CN208947022U - A kind of airsuspension system and tractor of mechanical more height adjustments - Google Patents
A kind of airsuspension system and tractor of mechanical more height adjustments Download PDFInfo
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- CN208947022U CN208947022U CN201821405927.3U CN201821405927U CN208947022U CN 208947022 U CN208947022 U CN 208947022U CN 201821405927 U CN201821405927 U CN 201821405927U CN 208947022 U CN208947022 U CN 208947022U
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Abstract
The utility model discloses the airsuspension system and tractor of a kind of mechanical more height adjustments, the limit altitude valve being made of the integrated limit valve of gas receiver, the altitude valve of 3-position-3-way, the integrated altitude valve of 3-position-3-way and bi-bit bi-pass, five roads logical lifting valve and air bag are formed；The gas outlet of gas receiver is connected with the A3 of altitude valve mouth, the A5 mouth of limit altitude valve and D5 respectively；The C3 mouth of altitude valve is connected with the D6 of lifting valve mouth；The C5 mouth of limit altitude valve is connected with the F6 of lifting valve mouth, and the E5 mouth for limiting altitude valve is connected with the A6 of lifting valve mouth；The C6 mouth of the lifting valve is connected with the right air bag of jackshaft and rear axle, and the E6 mouth of lifting valve is connected with jackshaft and the left air bag of rear axle；Altitude valve and limit altitude valve are connected by swing rod with the axle housing of vehicle.The utility model uses Mechanical course, and by gas circuit without electronic component, at low cost, adjustable chassis assembly is arbitrary height position in adjustable range, meets getting rid of for user and hangs and carry additionally demand.
Description
Technical field
The utility model belongs to tractor airsuspension system technical field, and in particular to a kind of mechanical more height adjustments
Airsuspension system and tractor.
Background technique
At present for tractor field, the air suspension with air bag can be good at reducing the impact on ground, guarantee vehicle
Traveling ride comfort；And the tractor of this air suspension is matched, realization can be facilitated by adjusting the terrain clearance on chassis
Extension is carried additionally and gets rid of, the tractor for matching air suspension at present is received by more and more users, and gradually replaces plate spring suspension brackets
Formula tractor.
At present for the airsuspension system with air bag, the form for adjusting chassis clearance is mainly electronic type control
System (ECAS) is adjusted.ECAS is needed through processor, solenoid valve, height sensor, pressure sensor, wirning harness, air hose
Road is adjusted, although chassis height can be adjusted accurately very much, its higher cost, components are more, assembly difficulty, to whole
The matching of vehicle electrical system is more demanding, and when later period damage, is not easy to carry out failure resolution, and then influence user and use.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the utility model provides a low cost, the simple machine of structure
The airsuspension system and tractor of the more height adjustments of tool formula, the utility model is Mechanical course, by gas circuit without electronics
Element, adjustable chassis assembly is arbitrary height position in adjustable range, meets getting rid of for user and hangs and carry additionally demand.In conjunction with specification
Attached drawing, the technical solution of the utility model are as follows:
A kind of airsuspension system of mechanical more height adjustments, by gas receiver 1, the right air bag 2 of jackshaft, altitude valve 3, rear axle
Right air bag 4, limit altitude valve 5, lifting valve 6, the left air bag 7 of jackshaft and the left air bag 8 of rear axle form；
The altitude valve 3 is three-position three-way valve, and being equipped with one A3 mouthfuls is air inlet, and one C3 mouthfuls are gas outlet and a B3
Mouth is exhaust outlet；The limit altitude valve 5 is made of integrated altitude valve 501 and integrated limit valve 502, integrate altitude valve 501 with
3 structure of altitude valve is identical, and being equipped with one A5 mouthful is air inlet, and one C5 mouthfuls are gas outlet and one B5 mouthfuls are exhaust outlet, integrated
Limit valve 502 is that be equipped with one D5 mouthful be air inlet to two position two-way valve, and one E5 mouthfuls are gas outlet；The lifting valve 6 is five
Six-way valve, being equipped with one A6 mouthfuls is air inlet, and one B6 mouthfuls are exhaust outlet, and being equipped with C6 mouthfuls, D6 mouthfuls, E6 mouthfuls and F6 mouthfuls is four
A gas outlet；
One gas outlet of the gas receiver 1 and the A3 mouth air circuit connection of altitude valve 3, another gas outlet of gas receiver 1
By a threeway respectively with limit altitude valve 5 A5 mouth and D5 mouthfuls of air circuit connections；The C3 mouth and lifting valve 6 of the altitude valve 3
D6 mouth air circuit connection；The F6 mouth air circuit connection of the C5 mouth and lifting valve 6 of the limit altitude valve 5, limits the E5 of altitude valve 5
The A6 mouth air circuit connection of mouth and lifting valve 6；The C6 mouth of the lifting valve by a threeway respectively with the right air bag 2 of jackshaft and rear axle
The E6 mouth of right 4 air circuit connection of air bag, lifting valve 6 is connected with the left air bag 7 of jackshaft and left 8 gas circuit of air bag of rear axle respectively by a threeway
It connects；
The altitude valve 3 and limit altitude valve 5 are connected by swing rod 10 with the axle housing 9 of vehicle.
Further, the A6 mouth of the lifting valve 6 is the air inlet with check valve；
There are five operation ranges altogether for the lifting valve 6, in which:
When lifting valve 6 is in first job gear, the A6 mouth of lifting valve is opened and one-way air inlet, D6 mouth of lifting valve with
F6 mouthfuls closure die, C6 mouth of lifting valve and E6 mouthfuls openings and with the A6 of lifting valve mouth connection gas transmission；
When lifting valve 6 is in second or the 4th operation range, the A6 mouth of lifting valve, B6, C6 mouthfuls, D6 mouthfuls, E6 mouthfuls and F6
Mouth closure is died；
When lifting valve 6 is in third operation range, the A6 mouth closure of lifting valve is died, the C6 mouth of lifting valve and D6 mouthfuls of connection
The B6 mouth closure of logical gas transmission, the E6 mouth of lifting valve and F6 mouthfuls of connection gas transmissions, lifting valve is died；
When lifting valve 6 is in the 5th operation range, the A6 mouth closure of lifting valve is died, and the D6 mouth of lifting valve is equal with F6 mouthfuls
Closure is died, the C6 mouth of lifting valve and E6 mouthfuls with the B6 of lifting valve mouth connection gas transmission.
Further, the A3 mouth of the altitude valve 3 is the air inlet with reset spring check valve；
The altitude valve 3 is able to achieve three operation ranges by the drive of swing rod 10, in which:
When swing rod 10 is swung up, in order to make swing rod 10 return to equilbrium position, altitude valve 3 is in the first operating position,
The B3 mouth closure of altitude valve is died, the C3 mouth connection gas transmission of the A3 mouth and altitude valve of altitude valve；
When swing rod 10 is in equilbrium position, altitude valve 3 is in second operating position, the A3 mouth of altitude valve, B3 mouthfuls and
C3 mouthfuls of closures are died；
When swing rod 10 is to lower swing, in order to make swing rod 10 return to equilbrium position, altitude valve 3 is in third operating position,
The A3 mouth closure of altitude valve is died, the C3 mouth connection gas transmission of the B3 mouth and altitude valve of altitude valve.
Further, in the limit altitude valve 5, the cavity of the cavity and integrated altitude valve 501 of integrated limit valve 502 is
Two mutually independent cavitys, there are two operation ranges for the integrated limit valve 502, in which:
When integrated limit valve 502 is in the first operation range, integrate limit valve D5 mouth and E5 mouthfuls of connection gas transmissions；
When integrated limit valve 502 is in the second operation range, the D5 mouth of integrated limit valve and E5 mouthfuls of closures are died.
A kind of tractor is equipped with the air suspension system of foregoing mechanical more height adjustments on the tractor
System.
Compared with prior art, the utility model has the beneficial effects that:
The airsuspension system structure of mechanical more height adjustments described in the utility model is simple, and it is convenient to operate with, phase
For electric-control system, cost is relatively low, can satisfy arbitrary height needed for chassis, and no electrical component maintains convenient for later period maintenance.
Detailed description of the invention
Fig. 1 is the airsuspension system structural schematic diagram of mechanical more height adjustments described in the utility model；
Fig. 2 is the structural representation of lifting valve in the airsuspension system of mechanical more height adjustments described in the utility model
Figure；
Fig. 3 is the structural representation of altitude valve in the airsuspension system of mechanical more height adjustments described in the utility model
Figure；
Fig. 4 is to limit the structure of altitude valve in the airsuspension system of mechanical more height adjustments described in the utility model
Schematic diagram；
Fig. 5 is gas circuit state diagram when airsuspension system described in the utility model is in balance gear；
Fig. 6 be airsuspension system described in the utility model by equilbrium position gear to rising gear when gas circuit state
Figure；
Fig. 7 is airsuspension system described in the utility model before reaching high restraining position, is adjusted to rise by rising gear
Gas circuit status diagram when STOP gear；
Fig. 8 be airsuspension system described in the utility model by rising gear or rise STOP gear to balance gear when
Gas circuit status diagram；
Fig. 9 is that airsuspension system described in the utility model is shown by equilbrium position gear to gas circuit state when declining gear
It is intended to；
Figure 10 is airsuspension system described in the utility model by decline gear or declines STOP gear to when balancing gear
Gas circuit status diagram；
Figure 11 is arragement construction schematic diagram of the airsuspension system described in the utility model on vehicle；
Figure 12 is to limit scheme of installation of the altitude valve on vehicle in airsuspension system described in the utility model.
In figure:
1- gas receiver, the right air bag of 2- jackshaft, 3- altitude valve, the right air bag of 4- rear axle,
5- limit altitude valve, 6- lifting valve, the left air bag of 7- jackshaft, the left air bag of 8- rear axle,
9- axle housing, 10- swing rod.
501- integrates altitude valve, and 502- integrates limit valve.
Specific embodiment
For the technical solution of the utility model and its course of work, specific embodiment of the present utility model is further described
It is as follows:
As shown in Figure 1, the utility model discloses a kind of airsuspension systems of mechanical more height adjustments, by gas receiver
1, the right air bag 2 of jackshaft, altitude valve 3, the right air bag 4 of rear axle, limit altitude valve 5, lifting valve 6, the left air bag 7 of jackshaft and the left air bag of rear axle
8 compositions.Wherein, the gas receiver 1 is single gas receiver or is composed in series by multiple gas receivers, and the gas receiver 1 is entire empty
Gas suspension system provides gas source, and gas receiver 1 is mounted on the vehicle frame of vehicle, and gas receiver 1 has an air inlet and two gas outlets,
Another gas outlet of one gas outlet of gas receiver 1 and the A3 mouth air circuit connection of altitude valve 3, gas receiver 1 passes through a threeway
Respectively with limit altitude valve 5 A5 mouth and D5 mouthfuls of air circuit connections；The C3 mouth of the altitude valve 3 and the D6 implication road of lifting valve 6 connect
It connects；The F6 mouth air circuit connection of the C5 mouth and lifting valve 6 of the limit altitude valve 5, limits the E5 mouth and lifting valve 6 of altitude valve 5
A6 mouthfuls of air circuit connections；The C6 mouth of the lifting valve is connected with the right air bag 2 of jackshaft and right 4 gas circuit of air bag of rear axle respectively by a threeway
Connect, the E6 mouth of lifting valve 6 by a threeway respectively with the left air bag 7 of jackshaft and left 8 air circuit connection of air bag of rear axle.Such as Figure 11 and figure
Shown in 12, the altitude valve 3 and limit altitude valve 5 are connected by swing rod 10 with the axle housing 9 of vehicle.
As shown in Fig. 2, the lifting valve is five six-way valves, altogether there are six port, wherein A6 mouth of lifting valve for
The air inlet of check valve, the B6 mouth of lifting valve are exhaust outlet, the C6 mouth of lifting valve, D6 mouthfuls, E6 mouthfuls and F6 mouthfuls be gas outlet.Institute
Lifting valve 6 is stated altogether there are five operation range, be respectively as follows: balance gear, rise gear, rise STOP gear, decline gear and under
STOP gear drops.As shown in Fig. 2, five operation ranges of the lifting valve 6 from left to right correspond to five working positions of lifting valve 6
It sets, in which:
The first job position of lifting valve 6 be rise gear operating position, at this point, lifting valve A6 mouth opening and it is unidirectional
Air inlet, the D6 mouth of lifting valve and F6 mouthfuls of closures disconnect, the C6 mouth of lifting valve and F6 mouthfuls of opening connection and outlet, respectively to jackshaft
The right air bag 4 of right air bag 2, rear axle, the left air bag 7 of jackshaft and left 8 gas transmission of air bag of rear axle, at this time the right air bag 2 of jackshaft, the right air bag 4 of rear axle,
The left air bag 7 of jackshaft and the left inflation of air bag 8 lifting of rear axle, at the same time, the B6 mouth of lifting valve, which is closed, to be disconnected, i.e., is not vented；
Second operating position of lifting valve 6 is when pausing at a certain height and position in uphill process, that is, to rise STOP grades
Position, at this point, the A6 mouth closure of lifting valve disconnects not air inlet, the C6 mouth of lifting valve, D6 mouthfuls, E6 mouthfuls and F6 mouthfuls are closed and can not disconnect
Gas, the B6 mouth of lifting valve are closed to disconnect and be not vented；
The third operating position of lifting valve 6 is equilbrium position, at this point, the A6 mouth closure of lifting valve disconnects not air inlet, is lifted
The C6 mouth of lift valve and D6 mouthfuls of connection gas transmissions, the E6 mouth of lifting valve and F6 mouthfuls of connection gas transmissions, the B6 mouth of lifting valve are closed to disconnect and not arranged
Gas；
4th operating position of lifting valve 6 is i.e. decline STOP when pausing at a certain height and position during decline
Gear, at this point, the A6 mouth closure of lifting valve disconnects not air inlet, the C6 mouth of lifting valve, D6 mouthfuls, E6 mouthfuls and F6 mouthfuls are closed disconnection not
Outlet, the B6 mouth of lifting valve are closed to disconnect and be not vented；
5th operating position of lifting valve 6 is decline gear operating position, at this point, the A6 mouth closure of lifting valve disconnects not
Air inlet, the closure disconnection not gas transmissions of the D6 mouth of lifting valve and F6 mouthful, the C6 mouth of lifting valve and E6 mouthfuls with the B6 of lifting valve mouth phase
Connection, at this point, the high pressure gas in the right air bag 2 of jackshaft, the right air bag 4 of rear axle, the left air bag 7 of jackshaft and the left air bag 8 of rear axle passes through respectively
The C6 mouth of lifting valve and E6 mouthfuls of outputs, and the mouth of the B6 through lifting valve is vented, so that the right air bag 2 of jackshaft, the right air bag 4 of rear axle, jackshaft
Left air bag 7 and the left exhaust of air bag 8 decline of rear axle.
As shown in figure 3, the altitude valve 3 is three-position three-way valve, altogether there are three port, wherein A3 mouth of altitude valve for
The air inlet of reset spring check valve, when the pressure at the A3 of altitude valve mouth reaches preset value, reset spring check valve is opened,
The A3 mouth of altitude valve can be inflated；The B3 mouth of altitude valve is exhaust outlet, and the C3 mouth of altitude valve is gas outlet.3 He of altitude valve
Limiting altitude valve 5 is all to be connected by swing rod 10 with the axle housing 9 of vehicle, as shown in figure 12, is passed through in figure for limit altitude valve 5
The schematic diagram that swing rod 10 is connected with the axle housing 9 of vehicle at the position of altitude valve 3, is put as shown in figure 11 again by one
The axle housing 9 of bar 10 and vehicle, which is installed, to be connected.
The movement of the altitude valve 3 is to drive to realize by swing rod 10, as shown in figure 3, the altitude valve 3 is total from left to right
There are three operating positions, in which:
The first job position of altitude valve 3 is inflation operating position, when swing rod 10 is swung up, in order to make swing rod 10
Equilbrium position is returned to, then needs to inflate at this time, altitude valve 3 is then in inflation operating position, at this point, the B3 mouth closure of altitude valve is disconnected
It opens, the A3 mouth of altitude valve and the C3 mouth of altitude valve open connection, and gas enters through the A3 mouth of altitude valve, the C3 mouth through altitude valve
Output, flows to lifting valve 6, by lifting valve 6 to the right air bag 2 of jackshaft, the right air bag 4 of rear axle, the left air bag 7 of jackshaft and the left gas of rear axle
Capsule 8 is inflated；
Second operating position of altitude valve 3 is balancing work position, when swing rod 10 is in equilbrium position, altitude valve 3
It is then also at balancing work position, at this point, the A3 mouth of altitude valve, B3 mouthfuls and C3 mouthfuls are closed disconnection, altitude valve 3 is without gas stream
It crosses；
The third operating position of altitude valve 3 is deflation operations position, when swing rod 10 is to lower swing, in order to make swing rod 10
Equilbrium position is returned to, then needs to deflate at this time, altitude valve 3 is then in deflation operations position, at this point, the A3 mouth closure of altitude valve is disconnected
It opens, the B3 mouth of altitude valve and the C3 mouth of altitude valve open connection, the right air bag 2 of jackshaft, the right air bag 4 of rear axle, left 7 and of air bag of jackshaft
High pressure gas in the left air bag 8 of rear axle flows to altitude valve 3 by lifting valve 6, and high pressure gas is exported through the C3 mouth of altitude valve, and
B3 mouth discharge through altitude valve realizes that the right air bag 2 of jackshaft, the right air bag 4 of rear axle, the left air bag 7 of jackshaft and the left air bag 8 of rear axle are deflated.
As shown in figure 4, the limit altitude valve 5 is made of an integrated altitude valve 501 and an integrated limit valve 502,
Wherein, integrating altitude valve 501 is three-position three-way valve, and in three ports of integrated altitude valve 501, the A5 mouth for integrating altitude valve is band
There is the air inlet of reset spring check valve, the B5 mouth for integrating altitude valve is exhaust outlet, and the C5 mouth for integrating altitude valve is gas outlet, such as
Shown in Figure 12, the movement of the integrated altitude valve 501 is also to drive to realize by swing rod 10, the integrated altitude valve 501
Structure and working principle is identical with aforementioned height valve 3, and concrete operating principle please refers to aforementioned.The chamber of integrated limit valve 502
The cavity of body and integrated altitude valve 501 is the cavity of two mutually indepedent non-connection, and the integrated limit valve 502 is bi-bit bi-pass
Valve, there are two ports altogether, and the D5 mouth for integrating limit valve 502 is air inlet, and the E5 mouth for integrating limit valve 502 is gas outlet；Such as Fig. 4
Shown, integrating limit valve 502, there are two operating positions from left to right, in which:
First operating position of integrated limit valve 502 is lifting operating position, at this point, the D5 mouth of integrated limit valve and E5 mouthfuls
It opens and connection, gas enters from the D5 mouth of integrated limit valve, and exported from the E5 of integrated limit valve mouth, that is, inflate；
Second operating position of integrated limit valve 502 is the position that stops working, at this point, the D5 mouth of integrated limit valve and E5 mouthfuls
Closure disconnects, and flows through in integrated limit valve 502 without gas, that is, stops inflation.
The invention also discloses a kind of tractor, foregoing mechanical more height are installed on the tractor
The airsuspension system of adjusting.
The course of work of the airsuspension system of mechanical more height adjustments described in the utility model is as follows:
1, gear is balanced:
As shown in Fig. 2, Fig. 3 Fig. 4 and Fig. 5, at this point, lifting valve 6 is in balance gear (i.e. third operating position), lifting valve
A6 mouth disconnect, B6 mouth of lifting valve disconnects, C6 mouth and D6 mouthfuls of connection of lifting valve, the E6 mouth and F6 mouthfuls of connection of lifting valve；Limit
In the altitude valve 5 of position, integrated altitude valve 501 is in balancing work position (i.e. the second operating position), integrates A5 mouth, the C5 of altitude valve
Mouthful and D5 mouthful disconnect, integrated limit valve 502 is in and stops working position (i.e. the second working position), integrate the D5 mouth of limit valve with
E5 mouthfuls disconnect；Altitude valve 3 is in balancing work position (i.e. the second operating position), and the A3 mouth of altitude valve, B3 mouthfuls and C3 mouthfuls are
It disconnects；
When driving, due to the effect of swing rod 10, when swing rod 10 is to lower swing, to return to equilbrium position, limit
Integrated altitude valve 501 and altitude valve 3 in altitude valve 5 need to deflate, and integrate altitude valve 501 and altitude valve 3 at this time and enter third
Operating position, at this point, the high pressure gas point in the right air bag 2 of jackshaft, the right air bag 4 of rear axle, the left air bag 7 of jackshaft and the left air bag 8 of rear axle
C6 mouth not through lifting valve enters lifting valve 6, and the mouth of the D6 through lifting valve and F6 mouthfuls of outflow lifting valves with E6 mouthfuls, then passes through respectively
The C3 mouth entry altitude valve 3 of altitude valve, the C5 mouth for being integrated altitude valve enters integrated altitude valve 501, finally respectively through altitude valve
B3 mouth and integrated altitude valve B5 mouth be discharged, realize deflation；When swing rod 10 is swung up, to return to equilbrium position, limit
Integrated altitude valve 501 and altitude valve 3 in altitude valve 5 need to inflate, and integrate altitude valve 501 and altitude valve 3 at this time and enter first
Operating position, high pressure gas in the gas receiver 1 A3 mouth entry altitude valve 3 through altitude valve respectively, through the A5 mouth for integrating altitude valve
Into integrated altitude valve, then, the C3 mouth through altitude valve is exported to the D6 mouth of lifting valve respectively, through the C5 mouth for integrating altitude valve
It exports to the F6 mouth of lifting valve, then, gas is exported respectively through the C6 mouth of lifting valve to the right air bag 2 of jackshaft and the right air bag 4 of rear axle,
Gas is exported respectively through the E6 mouth of lifting valve to the left air bag 7 of jackshaft and the left air bag 8 of rear axle, realizes inflation；In the above process, lifting
The operating position of valve 6 and the integrated limit valve 502 in limit altitude valve 5 remains unchanged.
2, by equilbrium position gear to rising gear:
As shown in Fig. 2, Fig. 3 Fig. 4 and Fig. 6, at this point, lifting valve 6, which is in, rises gear (i.e. the first operating position), lifting valve
D6 mouth and F6 mouthful be it is breaking, the A6 mouth of lifting valve respectively with C6 and E6 mouthfuls of connection；Collection in altitude valve 3 and limit altitude valve 5
Be in balancing work position (i.e. the second operating position) at altitude valve 501, the A3 mouth of altitude valve, B3 mouthfuls and C3 mouthfuls disconnect,
A5 mouth of integrated altitude valve, B5 mouthful and C5 mouthful disconnect, the integrated limit valve 502 in limit altitude valve 5 is in lifting working position
Set the D5 mouth and E5 mouthfuls of connection that limit valve is integrated (i.e. with the first operating position)；At this point, the high pressure gas in gas receiver 1 is through collecting
It is flowed at the D5 mouth of limit valve, the E5 mouth for being integrated limit valve flows out, and then the A6 mouth through lifting valve enters, respectively through lifting valve
C6 mouth and E6 mouthful flow out, finally respectively enter the right air bag 2 of jackshaft, the right air bag 4 of rear axle, the left air bag 7 of jackshaft and the left air bag of rear axle
8, realize the inflation of four air bags of vehicle, traction chassis realizes lifting；
In above-mentioned traction chassis lifting process, when the horizontal sextant angle that the swing rod 10 of connection limit altitude valve 5 is swung reaches
It when to 30 °, limits the integrated limit valve 502 in altitude valve 5 and enters and stop working position (i.e. the second operating position), integrate at this time
The D5 mouth of limit valve is disconnected with E5 mouthfuls, and four air bags of vehicle stop inflation, and vehicle chassis rises to high restraining position.
3, it before reaching high restraining position, is adjusted to rise STOP gear by rising gear:
As shown in Fig. 2, Fig. 3 Fig. 4 and Fig. 7, at this point, lifting valve 6, which is in, rises STOP gear (i.e. the second operating position), it is high
Bottom valve 3 and integrated altitude valve 501 are in balancing work position (i.e. the second operating position), integrate limit valve 502 and are in stopping
Operating position (i.e. the second operating position), at this point, lifting valve 6, altitude valve 3 and limit altitude valve 5 each port be in it is disconnected
Line state.
4, by rising gear or rise STOP gear to balance gear
As shown in Fig. 2, Fig. 3 Fig. 4 and Fig. 8, at this point, lifting valve 6 is in balance gear (i.e. third operating position), lifting valve
A6 mouth disconnect, B6 mouth of lifting valve disconnects, C6 mouth and D6 mouthfuls of connection of lifting valve, the E6 mouth and F6 mouthfuls of connection of lifting valve；Limit
Integrated altitude valve 501 and altitude valve 3 in the altitude valve 5 of position are in deflation operations position (i.e. third operating position), integrate height
The C5 mouth and B5 mouthfuls of connection of bottom valve, the A5 mouth for integrating altitude valve disconnect, the C3 mouth and B3 mouthfuls of connection of altitude valve, the A3 of altitude valve
Mouth disconnects；Integrated limit valve 502 in limit altitude valve 5 is in stop working state (i.e. the second operating position)；The right gas of jackshaft
High pressure gas in the right air bag 4 of capsule 2, rear axle, the left air bag 7 of jackshaft and the left air bag 8 of rear axle the C6 mouth through lifting valve and E6 mouthfuls respectively
D6 mouth and F6 mouthfuls of outflow lifting valves into lifting valve 6, and through lifting valve, then the C3 mouth through high pressure valve enters high pressure valve respectively
3, the C5 mouth through integrated high voltage valve enters integrated high voltage valve 501, finally the B5 of B3 mouth and integrated high pressure valve through high pressure valve respectively
Mouthful discharge, realize deflate, i.e., by rising gear or rise STOP gear to balance gear.
5, by equilbrium position gear to decline gear
As shown in Fig. 2, Fig. 3 Fig. 4 and Fig. 9, at this point, lifting valve 6 is in decline gear operating position (i.e. the 5th working position
Set), the A6 mouth of lifting valve, D6 mouthfuls and F6 mouthfuls disconnect, the C6 mouth of lifting valve and E6 mouthfuls respectively with B6 mouthfuls of connection, 3 He of altitude valve
Integrated altitude valve 501 is in balancing work position (i.e. the second operating position), and integrated limit valve 502 is in the position that stops working
(i.e. the second operating position), at this point, each port of altitude valve 3 and limit altitude valve 5 is in off state；The right air bag of jackshaft
2, the high pressure gas in the right air bag 4 of rear axle, the left air bag 7 of jackshaft and the left air bag 8 of rear axle respectively the C6 mouth through lifting valve and E6 mouthfuls into
Enter lifting valve 6, be finally discharged from the B6 mouth of lifting valve, realize and deflate, i.e., by equilbrium position gear to decline gear.
6, before reaching low restraining position, decline STOP gear is adjusted to by decline gear
As shown in Fig. 2, Fig. 3 Fig. 4 and Fig. 7, at this point, lifting valve 6, which is in, rises STOP gear (i.e. the second operating position), it is high
Bottom valve 3 and integrated altitude valve 501 are in balancing work position (i.e. the second operating position), integrate limit valve 502 and are in stopping
Operating position (i.e. the second operating position), at this point, lifting valve 6, altitude valve 3 and limit altitude valve 5 each port be in it is disconnected
Line state.
7, by decline gear or decline STOP gear to balance gear
As shown in Fig. 2, Fig. 3 Fig. 4 and Figure 10, at this point, lifting valve 6, which is in, rises gear operating position (i.e. the first working position
Set), the D6 mouth of lifting valve and F6 mouthful to be breaking, the A6 mouth of lifting valve respectively with C6 and E6 mouthfuls of connection；Altitude valve 3 and limit are high
Integrated altitude valve 501 in bottom valve 5 is in balancing work position (i.e. the second operating position), the A3 mouth of altitude valve, B3 mouthfuls and
C3 mouthfuls disconnect, A5 mouth of integrated altitude valve, B5 mouthfuls and C5 mouthfuls disconnect, the integrated limit valve 502 in limit altitude valve 5 is in
It lifts operating position (i.e. with the first operating position), integrates the D5 mouth and E5 mouthfuls of connection of limit valve；At this point, the height in gas receiver 1
Body of calming the anger is flowed into through the D5 mouth of integrated limit valve, and the E5 mouth for being integrated limit valve flows out, and then the A6 mouth through lifting valve enters, point
C6 mouth and E6 mouthfuls of outflows not through lifting valve, finally respectively enter the right air bag 2 of jackshaft, the right air bag 4 of rear axle, left 7 and of air bag of jackshaft
The left air bag 8 of rear axle realizes the inflation of four air bags of vehicle, and traction chassis realizes lifting, i.e., by decline gear or decline STOP
Gear to balance gear；After reaching equilbrium position, it is restored to reset condition at this time, at this point, lifting valve 6 is in balance gear (i.e.
Third operating position), the A6 mouth of lifting valve disconnects, and the B6 mouth of lifting valve disconnects, the C6 mouth and D6 mouthfuls of connection of lifting valve, lifting valve
E6 mouth and F6 mouthfuls of connection；Altitude valve 3 and integrated altitude valve 501 are in balancing work position (i.e. the second operating position), collection
It is in and stops working position (i.e. the second operating position) at limit valve 502, at this point, lifting valve 6, altitude valve 3 and limit altitude valve 5
Each port be in off state.
Claims (5)
1. a kind of airsuspension system of mechanical more height adjustments, it is characterised in that:
By gas receiver (1), the right air bag of jackshaft (2), altitude valve (3), the right air bag of rear axle (4), limit altitude valve (5), lifting valve
(6), the left air bag of jackshaft (7) and the left air bag of rear axle (8) composition；
The altitude valve (3) is three-position three-way valve, and being equipped with one A3 mouthfuls is air inlet, and one C3 mouthfuls are gas outlet and one B3 mouthfuls
For exhaust outlet；The limit altitude valve (5) is made of integrated altitude valve (501) and integrated limit valve (502), integrates altitude valve
(501) identical as altitude valve (3) structure, being equipped with one A5 mouthful is air inlet, and one C5 mouthfuls are gas outlet and one B5 mouthfuls are row
Port, integrated limit valve (502) be that be equipped with one D5 mouthfuls be air inlet to two position two-way valve, and one E5 mouthfuls are gas outlet；The act
Lift valve (6) is five six-way valves, and being equipped with one A6 mouthfuls is air inlet, and one B6 mouthfuls are exhaust outlet, and are equipped with C6 mouthfuls, D6 mouthfuls, E6
Mouth is four gas outlets with F6 mouthfuls；
One gas outlet of the gas receiver (1) and the A3 mouth air circuit connection of altitude valve (3), another outlet of gas receiver (1)
Mouth passes through A5 mouth and D5 mouthful air circuit connections of the threeway respectively with limit altitude valve (5)；The C3 mouth of the altitude valve (3) and act
The D6 mouth air circuit connection of lift valve (6)；The F6 mouth air circuit connection of the C5 mouth and lifting valve (6) of limit altitude valve (5), limit are high
The A6 mouth air circuit connection of the E5 mouth of bottom valve (5) and lifting valve (6)；The C6 mouth of the lifting valve by a threeway respectively with jackshaft
Right air bag (2) and the right air bag of rear axle (4) air circuit connection, the E6 mouth of lifting valve (6) by a threeway respectively with the left air bag of jackshaft
(7) and the left air bag of rear axle (8) air circuit connection；
The altitude valve (3) and limit altitude valve (5) are connected by swing rod (10) with the axle housing (9) of vehicle.
2. a kind of airsuspension system of mechanical more height adjustments as described in claim 1, it is characterised in that:
The A6 mouth of the lifting valve (6) is the air inlet with check valve；
There are five operation ranges altogether for the lifting valve (6), in which:
When lifting valve (6) is in first job gear, the A6 mouth of lifting valve is opened and one-way air inlet, the D6 mouth and F6 of lifting valve
Mouth closure dies, C6 mouth of lifting valve and E6 mouthfuls openings and with the A6 of lifting valve mouth connection gas transmission；
When lifting valve (6) are in second or the 4th operation range, the A6 mouth of lifting valve, B6, C6 mouthfuls, D6 mouthfuls, E6 mouthfuls and F6 mouthfuls
Closure is died；
When lifting valve (6) is in third operation range, the A6 mouth closure of lifting valve is died, the C6 mouth and D6 mouthfuls of connection of lifting valve
The B6 mouth closure of gas transmission, the E6 mouth of lifting valve and F6 mouthfuls of connection gas transmissions, lifting valve is died；
When lifting valve (6) are in the 5th operation range, the A6 mouth closure of lifting valve is died, and the D6 mouth of lifting valve is closed with F6 mouthfuls
Make and break gas, the C6 mouth of lifting valve and E6 mouthfuls with the B6 of lifting valve mouth connection gas transmission.
3. a kind of airsuspension system of mechanical more height adjustments as described in claim 1, it is characterised in that:
The A3 mouth of the altitude valve (3) is the air inlet with reset spring check valve；
The altitude valve (3) is driven by swing rod (10) and is able to achieve three operation ranges, in which:
When swing rod (10) is swung up, in order to make swing rod (10) return to equilbrium position, altitude valve (3) is in the first working position
It sets, the B3 mouth closure of altitude valve is died, the C3 mouth connection gas transmission of the A3 mouth and altitude valve of altitude valve；
When swing rod (10) is in equilbrium position, altitude valve (3) is in second operating position, the A3 mouth of altitude valve, B3 mouthfuls and
C3 mouthfuls of closures are died；
When swing rod (10) is to lower swing, in order to make swing rod (10) return to equilbrium position, altitude valve (3) is in third working position
It sets, the A3 mouth closure of altitude valve is died, the C3 mouth connection gas transmission of the B3 mouth and altitude valve of altitude valve.
4. a kind of airsuspension system of mechanical more height adjustments as described in claim 1, it is characterised in that:
In the limit altitude valve (5), the cavity of the cavity and integrated altitude valve (501) that integrate limit valve (502) is two phases
Mutual independent cavity, there are two operation ranges for the integrated limit valve (502), in which:
When integrated limit valve (502) is in the first operation range, integrate limit valve D5 mouth and E5 mouthfuls of connection gas transmissions；
When integrated limit valve (502) is in the second operation range, the D5 mouth of integrated limit valve and E5 mouthfuls of closures are died.
5. a kind of tractor, it is characterised in that:
Air suspension just like mechanical more height adjustments described in any one of claim 1-4 is installed on the tractor
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821405927.3U CN208947022U (en) | 2018-08-30 | 2018-08-30 | A kind of airsuspension system and tractor of mechanical more height adjustments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821405927.3U CN208947022U (en) | 2018-08-30 | 2018-08-30 | A kind of airsuspension system and tractor of mechanical more height adjustments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208947022U true CN208947022U (en) | 2019-06-07 |
Family
ID=66736147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821405927.3U Withdrawn - After Issue CN208947022U (en) | 2018-08-30 | 2018-08-30 | A kind of airsuspension system and tractor of mechanical more height adjustments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208947022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944330A (en) * | 2018-08-30 | 2018-12-07 | 汽解放汽车有限公司 | A kind of airsuspension system and tractor of mechanical more height adjustments |
-
2018
- 2018-08-30 CN CN201821405927.3U patent/CN208947022U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944330A (en) * | 2018-08-30 | 2018-12-07 | 汽解放汽车有限公司 | A kind of airsuspension system and tractor of mechanical more height adjustments |
| CN108944330B (en) * | 2018-08-30 | 2024-01-19 | 一汽解放汽车有限公司 | Mechanical multi-height-adjustment air suspension system and tractor |
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