve group, the arm support control valve group is fixedly connected to the chassis girder of the electric automobile chassis, the arm support control valve group is respectively connected with a folding arm hydraulic cylinder, a two-section arm telescopic hydraulic cylinder, a one-section arm lifting hydraulic cylinder and the rotary table hydraulic motor through hydraulic pipelines, and the arm support control valve group is electrically connected with an arm support controller; the cylinder body of the one-section arm lifting hydraulic cylinder is connected with the rotary table through a hinge shaft, and the output end of the one-section arm lifting hydraulic cylinder is connected with the one-section arm through the hinge shaft; the cylinder body of the two-section arm telescopic hydraulic cylinder is fixed in the first section arm, and the output end of the two-section arm telescopic hydraulic cylinder is connected with the second section arm; the cylinder body of the folding arm hydraulic cylinder is connected with the front end of the two-section arm through a hinge shaft, the output end of the folding arm hydraulic cylinder is hinged with the folding arm,

the deicing vehicle with the one-key return function further comprises a folding arm angle sensor, a one-section arm angle sensor, a stay wire sensor, a rotary table angle encoder and an arm frame one-key return switch, wherein the folding arm angle sensor is connected with the folding arm, the one-section arm angle sensor is connected with the one-section arm, the stay wire sensor is arranged between the two-section arm and the one-section arm, the stay wire sensor comprises a body, a stay wire end and a stay wire fixing rod, the body of the stay wire sensor is fixedly connected to the one-section arm, the stay wire fixing rod is fixedly connected with the two-section arm, and the stay wire end of the stay wire sensor is fixedly connected to the stay wire fixing rod; the rotary table angle encoder is fixedly connected with a disc part of the rotary table, the driven gear is fixedly connected with a rotor of the rotary table angle encoder, and the driven gear is meshed with teeth on an outer ring of the rotary support; the folding arm angle sensor, the one-section arm angle sensor, the stay wire sensor and the rotary table angle encoder are respectively connected with the arm frame controller through signal wires; the operation cabin is provided with an operation table, the arm support one-key return switch is arranged on the operation table, and the arm support one-key return switch is electrically connected with the arm support controller.

Preferably, the deicing vehicle with the one-key return function further comprises a heating device, the heating device comprises a first tee joint, a first electromagnetic ball valve, a radiator, a hose, a second electromagnetic ball valve, a second tee joint and a controller, the first tee joint is connected with a deicing spray pipeline in a deicing spray system, the first electromagnetic ball valve is connected with the first tee joint, the first electromagnetic ball valve is connected with an inlet of the radiator through the hose, the second tee joint is connected with a deicing liquid conveying pipeline, an outlet of the second electromagnetic ball valve is connected with the second tee joint, an outlet of the radiator is connected with an inlet of the second electromagnetic ball valve through a pipeline, the radiator is arranged in the cab, the controller is arranged in the cab, the first electromagnetic ball valve is connected with the controller through a cable, and the second electromagnetic ball valve is connected with the controller through a cable.

The beneficial effects of the utility model are that, reduced operator's intensity of labour, improved cantilever crane recovery rate, shortened cantilever crane recovery time, improved work efficiency, avoided operator maloperation.

Further features and aspects of the present invention will become apparent from the following description of specific embodiments with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of an electric aircraft deicing vehicle in the prior art;

FIG. 2 is a schematic structural view of the ice removing vehicle of the present invention;

FIG. 3 is a top view of the structure shown in FIG. 2;

FIG. 4 is a schematic view of the mounting structure of the pull wire sensor;

FIG. 5 is a schematic illustration of a state of the deicing vehicle for deicing an aircraft.

FIG. 6 is a schematic illustration of the aerial work apparatus in an extended position;

FIG. 7 is a top view of the structure shown in FIG. 6;

FIG. 8 is a schematic view of the structure in which the turntable is mounted on the column via a pivoting support;

FIG. 9 is a view of the mounting position of the rotary table angle encoder of FIG. 8;

FIG. 10 is a schematic view of a heating device installed on the ice removing vehicle;

FIG. 11 is a schematic view showing a configuration in which a fuel heater is mounted on an ice removing vehicle.

