CN111664145A - Bidirectional hydraulic pulse generation system - Google Patents
Bidirectional hydraulic pulse generation system Download PDFInfo
- Publication number
- CN111664145A CN111664145A CN202010659898.9A CN202010659898A CN111664145A CN 111664145 A CN111664145 A CN 111664145A CN 202010659898 A CN202010659898 A CN 202010659898A CN 111664145 A CN111664145 A CN 111664145A
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- CN
- China
- Prior art keywords
- oil
- rotor
- box body
- vibrator
- shell
- 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.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 142
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/12—Fluid oscillators or pulse generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/12—Fluid oscillators or pulse generators
- F15B21/125—Fluid oscillators or pulse generators by means of a rotating valve
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a bidirectional hydraulic pulse generating system, wherein a mechanical part comprises a vibrator, a motor base, a coupler, a shaft, a hydraulic pipe joint, an end cover, a sealing ring and the like; the motor is fixed on the base plate, the shaft is connected with the motor through a coupler, and stepped shaft mounting bearings are processed at two ends of the rotor; the sealing rings and the end covers are arranged at two ends of the shell, and the end covers are fixed on the shell by screws; the hydraulic part comprises an oil cylinder, an oil pump, a filter, an overflow valve, an electromagnetic valve and a throttle valve; the radial processing of rotor has a plurality of pairs of axial interval equal holes, and wherein the one end of hole links to each other with the solenoid valve, and the other end is connected to the pendulum. Under the rotation of the motor, the oil inlet duct and the oil return duct on the rotor are periodically and alternately changed, so that regular, controllable and periodically changed hydraulic pulses are generated.
Description
Technical Field
The invention relates to the field of hydraulic vibration, in particular to a bidirectional hydraulic pulse generation system.
Background
Over the last two thirty years, vibration and wave utilization techniques have found widespread use in various sectors of engineering and in various aspects of human life. The vibration phenomenon is researched, the intrinsic rule of the vibration phenomenon is found out, effective utilization is achieved, rapid progress of modern science and technology enables the research of vibration utilization to obtain great results, and the vibration utilization is widely applied to the engineering field. Such as a vibrating conveyor, a vibrating screen, a vibrating dehydrator, a vibrating shakeout machine, a vibrating roller, a vibrating pile-sinking and-drawing machine, a vibrator, a rammer, etc., which are applied to various industries such as factories, mines, construction sites, etc. On the other hand, according to the using condition of the vibration appliance, the mechanical equipment designs the vibration appliance and the executing element into a whole, and has strong pertinence, so that the vibration frequency and the amplitude parameter are not easy to adjust.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a bidirectional hydraulic pulse generating system to solve the problem that parameters such as vibration frequency, amplitude and the like are not easy to adjust in the prior art.
Based on the purpose, the invention provides a bidirectional hydraulic pulse generation system, wherein a mechanical part comprises a vibrator, a motor, a base, a coupler, a rotor, an end cover, a sealing ring and the like; the motor is fixed on the backing plate, the rotor is connected with the motor through a coupler, the bearings are installed on two sides of the rotor, and the end covers are connected to the shell through screws; one end of the hydraulic pipe joint is in threaded connection with the shell, and the other end of the hydraulic pipe joint is connected with the hydraulic pipe; c, E in the hydraulic oil path is an oil inlet path which is connected with an oil outlet of the electromagnetic valve, an oil inlet of the upper vibrator box body and an oil inlet of the lower box body; D. and F is an oil return path which is connected with the oil outlet of the upper box body and the lower box body of the vibrator and the oil inlet of the oil cylinder.
Furthermore, the oscillator is a stepped shaft and is arranged in the upper box body and the lower box body, four oil grooves with circumferentially uniformly distributed and alternately opposite openings are formed in the circumferences of the left end and the right end of the upper box body and the lower box body after installation, and a buffering effect can be achieved after hydraulic oil is introduced.
Furthermore, two pairs of oil holes with equal diameters and 90-degree difference in opening directions are uniformly distributed in the axial direction of the rotor; wherein, two ends of the oil hole can be milled with a concave surface with the depth of 0.1 mm-10 mm.
