CN205064556U - Balanced axle subassembly and car of adjustable counterbalance - Google Patents
Balanced axle subassembly and car of adjustable counterbalance Download PDFInfo
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- CN205064556U CN205064556U CN201520756776.6U CN201520756776U CN205064556U CN 205064556 U CN205064556 U CN 205064556U CN 201520756776 U CN201520756776 U CN 201520756776U CN 205064556 U CN205064556 U CN 205064556U
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Abstract
The utility model provides a balanced axle subassembly and car of adjustable counterbalance, including balanced axle, balanced axle is the eccentric shaft, the oil pocket has been seted up in the balanced axle, be equipped with the piston in the oil pocket, the border of piston with the sealed cooperation of oil pocket inner wall, the piston can be followed the oil pocket inner wall slides, the one end of oil pocket is connected with into oil pipe, and the other end is connected with the pressure release pipe, the piston is located advance oil pipe with between the pressure release pipe, it is connected with the pneumatic cylinder to advance oil pipe. The balanced axle subassembly of adjustable counterbalance, can make the balanced axle of a section match many moneys engine and make engine equilibrium rate reach the optimum under the rotational speed of difference.
Description
Technical field
The utility model relates to technical field of automobile engine, particularly the balance shaft module weighed of a kind of levelling and automobile.
Background technique
The main vibrating source of four cylinder engine is the two-stage reciprocating inertia force that piston and connecting rod to-and-fro motion produces.Trunnion shaft is driven by engine crankshaft and rotates, and trunnion shaft eccentric balancing blocks produces centrifugal force in self rotary course, and this centrifugal force can the two-stage reciprocating inertia force that produces of equalizing piston and connecting rod to-and-fro motion, thus reduces the vibration of motor.
The motor (piston, connecting rod quality are different) of different performance parameter is different for the amount of unbalance balanced needed for described two-stage reciprocating inertia force.A motor is designed and developed in prior art, a trunnion shaft will be designed and developed, do not meet trunnion shaft hardware and software platform requirement (a trunnion shaft of many moneys engine assembly), and the trunnion shaft eccentric block quality of a motor is fixed within the scope of one, cause engine balance rate can change within the scope of very large one, though and motor is furnished with balance shaft mechanism, along with the raising of rotating speed, the vibration of motor also can increase gradually, thus affects the travelling comfort of driver and occupant.
Model utility content
In view of this, the utility model is intended to propose balance shaft module that a kind of levelling weighs and automobile, and to meet the requirement of trunnion shaft hardware and software platform, and along with the raising of rotating speed, engine luggine increases gradually, thus affects the problem of the travelling comfort of driver and occupant.
For achieving the above object, the technical solution of the utility model is achieved in that
The balance shaft module that a kind of levelling is weighed, comprise trunnion shaft, described trunnion shaft is eccentric shaft, offers oil pocket in described trunnion shaft, is provided with piston in described oil pocket, the edge of described piston coordinates with described oil pocket inner wall sealing, described piston can slide along described oil pocket inwall, and one end of described oil pocket is connected with oil inlet pipe, and the other end is connected with relief tube, described piston is between described oil inlet pipe and described relief tube, and described oil inlet pipe is connected with oil hydraulic cylinder.
Further, described trunnion shaft is two, and two described trunnion shafves pass through meshed transmission gear.
Further, two described trunnion shafves are arranged side by side in same level.
Further, the axis of two described trunnion shafves is parallel to each other.
Further, the oil inlet pipe of two described trunnion shafves is connected with same oil hydraulic cylinder.
Further, the outer end of described oil inlet pipe is sealedly connected with oil sealing base, and described oil sealing base is connected with described oil hydraulic cylinder by conduit.
Further, described conduit is connected with described hydraulic cylinder sealing.
The utility model additionally provides a kind of automobile, and described automobile is provided with the balance shaft module that the levelling described in above-mentioned arbitrary technological scheme is weighed, and the trunnion shaft of described balance shaft module is rotated by the crank-driven of motor car engine.
Further, the oil hydraulic cylinder of described balance shaft module is controlled by the ECU (ElectronicControlUnit electronic control unit) of automobile.
Further, the ECU of described automobile is by oil hydraulic cylinder described in electromagnetic valve.
Relative to prior art, the balance shaft module that levelling described in the utility model is weighed and automobile have following advantage:
The balance shaft module that a kind of levelling of the present utility model is weighed and automobile, owing to offering oil pocket in described trunnion shaft, piston is provided with in described oil pocket, the edge of described piston coordinates with described oil pocket inner wall sealing, described piston can slide along described oil pocket inwall, and one end of described oil pocket is connected with oil inlet pipe, and the other end is connected with relief tube, described piston is between described oil inlet pipe and described relief tube, and described oil inlet pipe is connected with oil hydraulic cylinder.Compared with prior art, the balance shaft module that the utility model levelling is weighed can by the oil turnover trunnion shaft in hydraulic control cylinder, thus have adjusted the quality of trunnion shaft, namely the amount of unbalance of trunnion shaft is changed, thus mate many moneys motor and under different rotating speeds, make engine balance rate reach optimum, thus improve the travelling comfort of driver and occupant.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is car engine balance shaft assembly mounting unit assembly described in the utility model;
Fig. 2 is car engine balance shaft modular construction schematic diagram described in the utility model;
Fig. 3 is the workflow diagram of car engine balance shaft assembly described in the utility model.
Description of reference numerals:
1--trunnion shaft, 2-oil pocket, 3-piston, 4-oil inlet pipe, 5-relief tube, 6-oil hydraulic cylinder, 7-gear, 8-oil sealing base, 9-conduit.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 2, the balance shaft module that a kind of levelling is weighed, comprise trunnion shaft 1, described trunnion shaft 1 is eccentric shaft, oil pocket 2 is offered in described trunnion shaft 1, piston 3 is provided with in described oil pocket 2, the edge of described piston 3 coordinates with described oil pocket 2 inner wall sealing, described piston 3 can slide along described oil pocket 2 inwall, one end of described oil pocket 2 is connected with oil inlet pipe 4, the other end is connected with relief tube 5, and described piston 3 is between described oil inlet pipe 4 and described relief tube 5, and described oil inlet pipe 4 is connected with oil hydraulic cylinder 6.
The balance shaft module that levelling of the present utility model is weighed can pass in and out in the oil pocket 2 of trunnion shaft 1 through oil inlet pipe 4 by the oil in hydraulic control cylinder 6, thus have adjusted the quality of trunnion shaft 1, namely the amount of unbalance of trunnion shaft 1 is changed, thus mate many moneys motor and under different rotating speeds, make balanced ratio reach optimum, thus improve the travelling comfort of driver and occupant.When the oil in oil hydraulic cylinder 6 enters in the oil pocket 2 of trunnion shaft 1 through oil inlet pipe 4, due to the impetus of hydraulic oil, packed-piston 3 is moved right, then the air of piston 3 right part is discharged from relief tube 5, thus eliminates the inhibition of pressure increase to piston 3 due to piston 3 right part air.Oil in the oil pocket 2 of trunnion shaft 1 is when oil inlet pipe 4 enters in oil hydraulic cylinder 6, because oil hydraulic cylinder 6 inside is to the effect of hydraulic oil in oil pocket 2, make packed-piston 3 to left movement, then outside air enters piston 3 right part by relief tube 5, thus eliminates because the parital vacuum of piston 3 right part is to the inhibition of piston 3.
Further, described trunnion shaft 1 is two, and two described trunnion shafves 1 are by gear 7 engagement driving.Described trunnion shaft 1 is two, for singly balanced axle, because singly balanced axle utilizes gear transmission mode to carry out work, is driven the balancer shaft drive gear, balance shaft driven gear wheel and the trunnion shaft that are connected by crankshaft rotating.So the rotating speed of singly balanced axle is identical with engine speed, and then the single order vibration of motor can only be balanced.And trunnion shaft 1 described in the utility model is two, because two described trunnion shafves 1 are by gear 7 engagement driving, and gear 7 is measure-alike, so the two sense of rotation is contrary, rotational speed size is identical.The two inertial force produced can be superposed like this in order to eliminate the second order vibration of motor, thus reach more desirable effectiveness in vibration suppression.Transmission can be made more even by gear 7 engagement driving, and relative to Chain conveyer, because Chain conveyer needs to make two sprocket wheels spaced apart, therefore take up room larger, and gear transmission two gears closely engage, thus by gear 7 engagement driving conserve space more.Thus the length of conduit 9 can be shortened, near and the oil shortened in oil hydraulic cylinder 6 enters the time of oil pocket 2, thus make adjustment rapider.
