CN2728815Y - Electric controlled hydraulic lifter for car suspension frame - Google Patents
Electric controlled hydraulic lifter for car suspension frame Download PDFInfo
- Publication number
- CN2728815Y CN2728815Y CN 200420096049 CN200420096049U CN2728815Y CN 2728815 Y CN2728815 Y CN 2728815Y CN 200420096049 CN200420096049 CN 200420096049 CN 200420096049 U CN200420096049 U CN 200420096049U CN 2728815 Y CN2728815 Y CN 2728815Y
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- China
- Prior art keywords
- relay
- hydraulic
- oil pump
- car suspension
- suspension frame
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- Expired - Fee Related
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Abstract
The utility model relates to an electric controlled hydraulic lifter for a car suspension frame. The lifting hydraulic oil cylinder of the electric controlled hydraulic lifter for a car suspension frame is installed between the upper end of a screw spring and a car body, and the other end of the hydraulic oil cylinder is connected to an electromagnetic distributing valve. The electromagnetic distributing valve is connected to an oil return pipe, an accumulator and a pressure switch. The pressure switch is connected to a pressure regulating valve and a one-way valve, the one-way valve is connected to a hydraulic oil pump, the hydraulic oil pump is connected to a filter, and the filter is connected to an oil tank. The contact points of the lifting switch of a control device are respectively connected to one end of a relay, and the other end of the relay is connected to the negative electrode of a battery. Mercury transversal switches are respectively connected to the relay, and the other contact point of the relay is respectively connected to an electromagnetic valve and an oil pump motor. Indicating lamps are connected on the electromagnetic coil of the relay in parallel, and the pressure switch is connected to the relay. The electric controlled hydraulic lifter for a car suspension frame is an ideal lifter for a car suspension frame. The installation of the electric controlled hydraulic lifter for a car suspension frame causes the car to have anti-declination and anti-knocking functions. In the running process, the electric controlled hydraulic lifter for a car suspension frame can be controlled to lift and descend at any time, and the electric controlled hydraulic lifter for a car suspension frame can run safely at any section of a highway.
Description
Technical field
The utility model relates to a kind of car suspension jacking system, particularly relates to a kind of car suspension electric-controlled hydraulic lifting device.
Background technology
Existing car suspension does not have elevating function, and the stability and the travelling of the car that makes are poor.Especially drive car when the relatively poor road traveling of road conditions, unloaded vehicle body can also pass through a bit apart from the ground height, and at full load is because vehicle body is very low apart from the road surface, so the phenomenon on the chassis that often occurs colliding with causes economic loss, and is difficult to pass through.When running at high speed sharply turning, vehicle body easily tilts.
Summary of the invention
The purpose of this utility model provides a kind of car suspension electric-controlled hydraulic lifting device.It makes the car suspension lifting with automatically controlled and hydraulic-driven, can prevent body inclination effectively, and the phenomenon of avoiding colliding with takes place.
Realize that foregoing invention purpose technical scheme is: by vehicle body, hydraulic efficiency gear and electrical controller are formed, the oil cylinder of hydraulic efficiency gear is connected with oil inlet, Oil pump electrical machinery is connected with hydraulic oil pump, its structural feature is, the lifting hydraulic ram of hydraulic efficiency gear is installed between helical spring upper end and the vehicle body, be connected with the electromagnetic distribution valve with the other end of oil inlet bonded assembly lifting hydraulic ram, electromagnetic distribution valve and oil return pipe, accumulator is connected with pressure switch, pressure switch and pressure regulating valve, check valve connects, check valve is connected with hydraulic oil pump, and hydraulic oil pump is connected with fil, and fil is connected with fuel tank; The contact of the direction switch of control setup is connected with an end of relay 14,16,18,21 respectively, the other end of relay 14,16,18,21 is connected with battery cathode, two mercury level switches are connected with relay 14,16 respectively, another contact of relay 14,16,18,21,25 is connected with Oil pump electrical machinery with electromagnetic valve 15,17,19,22 respectively, indicator lamp is connected in parallel on the magnet coil of relay 18,21, and key switch is connected with relay.
Car is installed the utility model, can greatly improve stability and traveling comfort.And have the anti-function of colliding with of anti-inclination, in the process of travelling, can control the lifting on chassis at any time, but travel at the equal safety high speed in any highway section.The mode that this device adopts fluid control to combine with electronic control both can prevent inclination, again the chassis of lifting car at any time.It is simple in structure, and design science is reasonable, and productive costs is low, is convenient to implement.This device comes control electromagnetic valve with the mercury level switch, controls the left and right sides oil cylinder of front-wheel by electromagnetic valve, and the level of regulating vehicle body is regulated freely simple operation.This device is installed can raise the vehicle body of car, and car is strengthened by the ability on bad road, improves the range of use of car.When vehicle body reduces, can reduce the windage of running at high speed effectively, improve running velocity.
Description of drawings
Fig. 1 is a hydraulic control device connection structure scheme drawing.
Fig. 2 is an electric controller connection structure scheme drawing.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
The utility model is made up of hydraulic control device and electronic control device.The structure of hydraulic control device such as accompanying drawing 1, lifting hydraulic ram, coil spring, oil pipe, electromagnetic distribution valve, electro-hydraulic oil pump, accumulator pressure switch, mercury level switch and Che Nei direction switch are formed.Referring to accompanying drawing 1, lifting hydraulic ram 11 is installed between the upper end and vehicle body 10 of the coil spring 12 on the vehicle body.Coil spring 12 is installed between vehicle body 10 and the wheel 13.The other end of lifting hydraulic ram 11 is connected with electromagnetic distribution valve 8, and electromagnetic distribution valve 8 is provided with 4, and the electromagnetic distribution valve is connected with oil return pipe 9, accumulator 7 and pressure switch 6 respectively.Pressure switch 6 is connected with pressure regulating valve 4, check valve 5.Check valve 5 is connected with hydraulic oil pump 3, and hydraulic oil pump 3 is connected with Oil pump electrical machinery 24.The oil inlet of hydraulic oil pump 3 is connected by the oil outlet of oil pipe with fil 2, and its oil outlet is connected with check valve 5.The oil outlet of check valve 5 is connected with the threeway of oil pipe, and the middle-end of threeway is connected with the pressure switch 6 of adjusting pressure, and the end of threeway is connected with pressure regulating valve 4, and the other end of pressure regulating valve 4 is received on the oil return pipe 9.The upper end of oil return pipe 9 is connected with the return opening of electromagnetic distribution valve 8.Accumulator 7 is received on the fuel feed pipe.Fuel feed pipe is connected with the oil inlet of electromagnetic distribution valve 8, and other four hydraulic fluid ports of electromagnetic distribution valve 8 are connected with four oil cylinder pipes, and the other end of oil cylinder pipe is connected with four oil cylinders respectively.Fil 2 is connected with the oil inlet of fuel tank 1.
Electrical controller such as accompanying drawing 2 are made up of relay, direction switch, mercury level switch etc.Four contacts of direction switch 27 are connected with an end of the magnet coil of relay 14,16,18,21 respectively, and the other end of magnet coil is connected with battery cathode.Two mercury level switches 28,29 are connected with the magnet coil of relay 14,16 respectively, the contact of the other end of relay 14,16,18,21,25 is connected with an end of electromagnetic valve 15,17,19,22 and Oil pump electrical machinery respectively, indicator lamp 20,23 is connected in parallel on the magnet coil of relay 18,21, and key switch 26 is connected with relay.Two mercury level switches 28,29, direction switch 27, key switch 26 and ends of relay 14,16,18,21,25 contacts are connected with anode respectively, and electromagnetic valve 15,17,19,22 is connected with the negative pole of battery with Oil pump electrical machinery 24.Oil pump electrical machinery 24 is connected with hydraulic oil pump 3.
Working process of the present utility model: when 11 oil-feeds of lifting hydraulic ram, hydraulic oil promotes piston and moves down, and the coil spring 12 of piston lower end is moved down, and the distance of coil spring 12 upper ends and vehicle body 10 increases, vehicle body 10 height increase overhead.When direction switch 27 was in the position that falls, the oil in the lifting hydraulic ram 11 flowed back to fuel tank 1 by electromagnetic distribution valve 8, oil return pipe 9 under the effect of vehicle body 10 gravity, moved on the piston of lifting hydraulic ram 11, and vehicle body 10 reduces apart from ground-surface height.When in case vehicle body 10 is wanted run-off the straight, be contained in two the mercury level switches 28,29 on the vehicle body 10, one of them is in the position of conducting automatically, give relay power, relay is started working and is controlled electromagnetic distribution valve 8, high pressure oil through hydraulic oil pump 3 enters an oil cylinder, makes vehicle body 10 maintenance levels, avoids body inclination.When the road surface more at ordinary times, mercury level switch 28,29 is in off-state, the oil of lifting hydraulic ram 11 flows back to fuel tank 1.
When car need pass through relatively poor highway section, chaufeur is pressed direction switch 27, direction switch is on the position that rises, at this moment indicator lamp 20,23 is bright, by direction switch 27 control relays, relay closes, 8 conductings of control electromagnetic distribution valve, hydraulic oil produces high pressure by fil 2 by hydraulic oil pump 3, by check valve 5, pressure switch 6, enters hydraulic ram by accumulator 7, pressure regulating valve 4 through oil pipe again.Hydraulic oil promotes piston and moves down, and increases vehicle body 10 height overhead, smoothly by relatively poor highway section.
Claims (2)
1, a kind of car suspension electric-controlled hydraulic lifting device comprises vehicle body, hydraulic efficiency gear and electrical controller, and an end of the lifting hydraulic ram of hydraulic efficiency gear is connected with oil inlet, and hydraulic oil pump is connected with Oil pump electrical machinery, it is characterized in that,
The lifting hydraulic ram of a, hydraulic efficiency gear is installed between helical spring upper end of vehicle body and the vehicle body, the other end of lifting hydraulic ram is connected with the electromagnetic distribution valve, the electromagnetic distribution valve is connected with oil return pipe, accumulator and pressure switch, pressure switch is connected with pressure regulating valve, check valve, check valve is connected with hydraulic oil pump, hydraulic oil pump is connected with fil, and fil is connected with fuel tank;
B, the contact of the direction switch of control setup respectively with relay (14), (16), (18), (21), (25) a end connects, relay (14), (16), (18), (21) the other end is connected with battery cathode, two mercury level switches respectively with relay (14), (16) connect, relay (14), (16), (18), (21), (25) another contact respectively with electromagnetic valve (15), (17), (19), (22) be connected with Oil pump electrical machinery, indicator lamp is connected in parallel on relay (18), (21) on the magnet coil, key switch is connected with relay.
2, car suspension electric-controlled hydraulic lifting device according to claim 1 is characterized in that, an end of described mercury level switch, direction switch, key switch and relay all is connected with the positive pole of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096049 CN2728815Y (en) | 2004-09-29 | 2004-09-29 | Electric controlled hydraulic lifter for car suspension frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096049 CN2728815Y (en) | 2004-09-29 | 2004-09-29 | Electric controlled hydraulic lifter for car suspension frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2728815Y true CN2728815Y (en) | 2005-09-28 |
Family
ID=35047595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096049 Expired - Fee Related CN2728815Y (en) | 2004-09-29 | 2004-09-29 | Electric controlled hydraulic lifter for car suspension frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2728815Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442262A (en) * | 2014-06-25 | 2015-03-25 | 常州万安汽车部件科技有限公司 | Vehicle suspension system |
| CN105443639A (en) * | 2015-11-04 | 2016-03-30 | 武汉科技大学 | Automobile driving shock absorber based on electro-hydraulic servo |
| CN106427450A (en) * | 2016-09-20 | 2017-02-22 | 深圳市鑫金桥汽车贸易有限公司 | Lifting system and method for vehicle |
-
2004
- 2004-09-29 CN CN 200420096049 patent/CN2728815Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442262A (en) * | 2014-06-25 | 2015-03-25 | 常州万安汽车部件科技有限公司 | Vehicle suspension system |
| CN105443639A (en) * | 2015-11-04 | 2016-03-30 | 武汉科技大学 | Automobile driving shock absorber based on electro-hydraulic servo |
| CN106427450A (en) * | 2016-09-20 | 2017-02-22 | 深圳市鑫金桥汽车贸易有限公司 | Lifting system and method for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |