A kind of double-power working vehicle for railway tunnel
Affiliated technical field
The present invention relates to a kind of rolling stock, be specifically related to a kind of double-power working vehicle for railway tunnel.
Background technology
At present, domestic railway tunnel maintenance work car adopts diesel engine as power, and during operation, the waste gas of engine emission causes great harm to construction operation personnel's health in the tunnel.
Summary of the invention
The object of the present invention is to provide a kind of double-power working vehicle for railway tunnel that improves the environmental pollution of operation in the tunnel.
Technical scheme of the present invention comprises driver's cab, workplatform, one cover oil engine power plant, its diesel engine is connected with the front and back axle gear box through transmission shaft by change speed gear box, it is characterized in that: Operation Van also is equipped with a cover storage battery engine installation, storage battery is installed in the car body, battery-driven traveling pump motor is installed on the vehicle frame, the working barrel motor, air compressor motor, be provided with motor clutch case between change speed gear box and the front and back axle gear box, motor clutch case is provided with engaging and disengaging gear, the traveling motor is installed on it, the traveling motor is connected with the motor input shaft of motor clutch case, and motor clutch case output shaft is connected with transmission shaft and front and back axle gear box.Storage battery is to the power supply of traveling pump motor, driving traveling pump, and traveling pump and traveling motor constitute the traveling hydraulic efficiency pressure system,
The structure of the engaging and disengaging gear of motor clutch case of the present invention is: on the motor input shaft of motor clutch case cliding gear is arranged, on the motor clutch case output shaft output shaft gear is arranged, have in the motor clutch case and can make cliding gear and output shaft gear engagement and the shift fork that separates, shift fork is connected with cylinder and controls its action by cylinder, and cylinder is connected with Pneumatic brake systems.
Change speed gear box of the present invention is a hydraulic mechanical transmission box, and the working hydraulic pressure oil pump is installed on it, and the working hydraulic pressure oil pump is connected with the operation hydraulic efficiency pressure system.Be provided with in the change speed gear box by electric hydraulic control valve control combination and disengaged clutch, during disengaging of clutch, output shaft of gear-box can freely rotate with transmission shaft.
Described storage battery is connected with the traveling motor through traveling (oil) pump that DC machine drives.
Described storage battery is connected with the operation hydraulic efficiency pressure system through work (oil) pump that DC machine drives.
Described storage battery is connected with Pneumatic brake systems through the direct current drive air compressor.
Described diesel engine is connected with Pneumatic brake systems through air compressor.
Compared with prior art, the present invention adopts two cover engine installations, is respectively oil engine power plant and storage battery engine installation, and two cover engine installations can be changed mutually, moving outside the tunnel and adopting diesel engine is power, and operation adopts storage battery as power in the tunnel.In the tunnel during operation, can stop diesel engine, use storage battery in the tunnel, to carry out maintenance activity and operation, avoided the exhaust emission that the work of use diesel engine causes in the tunnel, have that engine emission waste gas improves the advantages such as environmental pollution of operation in the tunnel to operating personnel's health affected in the time of can improving in the tunnel maintenance activity.
Description of drawings
The embodiment that provides below in conjunction with accompanying drawing is described in further detail the present invention.
Fig. 1 is a profile scheme drawing of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is a transmission arrangement plan of the present invention.
Fig. 4 is motor clutch box structure figure of the present invention.
Fig. 5 is electric drive system figure of the present invention.
The specific embodiment
Among Fig. 1,1 is driver's cab, and 2 is vehicle frame, and 3 is workplatform.