Further, two described trunnion shafves 1 are arranged side by side in same level.For trunnion shaft setting up and down, described set-up mode can avoid the trunnion shaft of other external force such as gravity to bottom of the trunnion shaft due to top to cause extruding.And described trunnion shaft 1 is arranged side by side in same level that gear 7 can be made to engage is more even, two trunnion shaft 1 oil inlet quantities also can be made identical simultaneously, avoid the error caused because of height difference.
Further, the axis of two described trunnion shafves 1 is parallel to each other.Described set-up mode can be avoided because other external force such as extruding damage gear 7, gear 7 can be made to engage more even, thus can extend the working life of gear 7.Because described trunnion shaft 1 is two, same level is arranged side by side, and axis is parallel to each other, two trunnion shaft 1 mounting points can be made to be arranged symmetrically with relative to cylinder centerline, and such set-up mode is more steady when automobile can be made to run into vibration, vibratory sensation is lower.
In order to make two trunnion shafves 1 pass in and out oil simultaneously, be convenient to control.The oil inlet pipe 4 of two described trunnion shafves 1 can be connected with same oil hydraulic cylinder 6.Relative to this situation that oil inlet pipe is connected with different oil hydraulic cylinders, different oil hydraulic cylinders causes the waste of space and resource, and different oil hydraulic cylinders is owing to manufacturing and installing the error brought, the restive oil inlet quantity entered in two described trunnion shaft 1 oil pockets 2 is identical.Described trunnion shaft 1 is two, same level is arranged side by side, and axis is parallel to each other, the hydraulic oil in described like this oil hydraulic cylinder 6 can arrive in oil pocket 2 simultaneously, and due to the gravity merit overcome identical, thus the validity of two trunnion shaft 1 oil inlet quantities can be improved.
In order to make oil inlet pipe 4 good seal, the outer end of described oil inlet pipe 4 is sealedly connected with oil sealing base 8, and described oil sealing base 8 is connected with described oil hydraulic cylinder 6 by conduit 9.Oil sealing is lightweight, save material and mounting point is little, and axial dimension is little, processes easily, and makes machine compact.The sealing function of oil sealing is good, and can closely cooperate with conduit 9, working life is longer.Certain adaptability is had to the vibration of machine and the bias of main shaft.Oil seal demounting easily, check convenient, and low price.
Further, described conduit 9 is tightly connected with described oil hydraulic cylinder 6.Be tightly connected and very effectively can protect smoothness and the sealing of whole pipeline, prevent the leakage of hydraulic oil.
The utility model additionally provides a kind of automobile, and described automobile is provided with the balance shaft module that the levelling described in above-mentioned arbitrary technological scheme is weighed, and the trunnion shaft 1 of described balance shaft module is rotated by the crank-driven of motor car engine.
Automobile due to the present embodiment is provided with the balance shaft module that the levelling described in above-mentioned arbitrary technological scheme is weighed, and therefore the two can solve identical technical problem, and reaches identical Expected Results.
Further, the oil hydraulic cylinder 6 of described balance shaft module is controlled by the ECU of automobile.The ECU of automobile is a kind of computer for solving particular problem.Computer usually cannot directly and simulated world carry out alternately.Thus need use signal condition/data acquisition interface, with future, the analogue signal of sensor is converted to the understandable digital signal of computer.And in order to the turnover oil mass of hydraulic control cylinder 6, digital signal must be converted to analogue signal.Work due to motor is change at a high speed, and requires that calculation accuracy is high, and processing rate is fast, and therefore, the internal memory of the microprocessor of ECU is increasing, and information processing capability is more and more stronger, to adapt to motor fast development.
Further, the ECU of automobile is by oil hydraulic cylinder 6 described in electromagnetic valve.Solenoid valve action is quick, can shorten hydraulic oil arrives oil pocket 2 time from oil hydraulic cylinder 6; Power is small, energy saving; Profile is light and handy, saves the space in oil hydraulic cylinder 6.Leak outside absolutely stifled, interior leakage is easily controlled, use safety.And solenoid valve system is simple, because solenoid valve is that switching signal controls, be connected very convenient with the ECU of automobile, and cheap.
