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CN108374891B - The vehicle block selecting automatic traveling crane system of main controller controls - Google Patents

The vehicle block selecting automatic traveling crane system of main controller controls Download PDF

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Publication number
CN108374891B
CN108374891B CN201810428228.9A CN201810428228A CN108374891B CN 108374891 B CN108374891 B CN 108374891B CN 201810428228 A CN201810428228 A CN 201810428228A CN 108374891 B CN108374891 B CN 108374891B
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CN
China
Prior art keywords
valve
mouth
solenoid valve
mouthfuls
block selecting
Prior art date
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Active
Application number
CN201810428228.9A
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Chinese (zh)
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CN108374891A (en
Inventor
不公告发明人
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Shanghai grand English intelligence Science and Technology Ltd.
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Shanghai Grand English Intelligence Science And Technology Ltd
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Priority to CN201810428228.9A priority Critical patent/CN108374891B/en
Publication of CN108374891A publication Critical patent/CN108374891A/en
Application granted granted Critical
Publication of CN108374891B publication Critical patent/CN108374891B/en
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Classifications

    • 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
    • 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
    • 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
    • F16H61/26—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Braking Systems And Boosters (AREA)
  • Regulating Braking Force (AREA)

Abstract

The vehicle block selecting automatic traveling crane system of main controller controls, 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 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, 1 mouthful of oil inlet P of the oil inlet P mouth of first solenoid valve and second solenoid valve is connected to, B mouthfuls of execution mouth of block selecting valve are 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 mouth of execution of first solenoid valve are connected to the rod chamber of throttle hydraulic cylinder, and the present invention can be such that vehicle switches in normally travel state with job state and can automatic traveling crane, easy to operate when the block selecting in job state.

Description

The vehicle block selecting automatic traveling crane system of main controller controls
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 of main controller controls.
Background technique
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 driving status and job state switch over and in job state block selecting can automatic traveling crane, easy to operate vehicle block selecting Automatic traveling crane system is very necessary.
Summary of the invention
The object of the present invention is to provide one kind to switch over and in normally travel state and job state in 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, 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 including the first solenoid valve, Two solenoid valves and control mechanism；
The oil inlet of the hydraulic pump is connected to by filter with fuel tank, and the oil outlet of hydraulic pump passes through two oily channel difference It is connected to 2 mouthfuls of oil inlet P of the oil inlet P mouth of block selecting valve and second solenoid valve, A mouthfuls of execution mouth of block selecting valve pass through three oily channels It is connected to respectively with 1 mouthful of oil inlet P of forward gear clutch, the oil inlet P mouth of the first solenoid valve and second solenoid valve, block selecting valve Mouth B mouthfuls is executed to be 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 of stopping brake valve A mouthfuls of 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 The rodless cavity of cylinder 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 The rodless cavity of master cylinder is connected to the rod chamber of throttle hydraulic cylinder, the piston rod of the throttle hydraulic cylinder and the accelerator rod of engine It is fixedly connected；
A mouthfuls of mouth of execution of first solenoid valve are connected to the rod chamber of throttle hydraulic cylinder, and first solenoid valve connects Line end and the terminals of second solenoid valve are electrically connected with control mechanism.
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 Electricity condition is being obtained by the terminals of the first solenoid valve of main controller controls and the terminals of second solenoid valve when closing the switch.
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 switch when control mechanism in opening state or open the button of control mechanism 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 driving status, 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 Mouth A mouthfuls with execution of 1 mouthful of oil inlet P of magnet valve communicates, and block selecting valve need to be only operated when driver is open to traffic, makes the oil inlet of block selecting valve Mouthfuls P mouthful with execution mouth A mouthfuls communicate, so that vehicle is hung 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 only need to be operated, i.e., optional forward gear, open out and releasing stop Vehicle braking, 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 to select It keeps off A mouthfuls of the execution mouth of valve and executes mouth B mouthfuls 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, can hang neutral gear, no longer open out and be 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.
Detailed description of the invention
Fig. 1 is the schematic diagram that control mechanism of the invention is switch and power supply；
Fig. 2 is the schematic diagram that control mechanism of the invention is button switch and master controller；
Fig. 3 is the schematic diagram of the vehicle block selecting of former vehicle, throttle and stopping brake.
Specific embodiment
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 including 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 channels It is connected to respectively with 2 mouthfuls of oil inlet P of the oil inlet P mouth of block selecting valve 5 and second solenoid valve 16, A mouthfuls of execution mouth of block selecting valve 5 pass through Three oily channels, 1 mouthful of oil inlet P with forward gear clutch 7, the oil inlet P mouth of the first solenoid valve 12 and second solenoid valve 16 respectively Connection, B mouthfuls of execution mouth of block selecting valve 5 are 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, stopping brake valve 15 A mouthfuls of mouth of execution be connected to the rod chamber of shut-down hydraulic cylinder 14, the piston rod 14-1 of shut-down hydraulic cylinder 14 and parking brake 13 Movable plate 13-1 be fixedly connected；Shut-down hydraulic cylinder 14, which controls the movement 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 mouth of execution of first solenoid valve 12 are 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 and master controller 24 are electric Connection is controlled the terminals of the first solenoid valve 12 and the wiring of second solenoid valve 16 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 makes the switch 21 of control mechanism 20 in opening state in normally travel state, or make control mechanism 20 Button switch 23 in opening state, the terminals of the terminals of the first solenoid valve 12 and 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, mouth A mouthfuls of 1 mouthful of the oil inlet P of second solenoid valve 16 and execution It is not communicated with, mouth A mouthfuls with execution of 2 mouthfuls of oil inlet P of second solenoid valve 16 communicates, and block selecting valve can be first operated when driver is open to traffic 5, communicate the oil inlet P mouth of block selecting valve 5 mouth A mouthfuls with execution, the pressure oil in hydraulic pump 3 enters forward gear clutch 7, vehicle Hang over forward gear；Then stopping brake valve 15 is operated, communicates the oil inlet P mouth of stopping brake valve 15 mouth A mouthfuls with execution, due to At this time 2 mouthfuls of the oil inlet P of second solenoid valve 16 with execute mouth A mouthfuls and communicate, the pressure oil in hydraulic pump 3 is after second solenoid valve 16 The rod chamber for arriving shut-down hydraulic cylinder 14 through parking brake valve 15 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 separated 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, is not communicated with the oil inlet P mouth of block selecting valve 5 with mouth B mouthfuls of mouth A mouthfuls of execution and execution, vehicle is hung over Neutral gear；Then stopping brake valve 15 is operated, communicates A mouthfuls of execution mouth of stopping brake valve 15 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 Drive the movable plate 13-1 of parking brake 13 in conjunction with stationary plate 13-2, vehicle is in parking brake condition, as long as therefore making to 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, 1 mouthful of the oil inlet P of second solenoid valve 16 with execution mouth A mouthfuls be not communicated with, second is electric Mouth A mouthfuls with execution of 2 mouthfuls of oil inlet P of magnet valve 16 communicates, 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 with execute mouth A mouthfuls communicate, make to 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, mouth A mouthfuls with execution of 1 mouthful of oil inlet P of second solenoid valve 16 communicates, 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 rod chamber of throttle hydraulic cylinder 11, the piston rod of throttle hydraulic cylinder 11 drive 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 parking 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 and stationary plate 13-2 of parking brake 13 be driven to divide From Parking braking release, vehicle starts running.Therefore block selecting valve 5 only need to be operated, i.e., optional forward gear, open out and releasing stop Vehicle braking, 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 mouth B mouthful communicated with fuel tank 1, i.e., the oil inlet P mouth of block selecting valve 5 with execution mouth A mouthfuls and It executes mouth B mouthfuls 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, which is stopped, returns to fuel tank 1 to block selecting valve 5 through second solenoid valve 16 after brake valve 15, makes the piston rod 14-1 of shut-down hydraulic cylinder 14 Drive the movable plate 13-1 of parking brake 13 in conjunction with stationary plate 13-2, vehicle braking, therefore need to only operate block selecting valve 5 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 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), oil Door hydraulic cylinder (11), parking brake (13), shut-down hydraulic cylinder (14) and stopping brake valve (15), the parking brake (13) Including movable plate (13-1) and stationary plate (13-2), it is characterised in that: 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 oil Channel is connected to 2 mouthfuls of oil inlet P of the oil inlet P mouth of block selecting valve (5) and second solenoid valve (16) respectively, and block selecting valve (5) are held A mouthfuls of row mouth pass through the three oily channels oil inlet P mouth and the second electromagnetism with forward gear clutch (7), the first solenoid valve (12) respectively 1 mouthful of oil inlet P connection of valve (16), B mouthfuls of execution mouth of block selecting valve (5) are connected to retreating gear clutch (6)；
A mouthfuls of execution mouth of the second solenoid valve (16) are connected to the oil inlet P mouth of stopping brake valve (15), stopping brake valve (15) A mouthfuls of execution mouth are connected to the rod chamber of shut-down hydraulic cylinder (14), the piston rod (14-1) of shut-down hydraulic cylinder (14) with stop The movable plate (13-1) of vehicle brake (13) is fixedly connected；
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), described Lubricating cup (10) is connected to the rodless cavity of throttle master cylinder (9) and mounting height of the lubricating cup (10) on vehicle is higher than throttle master cylinder (9) The rodless cavity of mounting height on vehicle, the throttle master cylinder (9) is connected to the rod chamber of throttle hydraulic cylinder (11), the oil The piston rod of door hydraulic cylinder (11) is fixedly connected with the accelerator rod of engine；
A mouthfuls of execution mouth of first solenoid valve (12) are connected to the rod chamber of throttle hydraulic cylinder (11), first solenoid valve (12) terminals of terminals and second solenoid valve (16) are electrically connected with control mechanism (20)；
The control mechanism (20) includes that switch (21) and power supply (22), the switch (21) are electrically connected with power supply (22)；
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 In.
CN201810428228.9A 2017-05-09 2017-05-09 The vehicle block selecting automatic traveling crane system of main controller controls Active CN108374891B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810428228.9A CN108374891B (en) 2017-05-09 2017-05-09 The vehicle block selecting automatic traveling crane system of main controller controls

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810428228.9A CN108374891B (en) 2017-05-09 2017-05-09 The vehicle block selecting automatic traveling crane system of main controller controls
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 (2)

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CN201810428668.4A Withdrawn CN108706011A (en) 2017-05-09 2017-05-09 Vehicle block selecting automatic traveling crane system and working method
CN201710323175.XA Expired - Fee Related CN107143541B (en) 2017-05-09 2017-05-09 The block selecting automatic traveling crane system of vehicle
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CN107143541B (en) 2018-06-19
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CN108757604B (en) 2019-11-12
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CN108591146A (en) 2018-09-28
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CN108757604A (en) 2018-11-06
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