CN101612872A - Suspension frame lifting and load adjusting valve and control system - Google Patents
Suspension frame lifting and load adjusting valve and control system Download PDFInfo
- Publication number
- CN101612872A CN101612872A CN200910008961A CN200910008961A CN101612872A CN 101612872 A CN101612872 A CN 101612872A CN 200910008961 A CN200910008961 A CN 200910008961A CN 200910008961 A CN200910008961 A CN 200910008961A CN 101612872 A CN101612872 A CN 101612872A
- Authority
- CN
- China
- Prior art keywords
- valve
- cross
- oil
- drilled hole
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The present invention relates to suspension frame lifting and load adjusting valve and control system thereof, utilize the control cock of one three path to regulate the load and the height of compound hydro-pneumatic suspension system or device bearing-type bumper suspension system, the carrying ratio that can regulate bodywork height and hydro-pneumatic spring or bearing-type bumper by this control cock by chaufeur, thus the stability and the obstacle climbing ability of automobile improved.Be applicable to the various automobiles that need to improve obstacle climbing ability and load condition, for example cross-country car, multipurpose automobile etc.
Description
Technical field
But the present invention relates to height and the load regulatory function and the structure of compound hydro pneumatic suspension of lifting and bearing-type bumper.Utilize the suspension system of this control cock, can regulate the carrying ratio of bodywork height and hydro-pneumatic spring or bearing-type bumper, thereby improve the stability and the obstacle climbing ability of automobile by chaufeur in compound hydro pneumatic suspension or device bearing-type bumper.Be applicable to the various automobiles that need to improve obstacle climbing ability and load condition, for example cross-country car, multipurpose automobile etc.
Background technology
If can be by the intention of chaufeur or the height of automatically regulating vehicle body when automobile in use runs into obstacle, this will make automobile have more excellent function.At present there has been the automobile of some air suspensions or hydro pneumatic suspension to have this function.But these suspension frame structures are more complicated all, the cost height.The solution patent applicant of simple economy has declared three kinds of patents of two classes in order to seek more: 1) but utilize the bearing-type bumper to constitute the lifting suspension system.The relevant therewith patent of declaring has " load bearing type damping changing impact damper " (200710056382.X, the disclosed content of this application is introduced the present invention as a reference) and suspension system of lifting load-bearing impact damper " (200810167572.3, the disclosed content of this application is introduced the present invention as a reference); 2) but utilize the compound oil gas spring to constitute the lifting suspension system.The relevant therewith patent of declaring has " vehicle complex spring equalization suspension device " (200710056383.4, the disclosed content of this application is introduced the present invention as a reference).These two kinds of suspension frame structures all may realize changing the function of bodywork height and adjusting load than simple economy ground, but for realizing this function, just must be equipped with being convenient to the control cock that chaufeur changes system oil pressure.Though the control cock that more existing in the market hydraulic efficiency pressure systems are used, often there is the shortcoming that sealing reliability is bad or cost is too high in the height adjustment that is used as automotive suspension.
The present invention is exactly simple and practical and low suspension frame lifting and load adjusting valve and the control system of creating at the elevating function (Fig. 1) of above-mentioned two patents realization auto body of cost.
Summary of the invention
Suspension frame lifting that present technique proposed and load adjusting valve (hereinafter to be referred as control cock), being a kind of control cock of three paths, can be half electrodynamic type or full electric type, and both structures are similar, difference only is that the former only is that pressure charging system is electrically operated, and reducing valve is the armstrong's patent formula; And the latter's pressure charging system and reducing valve all are electrically operated.Half electrodynamic type and full electric type control cock respectively have two kinds of valve arrangements again, and a kind of is that pressure charging valve and reducing valve are to be arranged in juxtaposition, and another kind is that pressure charging valve and reducing valve are coaxial arrangement.Therefore, present technique has proposed following four inventions:
A kind of half electrodynamic type suspension frame lifting and load adjusting valve arranged side by side is provided, and its electronic pressure charging valve and armstrong's patent reducing valve are arranged in juxtaposition.It has square valve body, and there are six holes on four limits of valve body, and three is cross-drilled hole, three the valve body left side is cross-drilled hole A and cross-drilled hole B in order to indulge the hole, and the right is cross-drilled hole C, and the top is vertical hole F, and is following for indulging hole D and vertical hole E; Cross-drilled hole A, cross-drilled hole B and cross-drilled hole C three holes are oil circuit interfaces; Cross-drilled hole A connects oil pump by oil pipe, and cross-drilled hole B connects hydro-pneumatic spring or carrying bumper, and cross-drilled hole C is by the oil return pipe connected tank, cross-drilled hole A is communicated with cross-drilled hole B by vertical hole D, vertical hole D is communicated with vertical hole E by cross-drilled hole B, indulges hole F and is communicated with cross-drilled hole C, indulges hole F with the coaxial setting of vertical hole E and be communicated with; Be provided with pressure charging valve, pressure charging valve spring, pressure charging valve seal ring and pressure charging valve blanking cover successively in the vertical hole D, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper from oil pump in the vertical hole D, and mustn't be from the oil pump oil return; Be provided with drive spindle guide pin bushing, drive spindle seal ring and drive spindle successively in the vertical hole F; Be provided with reducing valve, pressure-relief valve spring, reducing valve seal ring and reducing valve blanking cover successively in the vertical hole E; Be provided with excess pressure valve, excess pressure valve spring, excess pressure valve seal ring and excess pressure valve blanking cover in the cross-drilled hole C successively; The top of valve body is provided with joystick and micro-switch, and control lever is used for driving micro-switch and drive spindle, when needs rising bodywork height, joystick is pulled to the right, micro-switch is connected, started oil pump, make system's supercharging and raise vehicle body to hydro-pneumatic spring or carrying bumper pump oil; When needs reduced bodywork height, joystick was pulled left, promoted drive spindle, backed down reducing valve, and system's oil extraction decompression also descends vehicle body.Described valve body is preferably made by medium-hard carbon steel, partial metallurgy or non-ferrous metal material.Described excess pressure valve spring has set pressure, can not be lower than the numerical value of requirement when the oil extraction to guarantee the oil pressure in hydro-pneumatic spring or the carrying bumper.Described joystick is preferably the integral structure that is formed by a montant and two side shoots; Two side shoots are used for driving micro-switch and drive spindle respectively.
Described half electrodynamic type suspension frame lifting and load adjusting valve arranged side by side, it also has height sensor and oil pump motor relay; When automobile ran into obstacle and need raise vehicle body, the signal triggering oil pump motor relay of height sensor started oil pump to hydro-pneumatic spring or carrying bumper pump oil, makes system's supercharging and raises vehicle body; When needs reduced bodywork height, joystick was pulled left, promoted drive spindle, backed down reducing valve, and system's oil extraction decompression also descends vehicle body.
A kind of full electric type suspension frame lifting arranged side by side and load adjusting valve are provided, and its pressure charging valve and reducing valve all are electrically operated, and are arranged in juxtaposition.It has square valve body, and there are six holes on four limits of valve body, and three is cross-drilled hole, three the valve body left side is cross-drilled hole A and cross-drilled hole B in order to indulge the hole, and the right is cross-drilled hole C, and the top is vertical hole F, and is following for indulging hole D and vertical hole E; Cross-drilled hole A, cross-drilled hole B and cross-drilled hole C three holes are oil circuit interfaces; Cross-drilled hole A connects oil pump by oil pipe, and cross-drilled hole B connects hydro-pneumatic spring or carrying bumper, and cross-drilled hole C is by the oil return pipe connected tank, cross-drilled hole A is communicated with cross-drilled hole B by vertical hole D, vertical hole D is communicated with vertical hole E by cross-drilled hole B, indulges hole F and is communicated with cross-drilled hole C, indulges hole F with the coaxial setting of vertical hole E and be communicated with; Be provided with pressure charging valve, pressure charging valve spring, pressure charging valve seal ring and pressure charging valve blanking cover successively in the vertical hole D, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper from oil pump in the vertical hole D, and mustn't be from the oil pump oil return; Be provided with electromagnetic valve outer cover, reducing valve iron core, magnet coil, drive spindle seal ring, drive spindle and drive spindle guide pin bushing in the vertical hole F; Be provided with reducing valve, pressure-relief valve spring, reducing valve seal ring and reducing valve blanking cover successively in the vertical hole E; Be provided with excess pressure valve, excess pressure valve spring, excess pressure valve seal ring and excess pressure valve blanking cover in the cross-drilled hole C successively; Described control cock also has multiple way switch (or ECU) and lead, formed electromagnetic relief pressure valve by electromagnetic valve outer cover, iron core, magnet coil, multiple way switch (or ECU) and lead, when needs rising bodywork height, connect and start oil pump by multiple way switch or ECU (ECU (Electrical Control Unit)), make system's supercharging and raise vehicle body to hydro-pneumatic spring or bearing-type bumper pump oil; When needs reduce bodywork height, by multiple way switch or ECU, promote drive spindle, back down reducing valve, system's oil extraction decompression also descends vehicle body; When not needing to change bodywork height, multiple way switch or ECU shutoff signal, this moment, oil pump and electromagnetic valve all were in off-state.The non-return valve that is formed by pressure charging valve, pressure charging valve spring makes system be in self-locking state, and bodywork height is constant.Described valve body is made by medium-hard carbon steel, partial metallurgy or non-ferrous metal material.Described excess pressure valve spring has set pressure, can not be lower than the numerical value of requirement when the oil extraction to guarantee the oil pressure in hydro-pneumatic spring or the carrying bumper.
Present technique also provides a kind of coaxial half electrodynamic type suspension frame lifting and load adjusting valve, and it is the simplification distortion of half electrodynamic type suspension frame lifting arranged side by side and load adjusting valve.It and half electrodynamic type suspension frame lifting arranged side by side and load adjusting valve difference just are arranged in pressure charging valve and reducing valve on the coaxial line, rather than (the seeing the explanation of the Fig. 6 and the specific embodiment thereof for details) that be arranged in parallel.The last cross-drilled hole JC of valve body is by oil return pipe S4 connected tank S1, following cross-drilled hole JB meets hydro-pneumatic spring or carrying bumper S7, when needs rising bodywork height, joystick J17 pulls to the right, micro-switch J18 is connected, start oil pump S2 to hydro-pneumatic spring or carrying bumper S7 pump oil, make system's supercharging and raise vehicle body; When needs reduced bodywork height, joystick J17 pulled left, promoted drive spindle J15, backed down reducing valve J5, and system's oil extraction decompression also descends vehicle body.
Present technique also provides a kind of coaxial full electric type suspension frame lifting and load adjusting valve, and it is the simplification modification of full electric type suspension frame lifting arranged side by side and load adjusting valve.It just is arranged in pressure charging valve and reducing valve on the coaxial line with full electric type suspension frame lifting arranged side by side and load adjusting valve difference, rather than (detail drawing 7 and the specific embodiment explanation thereof) that be arranged in parallel.The last cross-drilled hole JC of valve body is by oil return pipe S4 connected tank S1, and the following cross-drilled hole JB of valve body meets hydro-pneumatic spring or carrying bumper S7.When needs rising bodywork height, connect and start oil pump S2 by multiple way switch S8 or ECU (S6) to hydro-pneumatic spring or bearing-type bumper S7 pump oil, make system's supercharging and raise vehicle body; When needs reduce bodywork height, by multiple way switch S8 or ECU (S6), promote drive spindle J15, back down reducing valve J5, system's oil extraction decompression also descends vehicle body; When not needing to change bodywork height, multiple way switch S8 or ECU (S6) shutoff signal, the non-return valve that is formed by pressure charging valve J1, pull back spring 2 makes system be in self-locking state, and bodywork height is constant.
Description of drawings
But Fig. 1 is a lifting compound suspension frame system architecture scheme drawing
Fig. 2 is half electrodynamic type suspension frame lifting arranged side by side and load adjusting valve structural representation
Fig. 3 is full electric type suspension frame lifting arranged side by side and load adjusting valve structural representation
Fig. 4-a is that the vehicle body principle schematic is raised in half electric control valve pump oil arranged side by side supercharging
Fig. 4-b is that half electric control valve oil extraction release arranged side by side reduces the vehicle body principle schematic
Fig. 4-c is that the vehicle body principle schematic is raised in half electric control valve chance obstacle pump oil arranged side by side supercharging
Fig. 5 is that full electric type control cock arranged side by side is applied to the structural representation with the suspension system of ECU
Fig. 6 is coaxial half electrodynamic type suspension frame lifting and load adjusting valve structural representation
Fig. 7 is coaxial full electric type suspension frame lifting and load adjusting valve structural representation
The specific embodiment
But Fig. 1 is the structural representation of lifting compound suspension frame system, and it comprises coil spring A1, carrying bumper or hydro-pneumatic spring A2, accumulator A3, mailbox A5, oil drain tube A6, electric oil pump A7, control cock A8 (being parts of the present invention), terrain clearance sensors A 9.Wherein A2 both can be bearing-type bumper (corresponding patent No. 200710056382.X and 200810167572.3), also can be hydro-pneumatic spring (the corresponding patent No. 200710056383.4)
Fig. 2 is the structural representation of half electrodynamic type suspension frame lifting and load adjusting valve.It is by pressure charging valve 1, pressure charging valve spring 2, pressure charging valve blanking cover 3, pressure charging valve seal ring 4; Reducing valve 5, pressure-relief valve spring 6, reducing valve blanking cover 7, reducing valve seal ring 8; Excess pressure valve 9, excess pressure valve spring 10, excess pressure valve blanking cover 11, excess pressure valve seal ring 12; Valve body 13, drive spindle seal ring 14, drive spindle 15, drive spindle guide pin bushing 16, joystick 17, compositions such as micro-switch 18 or height sensor A9 and relay P4.Three outlets of control cock link to each other with associated components respectively; Cross-drilled hole A links to each other with oil pump S2 by oil pipe S3; Cross-drilled hole B links to each other with hydro-pneumatic spring or carrying bumper S7; Cross-drilled hole C links to each other with petrol storage tank S1.
Joystick 17 is the integral structures that formed by a montant and two side shoots; Two side shoots are used for driving micro-switch 18 and drive spindle 15 respectively.When needs rising bodywork height, joystick is pulled to the right, and micro-switch 18 is connected, and starts oil pump S2 to hydro-pneumatic spring or carrying bumper S7 pump oil, makes system's supercharging and raises vehicle body.When needs reduced bodywork height, joystick was pulled left, promoted drive spindle 15, jack-up reducing valve 5, and system's oil extraction decompression also descends vehicle body.
