CN108253135B - Flame-out and the gear linkage of vehicle - Google Patents

Flame-out and the gear linkage of vehicle Download PDF

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Publication number
CN108253135B
CN108253135B CN201810098983.5A CN201810098983A CN108253135B CN 108253135 B CN108253135 B CN 108253135B CN 201810098983 A CN201810098983 A CN 201810098983A CN 108253135 B CN108253135 B CN 108253135B
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China
Prior art keywords
valve
mouthfuls
mouth
gear
cylinder
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Application number
CN201810098983.5A
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CN108253135A (en
Inventor
袁菊花
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Zhejiang Yixiang Plastic Mould Co., Ltd.
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Zhejiang Yixiang Plastic Mould Co Ltd
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Priority to CN201810098983.5A priority Critical patent/CN108253135B/en
Publication of CN108253135A publication Critical patent/CN108253135A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/02Control 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 characterised by the signals used
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation 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
    • F16H61/30Hydraulic or pneumatic motors or related fluid control means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/04Smoothing ratio shift
    • F16H2061/0481Smoothing ratio shift during range shift from drive (D) or reverse (R) to neutral (N)

Abstract

A kind of flame-out and gear linkage of vehicle, including gas bag, first manual reversal valve, flame-out cylinder, cylinder, the second hand-operated direction valve, gear valve, forward gear clutch, reverse drive gear clutch, hydraulic pump, fuel tank, solenoid directional control valve, the first check valve, first pressure sensor, second one-way valve, switch, master controller and second pressure sensor;First manual reversal valve is connected to the rodless cavity of flame-out cylinder and second pressure sensor respectively;Solenoid directional control valve is connected to the second hand-operated direction valve;A mouthfuls of mouth of execution of second hand-operated direction valve are connected to the rodless cavity of second one-way valve and cylinder respectively, and B mouthfuls of mouth of execution of the second hand-operated direction valve are connected to the rod chamber of the first check valve and cylinder respectively;First check valve and second one-way valve are connected to first pressure sensor;First pressure sensor, switch, second pressure sensor and solenoid directional control valve are electrically connected with master controller.The present invention is hung on neutral gear automatically after capable of making vehicle stall.

Description

Flame-out and the gear linkage of vehicle
Technical field
The present invention relates to a kind of vehicle, in particular to flame-out and the gear linkage of a kind of vehicle.
Background technique
Vehicle is after flame-out, it is desirable that hangs over the gear of vehicle on neutral gear, vehicle is not when restarting after such vehicle stall It can go here and there or shrink back forward, often will appear after vehicle stall still on drive shift or reverse drive gear in practice, at this moment vehicle is again Vehicle will go here and there or shrink back forward when starting, can thus cause danger.
The flame-out mechanism of the prior art is as shown in Fig. 2, include gas bag 50, first manual reversal valve 51 and flame-out cylinder 52; P mouthfuls of air inlet of first manual reversal valve 51 are connected to gas bag 50;A mouthfuls of the execution mouth of first manual reversal valve 51 and flame-out cylinder 52 rodless cavity connection, the cylinder body of flame-out cylinder 52 are fixedly connected in the rack of diesel engine, the piston rod for the cylinder 52 that stops working with The flame-out pull rod of diesel engine is fixedly connected.When driver operate first manual reversal valve 51, make first manual reversal valve 51 into With when executing mouth A mouthful and communicating, the pressed gas in gas bag 50 enters the rodless cavity of flame-out cylinder 52, flame-out cylinder 52 for P mouthfuls of port Piston rod release, engine misses.
The gear mechanism of the prior art is as shown in figure 3, include gas bag 50, cylinder 60, the second hand-operated direction valve 61, gear valve 62, forward gear clutch 63, reverse drive gear clutch 64, hydraulic pump 66 and fuel tank 68, P mouthfuls of the air inlet of the second hand-operated direction valve 61 Be connected to gas bag 50, A mouthfuls of the execution mouth of the second hand-operated direction valve 61 and execute mouth B mouthfuls respectively with the rodless cavity of cylinder 60 and have bar Chamber connection, the piston rod 60-1 of cylinder 60 are fixedly connected with the valve rod 62-1 of gear valve 62.The oil inlet P mouth and liquid of gear valve 62 Press pump 66 be connected to, A mouthful of the execution mouth of gear valve 62 and execution mouth B mouthfuls respectively with forward gear clutch 63 and reverse drive gear clutch 64 Connection.When communicating with mouth A mouthfuls of execution for P mouthfuls of air inlet of the second hand-operated direction valve 61, the pressed gas of gas bag 50 enters cylinder 60 rodless cavity, the piston rod 60-1 of cylinder 60 drive the valve rod 62-1 of gear valve 62 mobile, make the oil inlet P mouth of gear valve 62 It is communicated with executing mouth A mouthfuls, the pressure oil in hydraulic pump 66 enters forward gear clutch 63, combines forward gear clutch 63, vehicle It hangs on drive shift;When being communicated with mouth B mouthfuls of execution for P mouthfuls of air inlet of the second hand-operated direction valve 61, the pressure gas of gas bag 50 Body enters the rod chamber of cylinder 60, and the piston rod 60-1 of cylinder 60 drives the valve rod 62-1 of gear valve 62 mobile, makes gear valve 62 Oil inlet P mouth with execute mouth B mouthfuls communicate, the pressure oil in hydraulic pump 66 enters reverse drive gear clutch 64, makes reverse drive gear clutch Device 64 combines, and vehicle is hung on reverse drive gear;P mouthfuls of air inlet when the second hand-operated direction valve 61 are equal with mouth A mouthfuls of execution and execution mouth B When being not communicated with, the pressed gas of gas bag 50 can neither enter the rodless cavity of cylinder 60, can not enter the rod chamber of cylinder 60, make The oil inlet P mouth of gear valve 62 is not communicated with executing mouth A mouthfuls and execution mouth B, and the pressure oil in hydraulic pump 66 can neither enter Forward gear clutch 63 can not enter reverse drive gear clutch 64, make forward gear clutch 63 and reverse drive gear clutch 64 not It can combine, vehicle is hung on neutral gear.
Summary of the invention
It is an object of the invention to propose that a kind of flame-out rear vehicle can hang over the flame-out and gear of the vehicle on neutral gear automatically Linkage.
In order to achieve the above objectives, the present invention adopts the following technical scheme that: a kind of flame-out and gear linkage of vehicle, packet Include gas bag, first manual reversal valve, flame-out cylinder, cylinder, the second hand-operated direction valve, gear valve, forward gear clutch, reverse drive gear Clutch, hydraulic pump and fuel tank;The cylinder has piston rod;The gear valve has valve rod;The piston rod of the cylinder with The valve rod of gear valve is fixedly connected;P mouthfuls of air inlet of the first manual reversal valve are connected to gas bag;The oil inlet of the gear valve Mouthfuls P mouthful are connected to the oil outlet of hydraulic pump, mouth B mouthfuls of A mouthfuls of the execution mouth of gear valve and execution respectively with forward gear clutch and after Move back a grade clutch connection;The oil inlet of the hydraulic pump is connected to fuel tank;
Further include solenoid directional control valve, the first check valve, first pressure sensor, second one-way valve, switch, master controller and Second pressure sensor;The master controller has signal input part and signal output end;The first pressure sensor, switch Signal output end is all had with second pressure sensor;A mouthfuls of the execution mouth of the first manual reversal valve respectively with flame-out cylinder Rodless cavity be connected to the air control port of second pressure sensor;P mouthfuls of air inlet of the solenoid directional control valve are connected to gas bag, electromagnetism A mouthfuls of the execution mouth of reversal valve is connected to P mouthfuls of air inlet of the second hand-operated direction valve;The execution mouth A of second hand-operated direction valve Mouthful be connected to respectively with the rodless cavity of the air inlet of second one-way valve and cylinder, B mouthfuls of the execution mouth of the second hand-operated direction valve respectively with The air inlet of first check valve is connected to the rod chamber of cylinder;The gas outlet of first check valve and the outlet of second one-way valve Mouth is connected to the air control port of first pressure sensor;Signal output end, the signal of switch of the first pressure sensor are defeated The signal output end of outlet and second pressure sensor is electrically connected with the signal input part of master controller;The solenoid directional control valve Terminals K be electrically connected with the signal output end of master controller;Pressure at first pressure sensor and second pressure sensor It when power reaches setting value, is obtained by the terminals K of main controller controls solenoid directional control valve electric, makes the air inlet P of solenoid directional control valve Mouth is not communicated with for mouth A mouthfuls with execution;When a switch is on, by the terminals K power loss of main controller controls solenoid directional control valve, make electromagnetism Mouth A mouthfuls with execution of P mouthfuls of air inlet of reversal valve communicates.
It further include oil filter;The oil filter is arranged on fuel tank to the oily channel of the oil inlet of hydraulic pump.
It further include safety valve;The safety valve is arranged on the oil outlet to the oily channel of fuel tank of hydraulic pump.
The present invention have following good effect: (1) due to A mouthfuls of the execution mouth of first manual reversal valve of the invention respectively with The rodless cavity of flame-out cylinder is connected to the air control port of second pressure sensor;P mouthfuls of air inlet of solenoid directional control valve are connected to gas bag, A mouthfuls of the execution mouth of solenoid directional control valve is connected to P mouthfuls of air inlet of the second hand-operated direction valve;The execution mouth A of second hand-operated direction valve Mouthful be connected to respectively with the rodless cavity of the air inlet of second one-way valve and cylinder, B mouthfuls of the execution mouth of the second hand-operated direction valve respectively with The air inlet of first check valve is connected to the rod chamber of cylinder;The gas outlet of first check valve and the gas outlet of second one-way valve are equal It is connected to the air control port of first pressure sensor;The signal output end of first pressure sensor, the signal output end of switch and The signal output end of two pressure sensors is electrically connected with the signal input part of master controller;The terminals K of solenoid directional control valve with The signal output end of master controller is electrically connected, and the pressure at first pressure sensor and second pressure sensor reaches setting It when value, is obtained by the terminals K of main controller controls solenoid directional control valve electric, makes P mouthfuls of the air inlet of solenoid directional control valve and execute mouth A mouthfuls Be not communicated with, thus when vehicle stall, the gear of vehicle still hangs over drive shift or reverse drive gear, i.e. the second hand-operated direction valve into P mouthfuls of port communicate with mouth B mouthfuls of mouth A mouthfuls of execution or execution, and at this moment the pressed gas in gas bag enters the rodless cavity of cylinder or has bar Chamber, vehicle are hung on drive shift or reverse drive gear, while the pressed gas in gas bag enters the air control port of first pressure sensor, this When first pressure sensor at pressure reach setting value 0.1MPa.In this way at first pressure sensor and second pressure sensor Pressure reach setting value, the terminals K of main controller controls solenoid directional control valve obtains electric, P mouthfuls of the air inlet of solenoid directional control valve It is not communicated with executing mouth A mouthfuls, at this moment, the pressed gas in gas bag cannot enter back into the rodless cavity of cylinder, and cylinder has bar at this time Chamber cannot also enter back into the rod chamber of cylinder without the pressed gas in pressed gas or gas bag, at this time the rodless cavity of cylinder There is no pressed gas, i.e. the rod chamber of cylinder and rodless cavity does not have pressed gas, at this moment the oil inlet P mouth of gear valve with hold Mouth B mouthfuls of A mouthfuls of row mouth and execution are not communicated with, and the pressure oil in hydraulic pump not can enter forward gear clutch, can not enter Reverse drive gear clutch, forward gear clutch and reverse drive gear clutch cannot combine, and vehicle is hung on neutral gear automatically.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure;
Fig. 2 is the schematic diagram of the flame-out mechanism of the prior art;
Fig. 3 is the schematic diagram of the gear mechanism of the prior art.
Appended drawing reference in above-mentioned attached drawing is as follows: solenoid directional control valve 1, the first check valve 2, first pressure sensor 3, second Check valve 4, switch 5, master controller 6, second pressure sensor 7, gas bag 50, first manual reversal valve 51, flame-out cylinder 52, gas Cylinder 60, piston rod 60-1, the second hand-operated direction valve 61, gear valve 62, valve rod 62-1, forward gear clutch 63, reverse drive gear clutch Device 64, safety valve 65, hydraulic pump 66, oil filter 67, fuel tank 68.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
As shown in Figure 1, a kind of flame-out and gear linkage of vehicle, including gas bag 50, first manual reversal valve 51, put out It is internal heat cylinder 52, cylinder 60, the second hand-operated direction valve 61, gear valve 62, forward gear clutch 63, reverse drive gear clutch 64, hydraulic Pump 66 and fuel tank 68;The cylinder 60 has piston rod 60-1;The gear valve 62 has valve rod 62-1;The work of the cylinder 60 Stopper rod 60-1 is fixedly connected with the valve rod 62-1 of gear valve 62;P mouthfuls of the air inlet of the first manual reversal valve 51 and gas bag 50 Connection;First manual reversal valve 51 can be the reversal valve with reset function.The oil inlet P mouth of the gear valve 62 with it is hydraulic Mouth B mouthfuls of the oil outlet connection of pump 66, A mouthful of the execution mouth of gear valve 62 and execution respectively with forward gear clutch 63 and reverse drive gear from Clutch 64 is connected to;The oil inlet of the hydraulic pump 66 is connected to fuel tank 68;
Gear valve 62 in the present embodiment is a kind of reversal valve, when the rodless cavity of cylinder 60 has pressed gas, cylinder 60 piston rod 60-1 pushes the valve rod 62-1 of gear valve 62 mobile, communicates 62 oil inlet P mouth of gear valve mouth A mouthfuls with execution, Pressure oil in this way in hydraulic pump 66 enters forward gear clutch 63 through gear valve 62, and forward gear clutch 63 combines, and vehicle is hung On drive shift;When the rod chamber of cylinder 60 has pressed gas, the piston rod 60-1 of cylinder 60 pushes the valve of gear valve 62 Bar 62-1 is mobile, communicates 62 oil inlet P mouth of gear valve mouth B mouthfuls with execution, the pressure oil in such hydraulic pump 66 is through gear valve 62 enter reverse drive gear clutch 64, and reverse drive gear clutch 64 combines, and vehicle is hung on reverse drive gear;When the rod chamber and nothing of cylinder 60 When rod cavity does not have pressed gas, 62 oil inlet P mouth of gear valve is not communicated with mouth B mouthfuls of mouth A mouthfuls of execution and execution, hydraulic pump Pressure oil in 66 not can enter forward gear clutch 63, can not enter reverse drive gear clutch 64, forward gear clutch 63 It cannot be combined with reverse drive gear clutch 64, vehicle is hung on neutral gear.
It further include solenoid directional control valve 1, the first check valve 2, first pressure sensor 3, second one-way valve 4, switch 5, master control Device 6 and second pressure sensor 7 processed;The master controller 6 has signal input part and signal output end;The first pressure passes Sensor 3, switch 5 and second pressure sensor 7 all have signal output end;A mouthfuls of the execution mouth of the first manual reversal valve 51 It is connected to respectively with the air control port of the rodless cavity of flame-out cylinder 52 and second pressure sensor 7;The air inlet of the solenoid directional control valve 1 P mouthfuls are connected to gas bag 50, and P mouthfuls of air inlet of A mouthfuls of the execution mouth of solenoid directional control valve 1 and the second hand-operated direction valve 61 are connected to;It is described A mouthfuls of mouth of execution of second hand-operated direction valve 61 are connected to the rodless cavity of the air inlet of second one-way valve 4 and cylinder 60 respectively, and second B mouthfuls of the execution mouth of hand-operated direction valve 61 is connected to the rod chamber of the air inlet of the first check valve 2 and cylinder 60 respectively;Described first The gas outlet of check valve 2 and the gas outlet of second one-way valve 4 are connected to the air control port of first pressure sensor 3;Described first The signal output end of the signal output end of pressure sensor 3, the signal output end of switch 5 and second pressure sensor 7 with master The signal input part of controller 6 is electrically connected;The terminals K and the signal output end of master controller 6 of the solenoid directional control valve 1 are electrically connected It connects;Master controller 6 is PLC programmable logic controller (PLC), the model Mitsubishi F × 3U or siemens PLC of master controller 6. Switch 5 is the button switch with reset function.Pressure at first pressure sensor 3 and second pressure sensor 7 reaches When to setting value, obtained by the terminals K that master controller 6 controls solenoid directional control valve 1 it is electric, make solenoid directional control valve 1 P mouthful of air inlet and Mouth A mouthfuls is executed to be not communicated with;When switch 5 is connected, the terminals K power loss of solenoid directional control valve 1 is controlled by master controller 6, makes electromagnetism Mouth A mouthfuls with execution of P mouthfuls of air inlet of reversal valve 1 communicates.
The terminals K of solenoid directional control valve 1 is power failure state under normal conditions, i.e., under normal circumstances, the air inlet of solenoid directional control valve 1 Mouthfuls P mouthful with execution mouth A mouthfuls communicate, the pressure at first pressure sensor 3 and second pressure sensor 7 reaches setting value When, electric, at this moment P mouthful of the air inlet of solenoid directional control valve 1 and execution mouth are obtained by the terminals K that master controller 6 controls solenoid directional control valve 1 A mouthfuls are not communicated with, and in the present embodiment, the setting value of the pressure at first pressure sensor 3 and second pressure sensor 7 is 0.1MPa.Gas outlet T mouthfuls of first manual reversal valve 51 in the present embodiment, gas outlet T mouthfuls of the second hand-operated direction valve 61 and Gas outlet T mouthfuls of solenoid directional control valve 1 is communicated with atmosphere.
It further include oil filter 67;The oil filter 67 is arranged on fuel tank 68 to the oily channel of the oil inlet of hydraulic pump 66.
It further include safety valve 65;The safety valve 65 is arranged on the oil outlet to the oily channel of fuel tank 68 of hydraulic pump 66.
Working principle of the present invention is as follows: when vehicle needs flame-out, first manual reversal valve 51 is operated, first manual is made Mouth A mouthfuls with execution of P mouthfuls of air inlet of reversal valve 51 communicates, and the pressed gas in gas bag 50 enters the rodless cavity of flame-out cylinder 52, The piston rod of flame-out cylinder 52 is released, engine misses, while the pressed gas in gas bag 50 enters second pressure sensor 7 Air control port, at this moment the pressure at second pressure sensor 7 reaches setting value 0.1MPa.
When vehicle stall, the gear of vehicle still hangs over drive shift, i.e., P mouthfuls of the air inlet of the second hand-operated direction valve 61 with It executes mouth A mouthfuls to communicate, since under normal circumstances, mouth A mouthfuls with execution of P mouthfuls of air inlet of solenoid directional control valve 1 communicates, at this moment gas bag 50 In pressed gas enter the rodless cavity of cylinder 60 through the second hand-operated direction valve 61 again through solenoid directional control valve 1, vehicle hangs over advance On shelves, at the same the pressed gas in gas bag 50 through solenoid directional control valve 1 again through the second hand-operated direction valve 61 again through second one-way valve 4 into Enter the air control port of first pressure sensor 3, at this moment the pressure at first pressure sensor 3 reaches setting value 0.1MPa.Such Pressure at one pressure sensor 3 and second pressure sensor 7 reaches setting value, and master controller 6 controls solenoid directional control valve 1 Terminals K obtain it is electric, P mouthfuls of the air inlet of solenoid directional control valve 1 with execute mouth A mouthful and be not communicated with, but solenoid directional control valve 1 execute mouth A and Gas outlet T mouthfuls communicates, and at this moment, the pressed gas in gas bag 50 cannot enter back into the rodless cavity of cylinder 60, and cylinder 60 has at this time For rod cavity without pressed gas, i.e. the rod chamber of cylinder 60 and rodless cavity does not have pressed gas yet, at this moment gear valve 62 into P mouthfuls of hydraulic fluid port are not communicated with mouth B mouthfuls of mouth A mouthfuls of execution and execution, and the pressure oil in hydraulic pump 66 not can enter drive shift clutch Device 63 can not enter reverse drive gear clutch 64, and forward gear clutch 63 and reverse drive gear clutch 64 cannot combine, and vehicle is certainly It is dynamic to hang on neutral gear.I.e. the present invention may be implemented to hang on neutral gear automatically after stopping working.Vehicle is not just when vehicle restarts in this way It can go here and there forward, will not cause danger.When needing to hang after driver restarts vehicle grade, since driver can have found at this time Two hand-operated direction valves 61 are also hung on drive shift, i.e., P mouthfuls of the air inlet of the second hand-operated direction valve 61 with execute mouth A mouthfuls and communicate, this When solenoid directional control valve 1 P mouthfuls of air inlet with execute mouth A mouthful and be still not communicated with, at this moment need to first operate the second hand-operated direction valve 61, make On gear needed for it hangs over driver, then Operation switch 5, switch 5 is connected, solenoid directional control valve 1 is controlled by master controller 6 Terminals K power loss, make P mouthfuls of the air inlet of solenoid directional control valve 1 with execute mouth A mouthfuls and communicate.Vehicle can hang over driver institute in this way On the gear needed.
When vehicle stall, the gear of vehicle still hangs over reverse drive gear, i.e., P mouthfuls of the air inlet of the second hand-operated direction valve 61 with It executes mouth B mouthfuls to communicate, since under normal circumstances, mouth A mouthfuls with execution of P mouthfuls of air inlet of solenoid directional control valve 1 communicates, at this moment gas bag 50 In pressed gas enter the rod chamber of cylinder 60 through the second hand-operated direction valve 61 again through solenoid directional control valve 1, vehicle hangs over retrogressing On shelves, at the same the pressed gas in gas bag 50 through solenoid directional control valve 1 again through the second hand-operated direction valve 61 again through the first check valve 2 into Enter the air control port of first pressure sensor 3, at this moment the pressure at first pressure sensor 3 reaches setting value 0.1MPa.Such Pressure at one pressure sensor 3 and second pressure sensor 7 reaches setting value, and master controller 6 controls solenoid directional control valve 1 Terminals K obtain it is electric, P mouthfuls of the air inlet of solenoid directional control valve 1 with execute mouth A mouthful and be not communicated with, but solenoid directional control valve 1 execute mouth A and Gas outlet T mouthfuls communicates, and at this moment, the pressed gas in gas bag 50 cannot enter back into the rod chamber of cylinder 60, at this time the nothing of cylinder 60 For rod cavity without pressed gas, i.e. the rod chamber of cylinder 60 and rodless cavity does not have pressed gas yet, at this moment gear valve 62 into P mouthfuls of hydraulic fluid port are not communicated with mouth B mouthfuls of mouth A mouthfuls of execution and execution, and the pressure oil in hydraulic pump 66 not can enter drive shift clutch Device 63 can not enter reverse drive gear clutch 64, and forward gear clutch 63 and reverse drive gear clutch 64 cannot combine, and vehicle is certainly It is dynamic to hang on neutral gear.I.e. the present invention may be implemented to hang on neutral gear automatically after stopping working.Vehicle is not just when vehicle restarts in this way It can shrink back, will not cause danger.When needing to hang after driver restarts vehicle grade, since driver can have found at this time Two hand-operated direction valves 61 are also hung on reverse drive gear, i.e., P mouthfuls of the air inlet of the second hand-operated direction valve 61 with execute mouth B mouthfuls and communicate, this When solenoid directional control valve 1 P mouthfuls of air inlet with execute mouth A mouthful and be still not communicated with, at this moment need to first operate the second hand-operated direction valve 61, make On gear needed for it hangs over driver, then Operation switch 5, switch 5 is connected, solenoid directional control valve 1 is controlled by master controller 6 Terminals K power loss, make P mouthfuls of the air inlet of solenoid directional control valve 1 with execute mouth A mouthfuls and communicate.Vehicle can hang over driver institute in this way On the gear needed.
When vehicle stall, the gear of vehicle is hung in neutral gear, i.e. P mouthfuls of the air inlet of the second hand-operated direction valve 61 and execution Mouth B mouthfuls of A mouthfuls of mouth and execution are not communicated with, and the air control port of first pressure sensor 3, first pressure are at this moment entered without pressed gas Pressure at sensor 3 cannot reach setting value 0.1MPa.The terminals K that master controller 6 not can control solenoid directional control valve 1 is obtained Electricity, mouth A mouthfuls with execution of P mouthfuls of air inlet of solenoid directional control valve 1 still communicates, at this moment, due to the air inlet of the second hand-operated direction valve 61 P mouthfuls of mouth are not communicated with mouth B mouthfuls of mouth A mouthfuls of execution and execution, and the pressed gas in gas bag 50 not can enter the rod chamber of cylinder 60 Or rodless cavity, the i.e. rod chamber of cylinder 60 and rodless cavity do not have pressed gas, vehicle is hung on neutral gear.When driver opens again When needing to hang after motor-car grade, it need to only carry out normally hanging shelves operating.

Claims (3)

1. flame-out and the gear linkage of a kind of vehicle, including gas bag (50), first manual reversal valve (51), flame-out cylinder (52), cylinder (60), the second hand-operated direction valve (61), gear valve (62), forward gear clutch (63), reverse drive gear clutch (64), hydraulic pump (66) and fuel tank (68);The cylinder (60) has piston rod (60-1);The gear valve (62) has valve rod (62-1);The piston rod (60-1) of the cylinder (60) is fixedly connected with the valve rod (62-1) of gear valve (62);It is described first-hand P mouthfuls of air inlet of dynamic reversal valve (51) are connected to gas bag (50);The oil inlet P mouth of the gear valve (62) and hydraulic pump (66) Oil outlet connection, A mouthful of the execution mouth of gear valve (62) and execution mouth B mouthfuls respectively with forward gear clutch (63) and reverse drive gear clutch Device (64) connection;The oil inlet of the hydraulic pump (66) is connected to fuel tank (68);It is characterized by also including solenoid directional control valves (1), the first check valve (2), first pressure sensor (3), second one-way valve (4), switch (5), master controller (6) and the second pressure Force snesor (7);The master controller (6) has signal input part and signal output end;The first pressure sensor (3), Switch (5) and second pressure sensor (7) all have signal output end;A mouthfuls of execution mouth of the first manual reversal valve (51) It is connected to respectively with the air control port of the rodless cavity of flame-out cylinder (52) and second pressure sensor (7);The solenoid directional control valve (1) P mouthfuls of air inlet are connected to gas bag (50), the air inlet P of A mouthfuls of the execution mouth of solenoid directional control valve (1) and the second hand-operated direction valve (61) Mouth connection;A mouthfuls of the execution mouth of second hand-operated direction valve (61) respectively with the air inlet of second one-way valve (4) and cylinder (60) Rodless cavity connection, B mouthfuls of the execution mouth of the second hand-operated direction valve (61) air inlet and cylinder with the first check valve (2) respectively (60) rod chamber connection;The gas outlet of first check valve (2) and the gas outlet of second one-way valve (4) are and first pressure The air control port of sensor (3) is connected to;The signal output end of the first pressure sensor (3), the signal output end for switching (5) and The signal output end of second pressure sensor (7) is electrically connected with the signal input part of master controller (6);The solenoid directional control valve (1) terminals K is electrically connected with the signal output end of master controller (6);When first pressure sensor (3) and second pressure sense When pressure at device (7) reaches setting value, obtains electric by the terminals K of master controller (6) control solenoid directional control valve (1), make electricity Mouth A mouthfuls with execution of P mouthfuls of air inlet of magnetic reversal valve (1) is not communicated with;When switch (5) are connected, electromagnetism is controlled by master controller (6) The terminals K power loss of reversal valve (1), make P mouthfuls of the air inlet of solenoid directional control valve (1) with execute mouth A mouthfuls and communicate.
2. flame-out and the gear linkage of vehicle according to claim 1, it is characterised in that: further include oil filter (67);The oil filter (67) is arranged on the oily channel of the oil inlet in fuel tank (68) to hydraulic pump (66).
3. flame-out and the gear linkage of vehicle according to claim 1, it is characterised in that: further include safety valve (65);The safety valve (65) is arranged on the oil outlet to the oily channel of fuel tank (68) of hydraulic pump (66).
CN201810098983.5A 2018-01-31 2018-01-31 Flame-out and the gear linkage of vehicle Active CN108253135B (en)

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Application Number Priority Date Filing Date Title
CN201810098983.5A CN108253135B (en) 2018-01-31 2018-01-31 Flame-out and the gear linkage of vehicle

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Application Number Priority Date Filing Date Title
CN201810098983.5A CN108253135B (en) 2018-01-31 2018-01-31 Flame-out and the gear linkage of vehicle

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CN108253135A CN108253135A (en) 2018-07-06
CN108253135B true CN108253135B (en) 2019-08-30

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