After engine assembly, ato unit, carries out the test of complete machine second order vibration to motor, and in running, along with rotating speed increases, the second order vibration of motor strengthens; As shown in Figure 3, composition graphs 1, Fig. 2, second order vibration feeds back to ECU by vibration transducer, then open oil hydraulic cylinder 6 by ECU Controlling solenoid valve, the oil in oil hydraulic cylinder 6 is made to enter in trunnion shaft 1, thus add the quality of trunnion shaft 1, namely increase the amount of unbalance of trunnion shaft 1, thus reduce trunnion shaft 1 complete machine second order vibration, until when complete machine second order vibration is minimum, shut electromagnetic valve; When rotating speed reduces, oil hydraulic cylinder 6 is opened by ECU Controlling solenoid valve, hydraulic oil in trunnion shaft 1 is extracted out by oil hydraulic cylinder 6, reduce the quality of trunnion shaft 1, reduce power consumpiton, vibration transducer monitoring complete machine oscillation, hydraulic oil extracted amount is made to keep suitable, if rotating speed starts again to increase, when second order vibration is increased, again make the oil in oil hydraulic cylinder 6 enter in trunnion shaft 1 and enter above-mentioned circulation.
Other formations about the automobile of the utility model embodiment wait known by those skilled in the art, no longer describe in detail at this.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the balance shaft module of a levelling measurement, it is characterized in that, comprise trunnion shaft (1), described trunnion shaft (1) is eccentric shaft, oil pocket (2) is offered in described trunnion shaft (1), piston (3) is provided with in described oil pocket (2), the edge of described piston (3) coordinates with described oil pocket (2) inner wall sealing, described piston (3) can slide along described oil pocket (2) inwall, one end of described oil pocket (2) is connected with oil inlet pipe (4), the other end is connected with relief tube (5), described piston (3) is positioned between described oil inlet pipe (4) and described relief tube (5), described oil inlet pipe (4) is connected with oil hydraulic cylinder (6).
2. the balance shaft module of levelling measurement according to claim 1, it is characterized in that, described trunnion shaft (1) is two, and two described trunnion shafves (1) are by gear (7) engagement driving.
3. the balance shaft module of levelling measurement according to claim 2, it is characterized in that, two described trunnion shafves (1) are arranged side by side in same level.
4. the balance shaft module of levelling measurement according to claim 3, it is characterized in that, the axis of two described trunnion shafves (1) is parallel to each other.
5. the balance shaft module of levelling measurement according to claim 2, it is characterized in that, the oil inlet pipe (4) of two described trunnion shafves (1) is connected with same oil hydraulic cylinder (6).
6. the balance shaft module of levelling measurement according to claim 1, it is characterized in that, the outer end of described oil inlet pipe (4) is sealedly connected with oil sealing base (8), and described oil sealing base (8) is connected with described oil hydraulic cylinder (6) by conduit (9).
7. the balance shaft module of levelling measurement according to claim 6, it is characterized in that, described conduit (9) and described oil hydraulic cylinder (6) are tightly connected.
8. an automobile, is characterized in that, described automobile is provided with the balance shaft module that the levelling according to any one of claim 1 ~ 7 is weighed, and the trunnion shaft (1) of described balance shaft module is rotated by the crank-driven of motor car engine.
9. automobile according to claim 8, is characterized in that, the oil hydraulic cylinder (6) of described balance shaft module is controlled by the ECU of automobile.
10. automobile according to claim 9, is characterized in that, the ECU of automobile is by oil hydraulic cylinder (6) described in electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756776.6U CN205064556U (en) | 2015-09-28 | 2015-09-28 | Balanced axle subassembly and car of adjustable counterbalance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520756776.6U CN205064556U (en) | 2015-09-28 | 2015-09-28 | Balanced axle subassembly and car of adjustable counterbalance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064556U true CN205064556U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520756776.6U Active CN205064556U (en) | 2015-09-28 | 2015-09-28 | Balanced axle subassembly and car of adjustable counterbalance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528194A (en) * | 2018-04-18 | 2018-09-14 | 王青林 | A kind of cluster engine |
| WO2022016318A1 (en) * | 2020-07-20 | 2022-01-27 | 宁波吉利罗佑发动机零部件有限公司 | Inertial moment adjustment device for power system, control device, method and system |
-
2015
- 2015-09-28 CN CN201520756776.6U patent/CN205064556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528194A (en) * | 2018-04-18 | 2018-09-14 | 王青林 | A kind of cluster engine |
| WO2022016318A1 (en) * | 2020-07-20 | 2022-01-27 | 宁波吉利罗佑发动机零部件有限公司 | Inertial moment adjustment device for power system, control device, method and system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |