CN202782560U - Car hydro-pneumatic suspension system - Google Patents
Car hydro-pneumatic suspension system Download PDFInfo
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- CN202782560U CN202782560U CN 201220405104 CN201220405104U CN202782560U CN 202782560 U CN202782560 U CN 202782560U CN 201220405104 CN201220405104 CN 201220405104 CN 201220405104 U CN201220405104 U CN 201220405104U CN 202782560 U CN202782560 U CN 202782560U
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- oil cylinder
- pneumatic suspension
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Abstract
Provided is a car hydro-pneumatic suspension system. An independent oil tank (2) is provided, hydro-pneumatic suspension oil cylinders (9) are arranged between the left side and the right side of each axle (10) and a car frame (11), an output end of a plunger pump (1) enables a plunger side (8) of the suspension oil cylinder at each side to be communicated with a plunger side (12) of an energy accumulator through a hydraulic oil line, and a plunger rod side (7) of each suspension oil cylinder is directly communicated with the oil tank (2) or communicated with the oil tank (2) through an electromagnetic valve. The car hydro-pneumatic suspension system is capable of achieving multiple functions, is high in electric control degree, largely improves the performance of a whole car, not only has an ordinary hydro-pneumatic suspension function, but also has the functions of horizontal leveling control, height control and horizontal control of a lifting axle and a chassis.
Description
Technical field
The utility model relates to automotive control system, is a kind of automobile oil gas suspension that strengthens Riding Stability of Automobile specifically.
Background technology
The oleo-pneumatic suspension of automobile mainly is comprised of elements such as hydro-pneumatic springs, generally be with unreactable gas or nitrogen as elastic medium, with fluid as the power transmission medium, integrate elasticity and damping element, do not need extra bumper, cylinder body has certain directional tagging simultaneously, and required car body arrangement space is little.Compare with the suspension of other types, oleo-pneumatic suspension has the significant advantage such as nonlinear variable-stiffness, compact conformation, the appearance of can shunting, and has widely demand in military cross-country car and engineering machinery vehicle.
From integral structure, the hydro-pneumatic suspension system of using on the engineering truck at present mainly contains two types of stand alone type and interconnection types; From the form of hydro-pneumatic spring, then be divided into single air chamber oil-gas separated-type, two air chamber oil-gas separated-type, multistage pressure formula and air-fuel mixture formula etc.
Use the vehicle of oleo-pneumatic suspension except the industrial and mineral dumping car, mainly concentrate on the military project aspect.Major part has adopted hybrid hydro-pneumatic spring, adjusts function without overall height, has only used easy balancing the load measure, and the air cavity that is about to vehicle both sides hydro-pneumatic spring is communicated with, and suspended structure is simple, and additional function is few.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of advanced person's automobile oil gas suspension, except strengthen the stability of running car in a kind of safe and reliable mode, good vehicle damping effect is provided, effectively prevent outside the vehicle rollover, attainable function is many, automatically controlled degree is high, can significantly improve the performance of car load.
Described automobile oil gas suspension comprises oleo-pneumatic suspension oil cylinder, plunger pump, hydraulic accumulator etc., and it is characterized in that: this system is provided with a fuel tank; Between the left and right sides of every axletree and vehicle frame the oleo-pneumatic suspension oil cylinder is housed all, an end and the axletree of oleo-pneumatic suspension oil cylinder are fixed, and the other end and vehicle frame are fixed; The plunger pump mouth is communicated with hanging oil cylinder piston side and accumulator piston side by hydraulic circuit, each electromagnetic valve group, and the hanging oil cylinder piston rod side directly or through electromagnetic valve is communicated with fuel tank.
As prioritization scheme, vehicle frame each side be provided with a hydraulic accumulator, the oleo-pneumatic suspension oil cylinder of each side, its hanging oil cylinder piston side all is communicated with the accumulator piston side of this side, its hanging oil cylinder piston rod side is interconnected respectively.
Described hydraulic accumulator is divided into the accumulator piston side that is filled with hydraulic oil and the opposite side that is filled with gas by the piston at a middle part.
Hanging oil cylinder piston rod side and the vehicle frame of described oleo-pneumatic suspension oil cylinder are fixed, and hanging oil cylinder piston side and axletree are fixed.
Described plunger pump is connected with vehicle motor and by its driving.
Hydro-pneumatic suspension system of the present utility model can be realized several functions, automatically controlled degree is high, significantly improve vehicle performance, except possessing conventional oleo-pneumatic suspension function, also have lift bridge, the control of chassis align laterally, multiple functions such as control, lateral stability control highly.
Description of drawings
Fig. 1 is the utility model entrucking schematic diagram,
Fig. 2 is the hanging oil cylinder structural representation,
Fig. 3 is multifunctional oil gas suspension hydraulic oil circuit figure.
Among the figure: 1-plunger pump, 2-fuel tank, 3-hydraulic accumulator, 4-wheel, 5-solenoid directional control valve, 6-oil cylinder level switch, 7-hanging oil cylinder piston rod side, 8-hanging oil cylinder piston side, 9-oleo-pneumatic suspension oil cylinder, 10-axletree, 11-vehicle frame, 12-accumulator piston side, 13-left oleo-pneumatic suspension oil cylinder, 14-right oleo-pneumatic suspension oil cylinder, 15-left hydraulic accumulator, 16-right hydraulic accumulator, 17-driving engine.
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing: shown in entrucking schematic diagram among Fig. 1, described automobile oil gas suspension comprises oleo-pneumatic suspension oil cylinder 9, plunger pump 1, hydraulic accumulator 3, and this system is provided with an independent fuel tank 2.In conjunction with the hanging oil cylinder structural representation of Fig. 2, as seen, between the left and right sides of every axletree 10 and vehicle frame 11, oleo-pneumatic suspension oil cylinder 9 is housed all, an end of oleo-pneumatic suspension oil cylinder 9 and axletree 10 are fixing, and the other end is fixed with vehicle frame 11; Specifically, the hanging oil cylinder piston rod side 7 of described oleo-pneumatic suspension oil cylinder 9 is fixing with vehicle frame 11, and hanging oil cylinder piston side 8 is fixing with axletree 10.
Plunger pump 1 mouth is communicated with hanging oil cylinder piston side 8 and accumulator piston side 12 by hydraulic circuit, each electromagnetic valve, and hanging oil cylinder piston rod side 7 directly or through electromagnetic valve is communicated with fuel tank 2.
As prioritization scheme, such as Fig. 3, shown in the oil circuit in multifunctional application, each side be provided with a hydraulic accumulator 3 at vehicle frame 11, the oleo-pneumatic suspension oil cylinder 9 of each side, its hanging oil cylinder piston side 8 all is communicated with the accumulator piston side 12 of this side, and its hanging oil cylinder piston rod side 7 is interconnected respectively.Left hydraulic accumulator 15 links to each other with left oleo-pneumatic suspension oil cylinder 13 as seen from the figure, the accumulator piston side of left side hydraulic accumulator is connected with the hanging oil cylinder piston side of left side oleo-pneumatic suspension oil cylinder, is communicated with fuel tank through solenoid directional control valve after the hanging oil cylinder piston rod side in left side is interconnected.Right hydraulic accumulator 16 links to each other with right oleo-pneumatic suspension oil cylinder 14, is communicated with fuel tank through solenoid directional control valve after the hanging oil cylinder piston rod side on right side is interconnected.As seen two cover oleo-pneumatic suspension oil cylinders are substantially separate about.On such basis, can realize the several functions application of oleo-pneumatic suspension.
Described hydraulic accumulator 3 is divided into the accumulator piston side 12 that is filled with hydraulic oil and the opposite side that is filled with gas by the piston at a middle part.When vehicle bridge loads, the hydraulic oil of the oil cylinder piston side on it will be forced to extrude, and enter the accumulator piston side, and this will cause pressure to increase, then by the piston compression gas in the energy storage, and nitrogen gas normally, at this moment, nitrogen is a spring element.Whole pipeline system has good damping performance and stability.
Described plunger pump 1 is connected with vehicle motor 17 and by its driving.Also be provided with as required the devices such as fil and flow regulating valve in the whole oil circuit.
In Fig. 2, be provided with sensor oil cylinder level switch 6 on the oleo-pneumatic suspension oil cylinder, these electronic sensors bring great raising to the automatically controlled performance of system, and the control by vehicular control unit can realize lift bridge, the control of chassis align laterally, multiple functions such as control, lateral stability control highly.
Claims (5)
1. an automobile oil gas suspension comprises oleo-pneumatic suspension oil cylinder (9), plunger pump (1), hydraulic accumulator (3), and it is characterized in that: this system is provided with a fuel tank (2); Between the left and right sides of every axletree (10) and vehicle frame (11) oleo-pneumatic suspension oil cylinder (9) is housed all, an end of oleo-pneumatic suspension oil cylinder (9) and axletree (10) are fixing, and the other end and vehicle frame (11) are fixed; Plunger pump (1) mouth is communicated with hanging oil cylinder piston side (8) and accumulator piston side (12) by hydraulic circuit, each electromagnetic valve group, and hanging oil cylinder piston rod side (7) directly or through electromagnetic valve is communicated with fuel tank (2).
2. automobile oil gas suspension according to claim 1, it is characterized in that: each side be provided with a hydraulic accumulator (3) at vehicle frame (11), the oleo-pneumatic suspension oil cylinder (9) of each side, its hanging oil cylinder piston side (8) all is communicated with the accumulator piston side (12) of this side, and its hanging oil cylinder piston rod side (7) is interconnected respectively.
3. automobile oil gas suspension according to claim 1 and 2, it is characterized in that: described hydraulic accumulator (3) is divided into the accumulator piston side (12) that is filled with hydraulic oil and the opposite side that is filled with gas by the piston at a middle part.
4. automobile oil gas suspension according to claim 1 and 2 is characterized in that: the hanging oil cylinder piston rod side (7) of described oleo-pneumatic suspension oil cylinder (9) is fixing with vehicle frame (11), and hanging oil cylinder piston side (8) is fixing with axletree (10).
5. automobile oil gas suspension according to claim 1 is characterized in that: described plunger pump (1) is connected with vehicle motor (17) and by its driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405104 CN202782560U (en) | 2012-08-16 | 2012-08-16 | Car hydro-pneumatic suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220405104 CN202782560U (en) | 2012-08-16 | 2012-08-16 | Car hydro-pneumatic suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202782560U true CN202782560U (en) | 2013-03-13 |
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ID=47809884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220405104 Expired - Fee Related CN202782560U (en) | 2012-08-16 | 2012-08-16 | Car hydro-pneumatic suspension system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202782560U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935210A (en) * | 2014-04-29 | 2014-07-23 | 沈阳山泰矿山机械设备制造有限公司 | Wheel type hydraulic self-balancing axle set |
| CN112389150A (en) * | 2020-11-19 | 2021-02-23 | 中联重科股份有限公司 | Oil filling assembly and oil filling method for suspension system of mining dump truck |
-
2012
- 2012-08-16 CN CN 201220405104 patent/CN202782560U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935210A (en) * | 2014-04-29 | 2014-07-23 | 沈阳山泰矿山机械设备制造有限公司 | Wheel type hydraulic self-balancing axle set |
| CN112389150A (en) * | 2020-11-19 | 2021-02-23 | 中联重科股份有限公司 | Oil filling assembly and oil filling method for suspension system of mining dump truck |
| CN112389150B (en) * | 2020-11-19 | 2022-06-10 | 中联重科股份有限公司 | Oil filling assembly and oil filling method for suspension system of mining dump truck |
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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: 20130313 Termination date: 20210816 |