Furthermore, two pairs of shell oil holes are uniformly distributed in the shell along the axial direction and correspond to the rotor oil holes in position; the first pair of shell oil holes are overlapped with the axis of the rotor oil hole, the aperture of the first pair of shell oil holes is equal to the aperture of the rotor oil hole, the included angle between the axis of the second pair of shell oil holes and the axis of the first pair of oil holes is 90 degrees, and the aperture of the second pair of shell oil holes is equal to the aperture of the rotor oil hole.
Further, an oil inlet of the oil pump is connected with the oil cylinder through a filter; the overflow valve is connected with the oil outlet of the oil pump and the oil inlet of the oil cylinder; an oil inlet of an oil inlet channel C, E of the rotor is connected with an oil pump through an electromagnetic valve, and oil inlets of the upper box body and the lower box body of the vibrator are connected with an oil outlet of an oil channel C, E through a throttle valve; oil outlets of the upper vibrator box body and the lower vibrator box body are connected with inlets of an oil return channel D, F through a throttle valve, and an oil outlet D, F is connected with an oil inlet of an oil cylinder; the oil grooves of the upper box body and the lower box body of the vibrator are connected with the oil outlet of the electromagnetic valve through a throttle valve, and the backpressure effect is achieved.
Compared with the prior art, the invention has the beneficial effects that: the variable frequency motor drives the rotor to rotate at a high speed, and the two pairs of oil holes on the rotor are alternately in a closed circuit state and an open circuit state in the rotating process, so that hydraulic pulses with regular changes are output and act on the end face of the vibrator along the oil inlet channel to push the vibrator to vibrate regularly; the frequency of the frequency can be adjusted according to the requirements of actual working conditions; the amplitude of the vibrator (actuator) can be adjusted by changing the area of the oil groove or adjusting the pulse intensity; and this device simple structure can work under comparatively abominable condition.
The following detailed description will be made with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
FIG. 2 is a schematic view of a rotor and its components according to the present invention.
Fig. 3 is a schematic structural view of a rotor according to the present invention.
FIG. 4 is a schematic structural diagram of the rotor oil hole after milling.
Fig. 5 is a schematic structural view of the vibrator after the upper and lower cases are assembled.
Icon: 1-oil cylinder; 2-a filter; 3-an oil pump; 4-an overflow valve; 5-two-position two-way electromagnetic valve; 6-a rotor; 7-a throttle valve; 8-a throttle valve; 9-loading the box body; 10-a vibrator; 11-lower box body; 12-a throttle valve; 13-a throttle valve; 14-an end cap; 15-a housing; 16-hydraulic pipe joints; 17-a bearing; 18-felt; 19-a sealing ring; 20-screws; 21-a coupler; 22-a motor; 23-engine base.
Detailed Description
A two-way hydraulic pulse generating system comprises a mechanical part, a generator 10, a motor 22, a base 23, a coupler 21, a rotor 6, an end cover 14, a sealing ring 19 and the like; the motor 22 is fixed on the base 23, the rotor 6 is connected with the motor 22 through the shaft coupling 21, the bearing is installed on both sides of the rotor to play a supporting role, and the end cover 14 is connected on the shell 15 through a screw; one end of a hydraulic pipe joint 16 is in threaded connection with the shell 15, and the other end of the hydraulic pipe joint is connected with a hydraulic pipe; in the hydraulic part, C, E in the hydraulic oil path is an oil inlet path of the vibrator 10, and D, F is an oil return path of the vibrator; an oil inlet of an oil pump 3 is connected with the oil cylinder 1 through a filter 2; an overflow valve 4 is connected with an oil outlet of an oil pump 3 and an oil inlet of an oil cylinder 1 to be connected with an oil inlet C, E oil inlet of a rotor 6, and is connected with the oil pump 3 through an electromagnetic valve 5, and an oil inlet hole of a vibrator upper box 9 and an oil inlet hole of a vibrator lower box 11 are connected with an oil outlet of an oil way C, E through a throttle valve 8 and a throttle valve 12; the oil outlets of the upper box body 9 and the lower box body 11 of the vibrator are connected with the oil inlet of the oil cylinder 1 through a throttle valve 8 and a throttle valve 12.
Two pairs of shell oil holes are uniformly distributed in the shell 15 along the axial direction and correspond to the positions of the rotor 6 oil holes; the first pair of shell oil holes are overlapped with the axis of the rotor oil hole, the aperture of the first pair of shell oil holes is equal to the aperture of the rotor oil hole, the included angle between the axis of the second pair of shell oil holes and the axis of the first pair of oil holes is 90 degrees, and the aperture of the second pair of shell oil holes is equal to the aperture of the rotor oil hole.
When the electromagnetic valve 5 is in a passage state and the motor 22 drives the rotor 6 to rotate at a high speed, two pairs of 90-degree staggered oil holes on the rotor 6 are alternately in a passage and disconnection state in the rotation process, so that regular hydraulic pulses are output; the first half cycle: when the rotor rotates to the oil inlet oil path C, the oil return oil path D is communicated, and the E, F oil path is blocked, hydraulic oil pumped out by the oil pump 3 acts on the surface A of the vibrator 10 along the oil inlet channel C through the electromagnetic valve 5, the vibrator moves to the right, and redundant hydraulic oil in the cavity flows into the oil cylinder 1 along the oil return channel D; the second half period is as follows: when the rotor rotates to the oil inlet oil path E, the oil return oil path F is communicated, and the C, D oil path is blocked, hydraulic oil pumped out by the oil pump 3 acts on the surface B of the vibrator 10 along the oil inlet channel E through the electromagnetic valve 5, the vibrator moves to the left, and redundant hydraulic oil in the cavity flows to the oil cylinder 1 along the oil return channel E.
Further, the rotor frequency may be adjusted by changing the rotational speed of the motor 22 according to actual operating condition requirements; the amplitude of the vibrator 10 (actuator) can be adjusted by changing the area of the oil groove or adjusting the pulse intensity.
Furthermore, the vibrator 10 is a stepped shaft and is arranged in the upper box body 9 and the lower box body 11, four oil grooves which are uniformly distributed in the circumferential direction and are alternately opposite in opening are formed in the circumferences of the left end and the right end of the upper box body and the lower box body after the vibrator 10 is installed, and a buffer oil path is formed by the oil grooves, the throttle valve 7 and the throttle valve 13 when the rotor normally runs, so that dry friction and impact generated by the shaft shoulder of the vibrator, the inner surface of the upper box body and the inner surface of the lower box body in the process of continuously reciprocating axial vibration of the vibrator.
Further, two pairs of oil holes with equal diameters and 90-degree difference in opening directions are uniformly arranged in the axial direction of the rotor 6; in some embodiments, the two ends of the rotor oil hole can be milled with a concave surface with the depth of 0.1 mm-10 mm.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (5)
1. A bi-directional hydraulic pulse generation system, characterized by: the mechanical part comprises a vibrator, a motor, a base, a coupler, a rotor, an end cover, a sealing ring and the like; the motor is fixed on the backing plate, the rotor is connected with the motor through a coupler, the bearings are installed on two sides of the rotor, and the end covers are connected to the shell through screws; one end of the hydraulic pipe joint is in threaded connection with the shell, and the other end of the hydraulic pipe joint is connected with the hydraulic pipe; c, E in the hydraulic oil path is an oil inlet path which is connected with an oil outlet of the electromagnetic valve, an oil inlet of the upper vibrator box body and an oil inlet of the lower box body; D. and F is an oil return path which is connected with the oil outlet of the upper box body and the lower box body of the vibrator and the oil inlet of the oil cylinder.
2. The system of claim 1, wherein the vibrator is a stepped shaft mounted in the upper and lower housings, and four oil grooves with circumferentially uniform and alternately opposite openings are formed on the circumferences of the left and right ends of the mounted upper and lower housings.
3. A bi-directional hydraulic pulse generating system as recited in claim 1, wherein two pairs of oil holes having the same diameter and opening directions different by 90 ° are uniformly arranged in the axial direction of the rotor; wherein, two ends of the oil hole can be milled with a concave surface with the depth of 0.1 mm-10 mm.
4. A bi-directional hydraulic pulse generating system as recited in claim 1, wherein the housing has two pairs of housing oil holes distributed uniformly in the axial direction and corresponding to the rotor oil holes; the first pair of shell oil holes are overlapped with the axis of the rotor oil hole, the aperture of the first pair of shell oil holes is equal to the aperture of the rotor oil hole, the included angle between the axis of the second pair of shell oil holes and the axis of the first pair of oil holes is 90 degrees, and the aperture of the second pair of shell oil holes is equal to the aperture of the rotor oil hole.
5. The bi-directional hydraulic pulse generating system according to claim 1, wherein an oil inlet of the oil pump is connected with the oil cylinder through a filter; the overflow valve is connected with the oil outlet of the oil pump and the oil inlet of the oil cylinder; an oil inlet of an oil inlet channel C, E of the rotor is connected with an oil pump through an electromagnetic valve, and oil inlets of the upper box body and the lower box body of the vibrator are connected with an oil outlet of an oil channel C, E through a throttle valve; oil outlets of the upper vibrator box body and the lower vibrator box body are connected with inlets of an oil return channel D, F through a throttle valve, and an oil outlet D, F is connected with an oil inlet of an oil cylinder; the oil grooves of the upper box body and the lower box body of the vibrator are connected with the oil outlet of the electromagnetic valve through a throttle valve, and the backpressure effect is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659898.9A CN111664145A (en) | 2020-07-10 | 2020-07-10 | Bidirectional hydraulic pulse generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659898.9A CN111664145A (en) | 2020-07-10 | 2020-07-10 | Bidirectional hydraulic pulse generation system |
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| Publication Number | Publication Date |
|---|---|
| CN111664145A true CN111664145A (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010659898.9A Pending CN111664145A (en) | 2020-07-10 | 2020-07-10 | Bidirectional hydraulic pulse generation system |
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| Country | Link |
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| CN (1) | CN111664145A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56134608A (en) * | 1980-03-22 | 1981-10-21 | Japanese National Railways<Jnr> | Amplitude adjustment device of oil pressure oscillator |
| CN87214188U (en) * | 1987-10-08 | 1988-06-29 | 贵州省机械研究所 | Single channel rotary hydraulic impulsator |
| CN102042281A (en) * | 2011-01-11 | 2011-05-04 | 浙江大学 | Oil cylinder of static pressure vibration exciter |
| CN102734279A (en) * | 2012-06-28 | 2012-10-17 | 浙江大学 | Electrohydraulic vibration exciter |
| CN104595278A (en) * | 2015-01-29 | 2015-05-06 | 中煤科工集团重庆研究院有限公司 | Hydraulic buffer oil cylinder |
| CN212297138U (en) * | 2020-07-10 | 2021-01-05 | 长春工业大学 | Bidirectional hydraulic pulse generation system |
-
2020
- 2020-07-10 CN CN202010659898.9A patent/CN111664145A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56134608A (en) * | 1980-03-22 | 1981-10-21 | Japanese National Railways<Jnr> | Amplitude adjustment device of oil pressure oscillator |
| CN87214188U (en) * | 1987-10-08 | 1988-06-29 | 贵州省机械研究所 | Single channel rotary hydraulic impulsator |
| CN102042281A (en) * | 2011-01-11 | 2011-05-04 | 浙江大学 | Oil cylinder of static pressure vibration exciter |
| CN102734279A (en) * | 2012-06-28 | 2012-10-17 | 浙江大学 | Electrohydraulic vibration exciter |
| CN104595278A (en) * | 2015-01-29 | 2015-05-06 | 中煤科工集团重庆研究院有限公司 | Hydraulic buffer oil cylinder |
| CN212297138U (en) * | 2020-07-10 | 2021-01-05 | 长春工业大学 | Bidirectional hydraulic pulse generation system |
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