CN1006162B - Hydraulic impulse generator - Google Patents
Hydraulic impulse generator Download PDFInfo
- Publication number
- CN1006162B CN1006162B CN86106787.8A CN86106787A CN1006162B CN 1006162 B CN1006162 B CN 1006162B CN 86106787 A CN86106787 A CN 86106787A CN 1006162 B CN1006162 B CN 1006162B
- Authority
- CN
- China
- Prior art keywords
- chamber
- pressure
- sluicing
- hollow piston
- oscillator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention relates to a hydraulic impulse generator which comprises a hydropneumatic accumulator 1 communicated with a water supply pipe 2 and an oscillator 4, wherein the oscillator is provided with a shell 5 with a built-in hollow piston 8.8 divides the inner cavity of 5 into a water discharging opening chamber 13 and a water discharging closing chamber 14. the shell is also provided with a low pressure chamber 12 with a water discharging nozzle and a high pressure chamber 11 communicated with a working nozzle 25. the generator is also provided with a device 26 which is used for controlling the movement of 8 and switching on 11 and 13; 26 also comprises a control valve 19.14 is isolated from the inner cavity of 8, is communicated with 2 and is also communicated with the atmosphere through the control valve 19 of 26.
Description
The present invention is a kind of pulsing jet hydraulic mining equipment, specifically, is Hydrautic pulse generator.
The present invention can be used for mining industry and with the hydraulic technique art of each rocks of high voltage pulse jet crushing, and also can be used for cleaning in the power industry various interchange of heat or the steam generation surface and the member of heat power station boiler unit.
No. 594322 Patent publish of the Soviet Union a kind of Hydrautic pulse generator, it comprises that one is installed on the water supply line, and the hydro pneumatic accumulator that links to each other with an oscillator by pipeline, oscillator by an inside housing of hollow piston is housed and the device of a control hollow piston motion is formed, hollow piston is separated into sluicing open chamber, sluicing close chamber, hyperbaric chamber and low-pressure chamber with housing, control device is a gas hood shape, a barrier film is arranged, barrier film is being supported by a net, and device is divided into two chambeies.One of them chamber is full of Compressed Gas, and hyperbaric chamber and sluicing open chamber are connected in another chamber, also makes the hyperbaric chamber pass through a control valve and atmosphere connection, and sluicing close chamber links to each other by warp-wise through hole on the piston and hollow piston inside.All members of this gas hood are all annular, surround the cylindrical housings of oscillator.Low-pressure chamber links to each other with the sluicing nozzle, and the hyperbaric chamber links to each other with the pipeline of hydro pneumatic accumulator with connection oscillator with the work nozzle.
The operating principle of this Hydrautic pulse generator is as follows: make that ducted working flow quickens by the sluicing nozzle between hydro pneumatic accumulator and oscillator, then the current of interruption of work nozzle upstream.
But, have been found that the ability of jet crushing rock of this device is not high enough, reason is that to form the high-voltage pulse wavefront slower, makes on the work plane that jet faces load application sharp, and load is increased lentamente.This is because the cause that sluicing close chamber and the inner chamber of hollow piston link to each other with the connecting pipe inner chamber.Pressure in the sluicing close chamber produces in discontinuous mode when low-pressure wave arrives.Its value is significantly less than pressure of supply water, and result, the pressure differential at piston two ends equal poor between the pressure that atmospheric pressure and this be lower than pressure of supply water.When piston has been closed the current that lead to the sluicing nozzle, and when making current direction work nozzle, this pressure reduction makes hollow piston move with lower speed base direction in low-pressure chamber.Therefore, the wavefront of pressure pulse forms slowly, and the result has reduced the effect of hydraulic crushing rock.
