CN208919194U - A kind of temperature loading self-balancing hydro-pneumatic spring - Google Patents
A kind of temperature loading self-balancing hydro-pneumatic spring Download PDFInfo
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- CN208919194U CN208919194U CN201821693638.8U CN201821693638U CN208919194U CN 208919194 U CN208919194 U CN 208919194U CN 201821693638 U CN201821693638 U CN 201821693638U CN 208919194 U CN208919194 U CN 208919194U
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- fixedly connected
- subtask
- hydro
- main cylinder
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Abstract
The utility model discloses a kind of temperature loading self-balancing hydro-pneumatic springs, including Main cylinder and subtask cylinder, Main cylinder is fixedly connected with subtask cylinder, the lower end of Main cylinder is fixedly connected with the first connection ring, the upper end of Main cylinder is fixedly connected with sealing cover, the top of sealing cover is equipped with the second connection ring, second connection ring is fixedly connected with protective case, suspension suspension piston rod is fixedly connected in the middle part of protective case, one end of suspension piston rod passes through sealing cover and is fixedly connected with piston plate, the inside of subtask cylinder is equipped with floating piston, the second oil pocket is equipped between the side and the subtask inside wall of cylinder of floating piston, the utility model is provided with oil passage, circulation area regulating valve and floating piston, it can be by the pressure conduction of vehicle body vibration generation to floating piston, circulation area regulating valve can change the circulation in hydraulic oil fixed time period, So as to make hydro-pneumatic spring obtain different amount of resistant, it can avoid piston plate and hit with Main cylinder bottom wall.
Description
Technical field
The utility model relates to vehicle hydro-pneumatic spring fields, more particularly, to a kind of temperature loading self-balancing hydro-pneumatic spring.
Background technique
It is filled with compressed gas and oil liquid in closed container, the device of spring effect is realized using the compressibility of gas
Claim hydro-pneumatic spring, hydro-pneumatic spring uses oil liquid as power transmission medium, usually by gas using inert gas (nitrogen) as elastic fluid
It body spring and is equivalent to composed by the hydraulic cylinder of hydraulic shock absorber, traditional hydro-pneumatic spring elasticity is certain, in prevailing roadway uplink
It sails, hydro-pneumatic spring is not subject to excessive pressure, but in bumpy road, and hydro-pneumatic spring is easily more than elastic limit, at this moment lives
Plug can be collided with working cylinder bottom wall, can be issued abnormal sound and be generated strong pause and transition in rhythm or melody sense, not can guarantee the riding comfort of vehicle, and
Conventional truck hydro-pneumatic spring suspension can not adjust height, it is difficult to adapt to multiple road situation.
Utility model content
The utility model is to overcome above situation insufficient, it is desirable to provide a kind of technical solution that can solve the above problem.
A kind of temperature loading self-balancing hydro-pneumatic spring, including Main cylinder and subtask cylinder, the Main cylinder and secondary work
It is fixedly connected as cylinder, the lower end of the Main cylinder is fixedly connected with the first connection ring, and the upper end of the Main cylinder is fixed to be connected
It is connected to sealing cover, the top of the sealing cover is equipped with the second connection ring, and second connection ring is fixedly connected with protective case, the shield
Suspension suspension piston rod is fixedly connected in the middle part of shell, one end of the suspension piston rod passes through sealing cover and is fixedly connected with piston
Plate, the inside of the subtask cylinder are equipped with floating piston, and the is equipped between the side and the subtask inside wall of cylinder of the floating piston
Two oil pockets are equipped with plenum chamber, the piston plate and main work between the other side and the subtask inside wall of cylinder of the floating piston
It is equipped with the first oil pocket between the inside wall of cylinder, oil passage, the oil passage are communicated between first oil pocket and the second oil pocket
Middle part be fixedly installed with circulation area regulating valve, second connection ring is fixedly mounted on the outside of vehicle body, first connection
Ring is fixedly connected with wheel, and additional gas tank is fixedly installed on the downside of the vehicle body, is fixedly connected on the downside of the additional gas tank
There are an air pump and return pipe, the output end of the air pump is fixedly connected with diversion pipe, and the return pipe and diversion pipe are and high pressure gas
Room connection, one end of the return pipe are fixedly installed with exhaust solenoid valve, and one end of the diversion pipe is fixedly installed with air inlet electricity
Magnet valve.
As a further solution of the present invention: the input terminal of the air pump is connected to additional gas tank.
As a further solution of the present invention: the protective case is socketed on the outer wall of Main cylinder, the protective case
Inner wall radius is identical as the exterior radius of Main cylinder.
As a further solution of the present invention: filled with hydraulic oil in first oil pocket and the second oil pocket, it is described
Filled with nitrogen in additional gas tank and plenum chamber.
As a further solution of the present invention: the radius in the middle part of the subtask cylinder is greater than subtask cylinder two ends
Radius.
The utility model has the beneficial effects that
(1) the utility model is provided with oil passage, circulation area regulating valve and floating piston, can shake vehicle body and generate
Pressure conduction to floating piston, circulation area regulating valve can change the circulation in hydraulic oil fixed time period, so as to
So that hydro-pneumatic spring is obtained different amount of resistant, can avoid piston plate and hit with Main cylinder bottom wall, it is ensured that ride comfort
Property；
(2) the utility model is provided with air pump, additional gas tank, exhaust solenoid valve, intake solenoid valve, return pipe and water conservancy diversion
Pipe can form nitrogen circulation additional between gas tank and air pump, bumpy road travels, and air pump work can raise vehicle body and ground
The distance in face, smooth road traveling, exhaust solenoid valve exhaust can reduce bodywork height, can effectively promote the stability of vehicle body.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of internal structure of the utility model hydro-pneumatic spring；
Fig. 2 is the mounting structure schematic diagram of the utility model hydro-pneumatic spring.
In figure: 1, Main cylinder；2, subtask cylinder；3, the first connection ring；4, sealing cover；5, the second connection ring；6, protective case；
7, suspension piston rod；8, piston plate；9, the first oil pocket；10, the second oil pocket；11, oil passage；12, circulation area regulating valve；
13, floating piston；14, gas tank is added；15, air pump；16, return pipe；17, diversion pipe；18, intake solenoid valve；19, it is vented electromagnetism
Valve；20, vehicle body；21, wheel；22, plenum chamber.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of temperature loading self-balancing hydro-pneumatic spring, including main work
Cylinder 1 and subtask cylinder 2, Main cylinder 1 are fixedly connected with subtask cylinder 2, and the lower end of Main cylinder 1 is fixedly connected with the first connection
Ring 3, the upper end of Main cylinder 1 are fixedly connected with sealing cover 4, and the top of sealing cover 4 is equipped with the second connection ring 5, the second connection ring 5
It is fixedly connected with protective case 6, protective case 6 is avoided that suspension suspension piston rod 7 is corroded by external environment, and the middle part of protective case 6 is fixedly connected
Have a suspension suspension piston rod 7, one end of suspension piston rod 7 passes through sealing cover 4 and is fixedly connected with piston plate 8, subtask cylinder 2 it is interior
Portion is equipped with floating piston 13, is equipped with the second oil pocket 10, floating piston 13 between 2 inner wall of side and subtask cylinder of floating piston 13
2 inner wall of the other side and subtask cylinder between be equipped with plenum chamber 22, first is equipped between 1 inner wall of piston plate 8 and Main cylinder
Oil pocket 9, is communicated with oil passage 11 between the first oil pocket 9 and the second oil pocket 10, the middle part of oil passage 11 is fixedly installed with stream
Logical area regulating valve 12, circulation area regulating valve 12 can change the circulation in hydraulic oil fixed time period, so as to make oil
Gas spring obtains different amount of resistant, can avoid piston plate 8 and hits with 1 bottom wall of Main cylinder, the fixed peace of the second connection ring 5
Mounted in 20 outside of vehicle body, the first connection ring 3 is fixedly connected with wheel 21, and the downside of vehicle body 20 is fixedly installed with additional gas tank 14,
The downside of additional gas tank 14 is fixedly connected with air pump 15 and return pipe 16, and air pump 15 is the air pump 15 of 750-30L model, air pump 15
Output end be fixedly connected with diversion pipe 17, return pipe 16 and diversion pipe 17 are connected to plenum chamber 22, the one of return pipe 16
End is fixedly installed with exhaust solenoid valve 19, and one end of diversion pipe 17 is fixedly installed with intake solenoid valve 18.
Further, in this embodiment the input terminal of air pump 15 is connected to additional gas tank 14, can easily extract additional
Nitrogen in gas tank 14, air pump 15 are fixedly linked with additional about 14 gas tank, and the input terminal of air pump 15 is placed in additional gas tank 14
It is internal.
Further, in this embodiment protective case 6 is socketed on the outer wall of Main cylinder 1, the inner wall radius of protective case 6 and main work
The exterior radius for making cylinder 1 is identical, energy effective protection suspension suspension piston rod 7, and ambient atmos are difficult to through protective case 6 and main work
Gap between cylinder 1.
Further, in this embodiment adding gas tank 14 and height filled with hydraulic oil in the first oil pocket 9 and the second oil pocket 10
Filled with nitrogen in plenum chamber 22, the atmospheric pressure value added in gas tank 14 is consistently lower than the atmospheric pressure value in plenum chamber 22, it is ensured that row
Pneumoelectric magnet valve 19 can be realized degassing function.
Further, in this embodiment the radius at 2 middle part of subtask cylinder is greater than the radius of 2 two ends of subtask cylinder, can prevent
Only floating piston 13 is mobile excessive, it is ensured that oil gas can be consistently separated.
The working principle of the utility model is: suspension piston rod 7 will in use, vehicle body 20 can generate vibration due to jolting
It will push the pushing of piston plate 8, and then hydraulic oil in extrudable first oil pocket 9, hydraulic oil flow through oil passage 11, can pass pressure
To floating piston 13, circulation area regulating valve 12 can change the circulation in hydraulic oil fixed time period, so as to make oil gas
Spring obtains different amount of resistant, can avoid piston plate 8 and hits with 1 bottom wall of Main cylinder, booster air pump 15 can will add
Nitrogen pressurization in gas tank 14 imports in plenum chamber 22, and the oil mass in the first oil pocket 9 can be made to increase, at this time Main cylinder 1
Length elongation can raise vehicle body 20 at a distance from ground, be suitble to bumpy road traveling, open exhaust solenoid valve 19, can be by high pressure
Nitrogen in gas chamber 22 is discharged into additional gas tank 14 along return pipe 16, and the length of Main cylinder 1 shortens at this time, can effectively promote vehicle
The stability of body 20.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of temperature loading self-balancing hydro-pneumatic spring, including Main cylinder (1) and subtask cylinder (2), the Main cylinder (1)
It is fixedly connected with subtask cylinder (2), the lower end of the Main cylinder (1) is fixedly connected with the first connection ring (3), the main work
The upper end of cylinder (1) is fixedly connected with sealing cover (4), and the top of the sealing cover (4) is equipped with the second connection ring (5), and described second
Connection ring (5) is fixedly connected with protective case (6), and suspension suspension piston rod (7) is fixedly connected in the middle part of the protective case (6), described
One end of suspension piston rod (7) passes through sealing cover (4) and is fixedly connected with piston plate (8), and the inside of the subtask cylinder (2) is equipped with
Floating piston (13), which is characterized in that the second oil is equipped between the side and subtask cylinder (2) inner wall of the floating piston (13)
Chamber (10) is equipped with plenum chamber (22) between the other side and subtask cylinder (2) inner wall of the floating piston (13), the piston
The first oil pocket (9) are equipped between plate (8) and Main cylinder (1) inner wall, are connected between first oil pocket (9) and the second oil pocket (10)
It is connected with oil passage (11), is fixedly installed with circulation area regulating valve (12) in the middle part of the oil passage (11), described second
Connection ring (5) is fixedly mounted on the outside of vehicle body (20), and first connection ring (3) is fixedly connected with wheel (21), the vehicle body
(20) it is fixedly installed with additional gas tank (14), air pump (15) is fixedly connected on the downside of the additional gas tank (14) and returns on the downside of
The output end of flow tube (16), the air pump (15) is fixedly connected with diversion pipe (17), the return pipe (16) and diversion pipe (17)
It is connected to plenum chamber (22), one end of the return pipe (16) is fixedly installed with exhaust solenoid valve (19), the diversion pipe
(17) one end is fixedly installed with intake solenoid valve (18).
2. temperature loading self-balancing hydro-pneumatic spring according to claim 1, which is characterized in that the input of the air pump (15)
End is connected to additional gas tank (14).
3. temperature loading self-balancing hydro-pneumatic spring according to claim 1, which is characterized in that the protective case (6) is socketed in
On the outer wall of Main cylinder (1), the inner wall radius of the protective case (6) is identical as the exterior radius of Main cylinder (1).
4. temperature loading self-balancing hydro-pneumatic spring according to claim 1, which is characterized in that first oil pocket (9) and
Filled with hydraulic oil in second oil pocket (10), filled with nitrogen in the additional gas tank (14) and plenum chamber (22).
5. temperature loading self-balancing hydro-pneumatic spring according to claim 1, which is characterized in that in the subtask cylinder (2)
The radius in portion is greater than the radius of subtask cylinder (2) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693638.8U CN208919194U (en) | 2018-10-19 | 2018-10-19 | A kind of temperature loading self-balancing hydro-pneumatic spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693638.8U CN208919194U (en) | 2018-10-19 | 2018-10-19 | A kind of temperature loading self-balancing hydro-pneumatic spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919194U true CN208919194U (en) | 2019-05-31 |
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ID=66709805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821693638.8U Active CN208919194U (en) | 2018-10-19 | 2018-10-19 | A kind of temperature loading self-balancing hydro-pneumatic spring |
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| CN (1) | CN208919194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184902A (en) * | 2019-07-10 | 2019-08-30 | 重庆三峡学院 | A kind of bridge structure composite anti-collision hits energy-consumption shock-absorption device |
| CN112709889A (en) * | 2021-01-15 | 2021-04-27 | 华北理工大学 | Multi-degree-of-freedom damping device for electromechanical equipment |
-
2018
- 2018-10-19 CN CN201821693638.8U patent/CN208919194U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184902A (en) * | 2019-07-10 | 2019-08-30 | 重庆三峡学院 | A kind of bridge structure composite anti-collision hits energy-consumption shock-absorption device |
| CN110184902B (en) * | 2019-07-10 | 2023-12-22 | 重庆三峡学院 | Combined type anti-collision energy-consumption damping device for bridge structure |
| CN112709889A (en) * | 2021-01-15 | 2021-04-27 | 华北理工大学 | Multi-degree-of-freedom damping device for electromechanical equipment |
| CN112709889B (en) * | 2021-01-15 | 2022-05-13 | 华北理工大学 | Multi-degree-of-freedom damping device for electromechanical equipment |
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