CN115059778A - Simple high-frequency hydraulic vibration exciter - Google Patents
Simple high-frequency hydraulic vibration exciter Download PDFInfo
- Publication number
- CN115059778A CN115059778A CN202210447764.XA CN202210447764A CN115059778A CN 115059778 A CN115059778 A CN 115059778A CN 202210447764 A CN202210447764 A CN 202210447764A CN 115059778 A CN115059778 A CN 115059778A
- Authority
- CN
- China
- Prior art keywords
- end cover
- valve core
- groove
- hole
- valve body
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000005284 excitation Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000000926 separation method Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 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
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides a simple high-frequency hydraulic vibration exciter, which comprises a valve body, wherein a valve body through hole is arranged in the valve body, the valve body through hole is connected with a valve core in a sliding manner, two end faces of the valve body are respectively connected with a sealing end cover, a first pressure cavity and a second pressure cavity are respectively formed between the two sealing end covers and the valve core, one end of the valve core is fixedly connected with a shifting fork, and the shifting fork can reciprocate left and right to drive the valve core to rotate inside, so that the pressure intensity in the first pressure cavity and the second pressure cavity is changed, and the valve core reciprocates in the valve body through hole; the invention is small and portable, simple to install and convenient to disassemble, and can be used in various environments.
Description
Technical Field
The invention relates to a hydraulic vibration exciter, in particular to a simple high-frequency hydraulic vibration exciter.
Background
The exciter is a device attached to some machines and equipments for generating exciting force, and is an important part for utilizing mechanical vibration. The vibration exciter can also be used as an exciting part to form a vibrating machine for realizing the work of conveying, screening, compacting and molding materials or objects, tamping soil gravels and the like. The vibration exciters are classified into inertial type electric, electromagnetic type, electrohydraulic type, pneumatic type, and hydraulic type according to the excitation type. In recent years, hydraulic vibration excitation technology has been widely developed, but most of the hydraulic vibration excitation technology on the market is a system composed of a shock wave device, a hydraulic cylinder, a dragging device and the like, is a large-scale system, is complex in structure, heavy, too high in power-weight ratio, difficult to adapt to application scenes requiring high-frequency vibration in small rooms, and is high in application cost.
Based on the situation, the invention provides a simple high-frequency hydraulic vibration exciter which can effectively solve the problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a simple high-frequency hydraulic vibration exciter, which can solve the problems that the conventional large vibration exciter is difficult to adapt to a small indoor application scene needing high-frequency vibration due to complex structure, complex installation and high power-weight ratio and has high application cost.
Therefore, the invention adopts the following technical scheme:
a simple high-frequency hydraulic vibration exciter comprises a driving mechanism and a valve body, wherein a valve body through hole is arranged in the valve body, the through hole of the valve body is connected with a valve core in a sliding way, two end faces of the valve body are respectively connected with sealing end covers, a first pressure cavity and a second pressure cavity are respectively formed between the two sealing end covers and the valve core, one end of the valve core is fixedly connected with a shifting fork, the other end of the shifting fork is connected with the driving mechanism, the driving mechanism can drive the shifting fork to rotate in a reciprocating manner, thereby driving the valve core to rotate in the through hole of the valve body, thereby changing the pressure in the first pressure cavity and the second pressure cavity, thereby realizing the reciprocating motion of the valve core in the through hole of the valve body, the driving mechanism can change the rotating speed, thereby changing the frequency of the reciprocating motion of the shift fork and changing the excitation frequency of the valve core.
On the basis of adopting the technical scheme, the invention can also adopt the following further technical schemes or combine the following further technical schemes for use:
the higher authority of valve body and motor support's first connecting surface fixed connection, motor support's second is connected the face perpendicular to first connecting surface, motor support's second is connected the face and is equipped with the motor through-hole, actuating mechanism includes motor support's second is connected the face fixedly connected with motor, the motor shaft of motor passes the motor through-hole, the end of motor shaft passes through cam through-hole and cam fixed connection, the cam includes bull wheel and fixed axle, the bull wheel is located between the left handle and the right handle of shift fork, the shift fork the left handle with the right handle downside is equipped with the shift fork through-hole, the shift fork through-hole with case fixed connection.
The side surface of the valve body is provided with a valve body inlet and a valve body outlet, the adjacent side surface of the side surface is provided with a valve body flow port and a valve body flow channel, and the valve body flow port is a throttling port.