In some cases, the lifting process time is long does not wish that with assurance oil circuit safety system pressure drop must be low excessively in order to avoid, in the oil return exit excess pressure valve 9 is set, suitably the precompressed compression of design excess pressure valve spring 10 can guarantee that the oil pressure among hydro-pneumatic spring or the carrying bumper S7 can not be lower than the numerical value of requirement when oil extraction.
Design-calculated suspension frame lifting and load adjusting valve can fully satisfy the requirement of above-mentioned two lifting suspension patents like this, and structure is very simple, and cost is low.
The control cock structure of full electric type and the difference of half electric control valve only are, it not only the supercharging of pump oil start electric oil pump by electric switch and realize, and reducing valve also inhales moving unshakable in one's determination 21 and reducing valve 5 by electric switch by magnet coil, and oil extraction descends vehicle body.
Fig. 3 is the constructional drawing of full electric type suspension frame lifting and load adjusting valve and single system.It is by pressure charging valve 1, pressure charging valve spring 2, pressure charging valve blanking cover 3, pressure charging valve seal ring 4; Reducing valve 5, pressure-relief valve spring 6, reducing valve iron core 21, reducing valve seal ring 8, drive spindle seal ring 14, drive spindle 15, drive spindle guide pin bushing 16; Excess pressure valve 9, excess pressure valve spring 10, excess pressure valve blanking cover 11, excess pressure valve seal ring 12; Valve body 13, electromagnetic valve outer cover 20, multiple way switch S8 (form of switch can have difference, will introduce the form by ECU (ECU (Electrical Control Unit)) control later) and lead etc. are formed.Three outlets of control cock link to each other with associated components respectively.Cross-drilled hole A links to each other with oil pump S2 by oil pipe S3; Cross-drilled hole B links to each other with hydro-pneumatic spring or carrying bumper S7; Cross-drilled hole C links to each other with petrol storage tank S1.When needs rising bodywork height, multi-gear switch pushes the P1 position, and connection also starts oil pump S2 to hydro-pneumatic spring or carrying bumper S7 pump oil, makes system's supercharging and raises vehicle body.When needs reduced bodywork height, multi-gear switch pushed the P2 position, promoted drive spindle 15, jack-up reducing valve 5, and system's oil extraction decompression also descends vehicle body.When not needing to change bodywork height, multi-gear switch pushes the P0 position, and this moment, oil pump S2 and electromagnetic valve (magnet coil 22) all were in off-state.Because the effect of pressure charging valve 1 makes system be in self-locking state.
Embodiment such as Fig. 4-a of half electric regulation valve in suspension system with hydro-pneumatic spring or bearing-type bumper.Cross-drilled hole A connects oil pump, and cross-drilled hole B meets hydro-pneumatic spring or carrying bumper S7, and cross-drilled hole C is by oil return pipe S4 connected tank S1.
The realization of vehicle body lifting state (Fig. 4-a): when joystick 17 is pulled to the right, micro-switch 18 is pressed, power supply starts electric oil pump S2 through lead, and high pressure oil is communicated with cross-drilled hole B through pressure charging valve 1 from cross-drilled hole A, and oil pump lifts vehicle body to hydro-pneumatic spring or bearing-type bumper pump oil.
The realization of vehicle body decline state (Fig. 4-b): when joystick 17 is pulled left, micro-switch 18 is released, electric oil pump stops because of power supply is cut off, joystick 17 is stirred drive spindle 15 simultaneously, jack-up oil extraction reducing valve 5, cross-drilled hole B is communicated with cross-drilled hole C, and hydro-pneumatic spring or bearing-type bumper lead to fuel tank S1 oil extraction, release descends vehicle body.
The operating mode of automatic lifting when Fig. 4-c is automobile chance obstacle.When the 9 perception ground Clearances of terrain clearance sensors A were too small, relay A10 made the oil pump motor starting, and the supercharging of pump oil is raised vehicle body.
The full electric type control cock is at the hydro-pneumatic spring compound suspension frame or embodiment such as Fig. 5 in the suspension system of bearing-type bumper are housed.System is made up of fuel tank, electric oil pump, full electric type control cock.Cross-drilled hole A connects oil pump, and cross-drilled hole B meets hydro-pneumatic spring or carrying bumper S7, receives the input end of ECU (S6) simultaneously through pressure sensor S10.Cross-drilled hole C is by oil return pipe S4 connected tank S1.ECU has two above incoming signals (driver command and system pressure and terrain clearance etc.) and two output signals (electric oil pump switch and reducing valve switch).
The realization of vehicle body lifting state: when chaufeur during from one of input end of ECU (S6) input driver command, ECU (ECU (Electrical Control Unit)) makes comparisons the signal that it and pressure sensor S10 or terrain clearance sensors A 9 transmit; If the pressure of sensor is lower than driver requested value or ground Clearance during less than permissible value, then ECU connects electric oil pump by S4 system is boosted to raise vehicle body; When system pressure rise to the required value of chaufeur or ground Clearance when reaching driver requested scope ECU cut off electric oil pump, bodywork height is set up.If the pressure of sensor is higher than driver requested value or ground Clearance when excessive, ECU connects magnet coil 22 by S5 and inhales moving unshakable in one's determination 21, jack-up oil extraction reducing valve 5, cross-drilled hole B is communicated with cross-drilled hole C, hydro-pneumatic spring or bearing-type bumper lead to fuel tank S1 oil extraction, release descends vehicle body, go to zero the bodywork height locking until two incoming signal differences.
Fig. 6 provides another kind of coaxial half electrodynamic type suspension frame lifting and load adjusting valve, and its pressure charging valve is electrically operated, and reducing valve is an armstrong's patent, and both are coaxial arrangement.It has square valve body J13, and three limits of valve body J13 (or four limits) have four holes; Cross-drilled hole JA on the valve body and cross-drilled hole JB can be located at one side (left and right sides Bian Junke), also can divide to be located at both sides, and it is the simplification modification of Fig. 2 structure.Last cross-drilled hole JC is by oil return pipe S4 connected tank S1, and following cross-drilled hole JB meets hydro-pneumatic spring or carrying bumper S7, is provided with drive spindle guide pin bushing J16, drive spindle seal ring J14 and drive spindle J15 successively in the vertical hole JF on the valve body top; Be provided with pressure charging valve J1, pull back spring J2, reducing valve J 5 successively in the vertical hole JE in the valve body bottom; Be provided with excess pressure valve J9, excess pressure valve spring J10, excess pressure valve seal ring J12 and excess pressure valve joint J11 in the cross-drilled hole JC successively; The top of valve body J13 is provided with joystick J17 and micro-switch J18, and joystick J17 is used for driving micro-switch J18 or drive spindle J15; Vertical hole JA meets oil pump S2 by oil pipe S3 down; Be provided with pressure charging valve J1, pull back spring J2, pressure charging valve seal ring J4 and pressure charging valve joint J3 successively in the vertical hole JA down, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper S7 from oil pump S2 in the vertical hole JA, and mustn't be from oil pump S2 oil return; When needs rising bodywork height, joystick J17 pulls to the right, and micro-switch J18 is connected, and starts oil pump S2 to hydro-pneumatic spring or carrying bumper S7 pump oil, makes system's supercharging and raises vehicle body; When needs reduced bodywork height, joystick J17 pulled left, promoted drive spindle J15, backed down reducing valve J5, and system's oil extraction decompression also descends vehicle body.
Fig. 7 provides another kind of coaxial full electric type suspension frame lifting and load adjusting valve, and its pressure charging valve and reducing valve all are electrically operated, and both are coaxial arrangement.It has square valve body J13, and three limits of valve body J13 (or four limits) have four holes, and cross-drilled hole JA on the valve body and cross-drilled hole JB can be located at one side (left and right sides Bian Junke), also can divide to be located at both sides, and be the simplification modification of Fig. 5 structure.Last cross-drilled hole JC is by oil return pipe S4 connected tank S1, and following cross-drilled hole JB meets hydro-pneumatic spring or carrying bumper S7, is provided with drive spindle guide pin bushing J16, drive spindle seal ring J14 and drive spindle J15 successively in the vertical hole JF on the top; Be provided with pressure charging valve J1, pull back spring J2, reducing valve J5 successively in the vertical hole JE in the bottom; Be provided with excess pressure valve J9, excess pressure valve spring J10, excess pressure valve seal ring J12 and excess pressure valve joint J11 in the cross-drilled hole JC successively; The top of valve body J13 is provided with stepper motor drives J22 (or electromagnetic valve, referring to Fig. 3), is used for driving drive spindle J15; Vertical hole JA meets oil pump S2 by oil pipe S3 down; Be provided with pressure charging valve J1, pull back spring J2, pressure charging valve seal ring J4 and pressure charging valve joint J3 successively in the vertical hole JA down, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper S7 from oil pump S2 in the vertical hole JA, and mustn't be from oil pump S2 oil return.Described control cock also has multiple way switch S8 or ECU (S6).When needs rising bodywork height, connect and start oil pump S2 by multiple way switch S8 or ECU (S6) to hydro-pneumatic spring or bearing-type bumper S7 pump oil, make system's supercharging and raise vehicle body; When needs reduce bodywork height, by multiple way switch S8 or ECU (S6), promote drive spindle J15, back down reducing valve J5, system's oil extraction decompression also descends vehicle body; When not needing to change bodywork height, multiple way switch S8 or ECU (S6) shutoff signal, the non-return valve that is formed by pressure charging valve J1, pull back spring J2 makes system be in self-locking state, and bodywork height is constant.
Coaxial half electronic or full electric type suspension frame lifting and the load adjusting valve that is provided also can have height sensor A9 (referring to Fig. 1) and oil pump motor relay P4; When automobile ran into obstacle and need raise vehicle body, the signal triggering oil pump motor relay P4 of height sensor A9 started oil pump S2 to hydro-pneumatic spring or carrying bumper S7 pump oil, makes system's supercharging and raises vehicle body; When needs reduce bodywork height, then joystick J17 is pulled left for half electric control valve, promote drive spindle J15, back down reducing valve J5, system's oil extraction decompression also descends vehicle body; For all-electric control cock, then connect stepper motor drives J22 (or electromagnetic valve, referring to Fig. 3) by band switch (referring to Fig. 3) or ECU (referring to Fig. 5).
Claims (7)
1, a kind of half electrodynamic type suspension frame lifting and load adjusting valve arranged side by side has square valve body (13), and there are six holes on four limits of valve body (13), three is cross-drilled hole, three valve body (13) left side is cross-drilled hole A and cross-drilled hole B in order to indulge the hole, and the right is cross-drilled hole C, the top is vertical hole F, and is following for indulging hole D and vertical hole E; Cross-drilled hole A, cross-drilled hole B and cross-drilled hole C three holes are oil circuit interfaces; Cross-drilled hole A connects oil pump (S2) by oil pipe (S3), cross-drilled hole B connects hydro-pneumatic spring or carrying bumper (S7), cross-drilled hole C is by oil return pipe (S4) connected tank (S1), cross-drilled hole A is communicated with cross-drilled hole B by vertical hole D, vertical hole D is communicated with vertical hole E by cross-drilled hole B, vertical hole F is communicated with cross-drilled hole C, indulges hole F with the coaxial setting of vertical hole E and be communicated with; Be provided with pressure charging valve (1), pressure charging valve spring (2), pressure charging valve seal ring (4) and pressure charging valve blanking cover (3) successively in the vertical hole D, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper (S7) from oil pump (S2) in the vertical hole D, and mustn't be from oil pump (S2) oil return; Be provided with drive spindle guide pin bushing (16), drive spindle seal ring (14) and drive spindle (15) successively in the vertical hole F; Be provided with reducing valve (5), pressure-relief valve spring (6), reducing valve seal ring (8) and reducing valve blanking cover (7) successively in the vertical hole E; Be provided with excess pressure valve (9), excess pressure valve spring (10), excess pressure valve seal ring (12) and excess pressure valve blanking cover (11) in the cross-drilled hole C successively; The top of valve body (13) is provided with joystick (17) and micro-switch (18), control lever (17) is used for driving micro-switch (18) and drive spindle (15), when needs rising bodywork height, joystick (17) is pulled to the right, micro-switch (18) is connected, start oil pump (S2) to hydro-pneumatic spring or carrying bumper (S7) pump oil, make system's supercharging and raise vehicle body; When needs reduced bodywork height, joystick (17) was pulled left, promoted drive spindle (15), backed down reducing valve (5), and system's oil extraction decompression also descends vehicle body
2, a kind of full electric type suspension frame lifting arranged side by side and load adjusting valve have square valve body (13), and there are six holes on four limits of valve body (13), three is cross-drilled hole, three valve body (13) left side is cross-drilled hole A and cross-drilled hole B in order to indulge the hole, and the right is cross-drilled hole C, the top is vertical hole F, and is following for indulging hole D and vertical hole E; Cross-drilled hole A, cross-drilled hole B and cross-drilled hole C three holes are oil circuit interfaces; Cross-drilled hole A connects oil pump (S2) by oil pipe (S3), cross-drilled hole B connects hydro-pneumatic spring or carrying bumper (S7), cross-drilled hole C is by oil return pipe (S4) connected tank (S1), cross-drilled hole A is communicated with cross-drilled hole B by vertical hole D, vertical hole D is communicated with vertical hole E by cross-drilled hole B, vertical hole F is communicated with cross-drilled hole C, indulges hole F with the coaxial setting of vertical hole E and be communicated with; Be provided with pressure charging valve (1), pressure charging valve spring (2), pressure charging valve seal ring (4) and pressure charging valve blanking cover (3) successively in the vertical hole D, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper (S7) from oil pump (S2) in the vertical hole D, and mustn't be from oil pump (S2) oil return; Be provided with electromagnetic valve outer cover (20), reducing valve iron core (21), magnet coil (22), drive spindle seal ring (14), drive spindle (15) and drive spindle guide pin bushing (16) in the vertical hole F; Be provided with reducing valve (5), pressure-relief valve spring (6), reducing valve seal ring (8) and reducing valve blanking cover (7) successively in the vertical hole E; Be provided with excess pressure valve (9), excess pressure valve spring (10), excess pressure valve seal ring (12) and excess pressure valve blanking cover (11) in the cross-drilled hole C successively; Described control cock also has multiple way switch (S8) or ECU (S6), when needs rising bodywork height, connect and start oil pump (S2) by multiple way switch (S8) or ECU (S6), make system's supercharging and raise vehicle body to hydro-pneumatic spring or bearing-type bumper (S7) pump oil; When needs reduce bodywork height, by multiple way switch (S8) or ECU (S6), promote drive spindle (15), back down reducing valve (5), system's oil extraction decompression also descends vehicle body; When not needing to change bodywork height, multiple way switch (S8) or ECU (S6) shutoff signal, the non-return valve that is formed by pressure charging valve (1), pressure charging valve spring (2) makes system be in self-locking state, and bodywork height is constant.
