CN1206462C - Hydraulic oscillating machine - Google Patents
Hydraulic oscillating machine Download PDFInfo
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- CN1206462C CN1206462C CN 02153533 CN02153533A CN1206462C CN 1206462 C CN1206462 C CN 1206462C CN 02153533 CN02153533 CN 02153533 CN 02153533 A CN02153533 A CN 02153533A CN 1206462 C CN1206462 C CN 1206462C
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- valve
- way
- asymmetric servo
- hydraulicchange
- servo cylinder
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Abstract
The present invention discloses a full-hydraulic oscillating machine which comprises a hydraulic circuit, wherein the hydraulic circuit is composed of a reversing valve, a throttle valve and a hydraulic cylinder. A hydraulically-operated reversing valve controls the motion of the hydraulic cylinder; a one-way throttle valve is connected with a control port of the hydraulically-operated reversing valve; the reversing time of the reversing valve is controlled in a mode of outlet throttle. Two cavities of the hydraulic cylinder are respectively connected with two control ports of the hydraulically-operated reversing valve through the one-way throttle valve; a pressure oil inlet of the hydraulically-operated reversing valve is connected with an oil source in parallel. As long as a hydraulic pump is started to provide pressure oil, the hydraulic cylinder can alternatively move to and fro without stop. The motion speed of the hydraulic cylinder is regulated by a volume-adjustable hydraulic pump of the oil source, and then, the running range of the hydraulic cylinder is regulated by the one-way throttle valve. The full-hydraulic oscillating machine of the present invention adopts the hydraulically-operated reversing valve and utilizes the pressure variation of the two cavities of the hydraulic cylinder to realize the reversing motion of the hydraulic cylinder, and the present invention does not need mechanical or electric reversing mechanisms. Therefore, the present invention has the advantages of reliable work, stable reversing, long service life and low cost and is suitable for occasions of long-term continuous automatic reversing.
Description
Technical field
The present invention relates to a kind of vibrating machine, particularly a kind of fully hydraulic driven realizes the all-hydraulic vibrating machine of continuous linear reciprocating motion.
Background technique
The water filling in oil field (or polymer injection) pump need provide power plant, adopts mechanical transmission to realize more.This crank-bar linkage mechanical transmission exists that jig frequency is fast, vibration is big, component wear is big and running parameter is adjusted problems such as inconvenience.Drive water injection pump with hydraulic transmission and can realize that big stroke, little jig frequency overcome the problem that mechanical transmission exists.
Traditional hydraulics realizes the reciprocating reversing motion of oil hydraulic cylinder, uses solenoid directional control valve (containing electro-hydraulic reversing valve) and motor-driven selector valve usually, has shortcomings such as complex structure, rate of fault height, cost are expensive.
Water injection pump is a kind of work mechanism of continuous straight reciprocating motion.Little for the continuity and the pressure pulsation that guarantee the pump discharge flow, generally take the mode of multi-cylinder alternation.And require oil hydraulic cylinder that one period overlapping operating time is arranged in the process of alternating motion, can conveniently realize with the present invention.
Summary of the invention
The objective of the invention is to adopt new commutation working principle, utilize the variation of oil hydraulic cylinder two cavity pressures to realize the commutation campaign of oil hydraulic cylinder, have reliable operation, commutation steadily, long service life, with low cost.Be applicable to the occasion of long term continuous automatic commutation.
In order to realize above-mentioned purpose, all-hydraulic vibrating machine of the present invention, comprise oil hydraulic circuit, its oil hydraulic circuit is made up of selector valve, throttle valve and oil hydraulic cylinder, the motion of first pair of rod oil hydraulic cylinder of first four-way hydraulicchange-over valve control, the motion of second pair of rod oil hydraulic cylinder of second four-way hydraulicchange-over valve control.The two ends control mouth of the first four-way hydraulicchange-over valve connects first one-way throttle valve and second one-way throttle valve respectively, and the other end of first one-way throttle valve and second one-way throttle valve is connected with the cavity two ends of second pair of rod oil hydraulic cylinder; The two ends control mouth of the second four-way hydraulicchange-over valve connects the 3rd one-way throttle valve and the 4th one-way throttle valve respectively, and the other end of the 3rd one-way throttle valve and the 4th one-way throttle valve is connected with the cavity two ends of first pair of rod oil hydraulic cylinder; First pressure oil inlet on the first four-way hydraulicchange-over valve is in parallel with oil sources, and second pressure oil inlet on the second four-way hydraulicchange-over valve is in parallel with oil sources.
Described all-hydraulic vibrating machine is to utilize the variation in pressure in oil hydraulic cylinder two chambeies to realize the continuous automatic reverse campaign of oil hydraulic cylinder.
Described all-hydraulic vibrating machine is the turn around time that the mode of employing outlet throttling is controlled the four-way hydraulicchange-over valve.
Described all-hydraulic vibrating machine can be one group and discharging side by side with two asymmetric servo cylinders.The first four-way hydraulicchange-over valve is controlled the motion of first asymmetric servo cylinder and second asymmetric servo cylinder, and the second four-way hydraulicchange-over valve is controlled the motion of the 3rd asymmetric servo cylinder and the 4th asymmetric servo cylinder; The rod chamber of first asymmetric servo cylinder and second asymmetric servo cylinder is connected to each other, and is connected in working connection by one-way valve and stop valve; The rod chamber of the 3rd asymmetric servo cylinder and the 4th asymmetric servo cylinder is connected to each other, and is connected in working connection by one-way valve and stop valve; The rodless cavity of first asymmetric servo cylinder and second asymmetric servo cylinder links to each other with the control mouth of second hydraulicchange-over valve respectively by one-way throttle valve; The rodless cavity of the 3rd asymmetric servo cylinder and the 4th asymmetric servo cylinder links to each other with the control mouth of first hydraulicchange-over valve respectively by one-way throttle valve; First pressure oil inlet on the first four-way hydraulicchange-over valve is in parallel with oil sources, and second pressure oil inlet on the second four-way hydraulicchange-over valve is in parallel with oil sources; As long as the primer fluid press pump provides pressure oil, oil hydraulic cylinder is just pressed the ceaselessly alternating motion of order of second asymmetric servo cylinder, the 3rd asymmetric servo cylinder, first asymmetric servo cylinder and the 4th asymmetric servo cylinder.
All-hydraulic vibrating machine of the present invention is compared with the conventional hydraulic transmission, has reliable operation, commutation steadily, long service life, advantage such as with low cost is applicable to other devices of long term continuous automatic commutation.
Description of drawings
Fig. 1 is a horizontal all-hydraulic vibrating machine structural representation of the present invention.
Fig. 2 is the vertical all-hydraulic vibrating machine structural representation of another embodiment of the present invention.
In the drawings: 1. 4. second pairs of outlet-rod hydraulic cylinders of 3. first pairs of outlet-rod hydraulic cylinders of the first four-way hydraulicchange-over valve, 2. second four-way hydraulicchange-over valves, 5. first one-way throttle valves, 6. second one-way throttle valves 7. the 3rd one-way throttle valve 8. the 4th one-way throttle valve, 9. first pressure oil entrances, 10. second pressure oil entrances, 11. first asymmetric servo cylinders, 12. second asymmetric servo cylinders 13. the 3rd asymmetric servo cylinder 14. the 4th asymmetric servo cylinder
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
See also shown in Figure 1ly, all-hydraulic vibrating machine of the present invention is made of two two first four-way hydraulicchange-over valves 1 and two second four-way hydraulicchange-over valves 2, the first pair of rod oil hydraulic cylinder 3 and the second pair of rod oil hydraulic cylinder 4 and first one-way throttle valve 5, second one-way throttle valve 6, the 3rd one-way throttle valve 7 and the 4th one-way throttle valve 8.Be to carry out improvedly at oil hydraulic circuit, omitted the oil sources part.
In the present invention, the motion of first pair of rod oil hydraulic cylinder 3 of the first four-way hydraulicchange-over valve, 1 control, the motion of second pair of rod oil hydraulic cylinder 4 of the second four-way hydraulicchange-over valve, 2 controls.The other end that the two ends control mouth of the first four-way hydraulicchange-over valve 1 connects first one-way throttle valve 5 and second one-way throttle valve, 6, the first one-way throttle valves 5 and second one-way throttle valve 6 respectively is connected with the cavity two ends of second pair of rod oil hydraulic cylinder 4; The other end that the two ends control mouth of the second four-way hydraulicchange-over valve 2 connects the 3rd one-way throttle valve 7 and the 4th one-way throttle valve 8, the three one-way throttle valves 7 and the 4th one-way throttle valve 8 respectively is connected with the cavity two ends of first pair of rod oil hydraulic cylinder 3; First pressure oil inlet 9 on the first four-way hydraulicchange-over valve 1 is in parallel with oil sources, and second pressure oil inlet 10 on the second four-way hydraulicchange-over valve 2 is in parallel with oil sources.As long as the primer fluid press pump provides pressure oil, the first pair of rod oil hydraulic cylinder 3 and the second pair of rod oil hydraulic cylinder 4 be alternate reciprocating motion ceaselessly just.The movement velocity of utilizing the volume adjustable hydraulic pump of oil sources to come the regulator solution cylinder pressure is again with first one-way throttle valve 5, second one-way throttle valve 6, the 3rd one-way throttle valve 7 and the 4th one-way throttle valve 8 stroke of regulator solution cylinder pressures respectively.
Fig. 2 is a vertical all-hydraulic vibrating machine structural representation of the present invention.Four oil hydraulic cylinders are first asymmetric servo cylinder 11, second asymmetric servo cylinder 12, the 3rd asymmetric servo cylinder 13 and the 4th asymmetric servo cylinder 14 in this structure, and per two oil hydraulic cylinders are one group and discharging side by side.The motion of the first four-way hydraulicchange-over valve, 1 control first asymmetric servo cylinder 11 and second asymmetric servo cylinder 12, the motion of the second four-way hydraulicchange-over valve, 2 control the 3rd asymmetric servo cylinders 13 and the 4th asymmetric servo cylinder 14.The rod chamber of first asymmetric servo cylinder 11 and second asymmetric servo cylinder 12 is connected to each other, and is connected in working connection by one-way valve and stop valve.The rod chamber of the 3rd asymmetric servo cylinder 13 and the 4th asymmetric servo cylinder 14 is connected to each other, and is connected in working connection by one-way valve and stop valve.Four one-way throttle valves are connected with the control mouth of hydraulicchange-over valve respectively, and the mode of employing outlet throttling is controlled the turn around time of selector valve.The rodless cavity of the 3rd asymmetric servo cylinder 13 and the 4th asymmetric servo cylinder 14 links to each other with the control mouth of second hydraulicchange-over valve 2 respectively with second one-way throttle valve 6 by first one-way throttle valve 5; The rodless cavity of the 3rd asymmetric servo cylinder 13 and the 4th asymmetric servo cylinder 14 links to each other with the control mouth of first hydraulicchange-over valve 1 respectively with the 4th one-way throttle valve 8 by the 3rd one-way throttle valve 7.First pressure oil inlet 9 on the first four-way hydraulicchange-over valve 1 is in parallel with oil sources, and second pressure oil inlet 10 on the second four-way hydraulicchange-over valve 2 is in parallel with oil sources.As long as the primer fluid press pump provides pressure oil, oil hydraulic cylinder is just pressed the ceaselessly alternating motion of order of second asymmetric servo cylinder 12, the 3rd asymmetric servo cylinder 13, first asymmetric servo cylinder 11, the 4th asymmetric servo cylinder 14.By reasonable adjusting one-way throttle valve opening four oil hydraulic cylinders can all not moved at no time, move simultaneously and also have two oil hydraulic cylinders sometimes.The movement velocity of oil hydraulic cylinder is still regulated by the variable displacement pump of oil sources.
All-hydraulic vibrating machine of the present invention adopts hydraulicchange-over valve, utilizes the variation of oil hydraulic cylinder two cavity pressures to realize the commutation campaign of oil hydraulic cylinder, does not need machinery, electric changement.Therefore reliable operation commutates steadily, and long service life is with low cost.Be applicable to the occasion of long term continuous automatic commutation.As be used for replacing the mechanical transmission of oil-field flooding (or polymer injection) pump, and jig frequency is reduced, vibration alleviates, stable working, component wear reduces, and transfers ginseng convenient.
Claims (5)
1, a kind of all-hydraulic vibrating machine, comprise oil hydraulic circuit, it is characterized in that: oil hydraulic circuit is made up of selector valve, throttle valve and oil hydraulic cylinder, the motion of the first four-way hydraulicchange-over valve (1), first pair of rod oil hydraulic cylinder of control (3), the motion of the second four-way hydraulicchange-over valve (2), second pair of rod oil hydraulic cylinder of control (4); The two ends control mouth of the first four-way hydraulicchange-over valve (1) connects first one-way throttle valve (5) and second one-way throttle valve (6) respectively, and the other end of first one-way throttle valve (5) and second one-way throttle valve (6) is connected with the cavity two ends of second pair of rod oil hydraulic cylinder (4); The two ends control mouth of the second four-way hydraulicchange-over valve (2) connects the 3rd one-way throttle valve (7) and the 4th one-way throttle valve (8) respectively, and the other end of the 3rd one-way throttle valve (7) and the 4th one-way throttle valve (8) is connected with the cavity two ends of first pair of rod oil hydraulic cylinder (3); First pressure oil inlet (9) on the first four-way hydraulicchange-over valve (1) is in parallel with oil sources, and second pressure oil inlet (10) on the second four-way hydraulicchange-over valve (2) is in parallel with oil sources.
2, all-hydraulic vibrating machine according to claim 1 is characterized in that: utilize the variation in pressure in oil hydraulic cylinder two chambeies to realize the continuous automatic reverse campaign of oil hydraulic cylinder.
3, all-hydraulic vibrating machine according to claim 1 is characterized in that: the mode of employing outlet throttling is controlled the turn around time of four-way hydraulicchange-over valve.
4, all-hydraulic vibrating machine according to claim 1 is characterized in that: also two asymmetric servo cylinders can be one group and discharge side by side.
5, according to claim 1,4 described all-hydraulic vibrating machines, it is characterized in that: the motion of the first four-way hydraulicchange-over valve (1) control first asymmetric servo cylinder (11) and second asymmetric servo cylinder (12), the motion of the second four-way hydraulicchange-over valve (2) control the 3rd asymmetric servo cylinder (13) and the 4th asymmetric servo cylinder (14); The rod chamber of first asymmetric servo cylinder (11) and second asymmetric servo cylinder (12) is connected to each other, and is connected in working connection by one-way valve and stop valve; The rod chamber of the 3rd asymmetric servo cylinder (13) and the 4th asymmetric servo cylinder (14) is connected to each other, and is connected in working connection by one-way valve and stop valve; The rodless cavity of first asymmetric servo cylinder (11) and second asymmetric servo cylinder (12) links to each other with the control mouth of second hydraulicchange-over valve (2) respectively by one-way throttle valve; The rodless cavity of the 3rd asymmetric servo cylinder (13) and the 4th asymmetric servo cylinder (14) links to each other with the control mouth of first hydraulicchange-over valve (1) respectively by one-way throttle valve; First pressure oil inlet (9) on the first four-way hydraulicchange-over valve (1) is in parallel with oil sources, and second pressure oil inlet (10) on the second four-way hydraulicchange-over valve (2) is in parallel with oil sources; As long as the primer fluid press pump provides pressure oil, oil hydraulic cylinder is just pressed the ceaselessly alternating motion of order of second asymmetric servo cylinder (12), the 3rd asymmetric servo cylinder (13), first asymmetric servo cylinder (11) and the 4th asymmetric servo cylinder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153533 CN1206462C (en) | 2002-12-04 | 2002-12-04 | Hydraulic oscillating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153533 CN1206462C (en) | 2002-12-04 | 2002-12-04 | Hydraulic oscillating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1417487A CN1417487A (en) | 2003-05-14 |
| CN1206462C true CN1206462C (en) | 2005-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02153533 Expired - Fee Related CN1206462C (en) | 2002-12-04 | 2002-12-04 | Hydraulic oscillating machine |
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| CN (1) | CN1206462C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6138945B2 (en) | 2012-09-25 | 2017-05-31 | 威 孫 | Reciprocating low speed heavy load hydraulic pump with variable working area |
| CN105805069B (en) * | 2014-12-30 | 2017-09-29 | 中核武汉核电运行技术股份有限公司 | Hydraulic pressure automatic reversing apparatus |
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2002
- 2002-12-04 CN CN 02153533 patent/CN1206462C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1417487A (en) | 2003-05-14 |
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