The valve core comprises four sections of stepped shafts, the four sections of stepped shafts are a first section shaft of the valve core, a middle section shaft of the valve core, a second section shaft of the valve core and a convex shaft of the valve core in sequence, a first boss is arranged between the first section shaft of the valve core and the middle section shaft of the valve core, a second boss is arranged between the middle section shaft of the valve core and the second section shaft of the valve core, the side surfaces of two ends of the middle section shaft of the valve core are respectively provided with a first valve core pressure equalizing groove and a second valve core pressure equalizing groove, the side surface of the middle section shaft of the valve core is provided with a valve core through groove, a valve core main flow passage penetrating through the valve core through groove is arranged in the valve core through groove, a first valve core groove and a second valve core groove are also arranged in the side surface of the middle section shaft of the valve core, a valve core branch flow passage penetrating through the first valve core groove is arranged in the first valve core groove, the second valve core groove is close to one side opening of the second section shaft of the valve core, and the axis of the valve core main flow passage form a first plane, and the valve core through-flow grooves are symmetrically distributed relative to the second plane, the first valve core grooves and the second valve core grooves are symmetrically distributed relative to the first plane, and the first plane passes through the axis of the valve body flow port and bisects the valve body flow passage.
The first pressure cavity is formed among the valve core middle section shaft, the first boss and the first end cover, and the second pressure cavity is formed among the valve core middle section shaft, the second boss and the second end cover.
The first pressure cavity is communicated with the valve body flow passage, the second pressure cavity is communicated with the second valve core groove and the valve body outlet respectively, the first valve core groove and the second valve core groove respectively form a high-pressure cavity and a low-pressure cavity, the valve core main flow passage is communicated with the valve core branch flow passage, the valve core through-flow groove is communicated with the valve body inlet, and the valve body flow port is communicated with the first valve core groove and the second valve core groove respectively.
The sealing end cover comprises a first end cover and a second end cover, wherein a first end cover sealing sinking groove and a first end cover boss which are coaxial are processed on one end side face of the first end cover, the diameter of the first end cover sealing sinking groove is larger than that of the first end cover boss, a first end cover shaft hole which penetrates through the first end cover boss is arranged on the shaft center of the first end cover boss, a first annular sealing groove is arranged on the outer side of the first end cover boss, a first end cover inner sealing groove and a second end cover outer sealing groove are arranged in the first end cover shaft hole, the diameters of the first end cover inner sealing groove and the second end cover outer sealing groove are larger than that of the first end cover hole, a second end cover sealing sinking groove and a second end cover boss which are coaxial are processed on one end side face of the second end cover, the diameter of the second end cover sealing sinking groove is larger than that of the second end cover boss, and a second end cover shaft hole which penetrates through the second end cover boss is arranged on the shaft center of the second end cover boss, the outer side of the boss of the second end cover is provided with a second annular sealing groove, a second end cover inner sealing groove and a second end cover outer sealing groove are arranged in the second end cover shaft hole, and the diameters of the second end cover inner sealing groove and the second end cover outer sealing groove are larger than that of the second end cover hole.
The diameter of the first section shaft of the valve core is equal to that of the shaft hole of the first end cover, the diameter of the middle section shaft of the valve core is equal to that of the through hole of the valve body, the diameter of the second section shaft of the valve core is equal to that of the shaft hole of the second end cover, the diameter of the convex shaft of the valve core is equal to that of the through hole of the shifting fork, and the diameters of the boss of the first end cover and the boss of the second end cover are equal to that of the through hole of the valve body.
The first end cover seals heavy groove first ring seal groove first end cover inner seal groove with second end cover outer seal inslot is equipped with first large sealing washer, first Y type inner seal circle and first Y type outer seal circle respectively, first Y type inner seal circle leans on outer one side to be equipped with first separation blade, the sealed heavy groove of second end cover second ring seal groove second end cover inner seal groove with be equipped with second large sealing washer, second Y type inner seal circle and second Y type outer seal circle in the second end cover outer seal groove respectively, second Y type inner seal circle leans on outer one side to be equipped with the second separation blade.
The first end cover is provided with four first end cover through holes and four first valve body connecting holes corresponding to the surfaces of the valve body fixed connection respectively, the first end cover through holes are connected with the first valve body connecting holes through first end cover connecting bolts, the second end cover is provided with four first end cover through holes and four first valve body connecting holes corresponding to the surfaces of the valve body fixed connection respectively, the first end cover through holes are fixedly connected with the first valve body connecting holes through second end cover connecting bolts, the motor support is provided with motor support connecting holes and valve body upper connecting holes corresponding to the surfaces of the valve body fixed connection respectively, the motor support connecting holes are fixedly connected with the valve body upper connecting holes through motor connecting bolts, the motor support is provided with motor connecting holes corresponding to the end surfaces of the motor fixed connection, and the motor is provided with motor connecting holes through motor connecting bolts, The motor connecting hole and the motor connecting nut are fixedly connected with the motor support, a cam fixing hole is formed in the side face of the fixed shaft of the cam, the cam passes through the cam fixing hole and the cam connecting bolt and is fixedly connected with a motor shaft of the motor, a first shifting fork fixing hole and a second shifting fork fixing hole which are perpendicular to the lower shifting fork through hole are formed in the lower side of the lower shifting fork through hole of the shifting fork, and the shifting fork fixing bolt penetrates through the first shifting fork fixing hole and the second shifting fork fixing hole and is matched with the shifting fork fixing nut.
Compared with the prior art, the invention has the following advantages and beneficial effects: the valve core of the invention has high axial movement frequency, is controlled by the motor, can change the axial movement frequency of the valve core by regulating the speed of the motor, and can change the exciting force by adjusting the pressure at the inlet of the valve body; the invention is small and portable, simple to install, convenient to disassemble and can be used in various environments; the invention uses the electromechanical converter and the excitation executing component as a whole, realizes excitation by mechanical driving and hydraulic power amplification, has compact structure and low power-weight ratio, and is suitable for occasions needing high-frequency vibration in small rooms.
Drawings
FIG. 1 is a front view of a simple high-frequency hydraulic vibration exciter of the present invention;
FIG. 2 is a right side view of a simple high-frequency hydraulic vibration exciter of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2 of the present invention;
FIG. 4 is a three-dimensional view of the motor mount of the present invention;
FIG. 5 is a three-dimensional view of the cam of the present invention;
FIG. 6 is a three-dimensional view of the fork of the present invention;
FIG. 7 is a three-dimensional view of a second end cap of the present invention;
FIG. 8 is a cross-sectional view of a second end cap of the present invention;
FIG. 9 is a three-dimensional view of the valve cartridge of the present invention;
FIG. 10 is a three-dimensional view of a first end cap of the present invention;
FIG. 11 is a cross-sectional view of the first end cap of the present invention;
FIG. 12 is a three-dimensional view of the valve body of the present invention;
FIG. 13 is a left side elevational view of the valve body of the present invention;
fig. 14 is a sectional view taken at B-B of fig. 13 in the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, preferred embodiments of the present invention will be described below with reference to specific examples, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals denote like or similar functional elements throughout, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the present invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be understood by those skilled in the art that some of the known structures in the drawings and their description may be omitted, and that the positional relationships depicted in the drawings are for illustrative purposes only and should not be construed as limiting the invention.
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Reference is made to the accompanying drawings. The invention provides a simple high-frequency hydraulic vibration exciter, which comprises a driving mechanism and a valve body 13, wherein a valve body through hole F8 is arranged in the valve body 13, the valve body through hole F8 is connected with a valve core 9 in a sliding manner, two end faces of the valve body 13 are respectively connected with sealing end covers, a first pressure cavity Q1 and a second pressure cavity Q2 are respectively formed between the two sealing end covers and the valve core 9, one end of the valve core 9 is fixedly connected with a shifting fork 8, the other end of the shifting fork 8 is connected with the driving mechanism, the driving mechanism can drive the shifting fork 8 to rotate in a reciprocating manner so as to drive the valve core 9 to rotate in the valve body through hole F8, so that the pressure intensity in the first pressure cavity Q1 and the second pressure cavity Q2 is changed, so that the valve core 9 can reciprocate in the valve body through hole F8, the driving mechanism can change the rotating speed so as to change the frequency of the reciprocating movement of the shifting fork 8, thereby changing the excitation frequency of the valve spool 9.
The upper surface of the valve body 13 is fixedly connected with a first connecting surface of the motor bracket 3, a second connecting surface of the motor bracket 3 is vertical to the first connecting surface, the second connecting surface of the motor bracket 3 is provided with a motor through hole Z1, the driving mechanism comprises a motor 2 fixedly connected with the second connecting surface of the motor bracket, the motor shaft of the motor 2 passes through the motor through hole Z1, the end of the motor shaft is fixedly connected with the cam 7 through the cam through hole T3, the cam 7 comprises a large wheel T1 and a fixed shaft, the large wheel T1 is positioned between a left handle B1 and a right handle B2 of the shifting fork 8, a shifting fork through hole B3 is arranged at the lower side of the left handle B1 and the right handle B2 of the shifting fork 8, the shifting fork through hole B3 with the valve core 9 fixed connection, the motor 2 can drive the cam 7 to rotate, thereby driving the shifting fork 8 to rotate in a reciprocating manner.
The side of the valve body 13 is provided with a valve body inlet F3 and a valve body outlet F4, the adjacent side of the side is provided with a valve body flow port F1 and a valve body flow channel F2, and the valve body flow port F1 is a throttling port.
The valve core 9 comprises four sections of stepped shafts, the four sections of stepped shafts sequentially comprise a valve core first section shaft X1, a valve core middle section shaft X11, a valve core second section shaft X9 and a valve core convex shaft X10, a first boss X12 is arranged between the valve core first section shaft X1 and the valve core middle section shaft X11, a second boss X13 is arranged between the valve core middle section shaft X11 and the valve core second section shaft X9, the side surfaces of two ends of the valve core middle section shaft 13 are respectively provided with a first valve core pressure equalizing groove X2 and a second valve core pressure equalizing groove X6, the side surface of the valve core middle section shaft 13 is provided with a valve core through flow groove X7, a valve core main flow channel X8 penetrating through the valve core through flow groove X7, the side surface of the valve core middle section shaft 13 is also provided with a first valve core groove X3 and a second valve core groove X5, the first valve core groove X3 is provided with a valve core branch flow channel X4 penetrating through the valve core, and the second valve core groove X5 is close to the second valve core 9, the axis of the valve core 9 and the axis of the valve core main flow passage X8 form a first plane, a second plane is set through the axis of the valve core 9 and perpendicular to the first plane, two valve core through flow grooves X7 are symmetrically distributed about the second plane, two first valve core grooves X3 and two second valve core grooves X5 are symmetrically distributed about the first plane, the first valve core grooves X3 and the second valve core grooves X5 are symmetrically distributed about the second plane, the first plane passes through the axis of the valve body flow port F1 and divides the valve body flow passage F2, and the first valve core pressure equalizing groove X2 and the second valve core pressure equalizing groove X6 can equalize the axial pressure of the valve core 9, so that the phenomenon of clamping stagnation caused by eccentricity when the valve core 9 reciprocates is avoided.
The first pressure chamber Q1 is a pressure chamber formed between the valve core middle section axis X11, the first boss X12 and the first end cap 12, the second pressure chamber Q2 is a pressure chamber formed between the valve core middle section axis X11, the second boss X13 and the second end cap 14, and the first boss X12 and the second boss X13 can limit the reciprocating distance of the valve core 9, so that the first pressure chamber Q1 and the second pressure chamber Q2 are always present.
The first pressure chamber Q1 is communicated with the valve body flow passage F2, the second pressure chamber Q2 is respectively communicated with the second valve core groove X5 and the valve body outlet F4, the first valve core groove X3 and the second valve core groove X5 respectively form a high pressure chamber and a low pressure chamber, the valve core main flow passage X8 is communicated with the valve core branch flow passage X4, the valve core through flow groove X7 is communicated with the valve body inlet F3, and the valve body flow port F1 is respectively communicated with the first valve core groove X3 and the second valve core groove X5
The sealing end cover comprises a first end cover 14 and a second end cover 12, wherein a first end cover sealing sunken groove D1 and a first end cover boss D7 which are coaxial are machined on one end side face of the first end cover 14, the diameter of the first end cover sealing sunken groove D1 is larger than that of the first end cover boss D7, a first end cover shaft hole D6 which penetrates through the shaft center of the first end cover boss D7 is arranged, a first annular sealing groove D2 is arranged on the outer side of the first end cover boss D7, a first end cover inner sealing groove D3 and a second end cover outer sealing groove D4 are arranged in the first end cover shaft hole D6, the diameters of the first end cover inner sealing groove D3 and the second end cover outer sealing groove D4 are larger than that of the first end cover hole D6, a second end cover sealing sunken groove Y1 and a second end cover Y7 which are coaxial are machined on one end side face of the second end cover 12, and the diameter of the second end cover sealing sunken groove Y1 is larger than that of the second end cover boss Y7, the axle center of second end cover boss Y7 is equipped with the second end cover shaft hole Y6 that runs through, the outside of second end cover boss Y7 is equipped with second annular seal groove Y2, be equipped with second end cover inner seal groove Y3 and second end cover outer seal groove Y4 in the second end cover shaft hole Y6, second end cover inner seal groove Y3 with the diameter of second end cover outer seal groove Y4 is greater than the diameter of second end cover hole D6.
The diameter of the valve core first section shaft X1 is equal to the diameter of the first end cover shaft hole D6, the diameter of the valve core middle section shaft X11 is equal to the diameter of the valve body through hole F8, the diameter of the valve core second section shaft X9 is equal to the diameter of the second end cover shaft hole Y6, the diameter of the valve core convex shaft X10 is equal to the diameter of the shifting fork through hole B3, and the diameters of the first end cover boss D7 and the second end cover boss Y7 are equal to the diameter of the valve body through hole F8.
The first end cover sealing sinking groove D1, first annular seal groove D2, be equipped with first large size sealing washer 16, first sealing washer 17, first Y type inner seal ring 23 and first Y type outer seal ring 24 in first end cover inner seal groove D3 and the outer seal groove D4 of second end cover respectively, first Y type inner seal ring 23 is equipped with first separation blade 26 by outer one side, the sealed sinking groove Y1 of second end cover, second annular seal groove Y2, second end cover inner seal groove Y3 with be equipped with second large size sealing washer 19, second sealing washer 18, second Y type inner seal ring 22 and second Y type outer seal ring 21 in the outer seal groove Y4 of second end cover respectively, second Y type inner seal ring 22 is equipped with second separation blade 25 by outer one side.
The invention relates to a simple high-frequency hydraulic vibration exciter, which comprises the following working procedures:
in an initial state, an inlet F3 and an outlet F4 of the valve body 13 are respectively communicated with high-pressure oil and an oil tank of a hydraulic oil supply system, the motor 2 is powered off, the position of the cam 7 is shown in figure 2, the valve core 9 is located at the middle position of the valve body 13, the pressure of the first pressure cavity Q1 and the pressure of the second pressure cavity Q2 are balanced, and the throttle opening area between the valve body flow opening F1 and the first valve core groove X3 and the second valve core groove X5 of the valve core 9 is equal;
when the clockwise rotation angle of the motor is between 0 degree and 180 degrees, the valve core 9 can rotate anticlockwise, the area of a high-pressure throttling opening formed by the high-pressure cavity and the valve body flow opening is reduced, the area of a low-pressure throttling opening formed by the low-pressure cavity and the valve body flow opening is increased, the pressure in the first pressure cavity Q1 is reduced, the valve core 9 moves leftwards, and the areas of the high-pressure throttling opening and the low-pressure throttling opening are changed back to be equal; when the clockwise rotation angle of the motor is between 180 degrees and 360 degrees, the valve core 9 rotates clockwise, the area of the high-pressure throttling port is increased, the area of the low-pressure throttling port is reduced, the pressure in the first pressure cavity Q1 is increased, the valve core 9 moves to the right, and the areas of the high-pressure throttling port and the low-pressure throttling port are changed back to be equal; when the motor rotates for the second circle, the valve core 9 moves like when the motor rotates for the first time, and the reciprocating motion is carried out in a circulating mode, namely when the motor rotates, the valve core realizes axial high-speed reciprocating motion.
According to the description and the drawings of the invention, a person skilled in the art can easily manufacture or use the simple high-frequency hydraulic vibration exciter of the invention and can produce the positive effects recorded in the invention.
It is to be understood that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the invention and the above-described drawings are intended to cover non-exclusive inclusions. The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a detachable connection, or an integral construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two mechanisms, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "inside", "horizontal", "end", "length", "outer end", "left", "right", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the mechanism or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first" and "second" are also used for brevity of description only and do not indicate or imply relative importance.
Furthermore, variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. Furthermore, in the claims, the specification, the words "comprising", "including", and the like, do not exclude other elements or steps, and non-plural terms do not exclude a plurality.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made by the present invention are covered by the scope of the claims of the present invention, which is not limited by the examples herein.
Claims (10)
1. A simple high-frequency hydraulic vibration exciter is characterized in that: including actuating mechanism and valve body (13), be equipped with valve body through-hole (F8) in valve body (13), valve body through-hole (F8) sliding connection has case (9), the both ends face of valve body (13) is connected with end cover respectively, two end cover respectively with form first pressure chamber (Q1) and second pressure chamber (Q2) between case (9), case (9) one end fixedly connected with shift fork (8), the shift fork (8) other end is connected with actuating mechanism, actuating mechanism can drive shift fork (8) reciprocating rotation, thereby drive case (9) are in the internal rotation of valve body through-hole (F8), thereby change first pressure chamber (Q1) and the pressure in the second pressure chamber (Q2), thereby realize case (9) is in reciprocating motion in valve body through-hole (F8), the driving mechanism can change the rotating speed, so that the frequency of the reciprocating motion of the shifting fork (8) is changed, and the excitation frequency of the valve core (9) is changed.
2. A simple high-frequency hydraulic vibration exciter according to claim 1, characterized in that: the upper surface of the valve body (13) is fixedly connected with the first connecting surface of the motor bracket (3), the second connecting surface of the motor bracket (3) is vertical to the first connecting surface, the second connecting surface of the motor bracket (3) is provided with a motor through hole (Z1), the driving mechanism comprises a motor (2) fixedly connected with a second connecting surface of the motor bracket, the motor shaft of the motor (2) passes through the motor through hole (Z1), the tail end of the motor shaft is fixedly connected with the cam (7) through the cam through hole (T3), the cam (7) comprises a large wheel (T1) and a fixed shaft, the large wheel (T1) is positioned between a left handle (B1) and a right handle (B2) of the shifting fork (8), the left handle (B1) of shift fork (8) with right handle (B2) downside is equipped with shift fork through-hole (B3), shift fork through-hole (B3) with case (9) fixed connection.
3. A simple high-frequency hydraulic vibration exciter according to claim 1, characterized in that: the side of the valve body (13) is provided with a valve body inlet (F3) and a valve body outlet (F4), the adjacent side of the side is provided with a valve body flow port (F1) and a valve body flow channel (F2), and the valve body flow port (F1) is a throttling port.
4. A simple high-frequency hydraulic vibration exciter according to claim 1, characterized in that: the valve core (9) comprises four sections of stepped shafts which are sequentially a first section shaft (X1) of the valve core, a middle section shaft (X11) of the valve core, a second section shaft (X9) of the valve core and a convex shaft (X10) of the valve core, a first boss (X12) is arranged between the first section shaft (X1) of the valve core and the middle section shaft (X11) of the valve core, a second boss (X13) is arranged between the middle section shaft (X11) of the valve core and the second section shaft (X9) of the valve core, a first pressure equalizing groove (X2) and a second pressure equalizing groove (X6) of the valve core are respectively arranged on the side surfaces of two ends of the middle section shaft (13) of the valve core, a valve core groove (X7) is arranged on the side surface of the middle section shaft (13) of the valve core, a valve core channel (X8) penetrating through the valve core groove (X7) is arranged in the side surface of the middle section shaft (13) of the valve core, a first section shaft (X3) of the valve core groove and a second valve core groove (X5) of the valve core groove (5) are further arranged on the side surface of the middle section shaft of the valve core, a valve core branch flow passage (X4) penetrates through the first valve core groove (X3), the second valve core groove (X5) is opened close to one side of a valve core second section shaft (X9), the axis of the valve core (9) and the axis of the valve core main flow passage (X8) form a first plane, a second plane is set by passing through the axis of the valve core (9) and being perpendicular to the first plane, two valve core through flow grooves (X7) are symmetrically distributed around the second plane, two first valve core grooves (X3) and two second valve core grooves (X5) are symmetrically distributed around the first plane, the first valve core grooves (X3) and the second valve core grooves (X5) are symmetrically distributed around the second plane, and the first plane penetrates through the axis of the valve body flow port (F1) and is divided into the valve body flow passage (F2).
5. A simple high-frequency hydraulic vibration exciter according to claim 4, characterized in that: the first pressure chamber (Q1) is a pressure chamber formed between the valve core middle section shaft (X11), the first boss (X12) and the first end cap (12), and the second pressure chamber (Q2) is a pressure chamber formed between the valve core middle section shaft (X11), the second boss (X13) and the second end cap (14).
6. A simple high-frequency hydraulic vibration exciter according to claim 1, characterized in that: the first pressure chamber (Q1) is communicated with the valve body flow passage (F2), the second pressure chamber (Q2) is communicated with the second valve core groove (X5) and the valve body outlet (F4) respectively, a high-pressure chamber and a low-pressure chamber are formed at the first valve core groove (X3) and the second valve core groove (X5) respectively, the valve core main flow passage (X8) is communicated with the valve core branch flow passage (X4), the valve core through flow groove (X7) is communicated with the valve body inlet (F3), and the valve body flow port (F1) is communicated with the first valve core groove (X3) and the second valve core groove (X5) respectively.
7. A simple high-frequency hydraulic vibration exciter according to claim 1, characterized in that: the sealing end cover comprises a first end cover (14) and a second end cover (12), wherein a first end cover sealing sinking groove (D1) and a first end cover boss (D7) which are coaxial are machined in one end side face of the first end cover (14), the diameter of the first end cover sealing sinking groove (D1) is larger than that of the first end cover boss (D7), a first end cover shaft hole (D6) which penetrates through the shaft center of the first end cover boss (D7) is formed, a first annular sealing groove (D2) is arranged on the outer side of the first end cover boss (D7), a first end cover inner sealing groove (D3) and a second end cover outer sealing groove (D4) are arranged in the first end cover shaft hole (D6), the diameters of the first end cover inner sealing groove (D3) and the second end cover outer sealing groove (D4) are larger than that of the first end cover hole (D6), and a second end cover sealing sinking groove (Y1) and a second end cover boss (Y7) which are coaxial are machined in one end face side face of the second end cover (12), the diameter of the sealed heavy groove of second end cover (Y1) is greater than the diameter of second end cover boss (Y7), the axle center of second end cover boss (Y7) is equipped with second end cover shaft hole (Y6) that runs through, the outside of second end cover boss (Y7) is equipped with second annular seal groove (Y2), be equipped with seal groove (Y3) in the second end cover and seal groove (Y4) outside the second end cover in second end cover shaft hole (Y6), seal groove (Y3) in the second end cover with the diameter of seal groove (Y4) outside the second end cover is greater than the diameter of second end cover hole (D6).
8. A simple high-frequency hydraulic vibration exciter according to claim 7, characterized in that: the diameter of the first section shaft (X1) of the valve core is equal to that of the first end cover shaft hole (D6), the diameter of the middle section shaft (X11) of the valve core is equal to that of the valve body through hole (F8), the diameter of the second section shaft (X9) of the valve core is equal to that of the second end cover shaft hole (Y6), the diameter of the convex shaft (X10) of the valve core is equal to that of the shifting fork through hole (B3), and the diameters of the first end cover boss (D7) and the second end cover boss (Y7) are equal to that of the valve body through hole F8.
9. A simple high-frequency hydraulic vibration exciter according to claim 7, characterized in that: a first large sealing ring (16), a first sealing ring (17), a first Y-shaped inner sealing ring (23) and a first Y-shaped outer sealing ring (24) are respectively arranged in the first end cover sealing sinking groove (D1), the first annular sealing groove (D2), the first end cover inner sealing groove (D3) and the second end cover outer sealing groove (D4), a first blocking piece (26) is arranged at one side of the first Y-shaped inner sealing ring (23) close to the outer side, a second large-size sealing ring (19), a second sealing ring (18), a second Y-type inner sealing ring (22) and a second Y-type outer sealing ring (21) are respectively arranged in the second end cover sealing sunken groove (Y1), the second annular sealing groove (Y2), the second end cover inner sealing groove (Y3) and the second end cover outer sealing groove (Y4), and a second blocking piece (25) is arranged at one side of the second Y-shaped inner sealing ring (22) close to the outer side.
10. A simple high-frequency hydraulic vibration exciter according to claim 7, characterized in that: the first end cover (14) and the surface of the valve body (13) are respectively and correspondingly provided with four first end cover through holes (D5) and four first valve body connecting holes (F9), the first end cover through hole (D5) and the first valve body connecting holes (F9) are connected through first end cover connecting bolts (15), the second end cover (12) and the surface of the valve body (13) are respectively and correspondingly provided with four first end cover through holes (Y5) and four first valve body connecting holes (F7), the first end cover through hole (Y5) and the first valve body connecting holes (F7) are respectively and correspondingly provided with a motor bracket connecting hole (Z3) and a valve body upper connecting hole (F6), the motor bracket connecting hole (Z3) and the valve body upper connecting hole (F6) are fixedly connected through a motor connecting bolt (1), the end surface of the motor bracket (3) fixedly connected with the motor (2) is provided with a motor connecting hole (Z3), the motor (2) is fixedly connected with the motor bracket (3) through a motor connecting bolt (6), the motor connecting hole (Z3) and a motor connecting nut (4), the side surface of the fixed shaft of the cam (7) is provided with a cam fixed hole (T3), the cam (7) is fixedly connected with a motor shaft of the motor (2) through the cam fixing hole (T3) and a cam connecting bolt (5), the shift fork (8) lower shift fork through-hole (B3) downside is equipped with the perpendicular to shift fork first fixed orifices (B4) and shift fork second fixed orifices (B5) of lower shift fork through-hole (B3), shift fork fixing bolt (10) pass shift fork first fixed orifices (B4) with shift fork second fixed orifices (B5) to cooperate with shift fork fixation nut (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447764.XA CN115059778A (en) | 2022-04-26 | 2022-04-26 | Simple high-frequency hydraulic vibration exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210447764.XA CN115059778A (en) | 2022-04-26 | 2022-04-26 | Simple high-frequency hydraulic vibration exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115059778A true CN115059778A (en) | 2022-09-16 |
Family
ID=83197103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210447764.XA Withdrawn CN115059778A (en) | 2022-04-26 | 2022-04-26 | Simple high-frequency hydraulic vibration exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115059778A (en) |
-
2022
- 2022-04-26 CN CN202210447764.XA patent/CN115059778A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1948932B1 (en) | Membrane pump | |
| KR101342565B1 (en) | Electricity-liquid drive system of operating machine | |
| CN101718291B (en) | Large-flow high-frequency electrohydraulic exciting shock control valve drive system | |
| CN106837725B (en) | two-dimensional axial plunger pump | |
| CN103527386A (en) | Integrated drive generator pump plate | |
| WO2020093618A1 (en) | Hydraulic linear impact vibration pile hammer machine | |
| US10000895B2 (en) | Rotating hydraulic gear motor | |
| CN101900143B (en) | Swing type hydraulic proportioning and servo valve | |
| CN106837900B (en) | The electro-hydraulic vibration exciter of cement pavement rubblizing apparatus | |
| CN115059778A (en) | Simple high-frequency hydraulic vibration exciter | |
| KR101977697B1 (en) | Tandem type hydraulic pump integrated with electric motor | |
| CN206562977U (en) | Two-dimensional axial plunger pump | |
| US9937529B1 (en) | Device for controlling the movement of an eccentric mass of a vibration inducing mechanism | |
| CN201723520U (en) | Swing type hydraulic proportioning and servo valve | |
| WO2020078023A1 (en) | Liquid piston air compressor | |
| KR101943761B1 (en) | Motor assembled hydraulic pump | |
| CN104100486A (en) | Axial plunger type motor pump | |
| CN210686275U (en) | Plunger pump set | |
| CN214460795U (en) | Digital hydraulic intelligent control system and excavator | |
| CN213451136U (en) | High-frequency hydraulic vibration exciter | |
| CN209146027U (en) | A kind of rotary actuator of hydraulic angle vibration table | |
| CN203201740U (en) | Slurry pump assembly | |
| CN102962191B (en) | Continuous water hammer impact vibration method | |
| CN114687976A (en) | Large-traffic compact electricity liquid all-in-one | |
| CN1279366A (en) | Hydraulic pump, motor and combined hydraulic device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220916 |
|
| WW01 | Invention patent application withdrawn after publication |