3, a kind of coaxial half electrodynamic type suspension frame lifting and load adjusting valve has square valve body (J13), and three limits of valve body (J13) (or four limits) have four holes; Two is cross-drilled hole, two cross-drilled hole JA on the valve body and cross-drilled hole JB can be located at one side (left and right sides Bian Junke), also can divide to be located at both sides in order to indulge the hole, are the simplification distortion of claim 1.Last cross-drilled hole JC is by oil return pipe (S4) connected tank (S1), and following cross-drilled hole JB connects hydro-pneumatic spring or carrying bumper (S7), is provided with drive spindle guide pin bushing (J16), drive spindle seal ring (J14) and drive spindle (J15) in the vertical hole JF on the top successively; Be provided with pressure charging valve (J1), pull back spring (J2), reducing valve (J5) in the vertical hole JE in the bottom successively; Be provided with excess pressure valve (J9), excess pressure valve spring (J10), excess pressure valve seal ring (J12) and excess pressure valve joint (J11) in the cross-drilled hole JC successively; The top of valve body (J13) is provided with joystick (J17) and micro-switch (J18), and control lever (J17) is used for driving micro-switch (J18) and drive spindle (J15); Vertical hole JA connects oil pump (S2) by oil pipe (S3) down; Be provided with pressure charging valve (J1), pull back spring (J2), pressure charging valve seal ring (J4) and pressure charging valve joint (J3) successively in the vertical hole JA down, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper (S7) from oil pump (S2) in the vertical hole JA, and mustn't be from oil pump (S2) oil return; When needs rising bodywork height, joystick (J17) is pulled to the right, and micro-switch (J18) is connected, and starts oil pump (S2) to hydro-pneumatic spring or carrying bumper (S7) pump oil, makes system's supercharging and raises vehicle body; When needs reduced bodywork height, joystick (J17) was pulled left, promoted drive spindle (J15), backed down reducing valve (J5), and system's oil extraction decompression also descends vehicle body.
4, a kind of coaxial full electric type suspension frame lifting and load adjusting valve, has square valve body (J13), there are four holes on three limits of valve body (J13) (or four limits), two is that cross-drilled hole, two are vertical hole, cross-drilled hole JA on the valve body and cross-drilled hole JB, can be located at one side (left and right sides Bian Junke), also can divide to be located at both sides, be the simplification distortion of claim 1.Last cross-drilled hole JC is by oil return pipe (S4) connected tank (S1), and following cross-drilled hole JB connects hydro-pneumatic spring or carrying bumper (S7), is provided with drive spindle guide pin bushing (J16), drive spindle seal ring (J14) and drive spindle (J15) in the vertical hole JF on the top successively; Be provided with pressure charging valve (J1), pull back spring (J2), reducing valve (J5) in the vertical hole JE in the bottom successively; Be provided with excess pressure valve (J9), excess pressure valve spring (J10), excess pressure valve seal ring (J12) and excess pressure valve joint (J11) in the cross-drilled hole JC successively; The top of valve body (J13) is provided with stepper motor drives or electromagnet (J22) is used for promoting drive spindle (J15); Vertical hole JA connects oil pump (S2) by oil pipe (S3) down; Be provided with pressure charging valve (J1), pull back spring (J2), pressure charging valve seal ring (J4) and pressure charging valve joint (J3) successively in the vertical hole JA down, the oil that is arranged so that of pressure charging valve can only flow to hydro-pneumatic spring or carrying bumper (S7) from oil pump (S2) in the vertical hole JA, and mustn't be from oil pump (S2) oil return.Described control cock also has multiple way switch (S8) or ECU (S6), when needs rising bodywork height, connect and start oil pump (S2) by multiple way switch (S8) or ECU (S6), make system's supercharging and raise vehicle body to hydro-pneumatic spring or bearing-type bumper (S7) pump oil; When needs reduce bodywork height, by multiple way switch (S8) or ECU (S6), promote drive spindle (J15), back down reducing valve (J5), system's oil extraction decompression also descends vehicle body; When not needing to change bodywork height, multiple way switch (S8) or ECU (S6) shutoff signal, the non-return valve that is formed by pressure charging valve (J1), pull back spring (2) makes system be in self-locking state, and bodywork height is constant.
