CN202322320U - Liquid filling device - Google Patents
Liquid filling device Download PDFInfo
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- CN202322320U CN202322320U CN2011204096077U CN201120409607U CN202322320U CN 202322320 U CN202322320 U CN 202322320U CN 2011204096077 U CN2011204096077 U CN 2011204096077U CN 201120409607 U CN201120409607 U CN 201120409607U CN 202322320 U CN202322320 U CN 202322320U
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Abstract
The utility model relates to a liquid filling device, which comprises a vacuumizing portion providing negative pressure, a filling portion providing pressurized liquid and a reversing valve. The vacuumizing portion and the filling portion are respectively communicated with the inlet end of the reversing valve. The liquid filling device is simple and novel in structure and convenient to operate and has the advantages of vacuumizing first and filling second.
Description
Technical field
The utility model relates to a kind of liquid filling device, is mainly used in vacuumizing and the liquid perfusion of elastic element, also can be applied to the fluid perfusion of other mechanical industries.
Background technology
Along with the fast development of wind-power electricity generation, power is increasing, also requires increasingly high to the performance of unit each side.In order to guarantee wind power generating set driving system smooth running, traditional caoutchous shock absorber can't satisfy the requirement of the big damping of low frequency, has therefore developed hydraulic shock absorber.
Hydraulic shock absorber is applied to the vibration damping of automotive engine the earliest; The rigidity of shock absorber is little; The elastic element internal pressure initially equals barometric pressure, and immersion is adopted in the perfusion of liquid, and the part that is about to elastic element all immerses in the liquid and encapsulates; Treat that liquid all is full of the product internal chamber, after air all discharges, installs product again.It is big that this mounting means is implemented difficulty, and supercharging pressure is little, wayward, is difficult to satisfy the high requirement of the big rigidity reliability of wind-powered electricity generation elastic element, therefore liquid poured into elastic element inside smoothly and obtains good performance to have become a difficult problem.
Summary of the invention
Because above-mentioned existing in prior technology defective, the purpose of the utility model is, a kind of novelty simple in structure, easy to operate liquid filling device are provided.
To achieve these goals, according to a kind of liquid filling device that the utility model proposes, it comprises: the portion that vacuumizes that negative pressure is provided; The perfusion portion of fluid under pressure is provided; And change-over valve; Saidly vacuumize portion, this perfusion portion is communicated with the arrival end of this change-over valve respectively.
The utility model also can adopt following technical measures further to realize.
Aforesaid liquid filling device, the wherein said portion of vacuumizing comprises vacuum pump and the gas communication pipeline that is communicated with this vacuum pump, this gas communication pipeline is communicated with this change-over valve arrival end.
Aforesaid liquid filling device, the wherein said portion of vacuumizing also comprises the vacuum indicator or the first sensor of the detection degree of vacuum that is arranged on this gas communication pipeline.
Aforesaid liquid filling device, the wherein said portion of vacuumizing comprises the connection that is arranged on this gas communication pipeline or blocks first switch valve of this gas communication pipeline.
Aforesaid liquid filling device, wherein said perfusion portion comprises Hydraulic Pump and the liquid communication pipeline that is communicated with this Hydraulic Pump, this liquid communication pipeline is communicated with the change-over valve arrival end.
Aforesaid liquid filling device, wherein said perfusion portion comprises the charging water gauge or second sensor of the detection hydraulic pressure that is arranged on this liquid communication pipeline.
Aforesaid liquid filling device, wherein said perfusion portion comprises the connection that is arranged on this liquid communication pipeline or blocks the second switch valve of this liquid communication pipeline.
Aforesaid liquid filling device, wherein said perfusion portion also comprises and is arranged on this liquid communication pipeline by pass valve.
Aforesaid liquid filling device, it also comprises control unit, receives the negative pressure of this vacuum and the fluid pressure of this perfusion portion, controls the switching-over of this change-over valve, this change-over valve is a solenoid directional control valve.
Aforesaid liquid filling device, it also comprises control unit; This portion of vacuumizing comprises vacuum pump and the gas communication pipeline that is communicated with this vacuum pump, and this gas communication pipeline is communicated with this change-over valve arrival end, and this gas communication pipeline is provided with the first sensor that detects degree of vacuum; This perfusion portion comprises Hydraulic Pump and the liquid communication pipeline that is communicated with this Hydraulic Pump, and this liquid communication pipeline is communicated with the change-over valve arrival end, and this liquid communication pipeline is provided with second sensor that detects hydraulic pressure; This control unit is connected with this vacuum pump, this Hydraulic Pump, this first sensor, this second sensor and this change-over valve signal, receives degree of vacuum and hydraulic pressure signal, controls the startup of this vacuum pump, this Hydraulic Pump and closes, and controls the switching-over of this change-over valve; This change-over valve is a solenoid directional control valve.
In sum, the liquid filling device that the utility model proposed mainly comprises the portion of vacuumizing and perfusion portion, is mainly used in the liquid perfusion of wind power generating set rubber elastic element.The liquid filling device of the utility model, novelty simple in structure, easy to operate has the effect of the perfusion of vacuumizing earlier again.In addition, the liquid filling device of the utility model can accurately be controlled degree of vacuum and injection pressure, feasible rubber elastic element via liquid filling device perfusion fluid under pressure, and its elastic stiffness high conformity, reliable and stable, long service life.Hydraulic pressure through the adjustment liquid filling device makes rubber elastic element obtain predetermined elasticity rigidity, to satisfy the different damping performance demands.
Description of drawings
Fig. 1 is the system architecture scheme drawing of the utility model liquid filling device preferred embodiment.
Fig. 2 is the system architecture scheme drawing of another preferred embodiment of the utility model liquid filling device.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked; Below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of liquid filling device, step, structure, characteristic and the effect thereof that proposes according to the utility model specified.
Seeing also shown in Figure 1ly, is the system architecture scheme drawing of the utility model liquid filling device preferred embodiment.The liquid filling device of the utility model preferred embodiment mainly comprises portion of vacuumizing 10 and perfusion portion 20, and the two is communicated with two arrival ends of change-over valve 6 respectively.The exit end of change-over valve 6 be poured element 8 and be communicated with, to realize vacuumizing earlier again the function of perfusion fluid.Being poured element 8 can be existing product; It for example is rubber parts; It has reperfusion space, liquid sealing structure and perfusing hole, and sealing was poured element 8 perfusing holes after perfusion was accomplished, and can adjust elastic stiffness or the damping that is poured element 8 through the perfusion fluid under pressure.
The above-mentioned portion that vacuumizes 10 is used to provide negative pressure, comprises vacuum pump 11 and the gas communication pipeline 12 that is communicated with vacuum pump 11, and this gas communication pipeline 12 is communicated to an arrival end of change-over valve 6.This vacuumizes portion 10 and also comprises the vacuum indicator 13 of the detection degree of vacuum that is connected gas communication pipeline 12 and the switch valve 14 of connection or block gas circulation duct 12.
Above-mentioned perfusion portion 20 is used to provide fluid under pressure, comprises Hydraulic Pump 21 and the liquid communication pipeline 22 that is communicated with Hydraulic Pump 21, and this liquid communication pipeline 22 is communicated to another arrival end of change-over valve 6.This perfusion portion 20 also comprises the charging water gauge 23 of the tracer liquid pressure that is connected liquid communication pipeline 22 and connects or block the switch valve 24 of liquid communication pipeline 22.
The liquid filling device of present embodiment uses operation as follows.At first, will be poured element 8 and be connected to change-over valve 6 exit end, change-over valve 6 is arranged on the portion of vacuumizing 10 and is poured the position that element 8 is communicated with; Afterwards, carry out vacuum: open switch valve 14, start vacuum pump 11, make be poured form in the element 8 negative pressure (for example, the relative vacuum degree reaches-75kPa, perhaps 0～-90kPa), off switch valve 14 is accomplished vacuum; Again; Carry out filling process: the communication direction of adjustment change-over valve 6 makes perfusion portion 20 and is poured element 8 and is communicated with, and opens switch valve 24, primer fluid press pump 21; Liquid is filled into is poured in the element 8; (detect) when hydraulic pressure reaches predetermined value and stop perfusion, close Hydraulic Pump 21 and switch valve 24, accomplish filling process by charging water gauge 23.Aforesaid degree of vacuum (relative vacuum degree) is meant measures the difference that barometric pressure (kPa) deducts standard atmosphere (kPa).
The liquid filling device of present embodiment is simple in structure, easy to use, has to vacuumize the effect of perfusion more earlier.In addition, the liquid filling device of present embodiment can accurately be controlled degree of vacuum and injection pressure, the feasible element that is poured via liquid filling device perfusion fluid under pressure, and its elastic stiffness high conformity, reliable and stable, long service life.
Seeing also shown in Figure 2ly, is the system architecture scheme drawing of another preferred embodiment of the utility model liquid filling device.The liquid filling device of present embodiment mainly comprises the portion of vacuumizing 10 ', perfusion portion 20 ' and control unit 40; Vacuumize portion 10 ', perfusion portion 20 ' and be communicated with two arrival ends of change-over valve 6 respectively, the exit end of change-over valve 6 be poured element 8 and be communicated with; Control unit 40 control vacuum 10 ', perfusion portion 20 ' and change-over valve 6 are to realize vacuumizing earlier the function of perfusion fluid again.In the present embodiment, change-over valve 6 is solenoid directional control valves.
The above-mentioned portion that vacuumizes 10 ' is used to provide negative pressure, comprises vacuum pump 11 and the gas communication pipeline 12 that is communicated with vacuum pump 11, and this gas communication pipeline 12 is communicated to an arrival end of change-over valve 6.This vacuumizes the first sensor 16 that portion 10 also comprises the detection degree of vacuum that is connected gas communication pipeline 12, and this first sensor 16 is connected with control unit 40 signals.
Above-mentioned perfusion portion 20 ' is used to provide fluid under pressure, comprises Hydraulic Pump 21 and the liquid communication pipeline 22 that is communicated with Hydraulic Pump 21, and this liquid communication pipeline 22 is communicated to another arrival end of change-over valve 6.This perfusion portion 20 also comprises second sensor 26 of the tracer liquid pressure that is connected liquid communication pipeline 22 and is connected the by pass valve 25 of liquid communication pipeline 22.This second sensor 26 is connected with control unit 40 signals.
Above-mentioned control unit 40 receives the signal of the first sensor 16 and second sensor 26, the switching of control vacuum pump 11, Hydraulic Pump 21, the switching-over of control change-over valve 6.
The liquid filling device of present embodiment can also comprise quick coupling 7, and this quick coupling 7 is communicated with the exit end of change-over valve 6, with dismounting and the carrying that makes things convenient for equipment.
The liquid filling device of present embodiment uses operation as follows.At first, will be poured element 8 is connected with liquid filling device; Afterwards; Control unit 40 is controlled at change-over valve 6 portion of vacuumizing 10 ' and is poured the position that element 8 is communicated with; And start vacuum pump 11 and make to be poured and form negative pressure in the element 8; When the degree of vacuum of the gas communication pipeline 12 that first sensor 16 detects reaches predetermined value (for example, the relative vacuum degree reach-75kPa) control unit 40 is closed vacuum pump 11; After accomplishing vacuum; 6 switching-overs of control unit 40 control change-over valves make perfusion portion 20 ' and are poured element 8 and are communicated with; And primer fluid press pump 21; Liquid is filled into is poured in the element 8, control unit 40 was closed Hydraulic Pump 21 when the hydraulic pressure that second sensor 26 detects reached predetermined value, accomplished the liquid perfusion.
The liquid filling device of present embodiment is simple in structure, easy to use, has to vacuumize the effect of perfusion more earlier.In addition, liquid filling device can accurately be controlled degree of vacuum and injection pressure, the feasible element that is poured via liquid filling device perfusion fluid under pressure, and its elastic stiffness high conformity, reliable and stable, long service life.Hydraulic pressure through the adjustment liquid filling device makes rubber elastic element obtain predetermined elasticity rigidity, to satisfy the different damping performance demands.
Though the utility model discloses as above with preferred embodiment; So be not in order to limit the scope that the utility model is implemented; The simple equivalent of doing according to the claims and the description of the utility model changes and modification, still belongs in the scope of the utility model technical scheme.
Claims (10)
1. liquid filling device is characterized in that it comprises:
The portion that vacuumizes of negative pressure is provided; The perfusion portion of fluid under pressure is provided; And change-over valve; Saidly vacuumize portion, this perfusion portion is communicated with the arrival end of this change-over valve respectively.
2. liquid filling device as claimed in claim 1 is characterized in that the wherein said portion of vacuumizing comprises vacuum pump and the gas communication pipeline that is communicated with this vacuum pump, and this gas communication pipeline is communicated with this change-over valve arrival end.
3. liquid filling device as claimed in claim 2 is characterized in that the wherein said portion of vacuumizing also comprises the vacuum indicator or the first sensor of the detection degree of vacuum that is arranged on this gas communication pipeline.
4. liquid filling device as claimed in claim 2 is characterized in that the wherein said portion of vacuumizing comprises the connection that is arranged on this gas communication pipeline or blocks first switch valve of this gas communication pipeline.
5. liquid filling device as claimed in claim 1 is characterized in that wherein said perfusion portion comprises Hydraulic Pump and the liquid communication pipeline that is communicated with this Hydraulic Pump, and this liquid communication pipeline is communicated with the change-over valve arrival end.
6. liquid filling device as claimed in claim 5 is characterized in that wherein said perfusion portion also comprises the charging water gauge or second sensor of the detection hydraulic pressure that is arranged on this liquid communication pipeline.
7. liquid filling device as claimed in claim 5 is characterized in that wherein said perfusion portion comprises the connection that is arranged on this liquid communication pipeline or blocks the second switch valve of this liquid communication pipeline.
8. liquid filling device as claimed in claim 5 is characterized in that wherein said perfusion portion comprises to be arranged on this liquid communication pipeline by pass valve.
9. like the described liquid filling device of arbitrary claim in the claim 1 to 7, it is characterized in that it also comprises control unit, this control unit receives the negative pressure of this vacuum and the fluid pressure of this perfusion portion, controls the switching-over of this change-over valve; This change-over valve is a solenoid directional control valve.
10. liquid filling device as claimed in claim 1 is characterized in that it also comprises control unit; This portion of vacuumizing comprises vacuum pump and the gas communication pipeline that is communicated with this vacuum pump, and this gas communication pipeline is communicated with this change-over valve arrival end, and this gas communication pipeline is provided with the first sensor that detects degree of vacuum; This perfusion portion comprises Hydraulic Pump and the liquid communication pipeline that is communicated with this Hydraulic Pump, and this liquid communication pipeline is communicated with the change-over valve arrival end, and this liquid communication pipeline is provided with second sensor that detects hydraulic pressure; This control unit is connected with this vacuum pump, this Hydraulic Pump, this first sensor, this second sensor and this change-over valve signal; This control unit receives degree of vacuum and hydraulic pressure signal; Control the startup of this vacuum pump, this Hydraulic Pump and close, control the switching-over of this change-over valve; This change-over valve is a solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204096077U CN202322320U (en) | 2011-10-25 | 2011-10-25 | Liquid filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204096077U CN202322320U (en) | 2011-10-25 | 2011-10-25 | Liquid filling device |
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| Publication Number | Publication Date |
|---|---|
| CN202322320U true CN202322320U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204096077U Expired - Lifetime CN202322320U (en) | 2011-10-25 | 2011-10-25 | Liquid filling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865280A (en) * | 2015-04-30 | 2015-08-26 | 南京航空航天大学 | Positron liquid perfusion system and method |
| CN105422715A (en) * | 2015-12-31 | 2016-03-23 | 江苏铁科新材料股份有限公司 | Hydraulic pressure assisted elastic supporting device |
| CN105626753A (en) * | 2014-10-27 | 2016-06-01 | 株洲时代新材料科技股份有限公司 | Magnetorheological suspensions vacuum perfusion system of magneto rheological damper |
| CN105626752A (en) * | 2014-10-27 | 2016-06-01 | 株洲时代新材料科技股份有限公司 | Magnetorheological suspensions vacuum perfusion method of magneto rheological damper |
| CN105909718A (en) * | 2016-04-21 | 2016-08-31 | 北京空间飞行器总体设计部 | Device for filling dampers with viscous fluid and use method of device |
| CN108016639A (en) * | 2016-11-04 | 2018-05-11 | 北京自动化控制设备研究所 | Molecular electronic type angular accelerometer sensing assembly is pressurized sealed-off closing device and method |
| CN108529545A (en) * | 2018-04-04 | 2018-09-14 | 中广核核电运营有限公司 | Transmitter evacuation liquid-filling system and method |
-
2011
- 2011-10-25 CN CN2011204096077U patent/CN202322320U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626753A (en) * | 2014-10-27 | 2016-06-01 | 株洲时代新材料科技股份有限公司 | Magnetorheological suspensions vacuum perfusion system of magneto rheological damper |
| CN105626752A (en) * | 2014-10-27 | 2016-06-01 | 株洲时代新材料科技股份有限公司 | Magnetorheological suspensions vacuum perfusion method of magneto rheological damper |
| CN105626753B (en) * | 2014-10-27 | 2017-12-22 | 株洲时代新材料科技股份有限公司 | A kind of MR damper magnetic flow liquid priming by vacuum system |
| CN105626752B (en) * | 2014-10-27 | 2018-06-19 | 株洲时代新材料科技股份有限公司 | A kind of magnetorheological fluid vacuum infusion method of MR damper |
| CN104865280A (en) * | 2015-04-30 | 2015-08-26 | 南京航空航天大学 | Positron liquid perfusion system and method |
| CN105422715A (en) * | 2015-12-31 | 2016-03-23 | 江苏铁科新材料股份有限公司 | Hydraulic pressure assisted elastic supporting device |
| CN105909718A (en) * | 2016-04-21 | 2016-08-31 | 北京空间飞行器总体设计部 | Device for filling dampers with viscous fluid and use method of device |
| CN108016639A (en) * | 2016-11-04 | 2018-05-11 | 北京自动化控制设备研究所 | Molecular electronic type angular accelerometer sensing assembly is pressurized sealed-off closing device and method |
| CN108529545A (en) * | 2018-04-04 | 2018-09-14 | 中广核核电运营有限公司 | Transmitter evacuation liquid-filling system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
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| CX01 | Expiry of patent term |