The symbols in the drawings illustrate that:

100. the system comprises an electric automobile chassis, 200 power battery packs, 300 high-altitude operation devices, 500 deicing spray systems, 600 anti-icing spray systems, 700 anti-icing liquid tanks and 800 anti-icing liquid tanks; 1. the hydraulic control system comprises an operation cabin, 2 folding arms, 3 folding arm angle sensors, 4 two sections of arms, 5 stay wire sensors, 6 sections of arms, 7 sections of arm angle sensors, 8 sections of rotary table angle encoders, 9 sections of rotary tables, 9-1 sections of discs, 10 operation tables, 11 arm frame controllers, 12 hydraulic pumps, 13 arm frame control valve groups, 14 rotary table hydraulic motors, 15 sections of arm lifting hydraulic cylinders, 16 sections of arm telescopic hydraulic cylinders, 17 folding arm hydraulic cylinders, 30 columns, 31 rotary supports, 31-1 outer rings, 32 driving gears and 33 driven gears, wherein the operation cabin is provided with a hydraulic control system, a hydraulic control system and a hydraulic control system;

the deicing system comprises an overflow valve 1A, a deicing liquid heating device 2A, a deicing spray pipeline 3A, a first tee joint 4A, a first electromagnetic ball valve 5A, a radiator 6A, a water inlet pipeline 7A, a temperature sensor 8A, a deicing pump 9A, a second electromagnetic ball valve 10A, a deicing liquid conveying pipeline 12A, a return pipeline 13A, a hose 14A, a pipeline 15A and a second tee joint 16A.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description of the preferred embodiments with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the electric airplane deicing vehicle comprises an electric vehicle chassis 100, a power battery pack 200, an aerial work device 300, a deicing spray system 500, an anti-icing spray system 600, a deicing fluid tank 700 and an anti-icing fluid tank 800, wherein the power battery pack 200, the aerial work device 300, the deicing fluid tank 700, the anti-icing fluid tank 800, the deicing spray system 500 and the anti-icing spray system 600 are all connected to a chassis girder of the electric vehicle chassis 100. The deicing fluid tank 700 is connected to the spray lines in the aerial work device 300 via the deicing spray system 500. The anti-icing fluid tank 800 is connected to the spraying pipe in the aerial work device 300 through the anti-icing spraying system 600. It should be noted that the anti-icing spray system 600 and the anti-icing liquid tank 800 are not essential devices, and the deicing operation can be normally performed without the anti-icing spray system 600 and the anti-icing liquid tank 800.

The control system is arranged on an operation table 10 in the operation cabin 1 and is used for controlling the deicing vehicle to work. The control system is provided with a battery management module, the battery management module is electrically connected with the power battery pack 200, and the battery management module supplies power to the deicing fluid spraying system 500, the anti-icing fluid spraying system 600, the aerial working device 300, the electric automobile chassis 100 and other power utilization units. The control system is provided with an arm support controller 11, and the arm support controller 11 is used for controlling the high-altitude operation device 300 to act.

As shown in fig. 2 and 3, the aerial working device 300 includes an operation cabin 1, a folding arm 2, a two-section arm 4, a one-section arm 6, a turntable 9, a hydraulic pump 12, a folding arm hydraulic cylinder 17, a two-section arm telescopic hydraulic cylinder 16, a one-section arm lifting hydraulic cylinder 15, an arm support control valve group 13, and a turntable hydraulic motor 14, wherein an upright column 30 is fixedly mounted on a chassis girder of the electric vehicle chassis 100, as shown in fig. 8 and 9, a rotary support 31 includes an outer ring 31-1 and an inner ring, the outer ring 31 is provided with teeth, the outer ring 31 is fixedly mounted on the top of the upright column 30, the turntable 9 is fixedly mounted on the inner ring of the rotary support 31, a disc portion 9-1 is provided on the turntable 9 at a position close to the rotary support 31, the turntable hydraulic motor 14 is fixedly mounted on the disc portion 9-1, a driving gear 32 is fixedly connected with an output shaft of the turntable hydraulic motor 14, the driving gear 32 is engaged with the teeth on the outer ring 31-1, the driving gear 32 is operated to drive the turntable 9 to rotate, and the outer ring 31 is stationary, and the turntable 9 rotates (in a normal condition that the turntable 9 rotates at most). The hydraulic pump 12 is fixedly installed on a chassis girder of the electric vehicle chassis 100, and the hydraulic pump 12 provides hydraulic power for the boom actions such as one-section boom lifting, two-section boom stretching, folding boom amplitude variation, turntable rotation and the like. The output port of the hydraulic pump 12 is connected with the boom control valve group 13. The arm support control valve group 13 is fixedly installed on a chassis girder of the electric vehicle chassis 100, the arm support control valve group 13 is respectively connected with the folding arm hydraulic cylinder 17, the two-section arm telescopic hydraulic cylinder 16, the one-section arm lifting hydraulic cylinder 15 and the rotary table hydraulic motor 14 through hydraulic pipelines, and the hydraulic pump 12 and the arm support control valve group 13 are installed on the chassis girder of the electric vehicle chassis 100 through bolts. The cylinder body of the one-section arm lifting hydraulic cylinder 15 is connected with the rotary table 9 through a hinge shaft, and the output end of the one-section arm lifting hydraulic cylinder 15 is connected with the one-section arm 6 through the hinge shaft; the cylinder body of the two-section arm telescopic hydraulic cylinder 16 is fixed in the one-section arm 6, and the output end of the two-section arm telescopic hydraulic cylinder 16 is connected with the two-section arm 4 through a hinge shaft; the cylinder body of the folding arm hydraulic cylinder 17 is connected with the front end of the two-section arm 4 through a hinge shaft, and the output end of the folding arm hydraulic cylinder 17 is hinged with the folding arm 2. The arm support control valve group 13 is electrically connected with the arm support controller 11.

The structural description of the electric airplane deicing vehicle is the prior art and is not repeated.

The technical improvement of the utility model lies in: a folding arm angle sensor 3 is installed on the folding arm 2 through a bolt, and a section of arm angle sensor 7 is installed on a section of arm 6 through a bolt; a stay wire sensor 5 is arranged between the two-section arm 4 and the one-section arm 6, as shown in fig. 4, a body of the stay wire sensor 5 is mounted on the one-section arm 6 through a bolt, and a stay wire end of the stay wire sensor 5 is fixedly mounted on a stay wire fixing rod 5-1 (the stay wire fixing rod 5-1 is fixedly mounted on the two-section arm 4) through a nut. The folding arm angle sensor 3, the one-section arm angle sensor 7 and the stay wire sensor 5 are respectively connected with and communicated with an arm support controller 11 through signal wires. The folding arm angle sensor 3 can measure the angle of the folding arm 2 after being unfolded by the driving of the folding arm hydraulic cylinder 17, and the one-section arm angle sensor 7 can measure the angle of the one-section arm 6 after being unfolded by the driving of the one-section arm lifting hydraulic cylinder 15. As shown in fig. 8 and 9, the turntable angle encoder 8 is fixed on the disk portion 9-1 of the turntable 9 by bolts, the driven gear 33 is fixedly connected with the rotor of the turntable angle encoder 8, the driven gear 33 is meshed with the teeth on the outer ring 31-1 of the rotation support 31, when the turntable 9 rotates, the disk portion 9-1 rotates, and the rotor of the turntable angle encoder 8 rotates due to the meshing of the driven gear 33 and the outer ring 31-1, and the turntable angle encoder 8 performs detection work. The rotary table angle encoder 8 is connected and communicated with the arm support controller 11 through a signal line. When the rotary table 9 rotates, the driven gear 33 synchronously rotates, an angle value detected by the rotary table angle encoder 8 is transmitted to the arm support controller 11 through an electric signal, and the arm support controller 11 obtains the rotation angle of the rotary table 9. The operation table 10 is provided with a boom one-key return switch, the boom one-key return switch is used for controlling the boom to return, and the boom one-key return switch is electrically connected with the boom controller 11. When the deicing vehicle is at the initial position shown in fig. 2, the boom controller 11 sets the angle value detected by the folding arm angle sensor 3, the angle value detected by the one-section arm angle sensor 7, the length value detected by the pull wire sensor 5, and the angle value detected by the turntable angle encoder 8 to 0 point, respectively; then, the deicing vehicle carries out deicing operation on the airplane, as shown in fig. 5, a worker operates in the operation cabin 1 to enable the high-altitude operation device 300 to act, the operation cabin 1 is enabled to be close to the position of the airplane needing deicing, and different deicing positions determine the rotation angle of the rotary table 9, the stroke of the one-section arm lifting hydraulic cylinder 15, the stroke of the two-section arm telescopic hydraulic cylinder and the stroke of the folding arm hydraulic cylinder 17; therefore, the rotation angle of the turn table 9, the stroke of the one-arm lift hydraulic cylinder 15, the stroke of the two-arm telescopic hydraulic cylinder, and the stroke of the folding arm hydraulic cylinder 17 during the deicing operation are not fixed and random. When the boom recovery is needed after the deicing operation of the deicing vehicle is finished (at the moment, the boom is in an unfolded state shown in fig. 6), a boom one-key return switch is opened, the boom one-key return switch sends a signal to a boom controller 11, a folding arm angle sensor 3 detects an angle value A of the position of a folding arm 2 in real time, a stay wire sensor 5 detects a length value B of the position of a two-section arm 4 in real time, a one-section arm angle sensor 7 detects an angle value C of the position of a one-section arm 6 in real time, a turntable angle encoder detects an angle value D of the position of a turntable 9 in real time, data A, B, C, D is sent to the boom controller 11, the boom controller 11 sends a control instruction to a boom control valve group 13 to control the retraction of an output end of a folding arm hydraulic cylinder 17, the retraction of an output end of a two-section arm telescopic hydraulic cylinder, the retraction of a one-section arm lifting hydraulic cylinder 15 and the reverse rotation of a hydraulic motor 14, the boom controller 11 compares the real-time detected data A, B, C, D with a preset value 0, until the angle value data a detected by the folding arm angle sensor 3 is equal to 0, and the length value B detected by the pull wire sensor 5 is equal to 0, and the angle value C detected by the arm angle sensor 7 is equal to 0, and the angle value D detected by the turret angle encoder is equal to 0, the boom controller 11 stops sending a control instruction to the boom control valve group 13, so that the folding arm hydraulic cylinder 17 stops operating, the two-section arm telescopic hydraulic cylinder stops operating, the one-section arm lifting hydraulic cylinder 15 stops operating, the turret hydraulic motor 14 stops operating, at this time, the boom returns to the initial position shown in fig. 2, and the boom one-key returning process ends. In the signal judgment, when the four conditions of a =0, b =0, c =0 and D =0 are simultaneously satisfied, the control command signal sent by the boom controller 11 to the boom control valve group 13 is cut off.

Therefore, the operation of returning the arm support to the initial position is very convenient, the arm support is quickly recovered, the time is short, and the arm support can be accurately recovered. Greatly reducing the labor intensity of operators. The automatic return stops the occurrence of misoperation of an operator.

It should be noted that the folding arm angle sensor 3 may specifically be a tilt sensor (e.g., a tilt sensor model INX360D-F99-I2E2-V15 by becafur corporation).

It should be noted that the arm angle sensor 7 may specifically be a tilt sensor (e.g., a tilt sensor model INX360D-F99-I2E2-V15 by becafur corporation).

Example 2

For the folding arm angle sensor 3, the first-section arm angle sensor 7, the pull wire sensor 5 and the turntable angle encoder 8 in the embodiment 1, another application can be realized, a display screen is installed on the operation console 10, the display screen is electrically connected with the arm support controller 11, the arm support controller 11 sends data A, B, C, D to the display screen, the movement angle value of the folding arm 2, the length value of the position of the second-section arm 4, the movement angle value of the first-section arm 6 and the rotation angle value of the turntable 9 are displayed on the display screen, the display screen can accurately reflect the movement state of the arm support, and an operator can observe the data on the display screen to accurately control the operation.

Just to another technical problem among the prior art (aircraft deicing vehicle carries out deicing operation in the airport in winter, the airport is spacious in, convection current is great, deicing vehicle operation in-process, automobile chassis's warm braw system from taking heats slowly, in addition receive the influence of cold wind, driver's cabin warm braw system temperature is difficult to rise to the required temperature of driver's cabin heating, lead to the unable normal work of driver's cabin warm braw system, driver's cabin temperature is in below zero usually, operating personnel need wear thick and heavy cotton-padded clothes to defend cold, the comfort level is not good, influence normal driving operation, be unfavorable for safe operation), deicing sprinkler system 500 is equipped with deicing fluid heating device, deicing fluid heating device is used for heating the deicing fluid that gets into deicing sprinkler system 500. As shown in fig. 10, an inlet of a deicing pump 9A is connected to a deicing fluid tank 700 through a deicing fluid delivery line 12A, an outlet of the deicing pump 9A is connected to a water inlet line 7A of a deicing fluid heating device 2A through a pipeline, deicing fluid in the deicing fluid tank 700 is sent to the deicing fluid heating device 2A through the deicing pump 9A and the pipeline to be heated during deicing operation, the heated deicing fluid is sprayed to the surface of an aircraft through a deicing spray line 3A in a deicing spray system 500 to deice the aircraft, and when spraying is not required, the heated deicing fluid flows back to the deicing fluid tank 700 through an overflow valve 1A and a return line 13A. The output of the deicing fluid heating device 2A has two paths, namely a first output port and a second output port. The inlet of the overflow valve 1A is connected with the first output port of the deicing fluid heating device 2A, one end of the return line 13A is connected with the outlet of the overflow valve 1A, and the other end of the return line 13A is connected with the deicing fluid tank 700. And a second output port of the deicing liquid heating device 2A is connected with the deicing spraying pipeline 3A. These are prior art, and the improvement of adding the heating function lies in: a first tee joint 4A, a first electromagnetic ball valve 5A, a radiator 6A, a second electromagnetic ball valve 10A and a second tee joint 16A are additionally arranged, the deicing spraying system 500 is provided with a deicing spraying pipeline 3A, the first tee joint 4A is connected with the deicing spraying pipeline 3A, the first electromagnetic ball valve 5A is connected with the first tee joint 4A (one pipeline is divided out on the deicing spraying pipeline 3A through the first tee joint 4A and is connected with the first electromagnetic ball valve 5A), the first electromagnetic ball valve 5A is connected with an inlet of the radiator 6A arranged in the cab through a hose 14A, the second tee joint 16A is installed on a deicing liquid conveying pipeline 12A (one pipeline is divided out on the deicing liquid conveying pipeline 12A through the tee joint), an outlet of the second electromagnetic ball valve 10A is connected with the second tee joint 16A, an outlet of the radiator 6A is connected with an inlet of the second electromagnetic ball valve 10A through a pipeline 15A, and the radiator 6A is installed in the cab 101. First electromagnetic ball valve 5A passes through the cable and is connected with the controller that sets up in the driver's cabin, second electromagnetic ball valve 10A passes through the cable and is connected with this controller, after deicing car starts deicing fluid heating device 2A, when needs improve the driver's cabin temperature, first electromagnetic ball valve 5A of controller instruction and second electromagnetic ball valve 10A open, deicing fluid after the heating gets into radiator 6A through hose 14A and heats the air in the driver's cabin (deicing fluid that radiator 6A flows out passes through second electromagnetic ball valve 10A after and gets into deicing fluid conveying pipeline 12A through second tee bend 16A again), after heating a period, if need not close first electromagnetic ball valve 5A of controller instruction and second electromagnetic ball valve 10A to the driver's cabin heating then. Therefore, the temperature generated by the heating device exchanges heat with the cab, the temperature of the cab is increased, the comfort level of operators is improved, the device has a small volume, the heat of the deicing liquid of the deicing vehicle is exchanged for supplying heat to the cab, the cost is low, and the performance is reliable. In addition, a temperature sensor 8A may be disposed in the cab, the temperature sensor 8A is adhered to an instrument desk of the cab, the temperature sensor 8A is connected to a controller disposed in the cab 101 through a signal line, the first electromagnetic ball valve 5A is connected to the controller disposed in the cab through a cable, the second electromagnetic ball valve 10A is connected to the controller through a cable, after the deicing vehicle starts the deicing fluid heating device 2A, the temperature sensor 8A detects the cab temperature, when the cab temperature is lower than a set temperature, the controller instructs the first electromagnetic ball valve 5A and the second electromagnetic ball valve 10A to open, the heated deicing fluid enters the radiator 6A through a pipeline to heat the cab, when the temperature sensor 8A detects that the cab temperature is higher than the set temperature, the controller instructs the first electromagnetic ball valve 5A and the second electromagnetic ball valve 10A to close, the radiator 6A stops operating, the cab heating stops, and when the cab temperature is lower than the set temperature as time increases, the first electromagnetic ball valve 5A and the second electromagnetic ball valve 10A open again. The radiator 6A may specifically employ a radiator coil.

In order to solve another technical problem, when the existing electric airplane deicing vehicle heats deicing fluid, external commercial power is needed to provide power for a heating system, the heating power is high, the load of a power grid in the heating process is large, and the power required by the heating deicing vehicle of the pure electric airplane deicing vehicle cannot be met under the condition that the power consumption of part of airports is in short supply, so that the technical improvement of a deicing fluid fuel oil heating device is increased, the deicing fluid fuel oil heating device is powered by a battery, the external commercial power is not needed to be connected to the deicing fluid fuel oil heating device, the load on the power grid is not increased in the heating process, the normal operation of the deicing vehicle is ensured under the condition that the power consumption of airports is in short supply, the problem that the electric airplane deicing vehicle is limited by insufficient airport power is solved, the current situation of airports is adapted, and the electric operation of the airplane deicing vehicle is promoted rapidly; the intelligent heating device has the advantages of being fast in heating, low in equipment cost, high in intelligent degree and the like. The deicing fluid fuel oil heating device is arranged on a chassis crossbeam of the electric automobile chassis 1. And the battery management module provides a working power supply for the fuel oil heating device for the deicing fluid. As shown in figure 11, the fuel oil heating device for deicing fluid comprises a fuel oil heater 23-1, a temperature sensor 23-2 and a flow sensor 23-3, wherein a deicing fluid tank 700 is connected with a water inlet of the fuel oil heater 23-1 through a pump and a corresponding pipeline, a water outlet of the fuel oil heater 23-1 is connected with a deicing fluid spraying pipeline of a deicing spraying system through a pipeline, one temperature sensor 23-2 is arranged at the water inlet of the fuel oil heater 23-1, the other temperature sensor 23-2 is arranged at the water outlet of the fuel oil heater 23-1, the flow sensor 23-3 is arranged at the water inlet of the fuel oil heater, the fuel oil heater 23-1 is provided with an electric control fan 23-4, an electric control fuel oil pump 23-5 and an electric control fuel oil pressure regulating valve 23-6, the electric control fan 23-4 is used for conveying air necessary for combustion into the fuel oil heating device, and the electric control fuel oil pump 23-5 is used for conveying fuel oil to the fuel oil heating device. The fuel heater 23-1 is provided with a fuel input pipeline, and the electric control fuel pressure regulating valve 23-6 is arranged on the fuel input pipeline. The two temperature sensors 23-2 are respectively connected with a controller in the cab through signal lines, the flow sensor 23-3 is connected with the controller in the cab through signal lines, and the controller automatically acquires information such as inlet and outlet temperature and flow in the fuel heater 23-1. The controller controls the starting and stopping of the fuel oil heating device for the deicing fluid, when the fuel oil heating device works, the deicing fluid is input from a water inlet of the fuel oil heater 23-1, external fuel oil is fed into a combustion chamber of the fuel oil heater 23-1 from a fuel oil input pipeline of the fuel oil heater 23-1, the controller adjusts the rotating speed of the electric control fan 23-4 and the rotating speed of the electric control fuel oil pump 23-5, the fuel oil is combusted in the combustion chamber to generate heat to heat the deicing fluid, the controller adjusts the pressure of the electric control fuel oil pressure adjusting valve 23-6 to achieve the purpose of adjusting the fuel oil input quantity and further controlling the heating power, and finally the temperature of the deicing fluid output from a water outlet of the fuel oil heater 23-1 is adjusted (a temperature sensor at the water outlet of the fuel oil heater 23-1 detects the actual temperature of the heated deicing fluid in real time), so that the heated deicing fluid reaches the required temperature. The deicing fluid can be quickly heated. Therefore, the additionally arranged fuel oil heating device has the advantages of energy conservation, environmental protection, low energy consumption, quick heating, low equipment cost, high intelligent degree and the like.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.