5, claim 1,2,3 and 4 described half electronic or full electric type suspension frame lifting and load adjusting valves, it is characterized in that: it also has height sensor (A9) and oil pump motor relay (P4); When automobile ran into obstacle and need raise vehicle body, the signal triggering oil pump motor relay (P4) of height sensor (A9) started oil pump (S2) to hydro-pneumatic spring or carrying bumper (S7) pump oil, makes system's supercharging and raises vehicle body; When needs reduced bodywork height, joystick (17) was pulled left, promoted drive spindle (15), backed down reducing valve (5), and system's oil extraction decompression also descends vehicle body.
6, claim 1 and 3 described half electrodynamic type suspension frame lifting and load adjusting valves, it is characterized in that: described joystick (17) is the integral structure that is formed by a montant and two side shoots; Two side shoots are used for driving micro-switch (18) and drive spindle (15) respectively.
7, claim 1,2,3 and 4 described half electronic and full electric type suspension frame lifting and load adjusting valves, it is characterized in that: excess pressure valve spring (10) has set pressure, can not be lower than the numerical value of requirement when the oil extraction to guarantee the oil pressure in hydro-pneumatic spring or the carrying bumper (S7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910008961A CN101612872A (en) | 2009-02-16 | 2009-02-16 | Suspension frame lifting and load adjusting valve and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910008961A CN101612872A (en) | 2009-02-16 | 2009-02-16 | Suspension frame lifting and load adjusting valve and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101612872A true CN101612872A (en) | 2009-12-30 |
Family
ID=41492822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910008961A Pending CN101612872A (en) | 2009-02-16 | 2009-02-16 | Suspension frame lifting and load adjusting valve and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101612872A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399215A (en) * | 2017-06-23 | 2017-11-28 | 北京机械设备研究所 | A kind of arrangement for adjusting height of independent oleo-pneumatic suspension |
| WO2023125983A1 (en) * | 2021-12-30 | 2023-07-06 | 比亚迪股份有限公司 | Hydraulic integrated control module, hydraulic suspension system having hydraulic integrated control module, and vehicle |
| WO2023125949A1 (en) * | 2021-12-30 | 2023-07-06 | 比亚迪股份有限公司 | Hydraulic suspension apparatus, hydraulic suspension system having same, and vehicle |
-
2009
- 2009-02-16 CN CN200910008961A patent/CN101612872A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399215A (en) * | 2017-06-23 | 2017-11-28 | 北京机械设备研究所 | A kind of arrangement for adjusting height of independent oleo-pneumatic suspension |
| CN107399215B (en) * | 2017-06-23 | 2019-09-06 | 北京机械设备研究所 | A kind of height adjustment device of independent oleo-pneumatic suspension |
| WO2023125983A1 (en) * | 2021-12-30 | 2023-07-06 | 比亚迪股份有限公司 | Hydraulic integrated control module, hydraulic suspension system having hydraulic integrated control module, and vehicle |
| WO2023125949A1 (en) * | 2021-12-30 | 2023-07-06 | 比亚迪股份有限公司 | Hydraulic suspension apparatus, hydraulic suspension system having same, and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11673444B2 (en) | Systems and methods for adapting tractive elements to a disabling event | |
| DE102013110526B4 (en) | Vehicle height adjustment device of a motorcycle | |
| CN201002520Y (en) | Hydraulic energy-feeding type vibration damping suspension for vehicle | |
| CN204279667U (en) | A kind of hydraulic lifting turning device of automobile cab | |
| CN103167978A (en) | Braking system for a vehicle and method for operating a braking system for a vehicle | |
| CN104284820A (en) | Vehicle brake system and pressure regulator used therein | |
| CN101612872A (en) | Suspension frame lifting and load adjusting valve and control system | |
| CN104608574A (en) | Vehicle side-turn-prevention suspension device | |
| CN102481911A (en) | Hydraulic Accumulator System And Method For Operating A Hydraulic Accumulator System | |
| CN203864675U (en) | Hydraulic braking system for mining dump trucks | |
| CN203713901U (en) | Braking system of freight wagon | |
| CN206186721U (en) | Vehicle operating system | |
| DE202015005033U1 (en) | Electronic trailer stabilization system | |
| CN201309388Y (en) | Load-supporting shock absorber suspension-lifting system | |
| CN202901111U (en) | Electronic control pneumatic clutch control device for vehicle | |
| CN105346532B (en) | A kind of hydraulic servo force aid system | |
| CN104837694A (en) | Brake system for land vehicle, and method for controlling brake system | |
| CN206264860U (en) | Self-unloading tipping prevention device | |
| DE102005019478B3 (en) | Overflow valve for vehicle pneumatic brake and suspension system has a switching valve in movable wall of bridging line | |
| CN110203028A (en) | A kind of hydro-pneumatic suspension system having anti-roll function and its control method | |
| CN204802471U (en) | Electronic tricycle sanitation car | |
| CN204506676U (en) | A kind of jacking system of hard-top caravan carriage lid | |
| CN201553217U (en) | Automobile cab hydraulic reversing device | |
| CN111169246A (en) | Chassis and vehicle | |
| CN107226102A (en) | Damper and shock absorber device for railway vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091230 |