CN204472481U - The comprehensive electric automobile independent suspension shock attenuation unit of a kind of long-range electricity liquid - Google Patents
The comprehensive electric automobile independent suspension shock attenuation unit of a kind of long-range electricity liquid Download PDFInfo
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- CN204472481U CN204472481U CN201520130311.XU CN201520130311U CN204472481U CN 204472481 U CN204472481 U CN 204472481U CN 201520130311 U CN201520130311 U CN 201520130311U CN 204472481 U CN204472481 U CN 204472481U
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- independent suspension
- lifting mechanism
- railway carriage
- elevation structure
- hydraulic efficiency
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Abstract
The utility model provides a kind of long-range electricity liquid comprehensive electric automobile independent suspension shock attenuation unit, belong to electronlmobil suspension field, this independent suspension vibration damping device is arranged between the wheel shaft holder of every single wheel and railway carriage chassis, and its structure comprises hydraulic efficiency elevation structure, be arranged on the electric lifting mechanism between hydraulic efficiency elevation structure and railway carriage chassis and the damper that is arranged between hydraulic efficiency elevation structure and wheel shaft holder and guide upright post; Above-mentioned independent suspension vibration damping device is provided with the acceleration pick-up obtaining each position acceleration signal when electronlmobil runs, and moving up and down by the embedded control system hydraulic control lifting mechanism that is connected with car running computer and electric lifting mechanism.The utility model is elevated using hydraulic efficiency elevation structure as one-level, in conjunction with electric lifting mechanism as two grade of ascend and descend, can carry out coarse adjustment and fine setting to railway carriage chassis height, and its apparatus structure is simple, reliable, is adapted at installing and using in electronlmobil.
Description
Technical field
The utility model relates to a kind of electronlmobil suspension gear, specifically the comprehensive electric automobile independent suspension shock attenuation unit of a kind of long-range electricity liquid.
Background technology
Automobile suspension system is that a kind of being used for keeps the automobile system that vehicle body is stable in the process of moving.At present, domestic automobile suspension system mainly contains two kinds: AIRMATIC Dual Control and hydraulic lift system.Its control process forms closed loop control system by sensor and controller etc., according to the running state of vehicle, send control command to actuating unit, by regulating fluid flowing, at adjustment damping coefficient locked suspension or adjustment bodywork height simultaneously according to the control law set in good time.Because traditional automobile suspension system is owing to regulating limited height, in large-tonnage field transport, engineering transportation car or cross-country car carrying heavy, what Uneven road caused in transit jolt likely causes damage to object and vehicle itself.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, provides a kind of long-range electricity liquid comprehensive electric automobile independent suspension shock absorption device, to overcome the problem that existing automobile suspension system regulates limited height.
The utility model solves the technical scheme that its technical matters adopts:
The comprehensive electric automobile independent suspension shock attenuation unit of a kind of long-range electricity liquid, this independent suspension vibration damping device is arranged between the wheel shaft holder of every single wheel and railway carriage chassis, and its structure comprises hydraulic efficiency elevation structure, be arranged on the electric lifting mechanism between hydraulic efficiency elevation structure and railway carriage chassis and the damper that is arranged between hydraulic efficiency elevation structure and wheel shaft holder and guide upright post; Above-mentioned independent suspension vibration damping device is provided with the acceleration pick-up obtaining each position acceleration signal when electronlmobil runs, and this independent suspension vibration damping device moving up and down by the embedded control system hydraulic control lifting mechanism that is connected with car running computer and electric lifting mechanism.
The elevating screw that described electric lifting mechanism comprises the lifting motor be arranged on railway carriage chassis, is arranged on the mount pad on hydraulic efficiency elevation structure and is vertically mounted between railway carriage chassis and mount pad, described lifting motor connects embedded control system by IGBT Intelligent Power Module, lifting motor is connected with elevating screw by turbine and worm transmission component, described elevating screw upper end is connected with railway carriage chassis by bearing, and elevating screw bottom is connected with mount pad by screw thread.
Described hydraulic efficiency elevation structure comprises hydraulic pressure adjustment oil cylinder, hydraulic pressure adjustment oil cylinder top is fixedly connected with electric lifting mechanism, hydraulic pressure adjustment oil cylinder is connected with guide upright post by damper with between wheel shaft holder, hydraulic pressure adjustment oil cylinder connects oil pump by the pipeline being in series with pressure-gradient control valve, and pressure-gradient control valve folding degree is controlled by embedded control system, the oil outlet of described oil pump passes through the oil inlet of pipeline connection pressure-gradient control valve, the oil outlet of pressure-gradient control valve adjusts the oil inlet of oil cylinder by pipeline connection hydraulic pressure, the oil outlet of hydraulic pressure adjustment oil cylinder is communicated with the return opening of pressure-gradient control valve by pipeline, the return opening of pressure-gradient control valve is communicated with oil pump.
Described embedded control system is the embedded control system based on DSP, comprises dsp chip, and its model is TMS320F2812.
Compared with prior art, the beneficial effect produced is the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid of the present utility model,
1) hydraulic efficiency elevation structure has sensitive advantage, and the second-grade lifting as the design can ensure that electronlmobil meets with when running at high speed that jolt can rapid reaction effectively;
2) electric lifting mechanism has the long advantage of adjustment travel, and the two grade of ascend and descend mechanism as the design further can adjust the chassis height of electronlmobil railway carriage on the basis of second-grade lifting, increases the stability of vehicle.
To sum up, the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid of the present utility model, be elevated using hydraulic efficiency elevation structure as one-level, in conjunction with electric lifting mechanism as two grade of ascend and descend, can carry out coarse adjustment and fine setting to railway carriage chassis height, its apparatus structure is simple, reliable, volume is suitable, is adapted at installing and using in electronlmobil.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range of the utility model electricity liquid;
The functional block diagram of the embedded control system that accompanying drawing 2 uses for the utility model.
In figure: 1, railway carriage chassis, 2, wheel shaft holder, 3, damper, 4, guide upright post, 5, acceleration pick-up, 6, lifting motor, 7, elevating screw, 8, IGBT Intelligent Power Module, 9, embedded control system, 10, turbine, 11, mount pad, 12, pressure-gradient control valve, 13, hydraulic pressure adjustment oil cylinder, 14, oil pump, 15, circuit for controlling motor.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-2, the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid of the present utility model is described in detail below.
As shown in Figure 1, the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid of the present utility model, be arranged between the wheel shaft holder 2 of every single wheel and railway carriage chassis 1, concrete structure comprises hydraulic efficiency elevation structure, be arranged on the electric lifting mechanism between hydraulic efficiency elevation structure and railway carriage chassis 1, and be arranged on hydraulic efficiency elevation structure and wheel shaft holder 2 between damper 3 and guide upright post 4, hydraulic efficiency elevation structure is provided with the acceleration pick-up 5 obtaining each position acceleration signal when electronlmobil runs, above-mentioned independent suspension vibration damping device is moved up and down by the embedded control system 9 hydraulic control lifting mechanism that is connected with car running computer and electric lifting mechanism.
Described hydraulic efficiency elevation structure comprises hydraulic pressure adjustment oil cylinder 13, described hydraulic pressure adjustment oil cylinder 13 top is fixedly connected with mount pad 11, hydraulic pressure adjustment oil cylinder 13 is connected with guide upright post 4 by damper 3 with between wheel shaft holder 2, hydraulic pressure adjustment oil cylinder 13 connects oil pump 14 by the pipeline being in series with pressure-gradient control valve 12, and pressure-gradient control valve 12 folding degree is controlled by embedded control system 9, the oil outlet of described oil pump 14 passes through the oil inlet of pipeline connection pressure-gradient control valve 12, the oil outlet of pressure-gradient control valve 12 adjusts the oil inlet of oil cylinder 12 by pipeline connection hydraulic pressure, the oil outlet of hydraulic pressure adjustment oil cylinder 13 is communicated with by the return opening of pipeline with pressure-gradient control valve 12, the return opening of pressure-gradient control valve is communicated with oil pump 14.
Described electric lifting mechanism comprises the lifting motor 6 be arranged on railway carriage chassis, be arranged on the mount pad 11 on adjustment oil cylinder 13, and the elevating screw 7 be vertically mounted between railway carriage chassis 1 and mount pad 11, described lifting motor 6 connects embedded control system 9 by IGBT Intelligent Power Module 8, be connected by motor control loop 15 between lifting motor 6 with IGBT Intelligent Power Module 8, lifting motor 6 is connected with elevating screw 7 by turbine and worm transmission component, wherein turbine and worm transmission component comprises the worm screw be located on lifting motor 6 output shaft, and with the turbine 10 of worm mesh, described elevating screw 7 upper end is connected with railway carriage chassis 1 by bearing, elevating screw 7 bottom is connected with mount pad 11 by screw thread.
As shown in Figure 2, described embedded control system is the embedded control system based on DSP, comprise dsp chip, its model is TMS320F2812, dsp chip be arranged on being connected for the acceleration pick-up 5 carrying out vibration measuring on every single wheel, dsp chip is connected with the IGBT Intelligent Power Module 8 be arranged on every single wheel, for detecting wheel hub position and driving lifting motor 6 to rotate, dsp chip is connected with the pressure-gradient control valve 12 be arranged on every single wheel, by control presssure control cock 12 folding degree, hydraulic pressure adjustment oil cylinder 13 is finely tuned.
The comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid of the present utility model, when reality uses, dsp chip in embedded control system receives the acceleration signal that acceleration pick-up 5 inputs, as calculated, according to result of calculation, on the one hand by driving IGBT Intelligent Power Module 8, control lifting motor 6 to rotate, through turbine screw rod transmission assembly, control moving up and down of elevating screw 7, adjust damping coefficient again, coarse adjustment is carried out to railway carriage chassis 1, on the other hand by regulating the folding degree of pressure-gradient control valve 12, control adjustment oil cylinder 13, realize the fine setting of railway carriage chassis 1 height.
Because hydraulic efficiency elevation structure has sensitive advantage, its design is in close wheel shaft holder side, it is the second-grade lifting of the design, effectively can ensure that electronlmobil meets with when running at high speed that jolt can rapid reaction, when result of calculation shows without the need to carrying out long-range adjustment, independent execution hydraulic efficiency elevation structure carries out the adjustment of railway carriage chassis height, when result of calculation shows to need to carry out long-range adjustment, coordinate the adjustment performing railway carriage chassis 1 height with motor lifting mechanism according to result of calculation hydraulic efficiency elevation structure.
Its processing and fabricating of a kind of long-range electricity liquid of the present utility model comprehensive electric automobile independent suspension shock absorption device is simple and convenient, processing and fabricating shown in by specification accompanying drawing.
Except the technical characteristic described in specification sheets, be the known technology of those skilled in the art.
Claims (4)
1. the comprehensive electric automobile independent suspension shock absorption device of long-range electricity liquid, this independent suspension vibration damping device is arranged between the wheel shaft holder of every single wheel and railway carriage chassis, it is characterized in that, comprise hydraulic efficiency elevation structure, be arranged on the electric lifting mechanism between hydraulic efficiency elevation structure and railway carriage chassis and be arranged on hydraulic efficiency elevation structure and wheel shaft holder between damper and guide upright post; Above-mentioned independent suspension vibration damping device is provided with the acceleration pick-up obtaining each position acceleration signal when electronlmobil runs, and this independent suspension vibration damping device moving up and down by the embedded control system hydraulic control lifting mechanism that is connected with car running computer and electric lifting mechanism.
2. the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid according to claim 1, it is characterized in that, described electric lifting mechanism comprises the lifting motor be arranged on railway carriage chassis, be arranged on the mount pad on hydraulic efficiency elevation structure, and the elevating screw be vertically mounted between railway carriage chassis and mount pad, described lifting motor connects embedded control system by IGBT Intelligent Power Module, lifting motor is connected with elevating screw by turbine and worm transmission component, described elevating screw upper end is connected with railway carriage chassis by bearing, elevating screw bottom is connected with mount pad by screw thread.
3. the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid according to claim 1, it is characterized in that, described hydraulic efficiency elevation structure comprises hydraulic pressure adjustment oil cylinder, hydraulic pressure adjustment oil cylinder top is fixedly connected with electric lifting mechanism, hydraulic pressure adjustment oil cylinder is connected with guide upright post by damper with between wheel shaft holder, hydraulic pressure adjustment oil cylinder connects oil pump by the pipeline being in series with pressure-gradient control valve, and pressure-gradient control valve folding degree is controlled by embedded control system, the oil outlet of described oil pump passes through the oil inlet of pipeline connection pressure-gradient control valve, the oil outlet of pressure-gradient control valve adjusts the oil inlet of oil cylinder by pipeline connection hydraulic pressure, the oil outlet of hydraulic pressure adjustment oil cylinder is communicated with the return opening of pressure-gradient control valve by pipeline, the return opening of pressure-gradient control valve is communicated with oil pump.
4. the comprehensive electric automobile independent suspension shock absorption device of a kind of long-range electricity liquid according to claim 1 or 2 or 3, it is characterized in that, described embedded control system is the embedded control system based on DSP, comprises dsp chip, and its model is TMS320F2812.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130311.XU CN204472481U (en) | 2015-03-06 | 2015-03-06 | The comprehensive electric automobile independent suspension shock attenuation unit of a kind of long-range electricity liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130311.XU CN204472481U (en) | 2015-03-06 | 2015-03-06 | The comprehensive electric automobile independent suspension shock attenuation unit of a kind of long-range electricity liquid |
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| Publication Number | Publication Date |
|---|---|
| CN204472481U true CN204472481U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520130311.XU Expired - Fee Related CN204472481U (en) | 2015-03-06 | 2015-03-06 | The comprehensive electric automobile independent suspension shock attenuation unit of a kind of long-range electricity liquid |
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| CN (1) | CN204472481U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822525A (en) * | 2017-11-29 | 2018-03-23 | 桂林航天工业学院 | A kind of food automatic frying cooker |
| CN112677728A (en) * | 2020-12-25 | 2021-04-20 | 北京理工大学 | Coupling vibration reduction method and device, vibration reduction system and maneuvering platform |
| CN112955336A (en) * | 2021-02-02 | 2021-06-11 | 华为技术有限公司 | Adjustable suspension and control method and control device thereof |
-
2015
- 2015-03-06 CN CN201520130311.XU patent/CN204472481U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822525A (en) * | 2017-11-29 | 2018-03-23 | 桂林航天工业学院 | A kind of food automatic frying cooker |
| CN112677728A (en) * | 2020-12-25 | 2021-04-20 | 北京理工大学 | Coupling vibration reduction method and device, vibration reduction system and maneuvering platform |
| CN112677728B (en) * | 2020-12-25 | 2022-09-06 | 北京理工大学 | Coupling vibration reduction method and device, vibration reduction system and maneuvering platform |
| CN112955336A (en) * | 2021-02-02 | 2021-06-11 | 华为技术有限公司 | Adjustable suspension and control method and control device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160306 |