Claims (2)

1. An ice removing vehicle with a one-key return function comprises an electric vehicle chassis, a power battery pack, an overhead working device, an ice removing spraying system and an ice removing liquid tank, wherein the power battery pack, the overhead working device, the ice removing liquid tank and the ice removing spraying system are all connected to a chassis girder of the electric vehicle chassis; the cylinder body of the one-section arm lifting hydraulic cylinder is connected with the rotary table through a hinge shaft, and the output end of the one-section arm lifting hydraulic cylinder is connected with the one-section arm through the hinge shaft; the cylinder body of the two-section arm telescopic hydraulic cylinder is fixed in the first section arm, and the output end of the two-section arm telescopic hydraulic cylinder is connected with the second section arm; the cylinder body of folding arm pneumatic cylinder is connected through the front end of hinge and two section arms, and the output of folding arm pneumatic cylinder is articulated with folding arm, its characterized in that:

the deicing vehicle with the one-key return function further comprises a folding arm angle sensor, a one-section arm angle sensor, a pull wire sensor, a rotary table angle encoder and an arm frame one-key return switch, wherein the folding arm angle sensor is connected with the folding arm, the one-section arm angle sensor is connected with the one-section arm, the pull wire sensor is arranged between the two-section arm and the one-section arm, the pull wire sensor comprises a body, a pull wire end and a pull wire fixing rod, the body of the pull wire sensor is fixedly connected to the one-section arm, the pull wire fixing rod is fixedly connected with the two-section arm, and the pull wire end of the pull wire sensor is fixedly connected to the pull wire fixing rod; the rotary table angle encoder is fixedly connected with a disc part of the rotary table, the driven gear is fixedly connected with a rotor of the rotary table angle encoder, and the driven gear is meshed with teeth on an outer ring of the rotary support; the folding arm angle sensor, the one-section arm angle sensor, the stay wire sensor and the rotary table angle encoder are respectively connected with the arm frame controller through signal wires; the operation cabin is provided with an operation table, the arm support one-key return switch is arranged on the operation table, and the arm support one-key return switch is electrically connected with the arm support controller.

2. The deicing vehicle with the one-key return function according to claim 1, further comprising a heating device, wherein the heating device comprises a first tee joint, a first electromagnetic ball valve, a radiator, a hose, a second electromagnetic ball valve, a second tee joint and a controller, the first tee joint is connected with a deicing spray pipeline in a deicing spray system, the first electromagnetic ball valve is connected with the first tee joint, the first electromagnetic ball valve is connected with an inlet of the radiator through the hose, the second tee joint is connected with a deicing liquid conveying pipeline, an outlet of the second electromagnetic ball valve is connected with the second tee joint, an outlet of the radiator is connected with an inlet of the second electromagnetic ball valve through a pipeline, the radiator is arranged in a cab, the controller is arranged in the cab, the first electromagnetic ball valve is connected with the controller through a cable, and the second electromagnetic ball valve is connected with the controller through a cable.

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