CN203730644U - Liquid filling device of large hydraulic damper - Google Patents
Liquid filling device of large hydraulic damper Download PDFInfo
- Publication number
- CN203730644U CN203730644U CN201420033627.2U CN201420033627U CN203730644U CN 203730644 U CN203730644 U CN 203730644U CN 201420033627 U CN201420033627 U CN 201420033627U CN 203730644 U CN203730644 U CN 203730644U
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- hydraulic
- oil
- hydraulic damper
- way valve
- topping
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Abstract
The utility model discloses a liquid filling device of a large hydraulic damper, and belongs to the field of liquid filling of the hydraulic damper. The liquid filling device of the large hydraulic damper comprises the hydraulic damper, a three-station four-way valve, a liquid storage box, a filter, a one-way quantitative hydraulic pump and a vacuum air extractor. A piston front cavity and a piston rear cavity of a hydraulic cylinder in the hydraulic damper serve as an oil inlet cavity successively by switching the position of a sliding valve in the three-station four-way valve, a piston in the hydraulic cylinder is pushed by pressure of hydraulic oil to move, and accordingly residue gas in the hydraulic cylinder is extruded and the hydraulic cylinder is filled with the hydraulic oil; the vacuum air extractor is in parallel connection with an oil discharge pipeline connecting a second liquid filling port with a second outlet B, and accordingly the amount of remaining gas in the hydraulic oil can be reduced as much as possible. By means of the liquid filling device, the hydraulic cylinder in the hydraulic damper is filled with the hydraulic oil, and the content of the gas in the hydraulic oil is as low as possible.
Description
Technical field
The utility model relates to the topping up field of hydraulic damper, more particularly, relates to a kind of charging device of large hydraulic damper.
Background technique
Large hydraulic damper is nuclear power station, large bridge, and high-rise buildings earthquake-proof, wind resistance shakes, and resists the protection work that burst load impacts.The agent structure of large hydraulic damper is heavy caliber oil hydraulic cylinder, is full of the hydraulic oil that viscosity-temperature coefficient is little in cavity.In the time being subject to strong impact or vibrating load, to present high rigidity and there is high rigidity, thereby in hydraulic oil, will strictly control the content of air.
Summary of the invention
1. the technical problem that model utility will solve
The purpose of this utility model is to overcome the hydraulic oil of hydraulic damper in prior art and contains the deficiency of air, a kind of charging device of large hydraulic damper is provided, adopt the technical solution of the utility model, can realize and in hydraulic damper, in oil hydraulic cylinder, be full of hydraulic oil and make in hydraulic oil gas content as far as possible low, guarantee that hydraulic damper is in the requirement of resisting rigidity and little side-play amount when impacting and resisting vibration.
2. technological scheme
For achieving the above object, the technological scheme that the utility model provides is:
The charging device of a kind of large hydraulic damper of the present utility model, comprise hydraulic damper, three-position four-way valve, fluid storage tank, filter, unidirectional quantitative hydraulic pump and vacuum suction device, the filler opening of described unidirectional quantitative hydraulic pump is connected with fluid storage tank, and the oil outlet of this unidirectional quantitative hydraulic pump is connected with the oil inlet P of three-position four-way valve through filter; Between described filter and three-position four-way valve, be parallel with the relief valve of guaranteeing unidirectional quantitative hydraulic pump security of operation; The first delivery outlet A of described three-position four-way valve is connected with the first topping up interface of hydraulic damper, and this first topping up interface communicates with the piston ante-chamber of oil hydraulic cylinder in hydraulic damper; The second topping up interface of described hydraulic damper is connected with the second delivery outlet B of three-position four-way valve, and this second topping up interface communicates with the piston back cavity of oil hydraulic cylinder in hydraulic damper; The oil outlet T of described three-position four-way valve is connected with fluid storage tank; Described vacuum suction device is connected in parallel on the oil extraction pipeline that connects the second topping up interface and the second delivery outlet B.
Further, described vacuum suction device comprises exhaust pipe, observes bottle, vacuum pump and two position two-way valve, and the oil outlet of described two position two-way valve is connected in parallel on the oil extraction pipeline that connects the second topping up interface and the second delivery outlet B; The filler opening of described two position two-way valve is connected with one end of exhaust pipe, and the other end of this exhaust pipe extend under the liquid level of observing bottle; The top of described observation bottle is connected with vacuum pump.
Further, on described exhaust pipe, be parallel with cushion dashpot.
Further, the bleeding point place of described vacuum pump is provided with vacuum measuring instrument.
Further, in described fluid storage tank, be provided with level meter.
Further, the storage liquid bottom surface in described cushion dashpot and observation bottle all should be higher than the highest liquid level in hydraulic damper.
3. beneficial effect
The technological scheme that adopts the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) charging device of a kind of large hydraulic damper of the present utility model, the first delivery outlet A of its three-position four-way valve is connected with the first topping up interface of hydraulic damper, the second topping up interface of its hydraulic damper and the second delivery outlet B of three-position four-way valve, making piston ante-chamber, the piston back cavity of oil hydraulic cylinder in hydraulic damper by switching the position of guiding valve in three-position four-way valve is successively oil suction chamber, promote piston in hydraulic cylinder by the pressure of hydraulic oil and move, and then the residual gas in oil hydraulic cylinder is squeezed out and in oil hydraulic cylinder, be full of hydraulic oil;
(2) charging device of a kind of large hydraulic damper of the present utility model, its vacuum suction device is connected in parallel on the oil extraction pipeline that connects the second topping up interface and the second delivery outlet B, vacuum suction device comprises exhaust pipe, observes bottle, vacuum pump and two position two-way valve, residual gas in hydraulic oil can be taken out to the greatest extent;
(3) charging device of a kind of large hydraulic damper of the present utility model, its vacuum suction device comprises observes bottle, can be intuitively according to the observation in bottle the escaped quantity of bubble judge the residual quantity of gas in hydraulic oil;
(4) charging device of a kind of large hydraulic damper of the present utility model, is parallel with cushion dashpot on its exhaust pipe, can ensure necessary hydraulic oil magnitude of recruitment;
(5) charging device of a kind of large hydraulic damper of the present utility model, the bleeding point place of its vacuum pump is provided with vacuum measuring instrument, for monitoring degree of vacuum;
(6) charging device of a kind of large hydraulic damper of the present utility model, its cushion dashpot and the storage liquid bottom surface of observing in bottle all should be higher than the highest liquid levels in hydraulic damper, prevent that hydraulic oil from being extracted out by vacuum pump.
Brief description of the drawings
Fig. 1 is the hydraulic scheme of the charging device of a kind of large hydraulic damper of the present utility model.
Label declaration in schematic diagram: 1, hydraulic damper; 2, the first topping up interface; 3, the second topping up interface; 4, three-position four-way valve; 5, fluid storage tank; 6, relief valve; 7, filter; 8, unidirectional quantitative hydraulic pump; 9, level meter; 10, cushion dashpot; 11, observe bottle; 12, vacuum pump; 13, vacuum measuring instrument; 14, two position two-way valve.
Embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment
In conjunction with Fig. 1, the charging device of a kind of large hydraulic damper of the present embodiment, comprise hydraulic damper 1, three-position four-way valve 4, fluid storage tank 5, filter 7, unidirectional quantitative hydraulic pump 8 and vacuum suction device, the filler opening of unidirectional quantitative hydraulic pump 8 is connected with fluid storage tank 5, in this fluid storage tank 5, be provided with level meter 9, the oil outlet of this unidirectional quantitative hydraulic pump 8 is connected with the oil inlet P of three-position four-way valve 4 through filter 7; Between filter 7 and three-position four-way valve 4, be parallel with the relief valve 6 of guaranteeing unidirectional quantitative hydraulic pump 8 security of operation; The first delivery outlet A of three-position four-way valve 4 is connected with the first topping up interface 2 of hydraulic damper 1, and this first topping up interface 2 communicates with the piston ante-chamber of oil hydraulic cylinder in hydraulic damper 1; The second topping up interface 3 of hydraulic damper 1 is connected with the second delivery outlet B of three-position four-way valve 4, and this second topping up interface 3 communicates with the piston back cavity of oil hydraulic cylinder in hydraulic damper 1; The oil outlet T of three-position four-way valve 4 is connected with fluid storage tank 5, can not only will in hydraulic damper 1, in oil hydraulic cylinder, be full of hydraulic oil, and to make piston ante-chamber, the piston back cavity of oil hydraulic cylinder in hydraulic damper 1 be successively oil suction chamber by switching in three-position four-way valve 4 position of guiding valve, promote piston in hydraulic cylinder by the pressure of hydraulic oil and move, and then the residual gas in oil hydraulic cylinder is squeezed out; In order further to reduce gas residual quantity in hydraulic oil, vacuum suction device is connected in parallel on the oil extraction pipeline that connects the second topping up interface 3 and the second delivery outlet B, this vacuum suction device comprises exhaust pipe, observes bottle 11, vacuum pump 12 and two position two-way valve 14, and the oil outlet of two position two-way valve 14 is connected in parallel on the oil extraction pipeline that connects the second topping up interface 3 and the second delivery outlet B; The filler opening of two position two-way valve 14 is connected with one end of exhaust pipe, and the other end of this exhaust pipe extend into be observed under bottle 11 liquid level, can be intuitively according to the observation the escaped quantity of bottle 11 interior bubbles judge the residual quantity of gas in hydraulic oil; The top of observing bottle 11 is connected with vacuum pump 12; In order to guarantee necessary hydraulic oil magnitude of recruitment, on exhaust pipe, be parallel with cushion dashpot 10, this cushion dashpot 10 is sealing; In order to monitor degree of vacuum, the bleeding point place of vacuum pump 12 is provided with vacuum measuring instrument 13; In order to prevent that hydraulic oil from being extracted out by vacuum pump 12, cushion dashpot 10 and the storage liquid bottom surface of observing in bottle 11 all should be higher than the highest liquid levels in hydraulic damper 1.
The working pressure of unidirectional quantitative hydraulic pump 8 is 3MPa left and right, oil hydraulic cylinder internal pressure reaches 40MPa, when topping up, unidirectional quantitative hydraulic pump 8 is extracted the hydraulic oil in fluid storage tank 5 out, switch the position of guiding valve in three-position four-way valve 4, oil inlet P is communicated with the first delivery outlet A, oil outlet T communicates with the second delivery outlet B, now hydraulic oil passes through filter 7 successively, the oil inlet P of three-position four-way valve 4, the first delivery outlet A of three-position four-way valve 4, after the first topping up interface 2, be filled in the piston ante-chamber of oil hydraulic cylinder in hydraulic damper 1, promoting piston in hydraulic cylinder by the pressure of hydraulic oil moves, after the piston of oil hydraulic cylinder, intracavity gas or hydraulic oil are successively through the second topping up interface 3, the second delivery outlet B, after oil outlet T, discharge, switch the position of guiding valve in three-position four-way valve 4, oil inlet P is communicated with the second delivery outlet B, oil outlet T communicates with the first delivery outlet A, now hydraulic oil is filled in the piston back cavity of oil hydraulic cylinder successively after the second delivery outlet B of the oil inlet P of filter 7, three-position four-way valve 4, three-position four-way valve 4, the second topping up interface 3, promote piston in hydraulic cylinder by the pressure of hydraulic oil and move, before the piston of oil hydraulic cylinder, intracavity gas or hydraulic oil are discharged after the first topping up interface 2, the first delivery outlet A, oil outlet T successively, repeatedly switch the position of guiding valve in three-position four-way valve 4 for several times, can not only will in hydraulic damper 1, in oil hydraulic cylinder, be full of hydraulic oil, and the residual gas in oil hydraulic cylinder can be squeezed out, while vacuumizing, guiding valve in three-position four-way valve 4 is placed on to meta, the first delivery outlet A is communicated with the second delivery outlet B, be that the piston back cavity of oil hydraulic cylinder and the piston ante-chamber of oil hydraulic cylinder are connected, vacuum pump 12 continuous operations are taken out residual gas in hydraulic oil in oil hydraulic cylinder to the greatest extent by two position two-way valve 14, and judge the residual quantity of gas in hydraulic oil by observing the escaped quantity of bottle 11 interior bubbles, simultaneous buffering cylinder 10 can provide necessary hydraulic oil magnitude of recruitment, when the vacuum measuring instrument 13 at the bleeding point place that is arranged on vacuum pump 12 shows that degree of vacuum is not less than 500 millibars, and within continuous 5 minutes, do not observe gas effusion in observation bottle 11 time, complete the work of vacuumizing.
The charging device of a kind of large hydraulic damper of the present utility model, can realize and in hydraulic damper 1, in oil hydraulic cylinder, be full of hydraulic oil and make in hydraulic oil gas content as far as possible low, guarantee that hydraulic damper 1 is in the requirement of resisting rigidity and little side-play amount when impacting and resisting vibration.
Below schematically the utility model and mode of execution thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of mode of execution of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (6)
1. the charging device of a large hydraulic damper, comprise hydraulic damper (1), three-position four-way valve (4), fluid storage tank (5), filter (7), unidirectional quantitative hydraulic pump (8) and vacuum suction device, it is characterized in that: the filler opening of described unidirectional quantitative hydraulic pump (8) is connected with fluid storage tank (5), the oil outlet of this unidirectional quantitative hydraulic pump (8) is connected with the oil inlet P of three-position four-way valve (4) through filter (7); Between described filter (7) and three-position four-way valve (4), be parallel with the relief valve (6) of guaranteeing unidirectional quantitative hydraulic pump (8) security of operation; The first delivery outlet A of described three-position four-way valve (4) is connected with the first topping up interface (2) of hydraulic damper (1), and this first topping up interface (2) communicates with the piston ante-chamber of oil hydraulic cylinder in hydraulic damper (1); The second topping up interface (3) of described hydraulic damper (1) is connected with the second delivery outlet B of three-position four-way valve (4), and this second topping up interface (3) communicates with the piston back cavity of oil hydraulic cylinder in hydraulic damper (1); The oil outlet T of described three-position four-way valve (4) is connected with fluid storage tank (5); Described vacuum suction device is connected in parallel on the oil extraction pipeline that connects the second topping up interface (3) and the second delivery outlet B.
2. the charging device of a kind of large hydraulic damper according to claim 1, it is characterized in that: described vacuum suction device comprises exhaust pipe, observes bottle (11), vacuum pump (12) and two position two-way valve (14), and the oil outlet of described two position two-way valve (14) is connected in parallel on the oil extraction pipeline that connects the second topping up interface (3) and the second delivery outlet B; The filler opening of described two position two-way valve (14) is connected with one end of exhaust pipe, and the other end of this exhaust pipe extend under the liquid level of observing bottle (11); The top of described observation bottle (11) is connected with vacuum pump (12).
3. the charging device of a kind of large hydraulic damper according to claim 2, is characterized in that: on described exhaust pipe, be parallel with cushion dashpot (10).
4. the charging device of a kind of large hydraulic damper according to claim 3, is characterized in that: the bleeding point place of described vacuum pump (12) is provided with vacuum measuring instrument (13).
5. the charging device of a kind of large hydraulic damper according to claim 4, is characterized in that: in described fluid storage tank (5), be provided with level meter (9).
6. the charging device of a kind of large hydraulic damper according to claim 5, is characterized in that: described cushion dashpot (10) and the storage liquid bottom surface of observing in bottle (11) all should be higher than the highest liquid levels in hydraulic damper (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033627.2U CN203730644U (en) | 2014-01-20 | 2014-01-20 | Liquid filling device of large hydraulic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033627.2U CN203730644U (en) | 2014-01-20 | 2014-01-20 | Liquid filling device of large hydraulic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730644U true CN203730644U (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033627.2U Expired - Fee Related CN203730644U (en) | 2014-01-20 | 2014-01-20 | Liquid filling device of large hydraulic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730644U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129711A (en) * | 2015-08-24 | 2015-12-09 | 大连世有电力科技有限公司 | Liquid filling device used for transformer temperature controller |
| 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 |
| 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 |
| CN105650190A (en) * | 2016-03-04 | 2016-06-08 | 国机集团北京飞行强度研究所有限公司 | Undercarriage buffer support column inner cavity oil filling 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 |
| CN106382324A (en) * | 2016-11-02 | 2017-02-08 | 河海大学常州校区 | Dynamic assisting oil filling device and oil filling method for hydraulic damper |
| CN106438589A (en) * | 2016-12-06 | 2017-02-22 | 中国船舶重工集团公司第七0研究所 | Gas exhaust device used for closed type hydraulic system |
| DE102018118911A1 (en) * | 2018-08-03 | 2020-02-06 | Thyssenkrupp Ag | Vibration damper, vehicle, use of a shut-off valve and filling method |
-
2014
- 2014-01-20 CN CN201420033627.2U patent/CN203730644U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| CN105129711A (en) * | 2015-08-24 | 2015-12-09 | 大连世有电力科技有限公司 | Liquid filling device used for transformer temperature controller |
| CN105129711B (en) * | 2015-08-24 | 2017-06-16 | 大连世有电力科技有限公司 | For the charging device of transformer temperature controller |
| CN105650190B (en) * | 2016-03-04 | 2017-11-17 | 国机集团北京飞机强度研究所有限公司 | Undercarriage damper leg inner chamber oil filling method |
| CN105650190A (en) * | 2016-03-04 | 2016-06-08 | 国机集团北京飞行强度研究所有限公司 | Undercarriage buffer support column inner cavity oil filling 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 |
| CN106382324A (en) * | 2016-11-02 | 2017-02-08 | 河海大学常州校区 | Dynamic assisting oil filling device and oil filling method for hydraulic damper |
| CN106438589A (en) * | 2016-12-06 | 2017-02-22 | 中国船舶重工集团公司第七0研究所 | Gas exhaust device used for closed type hydraulic system |
| CN106438589B (en) * | 2016-12-06 | 2019-03-08 | 中国船舶重工集团公司第七一0研究所 | A kind of exhaust apparatus for closed type hydraulic system |
| DE102018118911A1 (en) * | 2018-08-03 | 2020-02-06 | Thyssenkrupp Ag | Vibration damper, vehicle, use of a shut-off valve and filling method |
| CN110792720A (en) * | 2018-08-03 | 2020-02-14 | 蒂森克虏伯比尔斯坦有限公司 | Damper, vehicle, use of a shut-off valve and method for filling |
| US11098783B2 (en) | 2018-08-03 | 2021-08-24 | Thyssenkrupp Bilstein Gmbh | Vibration dampers, shut-off valves, and methods for filling vibration dampers |
| CN110792720B (en) * | 2018-08-03 | 2022-05-03 | 蒂森克虏伯比尔斯坦有限公司 | Damper, vehicle, use of a shut-off valve and method for filling |
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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: 20140723 Termination date: 20170120 |