Among Fig. 2, the present invention is equipped with two cover engine installations.Oil engine power plant is arranged in the exterior hood of Operation Van's driver's cab, diesel engine 8 rear portions are equipped with hydraulic mechanical transmission box 5, working hydraulic pressure oil pump 6 is installed on the hydraulic mechanical transmission box 5, when high-speed cruising and operation, start diesel engine 8, axle gear box before and after the power of diesel engine 8 is outputed to through transmission shaft by hydraulic mechanical transmission box 5 drives Operation Van's operation.Diesel engine 8 front ends drive air compressor 9 by belt pulley, for car brakeing provides pressurized air.An other cover engine installation is the storage battery engine installation, and a cover storage battery 4 is installed in the driver's cab, and the traveling hydraulic oil pump (being called for short the traveling pump) that the traveling DC machine drives is installed under driver's indoor floor.When Operation Van did not work, adopting battery charger was storage battery 4 chargings.7 is hydraulic reservoir.10 is electric air compressor.
Among Fig. 3, in the oil engine power plant, 9 is air compressor.Diesel engine is connected with front and back axle gear box 11 through transmission shaft 12 by hydraulic mechanical transmission box 5, the working hydraulic pressure oil pump 6 that promising operation hydraulic efficiency pressure system provides hydraulic oil is installed on the hydraulic mechanical transmission box 5, hydraulic mechanical transmission box 5 inside are provided with oil pump, electric hydraulic control valve and hydraulic clutch, under the situation of diesel engine starting, oil pump work pressure oil output in the hydraulic mechanical transmission box 5, by the combination of electric hydraulic control valve modulated pressure power-transfer clutch, make hydraulic mechanical transmission box 5 work, the output shaft outputting power of change speed gear box, when diesel engine is not worked, its in-to-in oil pump is pressure oil output not, power-transfer clutch separates under action of the spring, and output shaft of gear-box can freely rotate with transmission shaft 12.The present invention also is equipped with a cover storage battery engine installation, be provided with motor clutch case 13 between hydraulic mechanical transmission box 5 and the front and back axle gear box 11, motor clutch case 13 is provided with engaging and disengaging gear, the traveling motor that the operation of promising Operation Van provides power is installed on it, storage battery forms the traveling hydraulic efficiency pressure system for the power supply of traveling pump motor, traveling pump and traveling motor, the traveling motor is connected with the motor input shaft of motor clutch case 13, and motor clutch case output shaft is connected with transmission shaft 12 and front and back axle gear box 11.
Among Fig. 4, on the motor input shaft 17 of motor clutch case cliding gear 16 is arranged, on the motor clutch case output shaft 20 output shaft gear 21 is arranged, have in the motor clutch case and can make cliding gear 16 and output shaft gear 21 engagements and the shift fork 15 that separates, shift fork 15 is connected with cylinder 14 and by cylinder 14 its actions of control, cylinder 14 is connected with Pneumatic brake systems.19 is output flange.Axle gear box engages with output shaft gear by cliding gear on the air operated control realization motor input shaft and separates.18 are the traveling motor.
Among Fig. 5, battery charger is a battery charge, storage battery drives traveling pump motor, working barrel motor and air compressor motor respectively: storage battery drives the traveling pump by the traveling pump motor, for the traveling motor provides hydraulic oil, make Operation Van's operation by the motor input shaft of traveling motor driven motor clutch case, motor clutch case and axle gear box work; The working barrel of storage battery by there being the DC operation pump motor to drive,, the operation hydraulic efficiency pressure system makes the operation hydraulic work system for providing hydraulic oil; Storage battery by air compressor motor drive direct current drive Air compressor (air compressor), braking provides pressurized air to make Pneumatic brake systems work during for operation.
The present invention adopts two cover engine installations, during operation, adopts diesel powered high-speed cruising and tunnel outside, employing hydromechanical drive form, and the oil pump of Working mechanism hydraulic efficiency pressure system is driven by change speed gear box.In the tunnel, during operation, provide power, drive traveling pump motor, working barrel motor and air compressor motor respectively by storage battery.The traveling pump motor drives traveling hydraulic efficiency pressure system hydraulic pressure traveling pump, drives Operation Van's operation by traveling motor driven motor clutch case, transmission shaft, axle gear box.Working barrel provides hydraulic oil for the job platform hydraulic system of working.Air compressor motor drives Air compressor, for Operation Van's braking provides pressurized air.