No. 73576 patent of the Soviet Union also discloses a kind of Hydrautic pulse generator, and it has a hydro pneumatic accumulator that is installed on the water supply line, and this accumulator links to each other with oscillator by connecting pipe.Oscillator comprises that an inside is equipped with the device of the control hollow piston motion of the housing of hollow piston and a gas hood shape.Hollow piston is divided into sluicing open chamber, sluicing close chamber, hyperbaric chamber and low-pressure chamber with the housing inner chamber.One connecting rod is arranged between control device and the hyperbaric chamber.Gas hood is divided into two chambeies by a barrier film, and one of them chamber is full of Compressed Gas, and another chamber is used for being communicated with hyperbaric chamber and sluicing open chamber by becoming the resistance choke valve, and is communicated with hyperbaric chamber and atmosphere by control valve.
The operating principle of this Hydrautic pulse generator is also with last a kind of the same, makes ducted current between hydro pneumatic accumulator and the oscillator quicken sluicing nozzle by oscillator, the current of interruption of work nozzle upstream then.
Therefore, this device can not be avoided the shortcoming of above-mentioned the sort of Hydrautic pulse generator.
The object of the present invention is to provide a kind of Hydrautic pulse generator,, make the hydraulic impulse of its fractured rock form precipitous wavefront, thereby have enough crushing efficiencies by improving the structure of oscillator in this Hydrautic pulse generator.
Hydrautic pulse generator by the present invention's design can achieve the above object, it comprises a hydro pneumatic accumulator and the device that control piston moves, it is communicated with water supply line and links to each other with an oscillator by a pipeline, oscillator has the housing that hollow piston is equipped with in an inside, hollow piston is divided into a sluicing open chamber with the inner chamber of housing, a sluicing close chamber chamber, low-pressure chamber and a hyperbaric chamber that is communicated with the work nozzle of having the sluicing nozzle, device by the control piston motion is communicated with hyperbaric chamber and sluicing open chamber, and this device also comprises a control valve.According to the present invention, in Hydrautic pulse generator, sluicing close chamber and hollow piston inner chamber separate, but link to each other with water supply line, and also the control valve of the device by control hollow piston motion communicates with atmosphere.
Therefore, owing to sluicing close chamber links to each other with water supply line, and communicate with atmosphere by control valve, Hydrautic pulse generator of the present invention can promptly obtain the pressure reduction that changes rapidly at the piston two ends between sluicing open chamber and sluicing close chamber.
Feature with the Hydrautic pulse generator of self oscillating regime work is: it has the pressure oscillation in two stages.In the low pressure oscillation phase, the pressure of system is lower than pressure of supply water, and the pressure reduction between sluicing open chamber and the sluicing close chamber equals the poor of pressure of supply water and atmospheric pressure.This just guaranteed hollow piston the low pressure oscillation phase from the hyperbaric chamber the base there promptly move to base position contacting with water supply line and low-pressure chamber one side, thereby form the precipitous wavefront of pressure pulse, thereby increased the impact force of high-pressure spray obstruction.In the high-voltage oscillation stage, the pressure in the system surpasses the pressure of supply water value, and the pressure reduction between sluicing open chamber and the sluicing close chamber equals this poor greater than between the high pressure of pressure of supply water value and pressure of supply water.This just closes several cycles or with near the pressure of pressure of supply water value water spray the time, has prevented that hollow piston from contacting lentamente with the base of connecting pipe and low-pressure chamber one side, and avoided doing unnecessary invalid fluctuation along connecting pipe at the work nozzle.Improve the reliability of control system performance in this way, equally also improved the performance of Hydrautic pulse generator and the gross efficiency of high-voltage pulse jet crushing rock.
To get in touch embodiment below and the invention will be further described with reference to accompanying drawing.
Accompanying drawing is the sectional drawing by the Hydrautic pulse generator of the present invention's design.
Hydrautic pulse generator comprises that is installed in a hydro pneumatic accumulator 1 that also links to each other with oscillator 4 by connecting pipe 3 on the water supply line 2.Oscillator 4 has a housing 5, and a reciprocating hollow piston 8 is arranged in the guide pin bushing 6 and 7 in the housing 5, and it comprises a hollow piston bar 9, several sealing rings 10 that are enclosed within on the piston rod 9, and piston 8.Hollow piston 8 and guide pin bushing 6 and 7 and housing 5 be separated out hyperbaric chamber 11 jointly, low-pressure chamber 12, sluicing open chamber chamber 13 and sluicing close chamber 14, latter two chamber is exactly the balancing gate pit that produces following effects therein, they alternately promote hollow piston 8, open and close the inlet of water from connecting pipe 3 to sluicing nozzle 15.Sluicing close chamber 14 links to each other with water supply line 2 by through hole 16 on the housing 5 of oscillator 4 and conduit 17, and it is directly communicated with atmosphere by the through hole on the housing 5 18 and a gauge tap valve 19.Therefore, when Hydrautic pulse generator as herein described was worked, in any moment that control valve 19 is closed, the pressure in the sluicing close chamber 14 all equaled the pressure in the water supply line.So, the atmospheric pressure that the pressure in the sluicing close chamber 14 can the pressure of supply water value when control valve 19 is closed becomes control valve 19 when opening.The chamber 24, seat back that hyperbaric chamber 11 is divided into a cup 23 and is directly communicated with work nozzle 25 by dividing plate 20 has outlet 22 to make its break-through on the dividing plate, and on the end face of the hollow stem 9 of close hollow piston 8 base 21 is arranged.In addition, sluicing open chamber 13 is the through hole 27 and 28 on the housing 5 of oscillator 4 respectively, and the device 26 that moves by control hollow piston 8 is communicated with a seat cup 23.Become atmospheric pressure from a value more much higher in present cup 23 of pressure and the chamber 24, seat back in the work, and in low-pressure chamber 12, become atmospheric pressure from a pressure more much lower than the pressure of supply water value than pressure of supply water.The housing 5 of oscillator 4 has a base 29 in connecting pipe 3 and low-pressure chamber 12 those sides, and it engages with the approach end of the hollow stem 9 of hollow piston 8 by valve body member 30.The device 26 of control hollow piston 8 motions is connected with switching control pilot 19.
The Hydrautic pulse generator working condition is as follows:
When control valve 19 is opened, press water from water supply line 2 flows through hydro pneumatic accumulator 1 and connecting pipe 3, enters oscillator 4, simultaneously, sluicing close chamber 14 is filled with by pipe 17 by the press water from water supply line 2, and via through holes 18 communicates with atmosphere with the control valve of opening 19.Sluicing open chamber 13 is passed through through hole 27 by the water from seat cup 23, and the device 26 and the through hole 28 of control hollow piston 8 are filled with.When 13 water fillings of sluicing open chamber, hollow piston 8 moves to the position that joins with base 21 from previous position, and closes work nozzle 25.Water flows through the valve body member 30 that hollow piston 8(is bar 9 ends of hollow piston 8) and base 29 between the slit, through the space of sluicing nozzle 15 around being discharged to.Because the work area of valve body member 30 is bigger than the work area of the opposing end surface that at this moment hollow stem 9 closes, and the pressure in hollow piston 8 inner chambers is the same everywhere, so the pressure reduction that produces can keep the hollow stem 9 of piston 8 to contact with base 21.
Make Hydrautic pulse generator enter self oscillating regime by closed control valve 19.At this moment, the pressure in the sluicing close chamber 14 rises to the pressure of supply water value, and the pressure in the sluicing open chamber 13 equals atmospheric pressure.Because chamber 13 and 14 differential pressure action be in the result of hollow piston 8, piston moves to the position that joins with base 29 from the position that joins with base 21.So just opened the passage of water from water supply line 3 to work nozzle 25, and closed the path of water to sluicing nozzle 15, the result, the outlet 22 that water flows through on slit, seat cup 23 and the dividing plate 20 that at this moment forms between the bar 9 of through hole on the base 29, hollow piston 8, hollow piston 8 and the base 21 from connecting pipe 3 enters a back chamber 24, thus by work nozzle 25 direct directives will fragmentation object.Because the cross section of work nozzle 25 is significantly smaller than sluicing nozzle 15, so flow resistance raises, this has just produced hydraulic shock, increases pressure simultaneously in Hydrautic pulse generator.At this moment, the low pressure oscillation phase finishes, and the high-voltage oscillation stage begins.A high pressure wave (being much higher than the pressure of supply water value) passes to hydro pneumatic accumulator 1 through connecting pipe 3, and passes to sluicing open chamber 13 through the device 26 of control hollow piston 8 motions.This high pressure penetrates current by work nozzle 25.Like this, in the whole high-voltage oscillation stage, in hyperbaric chamber 11, in promptly present cup 23, the chamber 24, seat back and the upstream of work nozzle 25 is keeping high pressure always.Pressure in the open chamber that sluices simultaneously 13 becomes high pressure from atmospheric pressure, and the pressure in the sluicing close chamber 14 equals the pressure of supply water value, and the pressure in the low-pressure chamber 12 equals atmospheric pressure.When high pressure wave arrives hydro pneumatic accumulators 1 by connecting pipe 3 forward, and thus during pressure of supply water ripple of reflected back,, do not make chamber 13 produce action through the compression wave no show sluicing still open chamber 13 that control device 26 advances yet.Yet before the pressure of supply water ripple of hydraulic accumulator 1 reflection arrived oscillator 4, the high pressure wave of advancing by control device 26 had just arrived sluicing open chamber 13, and makes pressure there be raised to high pressure from atmospheric pressure.As a result, the pressure differential that forms between chamber 13 and 14 just is pushed to the position that joins with base 21 with the position that hollow piston 8 is previous from it and base 29 joins.So just closed from connecting pipe 3 to seat cup 23, and entered a back chamber 24 and, simultaneously, opened the flow inlet that leads to low-pressure chamber 12 and sluicing nozzle 15 to work nozzle 25 flowing water flow by the outlet on the dividing plate 20 22.The hydraulic pressure flow resistance of Hydrautic pulse generator descends as a result, has produced a hydraulic shock on the cross section of oscillator 4, and pressure reduces simultaneously, and the high-voltage oscillation stage finishes at this point, and restarts the low pressure oscillation phase.Low-pressure wave (being lower than the pressure of supply water value) passes to 1, one approaching atmospheric percussive pressure Reeb of hydro pneumatic accumulator along connecting pipe 3 and passes to sluicing open chamber 13 through control device 26.Therefore, when the low pressure oscillation phase begins and in the whole low pressure oscillation phase, pressure in the hyperbaric chamber 11 is all the time near atmospheric pressure, pressure in the sluicing close chamber 14 is near the pressure of supply water value, and in sluicing open chamber 13, rise when pressure begins, when the low pressure oscillation phase finishes, drop to atmospheric pressure.
When low-pressure wave arrives hydro pneumatic accumulator 1, and thus during pressure of supply water ripple of reflected back, therefore the atmospheric pressure Reeb no show sluicing still open chamber 13 that the device 26 by 8 motions of control hollow piston advances, keeps high pressure in the chamber 13.Yet, before the pressure of supply water ripple of hydro pneumatic accumulator 1 reflection arrives oscillator 4, control device 26 has just been passed through in the atmospheric pressure Reeb, and arrived sluicing open chamber 13, therefore, the pressure in the chamber 13 has dropped to atmospheric pressure from high-voltage value, and this has just produced pressure differential between chamber 13 and 14, this pressure differential is applied on the hollow piston 8, piston 8 is shifted onto the valve body member 30 and base 29 contacted positions of hollow stem 9 ends that make it.So, from connecting pipe 3 to low-pressure chamber 12 and be closed to the path of sluicing nozzle 15, and to the hyperbaric chamber 11 and the path of work nozzle 25 opened.The hydraulic pressure flow resistance of Hydrautic pulse generator rises, and produces hydraulic shock on the cross section of oscillator 4, and pressure rises simultaneously.The low pressure oscillation phase finishes once more, and another high-voltage oscillation stage begins.Above-mentioned circulation oneself repeats, and Hydrautic pulse generator enters a kind of stable self-oscillatory duty, it is characterized in that the chronotaxis in low pressure and high-voltage oscillation stage.
Make Hydrautic pulse generator stop this self oscillating regime, opened switching control pilot 19 just.
Claims (1)
1, a kind of Hydrautic pulse generator, it comprises the hydro pneumatic accumulator (1) that communicates with water supply line (2) and link to each other with oscillator (4) by pipeline (3) and the device (26) of a control hollow piston motion, this oscillator has the housing (5) that hollow piston (8) are equipped with in an inside, piston (8) is divided into sluicing open chamber (13) and sluicing close chamber (14) with housing (5), and have the low-pressure chamber (12) of sluicing nozzle and a hyperbaric chamber (11) that communicates with main jet (25), device (26) is communicated with hyperbaric chamber (11) and sluicing open chamber (13), and comprise a control valve (19), it is characterized in that: sluicing close chamber (14) cuts off with the inner chamber of hollow piston (8), and be communicated with, and communicate with atmosphere by the control valve (19) of device (26) of control hollow piston (8) motion with water supply line (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86106787.8A CN1006162B (en) | 1986-10-06 | 1986-10-06 | Hydraulic impulse generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86106787.8A CN1006162B (en) | 1986-10-06 | 1986-10-06 | Hydraulic impulse generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86106787A CN86106787A (en) | 1988-04-20 |
| CN1006162B true CN1006162B (en) | 1989-12-20 |
Family
ID=4803368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86106787.8A Expired CN1006162B (en) | 1986-10-06 | 1986-10-06 | Hydraulic impulse generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1006162B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102906371A (en) * | 2010-03-25 | 2013-01-30 | 拉塞尔矿物设备私人有限公司 | Pulsed water-jet apparatus |
| CN104646208B (en) * | 2015-03-09 | 2017-03-15 | 厦门松霖科技有限公司 | Spray gun |
-
1986
- 1986-10-06 CN CN86106787.8A patent/CN1006162B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN86106787A (en) | 1988-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6429595A (en) | Hammer drill for boring | |
| JPH0552955B2 (en) | ||
| CN1006162B (en) | Hydraulic impulse generator | |
| SU776569A3 (en) | Hydraulic shocking device | |
| US4052850A (en) | Thrust generator | |
| US4425835A (en) | Fluid actuator | |
| US4275794A (en) | Tool equipped with a percussive device | |
| US4188174A (en) | Wear resistant valve | |
| US2581669A (en) | Gas turbine power plant with tank supplied by long conduit having volume over six times that of the intermittent combustion gas generator | |
| EP0195913B1 (en) | Sleeve valve for a pulsed gas generator | |
| SU1081350A1 (en) | Hydraulic pulsing mechanism | |
| SU1173818A1 (en) | Resonance hydraulic pulser | |
| SU1116161A1 (en) | Hydraulic pulsation device | |
| GB2198167A (en) | Hydraulic pulse generator | |
| SU1070345A1 (en) | Electric hydraulic pump | |
| SU1203976A1 (en) | Hydraulic pulsing device | |
| CN1010244B (en) | Hydraulic pulsetor | |
| SU1102956A1 (en) | Stepped hydraulic pulser | |
| SU1261352A1 (en) | Hydraulic pulser | |
| SU1618444A1 (en) | Device for disintegrating hard materials | |
| CN1010601B (en) | Hydraulic pulse generator | |
| SU1406363A1 (en) | Percussive device | |
| SU1231959A1 (en) | Hydraulic pulser | |
| RU2018654C1 (en) | Percussive device | |
| SU953207A1 (en) | Hydraulic pulse generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |