CN108706011A - Vehicle block selecting automatic traveling crane system and working method - Google Patents

Vehicle block selecting automatic traveling crane system and working method Download PDF

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Publication number
CN108706011A
CN108706011A CN201810428668.4A CN201810428668A CN108706011A CN 108706011 A CN108706011 A CN 108706011A CN 201810428668 A CN201810428668 A CN 201810428668A CN 108706011 A CN108706011 A CN 108706011A
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CN
China
Prior art keywords
valve
solenoid valve
mouth
block selecting
mouthfuls
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Withdrawn
Application number
CN201810428668.4A
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Chinese (zh)
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不公告发明人
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Individual
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Individual
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Priority to CN201810428668.4A priority Critical patent/CN108706011A/en
Publication of CN108706011A publication Critical patent/CN108706011A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4165—Control of cooling or lubricating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/04—Driver's valves
    • B60T15/041—Driver's valves controlling auxiliary pressure brakes, e.g. parking or emergency brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4043—Control of a bypass valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure

Abstract

Vehicle block selecting automatic traveling crane system and working method, including fuel tank, filter, hydraulic pump, safety valve, block selecting valve, retreating gear clutch, forward gear clutch, accelerator pedal mechanism, throttle master cylinder, lubricating cup, throttle hydraulic cylinder, parking brake, shut-down hydraulic cylinder, first solenoid valve, second solenoid valve and control mechanism and stopping brake valve, the oil outlet of hydraulic pump is connected to 2 mouthfuls of the oil inlet P of the oil inlet P mouth of block selecting valve and second solenoid valve respectively, A mouthfuls of the execution mouth of block selecting valve respectively with forward gear clutch, the oil inlet P mouth of first solenoid valve is connected to for 1 mouthful with the oil inlet P of second solenoid valve, B mouthfuls of the execution mouth of block selecting valve is connected to retreating gear clutch；A mouthfuls of the execution mouth of second solenoid valve is connected to the oil inlet P mouth of stopping brake valve, A mouthfuls of the execution mouth of first solenoid valve is connected to the rod chamber of throttle hydraulic cylinder, and the present invention can be such that vehicle is switched over job state in normally travel state and can automatic traveling crane, easy to operate when the block selecting in job state.

Description

Vehicle block selecting automatic traveling crane system and working method
Technical field
The present invention relates to a kind of vehicles, and in particular to a kind of vehicle block selecting automatic traveling crane system and working method.
Background technology
Vehicle generally first selects forward gear, then releases stopping brake in normally travel state when driver is open to traffic It steps on the gas again, when that need to stop, throttle can be unclamped and selection and is braked at neutral gear, for need to often convert operating location and not With the distance between operating location and shorter working truck since its operating range is very short, and needs frequent during operation Parking continually operates throttle, gear and braking for driver, and operation is very inconvenient, therefore designing one kind can be just Normal transport condition switched over job state and in job state block selecting can automatic traveling crane, easy to operate vehicle block selecting Automatic traveling crane system is very necessary.
Invention content
The object of the present invention is to provide one kind to be switched over and in job state in normally travel state and job state When block selecting when can automatic traveling crane, easy to operate vehicle block selecting automatic traveling crane system.
To achieve the goals above, the technical scheme is that：
A kind of vehicle block selecting automatic traveling crane system, including fuel tank, filter, hydraulic pump, safety valve, block selecting valve, retreating gear clutch Device, forward gear clutch, accelerator pedal mechanism, throttle master cylinder, lubricating cup, throttle hydraulic cylinder, parking brake, shut-down hydraulic cylinder and Stopping brake valve, the parking brake include movable plate and stationary plate, and innovative point is：Further include the first solenoid valve, the second electricity Magnet valve and control mechanism；
The oil inlet of the hydraulic pump is connected to by filter with fuel tank, the oil outlet of hydraulic pump by two oily channels respectively with choosing The oil inlet P mouth of gear valve is connected to 2 mouthfuls of the oil inlet P of second solenoid valve, and A mouthfuls of the execution mouth of block selecting valve passes through three oily channel difference It is connected to 1 mouthful of the oil inlet P of forward gear clutch, the oil inlet P mouth of the first solenoid valve and second solenoid valve, the execution of block selecting valve B mouthfuls of mouth is connected to retreating gear clutch；
A mouthfuls of the execution mouth of the second solenoid valve is connected to the oil inlet P mouth of stopping brake valve, the execution mouth A of stopping brake valve Mouth is connected to the rod chamber of shut-down hydraulic cylinder, and the piston rod of shut-down hydraulic cylinder is fixedly connected with the movable plate of parking brake；
The piston rod of the throttle master cylinder is fixedly connected with the gas pedal of accelerator pedal mechanism, the lubricating cup and throttle master cylinder Rodless cavity is connected to and mounting height of the lubricating cup on vehicle is higher than mounting height of the throttle master cylinder on vehicle, the throttle master cylinder Rodless cavity be connected to the rod chamber of throttle hydraulic cylinder, the piston rod of the throttle hydraulic cylinder and the accelerator rod of engine are fixed Connection；
A mouthfuls of the execution mouth of first solenoid valve is connected to the rod chamber of throttle hydraulic cylinder, the terminals of first solenoid valve It is electrically connected with control mechanism with the terminals of second solenoid valve.
The control mechanism includes that switch and power supply, the switch are electrically connected to a power source.
The control mechanism includes button switch and master controller, and the button switch is electrically connected with master controller, button When switch is closed electricity condition is being obtained by the terminals of the first solenoid valve of main controller controls and the terminals of second solenoid valve.
Drainback passage is equipped between the oil outlet and fuel tank of the hydraulic pump, safety valve is arranged in the drainback passage.
Benefit of the invention is that：（1）Since the switch when control mechanism in opening state or makes the button of control mechanism open It closes in opening state, the terminals of the first solenoid valve and the terminals of second solenoid valve are in power failure state, and vehicle is just at this time Normal transport condition, when the switch of control mechanism in closed state or makes the button switch of control mechanism in closed state, the first electricity The terminals of magnet valve and the terminals of second solenoid valve electricity condition, vehicle is in job state at this time, therefore vehicle can be Normally travel state is switched over job state；（2）Due to when vehicle need to be in job state, the terminals of the first solenoid valve Electricity condition is being obtained with the terminals of second solenoid valve, the oil inlet P mouth of the first solenoid valve communicates for mouth A mouthfuls with execution, the second electricity 1 mouthful of the oil inlet P of magnet valve communicates for mouth A mouthfuls with execution, and block selecting valve need to be only operated when driver is open to traffic, makes the oil inlet of block selecting valve Mouth A mouthfuls with execution of P mouthfuls of mouth communicates, and vehicle is made to hang over forward gear；The pressure oil in hydraulic pump can also enter throttle hydraulic cylinder simultaneously Rod chamber, the piston rod of throttle hydraulic cylinder drives the accelerator rod movement of engine and open out；Pressure in hydraulic pump simultaneously Power oil can also enter the rod chamber of shut-down hydraulic cylinder, and the piston rod of shut-down hydraulic cylinder is made to drive the dynamic and static plate of parking brake Separation, Parking braking release, vehicle start running.Therefore block selecting valve need to only be operated, you can forward gear, open out and releasing is selected to stop Vehicle is braked, i.e., can automatic traveling crane, easy to operate when block selecting in job state.When that need to stop, block selecting valve only need to be operated, makes choosing It keeps off A mouthfuls of the execution mouth of valve and executes B mouthfuls of mouth and communicated with fuel tank 1, vehicle is hung in neutral gear；Throttle hydraulic cylinder is in spring simultaneously Act on the accelerator rod return that lower piston rod drives engine, i.e. no longer open out；Effect of the shut-down hydraulic cylinder in spring simultaneously Under, the pressure oil in shut-down hydraulic cylinder 14 returns to fuel tank, make shut-down hydraulic cylinder piston rod drive parking brake movable plate with Stationary plate combines, vehicle braking, therefore need to only operate block selecting valve, you can hangs neutral gear, no longer open out and is braked, i.e., in operation It is easy to operate when state.
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
Description of the drawings
Fig. 1 is the schematic diagram that the control mechanism of the present invention is switch and power supply；
Fig. 2 is that the control mechanism of the present invention is the schematic diagram of button switch and master controller；
Fig. 3 be the vehicle block selecting of former vehicle, throttle and stopping brake schematic diagram.
Specific implementation mode
As shown in Figure 1 and Figure 2, a kind of vehicle block selecting automatic traveling crane system, including fuel tank 1, filter 2, hydraulic pump 3, safety Valve 4, block selecting valve 5, retreating gear clutch 6, forward gear clutch 7, accelerator pedal mechanism 8, throttle master cylinder 9, lubricating cup 10, throttle liquid Cylinder pressure 11, parking brake 13, shut-down hydraulic cylinder 14 and stopping brake valve 15, the parking brake 13 include movable plate 13-1 With stationary plate 13-2, innovative point is：Further include the first solenoid valve 12, second solenoid valve 16 and control mechanism 20；
The oil inlet of the hydraulic pump 3 is connected to by filter 2 with fuel tank 1, and the oil outlet of hydraulic pump 3 passes through two oily channel difference It is connected to 2 mouthfuls of the oil inlet P of the oil inlet P mouth of block selecting valve 5 and second solenoid valve 16, A mouthfuls of the execution mouth of block selecting valve 5 passes through three oil Channel respectively with 1 mouthful of company of the oil inlet P of forward gear clutch 7, the oil inlet P mouth of the first solenoid valve 12 and second solenoid valve 16 Logical, B mouthfuls of the execution mouth of block selecting valve 5 is connected to retreating gear clutch 6；
A mouthfuls of the execution mouth of the second solenoid valve 16 is connected to the oil inlet P mouth of stopping brake valve 15, and stopping brake valve 15 is held A mouthfuls of row mouth is connected to the rod chamber of shut-down hydraulic cylinder 14, the piston rod 14-1 of shut-down hydraulic cylinder 14 and moving for parking brake 13 Piece 13-1 is fixedly connected；Shut-down hydraulic cylinder 14, which controls the action of parking brake 13, makes vehicle braking or brake release.
The piston rod 9-1 of the throttle master cylinder 9 is fixedly connected with the gas pedal 8-1 of accelerator pedal mechanism 8, the lubricating cup 10 be connected to the rodless cavity of throttle master cylinder 9 and mounting height of the lubricating cup 10 on vehicle be higher than peace of the throttle master cylinder 9 on vehicle Dress height, the rodless cavity of the throttle master cylinder 9 are connected to the rod chamber of throttle hydraulic cylinder 11, the piston of the throttle hydraulic cylinder 11 Bar is fixedly connected with the accelerator rod of engine；
A mouthfuls of the execution mouth of first solenoid valve 12 is connected to the rod chamber of throttle hydraulic cylinder 11, first solenoid valve 12 Terminals and the terminals of second solenoid valve 16 are electrically connected with control mechanism 20.
The control mechanism 20 includes switch 21 and power supply 22, and the switch 21 is electrically connected with power supply 22.This control machine The structure of structure 20 is simple, at low cost, and switch 21 is in closed state, the first terminals of solenoid valve 12 and connecing for second solenoid valve 16 Line end is obtaining electricity condition.
The control mechanism 20 includes button switch 23 and master controller 24, and the button switch 23 is electric with master controller 24 Connection is controlled the wiring of the terminals and second solenoid valve 16 of the first solenoid valve 12 by master controller 24 when button switch 23 is closed End is obtaining electricity condition.
Drainback passage is equipped between the oil outlet and fuel tank 1 of the hydraulic pump 3, safety valve 4 is arranged in the drainback passage.
When vehicle is in normally travel state, make the switch 21 of control mechanism 20 in opening state, or make control mechanism 20 Button switch 23 in opening state, the terminals of the first solenoid valve 12 and the terminals of second solenoid valve 16 in power failure state, The oil inlet P mouth of first solenoid valve 12 is not communicated with for mouth A mouthfuls with execution, 1 mouthful of the oil inlet P of second solenoid valve 16 and A mouthfuls of mouth of execution It is not communicated with, 2 mouthfuls of the oil inlet P of second solenoid valve 16 communicates for mouth A mouthfuls with execution, and block selecting valve can be first operated when driver is open to traffic 5, so that the oil inlet P mouth of block selecting valve 5 is communicated for mouth A mouthfuls with execution, the pressure oil in hydraulic pump 3 enters forward gear clutch 7, vehicle Hang over forward gear；Then operation stopping brake valve 15 makes the oil inlet P mouth of stopping brake valve 15 be communicated for mouth A mouthfuls with execution, due to 2 mouthfuls of the oil inlet P of second solenoid valve 16 communicates for mouth A mouthfuls with execution at this time, and the pressure oil in hydraulic pump 3 is after second solenoid valve 16 The rod chamber for arriving shut-down hydraulic cylinder 14 through the brake valve 15 that stops again, makes the piston rod 14-1 of shut-down hydraulic cylinder 14 drive stopping brake The movable plate 13-1 of device 13 is detached with stationary plate 13-2, Parking braking release；The gas pedal 8-1 of accelerator pedal mechanism 8 again, by The gas pedal 8-1 of accelerator pedal mechanism 8 drives the piston rod 9-1 of throttle master cylinder 9 to move right the rodless cavity for making throttle master cylinder 9 Hydraulic oil enter the rod chamber of throttle hydraulic cylinder 11, the piston rod of throttle hydraulic cylinder 11 drives the accelerator rod movement of engine And open out, vehicle start running.When that need to stop, the gas pedal 8-1 of accelerator pedal mechanism 8 is unclamped, throttle master cylinder 9 is in bullet Piston rod 9-1 is moved downward under the action of spring, and at this moment the hydraulic oil of the rodless cavity of throttle master cylinder 9 does not enter back into throttle hydraulic cylinder 11 Rod chamber, throttle hydraulic cylinder 11 under the action of the spring piston rod drive engine accelerator rod return, i.e., no longer refuel Door；Block selecting valve 5 is operated again, so that the oil inlet P mouth of block selecting valve 5 is not communicated with mouth A mouthfuls of execution and B mouthfuls of mouth of execution, vehicle is hung over Neutral gear；Then operation stopping brake valve 15, makes A mouthfuls of the execution mouth of stopping brake valve 15 be communicated with fuel tank 1, shut-down hydraulic cylinder 14 For pressure oil in rod chamber through 15 oil return box 1 of brake valve of stopping, shut-down hydraulic cylinder 14 makes piston rod 14-1 under the action of the spring The movable plate 13-1 of parking brake 13 is driven to be combined with stationary plate 13-2, vehicle is in parking brake condition, as long as therefore making control The switch 21 of mechanism 20 is in opening state, or makes the button switch 23 of control mechanism 20 in opening state, i.e. the first solenoid valve 12 Oil inlet P mouth with execute mouth A mouthful and be not communicated with, mouth A mouthfuls with execution of 1 mouthful of the oil inlet P of second solenoid valve 16 is not communicated with, and second is electric 2 mouthfuls of the oil inlet P of magnet valve 16 communicates for mouth A mouthfuls with execution, and vehicle is in normally travel state, vehicle block selecting, throttle and stopping brake As the function of former vehicle type structure, the operating mechanism of former vehicle is remained.
When vehicle in job state, need to make the oil inlet P mouth of stopping brake valve 15 and execute mouth A mouthfuls and communicate, make control The switch 21 of mechanism 20 is in closed state, or makes the button switch 23 of control mechanism 20 in closed state, the first solenoid valve 12 Terminals and the terminals of second solenoid valve 16 are obtaining electricity condition, the mouth A mouthfuls of phase of oil inlet P mouth and execution of the first solenoid valve 12 Logical, 1 mouthful of the oil inlet P of second solenoid valve 16 communicates for mouth A mouthfuls with execution, and block selecting valve 5 need to be only operated when driver is open to traffic, is made The oil inlet P mouth of block selecting valve 5 communicates for mouth A mouthfuls with execution, and the pressure oil in hydraulic pump 3 can enter forward gear clutch through block selecting valve 5 Device 7, makes vehicle hang over forward gear；The pressure oil in hydraulic pump 3 can also enter after block selecting valve 5 through the first solenoid valve 12 simultaneously The piston rod of the rod chamber of throttle hydraulic cylinder 11, throttle hydraulic cylinder 11 drives the accelerator rod of engine to move and open out；Together When hydraulic pump 3 in pressure oil can also after block selecting valve 5 through second solenoid valve 16 again through stop brake valve 15 arrive shut-down hydraulic cylinder 14 rod chamber makes the piston rod 14-1 of shut-down hydraulic cylinder 14 that the movable plate 13-1 of parking brake 13 and stationary plate 13-2 be driven to divide From Parking braking release, vehicle starts running.Therefore block selecting valve 5 need to only be operated, you can forward gear, open out and releasing is selected to stop Vehicle is braked, i.e., can automatic traveling crane, easy to operate when block selecting in job state.When that need to stop, block selecting valve 5 only need to be operated, is made A mouthfuls of the execution mouth of block selecting valve 5 and execute B mouthful of mouth communicated with fuel tank 1, i.e., the oil inlet P mouth of block selecting valve 5 with execution A mouthfuls of mouth and It executes B mouthfuls of mouth to be not communicated with, vehicle is hung in neutral gear；The pressure oil in hydraulic pump 3 will not be after block selecting valve 5 through first simultaneously Solenoid valve 12 enters the rod chamber of throttle hydraulic cylinder 11, and piston rod drives engine to throttle hydraulic cylinder 11 under the action of the spring Accelerator rod return, i.e. no longer open out；While shut-down hydraulic cylinder 14 is under the action of the spring, the pressure in shut-down hydraulic cylinder 14 Oil returns to fuel tank 1 through second solenoid valve 16 after the brake valve 15 that stops to block selecting valve 5, makes the piston rod 14-1 of shut-down hydraulic cylinder 14 The movable plate 13-1 of parking brake 13 is driven to be combined with stationary plate 13-2, vehicle braking, therefore need to only operate block selecting valve 5, you can It hangs neutral gear, no longer open out and is braked, i.e., it is easy to operate in job state.

Claims (1)

1. a kind of working method of vehicle block selecting automatic traveling crane system, vehicle block selecting automatic traveling crane system includes fuel tank（1）, filtering Device（2）, hydraulic pump（3）, safety valve（4）, block selecting valve（5）, retreating gear clutch（6）, forward gear clutch（7）, gas pedal Mechanism（8）, throttle master cylinder（9）, lubricating cup（10）, throttle hydraulic cylinder（11）, parking brake（13）, shut-down hydraulic cylinder（14）With stop Vehicle brake valve（15）, the parking brake（13）Including movable plate（13-1）And stationary plate（13-2）, it is characterised in that：Further include First solenoid valve（12）, second solenoid valve（16）And control mechanism（20）；
The hydraulic pump（3）Oil inlet pass through filter（2）With fuel tank（1）Connection, hydraulic pump（3）Oil outlet pass through two oil Channel respectively with block selecting valve（5）Oil inlet P mouth and second solenoid valve（16）The connection of 2 mouthfuls of oil inlet P, block selecting valve（5）Hold A mouthfuls of row mouth by three oily channels respectively with forward gear clutch（7）, the first solenoid valve（12）Oil inlet P mouth and the second electromagnetism Valve（16）The connection of 1 mouthful of oil inlet P, block selecting valve（5）B mouthfuls of execution mouth and retreating gear clutch（6）Connection；
The second solenoid valve（16）A mouthfuls of execution mouth and stopping brake valve（15）Oil inlet P mouth connection, stopping brake valve （15）A mouthfuls of execution mouth and shut-down hydraulic cylinder（14）Rod chamber connection, shut-down hydraulic cylinder（14）Piston rod（14-1）With stop Vehicle brake（13）Movable plate（13-1）It is fixedly connected；
The throttle master cylinder（9）Piston rod（9-1）With accelerator pedal mechanism（8）Gas pedal（8-1）It is fixedly connected, it is described Lubricating cup（10）With throttle master cylinder（9）Rodless cavity connection and lubricating cup（10）Mounting height on vehicle is higher than throttle master cylinder（9） Mounting height on vehicle, the throttle master cylinder（9）Rodless cavity and throttle hydraulic cylinder（11）Rod chamber connection, the oil Door hydraulic cylinder（11）Piston rod be fixedly connected with the accelerator rod of engine；
The working method, including：First solenoid valve（12）A mouthfuls of execution mouth and throttle hydraulic cylinder（11）Rod chamber Connection, first solenoid valve（12）Terminals and second solenoid valve（16）Terminals and control mechanism（20）It is electrically connected It connects；
The control mechanism（20）Including button switch（23）And master controller（24）, the button switch（23）With master controller （24）Electrical connection, button switch（23）By master controller when closure（24）Control the first solenoid valve（12）Terminals and second electricity Magnet valve（16）Terminals electricity condition；
When the button switch of control mechanism exists in opening state, the terminals of the first solenoid valve and the terminals of second solenoid valve Power failure state, vehicle is in normally travel state at this time, when make the button switch of control mechanism in closed state, the first solenoid valve Terminals and the terminals of second solenoid valve electricity condition, at this time vehicle job state, vehicle can be in normally travel shape State is switched over job state.
CN201810428668.4A 2017-05-09 2017-05-09 Vehicle block selecting automatic traveling crane system and working method Withdrawn CN108706011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810428668.4A CN108706011A (en) 2017-05-09 2017-05-09 Vehicle block selecting automatic traveling crane system and working method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810428668.4A CN108706011A (en) 2017-05-09 2017-05-09 Vehicle block selecting automatic traveling crane system and working method
CN201710323175.XA CN107143541B (en) 2017-05-09 2017-05-09 The block selecting automatic traveling crane system of vehicle

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201710323175.XA Division CN107143541B (en) 2017-05-09 2017-05-09 The block selecting automatic traveling crane system of vehicle

Publications (1)

Publication Number Publication Date
CN108706011A true CN108706011A (en) 2018-10-26

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Application publication date: 20181026