CN204152895U - Oiling vent systems - Google Patents
Oiling vent systems Download PDFInfo
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- CN204152895U CN204152895U CN201420445688.XU CN201420445688U CN204152895U CN 204152895 U CN204152895 U CN 204152895U CN 201420445688 U CN201420445688 U CN 201420445688U CN 204152895 U CN204152895 U CN 204152895U
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Abstract
The utility model relates to hydraulic power unit technical field, particularly relate to a kind of oiling vent systems, it comprises fuel tank, oiling main pipeline, oil return main pipeline, the first oil hydraulic pump, the second oil hydraulic pump, the first switching bindiny mechanism, the second switching bindiny mechanism, controller, pressure transducer, the first driving mechanism of driving first oil hydraulic pump and the second driving mechanism of driving the second oil hydraulic pump; The other end of the oiling main pipeline at one end connected connects the filler opening of the first oil hydraulic pump; The other end at one end connecting the oil return main pipeline of fuel tank connects the oil outlet of the second oil hydraulic pump; The oil outlet of the first oil hydraulic pump switches bindiny mechanism by first and switches and the first hydraulic branch of Hydraulic interconnection suspension system and the connection of the second hydraulic branch; The filler opening of the second oil hydraulic pump switches the connection of bindiny mechanism's switching and the first hydraulic branch and the second hydraulic branch by second.The utility model good exhaust effect, is conducive to batch mechanized operation.
Description
Technical field
The utility model relates to hydraulic power unit technical field, particularly relates to a kind of oiling vent systems.
Background technique
Automotive suspension is vehicle frame or the force transmission connections between vehicle body and vehicle bridge, its specifically for: relax vehicle and be subject to from the impact force on road surface, the vibration because elastic system causes of decaying, lateral force, longitudinal force suffered by tire are passed to vehicle body and make wheel and vehicle body keep geometrical relationship.In order to improve the manoeuvring performance of vehicle, realize the cooperation control to smoothness and control stability, the research and development interconnected suspension system of vehicle hydraulic, the interconnected suspension system of described vehicle hydraulic specifically comprises two hydraulic branch be connected to form by multiple oil hydraulic cylinder, multiple accumulator and hydraulic tube.Experiment shows, the working pressure that normal need of work two hydraulic branch of Hydraulic interconnection suspension system reach is identical and can not have bubble in system.
In prior art for the method for exhausting of Hydraulic interconnection suspension system be: because the upper chamber of oil hydraulic cylinder and lower chambers offer a hydraulic fluid port respectively, so the gas in the upper chamber of oil hydraulic cylinder needs to discharge from the hydraulic fluid port of upper chamber, the gas of the lower chambers of oil hydraulic cylinder needs to discharge from the hydraulic fluid port of lower chambers, therefore in the process of oiling and exhaust, the piston rod pulling oil hydraulic cylinder is to and fro needed, to be discharged by corresponding hydraulic fluid port by the air in chamber.The defect of this kind of method for exhausting is: the diameter being generally used for the oil hydraulic cylinder of the Hydraulic interconnection suspension system of passenger vehicle is larger, frictional force between piston rod and inner wall of cylinder is larger, and also by additional hydraulic power in oiling process, inconvenience pulls oil hydraulic cylinder to realize exhaust process by external device back and forth.Therefore, urgently developing a kind of needs pulls the piston rod of oil hydraulic cylinder just can realize the vent systems of being discharged completely by the air in hydraulic cylinder cavity back and forth.
Model utility content
The purpose of this utility model is to provide a kind of oiling vent systems, and it can realize the object not needing to pull the piston rod of oil hydraulic cylinder just the air in hydraulic cylinder cavity can be discharged completely back and forth.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of oiling vent systems, for carrying out oiling exhaust to the interconnected suspension system of vehicle hydraulic, this oiling vent systems comprises fuel tank, oiling main pipeline, oil return main pipeline, first oil hydraulic pump, second oil hydraulic pump, first switches bindiny mechanism, second switches bindiny mechanism, for detecting the pressure transducer of the pipeline pressure of described oiling main pipeline, for driving the first driving mechanism of described first oil hydraulic pump, for driving the second driving mechanism of described second oil hydraulic pump and switching bindiny mechanism with described first respectively, described second switches bindiny mechanism, described pressure transducer, the controller of described first driving mechanism and described second driving mechanism electrical connection, wherein
One end of described oiling main pipeline connects described fuel tank, and the other end connects the filler opening of described first oil hydraulic pump;
One end of described oil return main pipeline connects described fuel tank, and the other end connects the oil outlet of described second oil hydraulic pump;
The oil outlet of described first oil hydraulic pump switches bindiny mechanism by described first and switches and the first hydraulic branch of described Hydraulic interconnection suspension system and the connection of the second hydraulic branch;
The filler opening of described second oil hydraulic pump switches the connection of bindiny mechanism's switching and described first hydraulic branch and described second hydraulic branch by described second;
Described controller controls according to the pipeline pressure that described pressure transducer detects the switching action that the described first switching action and described second switching bindiny mechanism switches bindiny mechanism.
Compared with prior art, the utility model has the advantage of: apply described oiling vent systems, only need the oiling and the exhaust oil return process that constantly switch suspension system two hydraulic branch, and do not need the piston rod pulling oil hydraulic cylinder by external force back and forth, air in suspension system can be emitted completely, exhaust effect is more excellent, and exhaust efficiency is higher, and realizes mechanized operation when being conducive to batch production.
In further technological scheme, described first switch bindiny mechanism comprise the first oiling subtube, the second oiling subtube, for cutting off/connecting the first oiling valve body of described first oiling subtube and the second oiling valve body for cutting off/connecting described second oiling subtube; Wherein
One end of described first oiling subtube connects the oil outlet of described first oil hydraulic pump, and the other end connects described first hydraulic branch by described first oiling valve body;
One end of described second oiling subtube connects the oil outlet of described first oil hydraulic pump, and the other end connects described second hydraulic branch by described second oiling valve body;
Described first oiling valve body and described second oiling valve body are all controlled by described controller.
Preferably, described first oiling valve body and described second oiling valve body are solenoid valve.
Preferably, described second switch bindiny mechanism comprise the first oil return subtube, the second oil return subtube, for cutting off/connecting the first oil return valve body of described first oil return subtube and the second oil return valve body for cutting off/connecting described second oil return subtube; Wherein
One end of described first oil return subtube connects the filler opening of described second oil hydraulic pump, and the other end connects described first hydraulic branch by described first oil return valve body;
One end of described second oil return subtube connects the filler opening of described second oil hydraulic pump, and the other end connects described second hydraulic branch by described second oil return valve body;
Described first oil return valve body and described second oil return valve body are all controlled by described controller.
Preferably, described first oil return valve body and described second oil return valve body are solenoid valve.
Preferably, described first switching bindiny mechanism comprises oiling two-position three way magnetic valve, the first oiling subtube and the second oiling subtube; Wherein
The oil outlet of described first oil hydraulic pump connects the filler opening of described oiling two-position three way magnetic valve by described oiling main pipeline, first actuator port of described oiling two-position three way magnetic valve connects described first hydraulic branch by described first oiling subtube, and the second actuator port of described oiling two-position three way magnetic valve connects described second hydraulic branch by described second oiling subtube;
Described oiling two-position three way magnetic valve is controlled by described controller.
Preferably, described second switching bindiny mechanism comprises oil return two-position three way magnetic valve, the first oil return subtube and the second oil return subtube; Wherein
The filler opening of described second oil hydraulic pump connects the filler opening of described oil return two-position three way magnetic valve by described oil return main pipeline, first actuator port of described oil return two-position three way magnetic valve connects described first hydraulic branch by described first oil return subtube, and the second actuator port of described oil return two-position three way magnetic valve connects described second hydraulic branch by described second oil return subtube;
Described oil return two-position three way magnetic valve is controlled by described controller.
Preferably, described oiling main pipeline connects described oil return main pipeline by relief valve.
Preferably, described first driving mechanism comprises the first motor and the first coupling, and described first motor is connected with the transmission shaft driven of described first oil hydraulic pump by described first coupling; Described second driving mechanism comprises the second motor and the second coupling, and described second motor is connected with the transmission shaft driven of described second oil hydraulic pump by described second coupling.
Preferably, the interconnected suspension system of described vehicle hydraulic comprises left side front-wheel oil hydraulic cylinder, right side front wheel oil hydraulic cylinder, left side rear wheel oil hydraulic cylinder and right side rear wheel oil hydraulic cylinder, by the upper chamber of described left side front-wheel oil hydraulic cylinder, the lower chambers of described right side front wheel oil hydraulic cylinder, the upper chamber of described left side rear wheel oil hydraulic cylinder and the lower chambers of described right side rear wheel oil hydraulic cylinder are connected to form described first hydraulic branch, by the lower chambers of described left side front-wheel oil hydraulic cylinder, the upper chamber of described right side front wheel oil hydraulic cylinder, the lower chambers of described left side rear wheel oil hydraulic cylinder and the upper chamber of described right side rear wheel oil hydraulic cylinder are connected to form described second hydraulic branch.
Preferably, the interconnected suspension system of described vehicle hydraulic comprises left side front-wheel oil hydraulic cylinder, right side front wheel oil hydraulic cylinder, left side rear wheel oil hydraulic cylinder and right side rear wheel oil hydraulic cylinder, by the upper chamber of described left side front-wheel oil hydraulic cylinder, the upper chamber of described right side front wheel oil hydraulic cylinder, the upper chamber of described left side rear wheel oil hydraulic cylinder and the upper chamber of described right side rear wheel oil hydraulic cylinder are connected to form described first hydraulic branch, by the lower chambers of described left side front-wheel oil hydraulic cylinder, the lower chambers of described right side front wheel oil hydraulic cylinder, the lower chambers of described left side rear wheel oil hydraulic cylinder and the lower chambers of described right side rear wheel oil hydraulic cylinder are connected to form described second hydraulic branch.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is mode of executions more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the interconnected suspension system of vehicle hydraulic in prior art;
Fig. 2 is the another kind of structural representation of the interconnected suspension system of vehicle hydraulic in prior art;
A kind of structural representation of the oiling vent systems that Fig. 3 provides for the utility model embodiment;
The another kind of structural representation of the oiling vent systems that Fig. 4 provides for the utility model embodiment.
Embodiment
Carry out clear, complete description below with reference to the technological scheme of accompanying drawing to each embodiment of the utility model, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, belong to the scope that the utility model is protected.
For solving the defect for the method for exhausting of Hydraulic interconnection suspension system in prior art: the diameter being generally used for the oil hydraulic cylinder of the Hydraulic interconnection suspension system of passenger vehicle is larger, frictional force between piston rod and inner wall of cylinder is larger, and also by additional hydraulic power in oiling process, inconvenience pulls oil hydraulic cylinder to realize exhaust process by external device back and forth, the utility model provides a kind of oiling vent systems, it can realize the object not needing to pull the piston rod of oil hydraulic cylinder just the air in hydraulic cylinder cavity can be discharged completely back and forth, the concrete structure of this oiling vent systems is described in detail in embodiment 1 hereinafter and embodiment 2.For convenience of understanding, composition graphs 1 and Fig. 2 introduce the structure of two kinds of interconnected suspension systems of vehicle hydraulic respectively below, the application of the oiling vent systems described in certain the utility model enforcement is not limited to following these two kinds of interconnected suspension systems of vehicle hydraulic that will introduce, and also should be application of the present utility model for the Hydraulic interconnection suspension system had more than 4 oil hydraulic cylinders (such as 6 oil hydraulic cylinders).
As shown in Figure 1, be a kind of structural representation of the interconnected suspension system of vehicle hydraulic in prior art, the interconnected suspension system of this vehicle hydraulic has anti-roll function.Described Hydraulic interconnection suspension system comprises left side front-wheel oil hydraulic cylinder 11, right side front wheel oil hydraulic cylinder 12, left side rear wheel oil hydraulic cylinder 13 and right side rear wheel oil hydraulic cylinder 14, by the upper chamber of described left side front-wheel oil hydraulic cylinder 11, the lower chambers of described right side front wheel oil hydraulic cylinder 12, the upper chamber of described left side rear wheel oil hydraulic cylinder 13 and the lower chambers of described right side rear wheel oil hydraulic cylinder 14 are connected to form one first hydraulic branch, by the lower chambers of described left side front-wheel oil hydraulic cylinder 11, the upper chamber of described right side front wheel oil hydraulic cylinder 12, the lower chambers of described left side rear wheel oil hydraulic cylinder 13 and the upper chamber of described right side rear wheel oil hydraulic cylinder 14 are connected to form one second hydraulic branch.
Particularly, 4 oil hydraulic cylinders of above-mentioned formation suspension system all elect following structure as, oil hydraulic cylinder comprises piston, piston rod and has the cylinder body of holding cavity, described holding cavity is divided into upper chamber and lower chambers by the described piston be arranged in described holding cavity, described piston rod is arranged on described bottom chamber, one end of described piston rod is fixedly connected with described piston, and the other end extend out to outside described holding cavity; Described cylinder body also offers the first hydraulic fluid port and first row pore that are all connected with described upper chamber, and the second hydraulic fluid port be all connected with described lower chambers and second row pore.
In described first hydraulic branch, the upper chamber of described left side front-wheel oil hydraulic cylinder 11 is connected with the lower chambers of right side front wheel oil hydraulic cylinder 12 by the first pipeline 101, the upper chamber of described left side rear wheel oil hydraulic cylinder 13 is connected by the lower chambers of the 3rd pipeline 103 with described right side rear wheel oil hydraulic cylinder 14, and the upper chamber of described left side front-wheel oil hydraulic cylinder 11 is also connected with the upper chamber of left side rear wheel oil hydraulic cylinder 13 by the 5th pipeline 105.Accordingly, in described second hydraulic branch, the lower chambers of described left side front-wheel oil hydraulic cylinder 11 is connected by the upper chamber of second pipe 102 with described right side front wheel oil hydraulic cylinder 12, the lower chambers of described left side rear wheel oil hydraulic cylinder 13 is connected by the upper chamber of the 4th pipeline 104 with described right side rear wheel oil hydraulic cylinder 14, and the upper chamber of described right side front wheel oil hydraulic cylinder 12 is also connected by the upper chamber of the 6th pipeline 106 with described right side rear wheel oil hydraulic cylinder 14.In addition, described Hydraulic interconnection suspension system also comprises the first accumulator 21 of connection first hydraulic branch and connects the second accumulator 22 of the second hydraulic branch, with reference to Fig. 1, described first accumulator 21 is preferably arranged on the 5th pipeline 105, and described second accumulator 22 is preferably arranged on the 6th pipeline 106.
As shown in Figure 2, be the another kind of structural representation of the interconnected suspension system of vehicle hydraulic in prior art, the interconnected suspension system of this vehicle hydraulic has anti-vertical vibration function.With reference to Fig. 2, this Hydraulic interconnection suspension system comprises left side front-wheel oil hydraulic cylinder 11, right side front wheel oil hydraulic cylinder 12, left side rear wheel oil hydraulic cylinder 13 and right side rear wheel oil hydraulic cylinder 14, by the upper chamber of described left side front-wheel oil hydraulic cylinder 11, the upper chamber of described right side front wheel oil hydraulic cylinder 12, the upper chamber of described left side rear wheel oil hydraulic cylinder 13 and the upper chamber of described right side rear wheel oil hydraulic cylinder 14 are connected to form one first hydraulic branch, by the lower chambers of described left side front-wheel oil hydraulic cylinder 11, the lower chambers of described right side front wheel oil hydraulic cylinder 12, the lower chambers of described left side rear wheel oil hydraulic cylinder 13 and the lower chambers of described right side rear wheel oil hydraulic cylinder 14 are connected to form one second hydraulic branch.
Particularly, in described first hydraulic branch, the upper chamber of described left side front-wheel oil hydraulic cylinder 11 is connected with the upper chamber of right side front wheel oil hydraulic cylinder 12 by the 7th pipeline 107, the upper chamber of described left side rear wheel oil hydraulic cylinder 13 is connected by the upper chamber of the 9th pipeline 109 with described right side rear wheel oil hydraulic cylinder 14, and the upper chamber of described left side front-wheel oil hydraulic cylinder 11 is also connected with the upper chamber of left side rear wheel oil hydraulic cylinder 13 by the 11 pipeline 111.Accordingly, in described second hydraulic branch, the lower chambers of described left side front-wheel oil hydraulic cylinder 11 is connected by the lower chambers of the 8th pipeline 108 with described right side front wheel oil hydraulic cylinder 12, the lower chambers of described left side rear wheel oil hydraulic cylinder 13 is connected by the lower chambers of the tenth pipeline 110 with described right side rear wheel oil hydraulic cylinder 14, and the lower chambers of described right side front wheel oil hydraulic cylinder 12 is also connected by the lower chambers of the 12 pipeline 112 with described right side rear wheel oil hydraulic cylinder 14.In addition, described Hydraulic interconnection suspension system also comprises the first accumulator 21 of connection first hydraulic branch and connects the second accumulator 22 of the second hydraulic branch, with reference to Fig. 2, described first accumulator 21 is preferably arranged on the 11 pipeline 111, and described second accumulator 22 is preferably arranged on the 12 pipeline 112.
Oiling vent systems described in the utility model embodiment, except being applicable to above two kinds of interconnected suspension systems of vehicle hydraulic, is also applicable to other any Hydraulic interconnection suspension system with two hydraulic branch.
Embodiment 1
As shown in Figure 3, be a kind of structural representation of the oiling vent systems that the utility model embodiment provides, this oiling vent systems mainly comprises fuel tank 31, oiling main pipeline, oil return main pipeline, the first oil hydraulic pump 381, second oil hydraulic pump 382, first switching bindiny mechanism, the second switching bindiny mechanism, pressure transducer 39, first driving mechanism, the second driving mechanism and controller 40.
Particularly, hydraulic oil is filled in described fuel tank 31, a transparent conduit 33 is preferably installed in the side of this fuel tank 31, the two ends of this conduit 33 are communicated with bottom with the top of fuel tank 31 respectively, thus staff can learn the liquid level of hydraulic oil in fuel tank 31 by the liquid level of observing hydraulic oil in conduit 33.In addition, fuel tank 31 is also provided with fuel tank 31 filler opening 34 and fuel tank 31 oil outlet 35.
Described first driving mechanism is for driving the first oil hydraulic pump 381, second driving mechanism for driving the second oil hydraulic pump 382.Particularly, this first driving mechanism preferably includes the first motor 361 and the first coupling 371, described first motor 361 is connected with the transmission shaft driven of the first oil hydraulic pump 381 by the first coupling 371, to drive the first oil hydraulic pump 381 to fluid injection force feed in described Hydraulic interconnection suspension system; Similarly, described second driving mechanism comprises the second motor 362 and the second coupling 372, described second motor 362 is connected with the transmission shaft driven of the second oil hydraulic pump 382 by the second coupling 372, to drive the second oil hydraulic pump 382, the hydraulic oil in described Hydraulic interconnection suspension system is drawn back fuel tank 31.In addition, described first driving mechanism and the second driving mechanism are all controlled by described controller 40, specifically, be that the first motor 361 in the first driving mechanism and the second motor 362 in the second driving mechanism are all controlled by controller 40, controlled the operation of the first motor 361 and the second motor 362 by controller 40.
Described pressure transducer 39 is for detecting the pipeline pressure of oiling main pipeline, and the pipeline pressure of the oiling main pipeline detected is sent to controller 40 by this pressure transducer 39 in real time.
Described controller 40 also switches bindiny mechanism and second respectively and switches bindiny mechanism and be electrically connected with first, to control the switching action that the first switching bindiny mechanism and second switches bindiny mechanism.This controller 40 is preferably the one in central processing unit (CPU) (CPU), FPGA logic controller (PLC), single-chip microcomputer or flush bonding processor, at the present embodiment, because control object is vehicle suspension system, so controller 40 is preferably the electronic control unit (ECU of car load, Electronic Control Unit), i.e. " car running computer " of car load.
With reference to Fig. 1, the concrete pipeline connection of above-mentioned oiling vent systems is: one end of described oiling main pipeline connects described fuel tank 31, and the other end connects the filler opening of described first oil hydraulic pump 381; One end of described oil return main pipeline connects described fuel tank 31, and the other end connects the oil outlet of described second oil hydraulic pump 382; Further, the oil outlet of described first oil hydraulic pump 381 switches bindiny mechanism's switching and the first hydraulic branch 31 of described Hydraulic interconnection suspension system and the connection of the second hydraulic branch B by described first; The filler opening of described second oil hydraulic pump 382 switches the connection of bindiny mechanism's switching and described first hydraulic branch 31 and described second hydraulic branch B by described second.Especially, described oiling main pipeline connects described fuel tank 31 preferably by the first filter 321, and described oil return main pipeline connects described fuel tank 31 preferably by the second filter 322.
Above-mentioned first switch bindiny mechanism and second switch bindiny mechanism can be chosen as in prior art any mechanism that can realize the switching between main road with two branch roads and be connected, described first switch linkage structure and second switching linkage structure concrete structure by hereinafter in conjunction with the embodiments the embodiment 3 of 2 be described in detail.
The working principle of the oiling vent systems described in the present embodiment is: in order to improve oiling and the exhaust efficiency of Hydraulic interconnection suspension system, oiling vent systems described in the utility model embodiment utilizes the first oil hydraulic pump 381 to suspension system oiling, utilize the exhaust of pumping from suspension system of the second oil hydraulic pump 382 (to enter into the air of the second oil hydraulic pump 382 simultaneously, can automatically discharge from the oil outlet of the second oil hydraulic pump 382), the pipeline pressure signal intensity of the oiling main pipeline detected by pressure transducer 39 in process, the switching action and second utilizing controller 40 to control the first switching bindiny mechanism switches the switching action of bindiny mechanism, with the first hydraulic branch 31 and the second hydraulic branch B that make Hydraulic interconnection suspension system realize oiling and oil return exhaust hocket, even if the first state of Hydraulic interconnection suspension system and the second state hocket, wherein the first state refers to, first hydraulic branch 31 of Hydraulic interconnection suspension system corresponds to oiling process, now the second hydraulic branch B corresponds to exhaust oil return process, second state refers to, first hydraulic branch 31 of Hydraulic interconnection suspension system corresponds to exhaust oil return process, now the second hydraulic branch B corresponds to oiling process, by hocketing of above-mentioned first state and the second state, the air venting in interconnected for vehicle hydraulic suspension system can be gone out by described oiling vent systems.
Particularly, first regulate the first switching bindiny mechanism and second to switch linkage structure by controller 40, make Hydraulic interconnection suspension system be in the first state, the first hydraulic branch 31 carries out oiling, and the second hydraulic branch B is exhausted oil return.By the oiling of the first oil hydraulic pump 381, the pipeline pressure of the first hydraulic branch 31 will increase gradually, simultaneously by the oil pumping of the second oil hydraulic pump 382, the reduction gradually of the pipeline pressure of the second hydraulic branch B, under the effect of pressure difference, the piston rod of left side oil hydraulic cylinder (comprising left side front-wheel oil hydraulic cylinder 11 and left side rear wheel oil hydraulic cylinder 13) down moves; Correspondingly, the piston rod of right side oil hydraulic cylinder (comprising right side front wheel oil hydraulic cylinder 12 and right side rear wheel oil hydraulic cylinder 14) up moves simultaneously.After the piston rod of four oil hydraulic cylinders moves a period of time (or motion one segment distance) in the manner described above, when being continued toward the first hydraulic branch 31 oiling by the first oil hydraulic pump 381, then the pipeline pressure of oiling main pipeline will increase rapidly, be arranged on the pipeline pressure of the pressure transducer 39 Real-Time Monitoring oiling main pipeline of oiling main pipeline and pipeline pressure value is sent to controller 40 in real time, when controller 40 judges that the pipeline pressure that pressure transducer 39 sends over is greater than the threshold value of setting, described controller 40 switches bindiny mechanism by control break first and the second switching linkage structure makes above-mentioned Hydraulic interconnection suspension system switch to the second state from the first state.When Hydraulic interconnection suspension system is in the second state, with the first state on the contrary, the first hydraulic branch 31 is exhausted oil return, and the second hydraulic branch B carries out oiling.The pipeline pressure signal of the oiling main pipeline monitored by pressure transducer 39 is as the input of control signal, constantly switch the first switching bindiny mechanism and second by controller 40 and switch the annexation be connected with the first hydraulic branch 31 and the second hydraulic branch B, realize the first hydraulic branch 31 and the second hydraulic branch B and alternately carry out oiling and exhaust oil return process, effectively automatically can realize the exhaust for the interconnected suspension of vehicle hydraulic.In addition, in oiling exhaust process, the upper end of oil hydraulic cylinder first can be fixed, lower end is adjusted to suitable position again and is fixed after draining gas.
What deserves to be explained is, in actual implementation process, controller 40 should be able to arrange freely pressure ratio compared with threshold value, to arrange its suitable threshold value according to actual vehicle size and oil hydraulic cylinder size, this threshold value can be demarcated according to the working environment of reality, concrete calibration method is the technological means that those skilled in the art's routine adopts, therefore no longer carries out expansion explanation in this article.
The oiling vent systems of application described in the present embodiment, only need the oiling and the exhaust oil return process that constantly switch suspension system two hydraulic branch, and do not need the piston rod pulling oil hydraulic cylinder by external force back and forth, air in suspension system can be emitted completely, exhaust effect is more excellent, exhaust efficiency is higher, and realizes mechanized operation when being conducive to batch production.
Embodiment 2
Provide above-mentioned first in the present embodiment and switch the preferred structure of one that bindiny mechanism and second switches bindiny mechanism, concrete with reference to Fig. 3, described first switches bindiny mechanism comprises the first oiling subtube, the second oiling subtube, the first oiling valve body 421 and the second oiling valve body 422.Correspondingly, described second switching bindiny mechanism comprises the first oil return subtube, the second oil return subtube, the first oil return valve body 423 and the second oil return valve body 424.
Particularly, described first oiling valve body 421 is for cutting off/connecting the first oiling subtube, this the first oiling valve body 421 can be chosen as arbitrarily can controlled switch valve (such as servomotor driven change valve etc.), in a preferred embodiment of the present utility model, described first oiling valve body 421 is preferably solenoid valve.Similarly, described second oiling valve body 422 is for cutting off/connecting described second oiling subtube, this the second oiling valve body 422 can be chosen as arbitrarily can controlled switch valve (such as servomotor driven change valve etc.), in a preferred embodiment of the present utility model, described second oiling valve body 422 is also preferably solenoid valve.Described first oiling valve body 421 and the second oiling valve body 422 are all controlled by described controller 40, are connected the action of the first oiling valve body 421 and the second oiling valve body 422 by controller 40.
One end of described first oiling subtube connects the oil outlet of the first oil hydraulic pump 381, and the other end connects the first hydraulic branch 31 of Hydraulic interconnection suspension system by the first oiling valve body 421; One end of described second oiling subtube also connects the oil outlet of the first oil hydraulic pump 381, and the other end connects the second hydraulic branch B of Hydraulic interconnection suspension system by the second oiling valve body 422.
Be similar to the first switching bindiny mechanism, second switches the first oil return valve body 423 of bindiny mechanism for cutting off/connecting described first oil return subtube, this the first oil return valve body 423 can be chosen as arbitrarily can controlled switch valve (such as servomotor driven change valve etc.), in a preferred embodiment of the present utility model, described first oil return valve body 423 is preferably solenoid valve.Second switches the second oil return valve body 424 of bindiny mechanism for cutting off/connecting described second oil return subtube, this the second oil return valve body 424 can be chosen as arbitrarily can controlled switch valve (such as servomotor driven change valve etc.), in a preferred embodiment of the present utility model, described second oil return valve body 424 is preferably solenoid valve.Described first oil return valve body 423 and the second oil return valve body 424 are all controlled by described controller 40, are connected the action of the first oil return valve body 423 and the second oil return valve body 424 by controller 40.
One end of described first oil return subtube connects the filler opening of described second oil hydraulic pump 382, and the other end connects described first hydraulic branch 31 by described first oil return valve body 423; One end of described second oil return subtube connects the filler opening of described second oil hydraulic pump 382, and the other end connects described second hydraulic branch B by described second oil return valve body 424.
In the present embodiment, controller 40 passes through the action of control first oiling valve body 421, second oiling valve body 422, first oil return valve body 423 and the second oil return valve body 424, and Hydraulic interconnection suspension system is switched back and forth in above-mentioned first state and the second state.Particularly, for described first state, controller 40 carries out following control: open the first oiling valve body 421 and close the second oiling valve body 422, close the first oil return valve body 423 simultaneously and open the second oil return valve body 424, thus reach and carry out oiling by the first hydraulic branch 31, the second hydraulic branch B is exhausted the first state of oil return.For described second state, controller 40 carries out following control: close the first oiling valve body 421 and open the second oiling valve body 422, open the first oil return valve body 423 simultaneously and close the second oil return valve body 424, thus reach and be exhausted oil return by the first hydraulic branch 31, the second hydraulic branch B carries out the second state of oiling.
Embodiment 3
As shown in Figure 4, it is the another kind of structural representation of the oiling vent systems that the utility model embodiment provides, in the present embodiment, mainly the first oiling valve body 421 in embodiment 3 and the second oiling valve body 422 solenoid directional control valve are substituted, the first oil return valve body 423 in embodiment 3 and second another solenoid directional control valve of oil return valve body 424 are substituted simultaneously, simplify pipeline structure, reduce the development cost of oiling vent systems and the rate of fault of vent systems.
With reference to Fig. 4, described first switches bindiny mechanism comprises oiling two-position three way magnetic valve 431, first oiling subtube and the second oiling subtube; Described second switches bindiny mechanism comprises oil return two-position three way magnetic valve 432, first oil return subtube and the second oil return subtube.
Particularly, the oil outlet of described first oil hydraulic pump 381 connects the filler opening (P hydraulic fluid port) of described oiling two-position three way magnetic valve 431 by described oiling main pipeline, first actuator port (31 hydraulic fluid port) of described oiling two-position three way magnetic valve 431 connects described first hydraulic branch 31 by described first oiling subtube, and second actuator port (B hydraulic fluid port) of described oiling two-position three way magnetic valve 431 connects described second hydraulic branch B by described second oiling subtube.
The filler opening of described second oil hydraulic pump 382 connects the filler opening (P hydraulic fluid port) of described oil return two-position three way magnetic valve 432 by described oil return main pipeline, first actuator port (31 hydraulic fluid port) of described oil return two-position three way magnetic valve 432 connects described first hydraulic branch 31 by described first oil return subtube, and second actuator port (B hydraulic fluid port) of described oil return two-position three way magnetic valve 432 connects described second hydraulic branch B by described second oil return subtube.
Described oiling two-position three way magnetic valve 431 and oil return two-position three way magnetic valve 432 are all electrically connected with described controller 40, the working state of oiling two-position three way magnetic valve 431 is changed, to switch oiling main pipeline and the connection between the first oiling subtube and the second oiling subtube by controller 40; Similarly, changed the working state of oil return two-position three way magnetic valve 432 by controller 40, to switch oil return main pipeline and the connection between the first oil return subtube and the second oil return subtube.
Further; in order to ensure that the pipeline pressure of hydraulic system (comprising hydraulic suspension system and oiling vent systems) can not be too high; in a preferred embodiment of the present utility model; described oiling main pipeline connects described oil return main pipeline by relief valve 41, thus the pipeline of whole hydraulic system plays a protective action.
Further, in order to ensure the one-way flow of hydraulic oil, in the preferred embodiment that this is bright, at the oil outlet place of the first oil hydraulic pump 381, the first one-way valve is set, the oil outlet of the first oil hydraulic pump 381 is connected with the filler opening of the first one-way valve, to ensure that hydraulic oil can only be flowed from the first oil hydraulic pump 381 toward suspension system direction.In addition, the first oiling subtube arranges the second one-way valve, the second oiling subtube arranges the 3rd one-way valve, to ensure that hydraulic oil can only flow in hydraulic system.In addition, first oil return subtube arranges the 4th one-way valve, second oil return subtube arranges the 5th one-way valve, to ensure that hydraulic oil can only flow back to the fuel tank 31 of oiling vent systems from suspension system, the setting of each one-way valve ensure that the service behaviour of oiling vent systems and suspension system.
Further, conveniently staff sees the pipeline pressure of oiling main pipeline easily clearly, can except arranging except the pressure transducer 39 that be electrically connected with controller 40 on described oiling main pipeline, can also to arrange on described oiling main pipeline and for showing the pressure gauge of the pipeline pressure of described oiling main pipeline.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (11)
1. an oiling vent systems, for carrying out oiling exhaust to the interconnected suspension system of vehicle hydraulic, it is characterized in that, comprise fuel tank, oiling main pipeline, oil return main pipeline, first oil hydraulic pump, second oil hydraulic pump, first switches bindiny mechanism, second switches bindiny mechanism, for detecting the pressure transducer of the pipeline pressure of described oiling main pipeline, for driving the first driving mechanism of described first oil hydraulic pump, for driving the second driving mechanism of described second oil hydraulic pump and switching bindiny mechanism with described first respectively, described second switches bindiny mechanism, described pressure transducer, the controller of described first driving mechanism and described second driving mechanism electrical connection, wherein
One end of described oiling main pipeline connects described fuel tank, and the other end connects the filler opening of described first oil hydraulic pump;
One end of described oil return main pipeline connects described fuel tank, and the other end connects the oil outlet of described second oil hydraulic pump;
The oil outlet of described first oil hydraulic pump switches bindiny mechanism by described first and switches and the first hydraulic branch of described Hydraulic interconnection suspension system and the connection of the second hydraulic branch;
The filler opening of described second oil hydraulic pump switches the connection of bindiny mechanism's switching and described first hydraulic branch and described second hydraulic branch by described second;
Described controller controls according to the pipeline pressure that described pressure transducer detects the switching action that the described first switching action and described second switching bindiny mechanism switches bindiny mechanism.
2. oiling vent systems as claimed in claim 1, it is characterized in that, described first switch bindiny mechanism comprise the first oiling subtube, the second oiling subtube, for cutting off/connecting the first oiling valve body of described first oiling subtube and the second oiling valve body for cutting off/connecting described second oiling subtube; Wherein
One end of described first oiling subtube connects the oil outlet of described first oil hydraulic pump, and the other end connects described first hydraulic branch by described first oiling valve body;
One end of described second oiling subtube connects the oil outlet of described first oil hydraulic pump, and the other end connects described second hydraulic branch by described second oiling valve body;
Described first oiling valve body and described second oiling valve body are all controlled by described controller.
3. oiling vent systems as claimed in claim 2, it is characterized in that, described first oiling valve body and described second oiling valve body are solenoid valve.
4. oiling vent systems as claimed in claim 1, it is characterized in that, described second switch bindiny mechanism comprise the first oil return subtube, the second oil return subtube, for cutting off/connecting the first oil return valve body of described first oil return subtube and the second oil return valve body for cutting off/connecting described second oil return subtube; Wherein
One end of described first oil return subtube connects the filler opening of described second oil hydraulic pump, and the other end connects described first hydraulic branch by described first oil return valve body;
One end of described second oil return subtube connects the filler opening of described second oil hydraulic pump, and the other end connects described second hydraulic branch by described second oil return valve body;
Described first oil return valve body and described second oil return valve body are all controlled by described controller.
5. oiling vent systems as claimed in claim 4, it is characterized in that, described first oil return valve body and described second oil return valve body are solenoid valve.
6. oiling vent systems as claimed in claim 1, is characterized in that, described first switches bindiny mechanism comprises oiling two-position three way magnetic valve, the first oiling subtube and the second oiling subtube; Wherein
The oil outlet of described first oil hydraulic pump connects the filler opening of described oiling two-position three way magnetic valve by described oiling main pipeline, first actuator port of described oiling two-position three way magnetic valve connects described first hydraulic branch by described first oiling subtube, and the second actuator port of described oiling two-position three way magnetic valve connects described second hydraulic branch by described second oiling subtube;
Described oiling two-position three way magnetic valve is controlled by described controller.
7. oiling vent systems as claimed in claim 1, is characterized in that, described second switches bindiny mechanism comprises oil return two-position three way magnetic valve, the first oil return subtube and the second oil return subtube; Wherein
The filler opening of described second oil hydraulic pump connects the filler opening of described oil return two-position three way magnetic valve by described oil return main pipeline, first actuator port of described oil return two-position three way magnetic valve connects described first hydraulic branch by described first oil return subtube, and the second actuator port of described oil return two-position three way magnetic valve connects described second hydraulic branch by described second oil return subtube;
Described oil return two-position three way magnetic valve is controlled by described controller.
8. the oiling vent systems as described in any one of claim 1 to 7, is characterized in that, described oiling main pipeline connects described oil return main pipeline by relief valve.
9. the oiling vent systems as described in any one of claim 1 to 7, it is characterized in that, described first driving mechanism comprises the first motor and the first coupling, and described first motor is connected with the transmission shaft driven of described first oil hydraulic pump by described first coupling; Described second driving mechanism comprises the second motor and the second coupling, and described second motor is connected with the transmission shaft driven of described second oil hydraulic pump by described second coupling.
10. the oiling vent systems as described in any one of claim 1 to 7, it is characterized in that, the interconnected suspension system of described vehicle hydraulic comprises left side front-wheel oil hydraulic cylinder, right side front wheel oil hydraulic cylinder, left side rear wheel oil hydraulic cylinder and right side rear wheel oil hydraulic cylinder, by the upper chamber of described left side front-wheel oil hydraulic cylinder, the lower chambers of described right side front wheel oil hydraulic cylinder, the upper chamber of described left side rear wheel oil hydraulic cylinder and the lower chambers of described right side rear wheel oil hydraulic cylinder are connected to form described first hydraulic branch, by the lower chambers of described left side front-wheel oil hydraulic cylinder, the upper chamber of described right side front wheel oil hydraulic cylinder, the lower chambers of described left side rear wheel oil hydraulic cylinder and the upper chamber of described right side rear wheel oil hydraulic cylinder are connected to form described second hydraulic branch.
11. oiling vent systems as described in any one of claim 1 to 7, it is characterized in that, the interconnected suspension system of described vehicle hydraulic comprises left side front-wheel oil hydraulic cylinder, right side front wheel oil hydraulic cylinder, left side rear wheel oil hydraulic cylinder and right side rear wheel oil hydraulic cylinder, by the upper chamber of described left side front-wheel oil hydraulic cylinder, the upper chamber of described right side front wheel oil hydraulic cylinder, the upper chamber of described left side rear wheel oil hydraulic cylinder and the upper chamber of described right side rear wheel oil hydraulic cylinder are connected to form described first hydraulic branch, by the lower chambers of described left side front-wheel oil hydraulic cylinder, the lower chambers of described right side front wheel oil hydraulic cylinder, the lower chambers of described left side rear wheel oil hydraulic cylinder and the lower chambers of described right side rear wheel oil hydraulic cylinder are connected to form described second hydraulic branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445688.XU CN204152895U (en) | 2014-08-07 | 2014-08-07 | Oiling vent systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445688.XU CN204152895U (en) | 2014-08-07 | 2014-08-07 | Oiling vent systems |
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| Publication Number | Publication Date |
|---|---|
| CN204152895U true CN204152895U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445688.XU Active CN204152895U (en) | 2014-08-07 | 2014-08-07 | Oiling vent systems |
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| CN (1) | CN204152895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179754A (en) * | 2014-08-07 | 2014-12-03 | 常州万安汽车部件科技有限公司 | Oiling air exhausting system |
| CN114516613A (en) * | 2022-01-18 | 2022-05-20 | 宁波安骑意车业有限公司 | Oiling device and oiling method for bicycle oil brake |
-
2014
- 2014-08-07 CN CN201420445688.XU patent/CN204152895U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179754A (en) * | 2014-08-07 | 2014-12-03 | 常州万安汽车部件科技有限公司 | Oiling air exhausting system |
| CN114516613A (en) * | 2022-01-18 | 2022-05-20 | 宁波安骑意车业有限公司 | Oiling device and oiling method for bicycle oil brake |
| CN114516613B (en) * | 2022-01-18 | 2023-11-14 | 宁波安骑意车业有限公司 | Oiling device and oiling method for bicycle oil brake |
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