CN85108802A - Alternate hydraulic pulse valve with multiphase and multipath - Google Patents
Alternate hydraulic pulse valve with multiphase and multipath Download PDFInfo
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- CN85108802A CN85108802A CN 85108802 CN85108802A CN85108802A CN 85108802 A CN85108802 A CN 85108802A CN 85108802 CN85108802 CN 85108802 CN 85108802 A CN85108802 A CN 85108802A CN 85108802 A CN85108802 A CN 85108802A
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Abstract
Alternate hydraulic pulse valve with multiphase and multipath.It can form the high-frequency and high-voltage high efficiency AC hydraulic stable operation system of exerting oneself greatly.Power is transferred in frequency-adjustable amplitude modulation.The one or more dimensions work done of exerting oneself.The efficient of its sentinel valve reaches 80%.Can be used for powerful automatic control, vibration, fragmentation, destroy, open ice, compacting, screening, transportation, cleaning, rock drilling, probing, piling, push pipe, blank, oil expression, various vibrating tables etc.
Description
AC hydraulic is the frontier of hydraulics.Alternate hydraulic pulse valve with multiphase and multipath is the initiative in the frontier.
The inventor has retrieved a large amount of domestic and foreign literatures and Patent data since nineteen sixty-eight, and purpose is to understand AC hydraulic and hydraulic vibration (vibrating in addition and vibration) (HYdraulical Alternating Current and Vibration(and Tamping Or Oscillation)) technology development situation.Searching periodical class document at first, main hydraulic pressure and pneumatic (Hydraulics and Pneumatics), Machine Design (ASAM), hydropneumatic power can (Hydraulic Pneumatic Mechanical Power), and AD, PD report or the like.Retrieval relates to De Rifa again by the Great Britain and America earlier.Only there is comprehensive translation report (" lathe and the hydraulic pressure " 1974.1 of some three phase current hydraulic principles and application in China at the seventies; 75.6.; 76.6.; 77.7.; 78.3.), the ASAM that has drawn from is many, in " Hydraulic Power Transmission System " university textbook chapter 10 of the chief editor of Shenyang Mechano-Electrical College in 1981, just slightly introduce, and point out: though some three phase current hydraulic pressure typical elements are arranged, " also have many problems to need to solve; theoretical not perfect, design entirely by rule of thumb with experiment, from extensive use one segment distance is arranged still ".Japan A.Hibi and W.M.J.Schlosser two teach the laboratory report of delivering three phase current hydraulic pressure typical element in 1979 and 1980 on the phases such as " Power " Vol.25, Schlosser visiting professor's note: " the AC hydraulic transmission just becomes the center that people note at regular intervals; ... though what purposes is arranged actually; still can't provide clear and definite answer; should not forget following historical facts: when the AEG company of Berlin in 1889 invites Edison to visit the alternator that they had just succeeded in developing at that time; he refuses to invite, and says that alternator does not worth at a glance " for this kind transmission device.The typical element of three phase current hydraulic pressure, with the remarkable reduction of raising the efficiency of frequency, heating has a strong impact on life-span and use with noise, and it only uses under given conditions with in the time limit.So have what purposes still not have clear and definite answer, one segment distance still arranged actually from extensive use.
Next is gophers such as WPA of utilizing Derwent (Derwant) company, retrieves relevant patent documentation.Retrieve by above-mentioned four subject classifications earlier, and constantly enlarge relevant classification number, do once deep retrieval every half a year,, do not have alternate hydraulic pulse valve with multiphase and multipath in the result for retrieval various countries patent in the hope of reaching comprehensive.
In various countries' patent documentation, the vibrator of the displacement self feed back structure of direct current hydraulic pressure (also have speed and acceleration self feed back structure), it is many to be used for the rock drilling person of vibrating, and it can not frequency modulation, and efficient is less than 38.5%, heating and noise effect life-span and use.Next is the self oscillations structural vibrations device in the direct current hydraulic pressure, and it comes frequency modulation by pressure regulation, be a time-dependent system, or is useful on rock drilling and vibrating sieve.Be electrohydraulic control once more, from the fifties development, complete to the seventies, the development in 15 years of U.S. Moog company obtains international monopoly, and power, precision height are transferred in its frequency-adjustable amplitude modulation.Be widely used in Aero-Space navigation weapon and more powerful automatic control and low-frequency vibration table aspect; Because the efficient of its control valve and power valve is lower than 38.5%, is difficult to do outdoor work machinery.Application is restricted, more than all do not belong to AC hydraulic.
Moreover according to document and patent, the report and the catalogue of relevant manufacturer have been retrieved again, for example the aigret palace company of the Atlas company of the Matisa company of the Moog company of the U.S., Partic company, Switzerland, Austrian Plasser company, Sweden, Japan and Furukawa company or the like.Understand their technical feature and state of development, do not have multiphase and multipath AC hydraulic product.
The present invention can FMAM transfers the work done of exerting oneself of power, one or more dimensions, the efficient of alternate hydraulic pulse valve reaches 80%, can do powerful automatic control, also can do to vibrate, make firm by ramming, destroy, broken, open ice, compacting, screening, transportation, cleaning, rock drilling, probing, piling, push pipe, blank, oil expression, various vibrating tables etc.Make open-air machinery realize the optimization operation, reach the efficient energy-saving security purpose, promote develop energy and traffic mining industry.
Three phase current hydraulic pressure or direct current hydraulic vibration and electro-hydraulic servo etc., during output hydraulic pressure alternation power, pressure fluid needs oppositely, and speed V becomes zero by V suddenly, becomes V by zero again after oppositely, and this is speed transients, so moves in circles.The energy loss E of a transition is:
E＝ 1/2 MV
2＝ 1/2 ρLAV
2
In the formula: M ... the quality of pressure fluid
ρ ... the density of mass of pressure fluid
L ... catheter length
A ... the conduit tangent plane is long-pending
By following formula as can be known, heal macro-energy loss of flow is also bigger, and speed energization loss slightly increases severely, and the frequency high energy loss that heals is bigger, and the energy of loss changes heat energy into, responsive to load, lowers efficiency influence use and life-span.
The present invention is all-hydraulic alternate hydraulic pulse valve (hereinafter to be referred as a sentinel valve), have multi-level too many levels the phase ring structure, each mutually each road make up mutually, mate, superpose, the oil channel structures of complementation, subdued the energy loss of speed transients, so the efficient of sentinel valve reaches 80%, alternating flow hydraulic pressure energy FMAM is transferred the work done of exerting oneself of power, one or more dimensions.Fig. 1 is its schematic diagram.1,2 is variable displacement pump.3 is the oil circuit on the valve body.4 is the ring mutually on the valve body.5 is oil motor, and 6 is oil cylinder, and 5,6 are the multidimensional work done of exerting oneself.The 7th, be decomposed into single-acting cylinder etc.The 8th, its coupling combination stack is become a powerful cylinder (or other actuators).
When direct current hydraulic vibration and electric current servovalve speed transients, the length of L generally begins to oil pump from its four-side, has several meters long approximately.And L structure length of the present invention is in several centimetres, and transition is given birth in certain certain environment-development of layer simultaneously, mates his his ring of layer transition does not take place, and compensated.Subdued like this transition energy loss, water hammer, utter long and high-pitched sounds, high-frequency self-excitation vibration or the like.
Fig. 2 is a working drawing.9,10 are flow control figure.11 is sentinel valve.12 is driving mechanism, the oil motor of driving pulse valve core rotation.13,14 are the alternate current operation chamber.
Frequency modulation system independently carries out.By variable displacement pump 2 and flow control valve 10 set up enter oil motor 12 flows after oil motor 12 with the rotation of ω (c/s) frequency, sentinel valve 11 promptly produces the AC hydraulic that frequency is n ω (c/s), drives actuator 8 with frequency n ω (c/s) work done of exerting oneself.N is an even number.
After setting up a certain frequency, actuator promptly with this frequency starting work done, avoids taking place by resonance.This is distinctive advantage.
Amplitude modulation also is independently to carry out.By variable displacement pump 1 and flow control valve 9 set up enter the flow of sentinel valve after, actuator 8 is frequency n ω (c/s) and the amplitude work done accordingly to set up just.The size of amplitude is directly proportional with flow.And can scan.
FMAM has promptly changed the work done state, transfers power exactly.The pressure of while regulating system is can regulate power also.
Sentinel valve 11 of the present invention as shown in Figure 3.12 is no square spool 18 rotations of its driving of oil motor.21,22 is the oil inlet and outlet that oil motor 12 is communicated with variable displacement pump 2.15 is valve body.3 are each oil channel structures that encircles mutually.17 for being communicated with variable displacement pump 1, the oil inlet and outlet of valve body 15.13,14 for leading to the alternate current operation chamber of actuator 8, and 16 is miniature accumulator.19 is the oil circuit of ring mutually of spool.20 is the instrument chamber.23 is the flow error controlling mechanism.
The closed loop displacement control system as shown in Figure 4.11 is sentinel valve.12 is oil motor.23 is the flow error controlling mechanism of sentinel valve, the flow of adjusting input actuator, actuator drives load, load byte is diverted from one use to another and is converted to electrical signal after Detecting element 26 is measured, feeding back to comparing element 25 compares with given signal, difference signal after amplifying, amplifier 24 is defeated by flow control device 23, the control input flow rate is till difference signal is zero or minimum.
Implementation method of the present invention: in 1968 inventor begins the sparetime and retrieves at one's own expense, and the sparetime in 1974 was designed tentative programme.Design model machine for the first time in June, 1980 voluntarily, made the first type experimental prototype October at one's own expense and obtained parameter.Design the second type experimental prototype and the 3rd type model machine in May, 1981 voluntarily and improve design.
(1981) No. 006 combined papers of 8, Hebei province Ji section meter word in one nine eight one on August are classified province's " trial production of new products " project as with " alternate hydraulic pulse valve with multiphase and multipath ".On September 14th, 1 was appraised evaluation through discussion by the stage achievement, classified the brainstorm project that Hebei province's six or five plans are applied September 23 " multiphase and multipath AC hydraulic device " as, and project number is: 8402120.
Intend further being generalized to crushing and screening oil shale, in order to generating, slag making cement (high grade) etc., the abundant cheap resource of comprehensive utilization is come develop energy; Also work done in the manner of a certain author metallic ore feeding machine is energy-conservation with the promotion mining industry.
Claims (6)
1, the present invention is an alternate hydraulic pulse valve with multiphase and multipath 11, form the AC hydraulic work system with it, make control automatically, work mechanism, vibrating table etc., this valve has a valve body 15, the no square spool 18 of a rotation is arranged in the center portion of valve body 15, it is characterized in that:
What multi-level too many levels was arranged on a, the described valve body 15 encircles 4 and mutually combination, coupling, stack, complementary oil circuit 3 mutually.
The oil circuit 19 that encircles mutually of b, described no square spool 18 is to mate mutually with valve body 15.
2, valve 11 according to claim 1, but 4 single or multiple lifts that encircle mutually that it is characterized in that valve body 15 are formed the exert oneself actuator 8 of work done of one dimension, or the exert oneself actuator 5 and 6 of work done of multidimensional, single-acting actuator 7 can be resolved in double-acting actuator, encircles oil circuit 3 mutual superposition and complementation on 4 mutually.
3, according to claim 1,2 described valves 11, it is characterized in that all power moment that each each road of phase acts on the spool 18 is zero, when spool 18 rotated with frequencies omega (c/s), the AC hydraulic frequency that active chamber 13,14 produces was n ω (c/s), n is an even number.
4, according to claim 1,2,3 described valves 11, it is characterized in that the living speed transients of certain certain environment-development of layer, speed transients does not take place in its ring of its layer.
5,, but it is characterized in that 23 closed loop controls of flow error controlling mechanism according to claim 1,2,3,4 described valves 11, also can be manual.
6, according to claim 1,2,3 described valves 11, the rotating speed that it is characterized in that regulating spool 18 is the frequency of can regulate AC hydraulic, and regulating the flow that enters valve body 15 is the amplitude of can regulate AC hydraulic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85108802 CN85108802A (en) | 1985-12-03 | 1985-12-03 | Alternate hydraulic pulse valve with multiphase and multipath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85108802 CN85108802A (en) | 1985-12-03 | 1985-12-03 | Alternate hydraulic pulse valve with multiphase and multipath |
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| Publication Number | Publication Date |
|---|---|
| CN85108802A true CN85108802A (en) | 1987-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85108802 Pending CN85108802A (en) | 1985-12-03 | 1985-12-03 | Alternate hydraulic pulse valve with multiphase and multipath |
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| CN (1) | CN85108802A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640823A (en) * | 2017-02-24 | 2017-05-10 | 太原理工大学 | Spring type hydraulic pulse valve and use method thereof |
| CN106704284A (en) * | 2017-02-24 | 2017-05-24 | 太原理工大学 | Energy accumulator type hydraulic pulse valve and using method thereof |
| CN106704285A (en) * | 2017-02-24 | 2017-05-24 | 太原理工大学 | Hydraulically-pressed hydraulic pulse valve and using method thereof |
| CN106762915A (en) * | 2017-02-24 | 2017-05-31 | 太原理工大学 | A kind of cavity type hydraulic impulse valve and its application method |
-
1985
- 1985-12-03 CN CN 85108802 patent/CN85108802A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640823A (en) * | 2017-02-24 | 2017-05-10 | 太原理工大学 | Spring type hydraulic pulse valve and use method thereof |
| CN106704284A (en) * | 2017-02-24 | 2017-05-24 | 太原理工大学 | Energy accumulator type hydraulic pulse valve and using method thereof |
| CN106704285A (en) * | 2017-02-24 | 2017-05-24 | 太原理工大学 | Hydraulically-pressed hydraulic pulse valve and using method thereof |
| CN106762915A (en) * | 2017-02-24 | 2017-05-31 | 太原理工大学 | A kind of cavity type hydraulic impulse valve and its application method |
| CN106762915B (en) * | 2017-02-24 | 2018-03-09 | 太原理工大学 | A kind of cavity type hydraulic impulse valve and its application method |
| CN106704284B (en) * | 2017-02-24 | 2018-03-09 | 太原理工大学 | A kind of energy storage type hydraulic impulse valve and its application method |
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