A kind of vapour drags all-in-one brake system
Technical field
The utility model is related to field of agricultural machinery, and specifically a kind of vapour drags all-in-one brake system.
Background technology
With the adjustment of agricultural structure, field scale operation has become the trend of agricultural production, thereupon
Be during various large-scale agricultural machinery progressively put into agricultural production.Agricultural machinery of the prior art is mostly stopped using machinery
Car, its brake structure is complicated, and production cost is high, can run into various physical features situations in farm work additionally, due to agricultural machinery, uses
Mechanical brake unitary function and using limited, it is impossible to adapt to physical features farm work operating mode complicated and changeable, this leverages agriculture
Machine operation efficiency.
Utility model content
The purpose of this utility model is to provide a kind of vapour to drag all-in-one brake system, is mainly used in automobile and tractor
With reference to a kind of agricultural machinery on, it is possible to achieve one side brake or stopping brake, braking safe reliability, and control accuracy is high, it is adaptable to
Transport or various farm work operating modes.
The purpose of this utility model is achieved through the following technical solutions:
A kind of vapour drags all-in-one brake system, including pump, brake pedal, front wheel brake pipeline and rear wheel brake pipeline,
Wherein front wheel brake pipeline is drawn by pump with rear wheel brake pipeline and is fallen by brake pedal and connected, disconnection lifted, preceding
Wheel brake pipeline is provided with front wheel electromagnetic valve, and the front wheel brake pipeline separate two brake branch roads respectively with two front-wheels on
Brake gear be connected, wheel brake pipeline is provided with trailing wheel magnetic valve in the rear, and the rear wheel brake pipeline separates two
Rear wheel brake branch road is connected with the brake gear on two trailing wheels respectively, and trailing wheel branch road electricity is equipped with each rear wheel brake branch road
Magnet valve;Front wheel brake control circuit, rear wheel brake control circuit and branch road control circuit are drawn by system power supply end respectively, it is described
Front wheel electromagnetic valve is connected with front wheel brake control circuit, and being provided with front wheel brake on front wheel brake control circuit opens
Close, the trailing wheel magnetic valve is connected with rear wheel brake control circuit, and wheel brake control circuit is provided with trailing wheel in the rear
Brake switch, branch road control circuit separate two trailing wheels control circuits respectively with two rear wheel brake branch roads on trailing wheel branch
Way solenoid valve is connected, and controls circuit and two trailing wheel control circuit intersections to be provided with switching switch in the branch road.
The front wheel brake switch, rear wheel brake switch and switching switch may be contained within the control that vapour drags all-in-one driver's cabin
On panel processed.
Switch off when the front wheel brake, rear wheel brake switch connection when, the front wheel electromagnetic valve power-off and valve is opened
Open, the trailing wheel solenoid valves and valve closing.
When the front wheel brake switch connection, rear wheel brake are switched off, the front wheel electromagnetic valve is powered and valve is closed
Close, the trailing wheel magnetic valve is powered off and valve opening.
The transfer strip of the switching switch is in an intermediate position, and two trailing wheel branch way solenoid valves are powered off and valve opening.
The branch road control circuit controls circuit to be connected by the switching switch with any trailing wheel, and electricity is controlled with the trailing wheel
Road connected trailing wheel branch road solenoid valves and valve closing.
The front wheel brake switch and rear wheel brake switch disconnect and the transfer strip of the switching switch is in interposition
When the putting and system power supply end powers off, the front wheel electromagnetic valve, trailing wheel magnetic valve and two trailing wheel branch way solenoid valves
Power off and valve opening.
Advantage of the present utility model is with good effect:
1st, the utility model can realize one side brake or stopping brake, braking safe reliability, it is adaptable to make in various fields
Industry operating mode.
2nd, using solenoid valve control, each pipeline is switched on or switched off the utility model, and control accuracy is high, and facilitates driver
Operation.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Wherein, 1 is pump, and 2 is brake pedal, and 3 is front wheel brake pipeline, and 4 is rear wheel brake pipeline, and 41 stop for the first trailing wheel
Car branch road, 42 is the second rear wheel brake branch road, and 5 is front wheel electromagnetic valve, and 6 is trailing wheel magnetic valve, and 7 is trailing wheel branch way solenoid valve, and 8 are
Front wheel brake controls circuit, and 9 is that rear wheel brake controls circuit, and 10 is that the first trailing wheel controls circuit, and 11 is that the second trailing wheel controls electricity
Road, 12 switch for switching, and 13 switch for front wheel brake, and 14 switch for rear wheel brake, and 15 is front-wheel, and 16 is trailing wheel, and 17 is system
Power end, 18 is that branch road controls circuit.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model includes pump 1, brake pedal 2, front wheel brake pipeline 3 and rear wheel brake pipeline 4, its
Described in front wheel brake pipeline 3 and rear wheel brake pipeline 4 drawn by pump 1, the front wheel brake pipeline 3 and rear wheel brake pipeline
4 are risen and fallen by the brake pedal 2 is switched on or switched off, and when brake pedal 2 falls, the front wheel brake pipeline 3 and trailing wheel are stopped
Car pipeline 4 is connected, and when brake pedal 2 is lifted, the front wheel brake pipeline 3 and rear wheel brake pipeline 4 disconnect, and this is this area
Known technology.A front wheel electromagnetic valve 5, and the front wheel brake pipeline 3 are provided with the front wheel brake pipeline 3 away from described
One end of pump 1 separates two brake branch roads and is connected with the brake gear on two front-wheels 15 respectively, in the rear wheel brake pipeline 4
A trailing wheel magnetic valve 6 is provided with, and the rear wheel brake pipeline 4 separates the first rear wheel brake branch away from one end of the pump 1
The rear wheel brake branch road 42 of road 41 and second is connected with the brake gear on two trailing wheels 16 respectively, in the first rear wheel brake branch
A trailing wheel branch way solenoid valve 7 is respectively equipped with the rear wheel brake branch road 42 of road 41 and second.
As shown in figure 1, drawing a front wheel brake control circuit 8 and a rear wheel brake control electricity by system power supply end 17
Road 9, the front wheel electromagnetic valve 5 controls circuit 8 to control power on/off by the front wheel brake, and circuit is controlled in the front wheel brake
8 are provided with a front wheel brake switch 13, and the trailing wheel magnetic valve 6 controls circuit 9 to control power on/off by the rear wheel brake,
Wheel brake control circuit 9 is provided with a rear wheel brake switch 14 in the rear.Also drawn by the system power supply end 17 in addition
After one branch road controls circuit 18, and branch road control circuit 18 separates two away from the one end at the system power supply end 17
Wheel control circuit is connected with the trailing wheel branch way solenoid valve 7 on two rear wheel brake branch roads respectively, wherein as shown in figure 1, after first
Wheel control circuit 10 be connected with the trailing wheel branch way solenoid valve 7 on the first rear wheel brake branch road 41, the second trailing wheel control circuit 11 and
Trailing wheel branch way solenoid valve 7 on second rear wheel brake branch road 42 is connected, and circuit 18 and two trailing wheel controls are controlled in the branch road
Circuit intersection is provided with a switching switch 12, the switching switch 12 be provided with transfer strip make branch road control circuit 18 with
Any trailing wheel control circuit is connected.Front wheel brake switch 13, the rear wheel brake switch 14 and switching switch 12 may be contained within
On the control panel of agricultural machinery driver's cabin, driver is facilitated to operate.
The utility model is applied to air pressure or hydraulic system, when the pump 1 is pulsometer, stopping on each wheel
Car device is aerodynamic brake, and when the pump 1 is hydraulic pump, the brake gear on each wheel is water brake, the gas
Dynamic brake gear and fluid brake are techniques well known.
Operation principle of the present utility model is:
When the disconnection of front wheel brake switch 13, rear wheel brake switch 14 are connected, the front wheel electromagnetic valve 5 is powered off and valve
Door is opened, and front wheel brake pipeline 3 is unimpeded, and the trailing wheel magnetic valve 6 is powered and valve closing, and rear wheel brake pipeline 4 disconnects, now
Brake pedal 2 is stepped on, two control brakes of front-wheel 15, trailing wheel 16 is unrelated with brake.
When the connection of front wheel brake switch 13, rear wheel brake switch 14 disconnect, the front wheel electromagnetic valve 5 is powered and valve
Door closure, front wheel brake pipeline 3 disconnects, and front-wheel 15 is unrelated with brake, and the trailing wheel magnetic valve 6 is powered off and valve opening, two
The control brake of trailing wheel 16, in such cases when the transfer strip of the switching switch 12 is in an intermediate position, the branch road control
Circuit 18 is not connected with any trailing wheel control circuit, and two trailing wheel branch way solenoid valves 7 are powered off and valve opening, first trailing wheel
The brake rear wheel brake branch road 42 of branch road 41 and second is unimpeded, now steps on brake pedal 2, and agricultural machinery is realized by two trailing wheels 16
Brake.
When the connection of front wheel brake switch 13, rear wheel brake switch 14 disconnect, if the switching of the switching switch 12
With the first trailing wheel control circuit 10 be connected branch road control circuit 18 by piece, now the trailing wheel on the first rear wheel brake branch road 41
Branch way solenoid valve 7 is powered and valve closing, and the first rear wheel brake branch road 41 disconnects, after now stepping on brake pedal 2, only
The unilateral braking of trailing wheel 16 braking of the side of the second rear wheel brake branch road 42, remaining wheel is rotated further, and is capable of achieving agricultural machinery to second
The side racing of rear wheel brake branch road 42, otherwise when the transfer strip of switching switch 12 controls branch road control circuit 18 and second trailing wheel
When circuit 11 is connected, stepping on brake pedal 2 can realize agricultural machinery to the side racing of the first rear wheel brake branch road 41.
Disconnected when front wheel brake switch 13 and rear wheel brake switch 14 and at the transfer strip of the switching switch 12
When centre position, the front wheel electromagnetic valve 5, trailing wheel magnetic valve 6 and two trailing wheel branch way solenoid valves 7 are powered off and valve is opened
Open, front wheel brake pipeline 3, rear wheel brake pipeline 4 and two rear wheel brake branch roads are unimpeded, step on brake pedal 2, four wheels
Brake, so as to realize stopping brake.If in addition in case of emergency, it is also possible to first touch on the brake pedal 2, be then shut off be
System power supply makes each magnetic valve power off unlatching, can equally realize stopping brake, it is to avoid occur unexpected.