CN207975064U - A kind of shaft shoulder type rotary valve - Google Patents
A kind of shaft shoulder type rotary valve Download PDFInfo
- Publication number
- CN207975064U CN207975064U CN201721517431.0U CN201721517431U CN207975064U CN 207975064 U CN207975064 U CN 207975064U CN 201721517431 U CN201721517431 U CN 201721517431U CN 207975064 U CN207975064 U CN 207975064U
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- hydraulic fluid
- valve
- shaft shoulder
- fluid port
- oil
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Abstract
The utility model provides a kind of shaft shoulder type rotary valve, includes mainly valve body, spool, valve pocket, spool and valve pocket are cylinder, valve core housing is loaded in valve pocket, and the spool and valve pocket integral assembling of suit completion, in valve body, valve pocket has two pairs of hydraulic fluid ports, and hydraulic fluid port identical with valve pocket quantity is provided on valve body.Hydraulic oil is rotated by the hydraulic fluid port on valve body, valve pocket by motor-driven valve core, is realized oil circuit opening and closing and commutation, finally hydraulic cylinder is made to move back and forth, generates exciting effect.The rotary valve has many advantages, such as that compact-sized, contamination resistance is strong, can be widely applied to high speed commutate, the hydraulic system of high speed exciting, improve the exciting performance of hydraulic exciting device.
Description
Technical field
The utility model is related to a kind of hydraulic valve class field more particularly to a kind of shaft shoulder type rotary valves.
Background technology
Vibrator is a kind of equipment that can force object or Self generating oscillations, various with the needs of production and living
Excitational equipment comes into being, and usage amount increases year by year.Currently, exciting device is applied to rock drill, lithotriptor and impactor, it is complete
At the second-time breakage and drilling of mineral.With the continuous increase to hydraulic vibration exciter demand, the performance of vibrator also proposed
Higher requirement, and it is exactly to introduce servo valve one of to improve the performance of vibrator, servo valve largely decides exciting
The superiority of system performance.
Electrohydraulic servo valve can be divided into two kinds of structures of guiding valve and rotary valve at present, hydraulic reversing valve be it is a kind of using spool with respect to valve body
It rotates to realize the hydraulic valve of oil circuit opening and closing and commutation, has many advantages, such as that compact-sized, contamination resistance is strong, it can extensive use
In high speed commutation, the hydraulic system of high speed exciting.Therefore a shaft shoulder type hydraulic reversing valve is designed, improves the performance of excitation system.
Utility model content
The utility model embodiment technical problem to be solved be to provide it is a kind of it is compact-sized, contamination resistance is strong,
Can be widely applied to high speed commutate, the rotary valve of the hydraulic system of high speed exciting, it is intended to overcome that guiding valve aperture is unstable, vulnerable part is more
And maintenance workload it is big the shortcomings of.
A kind of shaft shoulder type rotary valve, including valve body, spool, valve pocket, spool and valve pocket are cylinder, and spool can relative rotation
Ground is set in the valve pocket, and is set in valve body described in the spool completed and valve pocket integral assembling, includes first axle on spool
Shoulder, second shaft shoulder, the third shaft shoulder, the second shaft shoulder both ends circumferential direction are provided with 2n oil groove, and n is equal to 4 or 6 or 8 or 12, oil groove packet
Include n long oil grooves and n short oil slot, long oil groove and the uniform interlaced arrangement of short oil slot, and the angle between long oil groove and short oil slot
For, it is provided with oil pocket between first shaft shoulder and second shaft shoulder, the third shaft shoulder and second shaft shoulder, two pairs and oil groove phase are opened up on valve pocket
The angle of corresponding first hydraulic fluid port, each pair of first hydraulic fluid port is, and the quantity of each pair of hydraulic fluid port is 2, is opened up on valve body and the first oil
Corresponding second hydraulic fluid port of mouth, the second hydraulic fluid port can be connected with the first hydraulic fluid port.
Further, n is equal to 4, and circumferentially direction is provided with 8 oil grooves at the both ends of second shaft shoulder, and oil groove includes 4 long oils
Slot and 4 short oil slots, long oil groove and short oil slot interlaced arrangement, and angle in a circumferential direction is 45 °.
Further, the angle of the first hydraulic fluid port is 45 ° on valve pocket, and each pair of first hydraulic fluid port includes a rectangle hydraulic fluid port and one
Round hydraulic fluid port.
Further, long oil groove is a shape, short oil slot is semicircle.
Further, the second hydraulic fluid port is circle.
Compared with prior art, advantageous effect is the utility model embodiment：By on the second shoulder both ends open up
The long oil groove and short oil slot of interlaced arrangement, and the first hydraulic fluid port corresponding with oil groove is opened up on valve pocket opens up and the on valve body
Corresponding second hydraulic fluid port of one hydraulic fluid port can make hydraulic oil pass sequentially through the second hydraulic fluid port, the first hydraulic fluid port, by oil groove, in valve
In the case that core rotates, fluid can commutate, and realize exciting effect, and the rotary valve also has simple in structure, antipollution in addition
The advantages that ability is strong.
Description of the drawings
Fig. 1 is rotary valve installation diagram.
Fig. 2 is valve core structure schematic diagram.
Fig. 3 is valve body structure schematic diagram.
Fig. 4 is housing configuration schematic diagram.
Fig. 5 is rotary valve fuel feeding schematic diagram.
When Fig. 6 is that spool turns over 45 °, fuel feeding schematic diagram.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figures 1 to 4, it is a preferred embodiment of the utility model, including valve core 6, valve body 4, valve pocket 5, institute
Spool 6 and valve pocket 5 are cylinder, and 6 sets of spool can with the relative rotation fill in valve pocket 5, and are set with the spool 6 completed and valve pocket 5
In valve body 4 described in integral assembling.Spool 6 further includes first shaft shoulder 61, second shaft shoulder 63, the third shaft shoulder 65, second shaft shoulder 63.The
63 both ends circumferential directions are provided with 2n oil groove on two shaft shoulders, and n is equal to 4 or 6 or 8 or 12, and wherein oil groove includes n long oil grooves 632
With n short oil slot 631, under 6 rotational case of spool, wherein long oil groove 632 be used for fluid commutation and conducting, short oil slot 631
It is connected for fluid.631 uniform interlaced arrangement of long oil groove 632 and short oil slot, and the folder between long oil groove 632 and short oil slot 631
Angle is, first shaft shoulder 61 and second shaft shoulder 63 be provided between oil pocket 62, the third shaft shoulder 65 and second shaft shoulder 63 and be provided with oil pocket 64,
Two pairs of first hydraulic fluid ports be connected with long oil groove 632 and short oil slot 631 are opened up on the valve pocket 5, the angle of the first hydraulic fluid port is, and
The quantity of each pair of hydraulic fluid port is 2, opens up the second hydraulic fluid port corresponding with the first hydraulic fluid port on valve body 4, the second hydraulic fluid port and the first hydraulic fluid port can
With conducting.
Specifically, n is equal to 4, respectively offers 8 oil grooves on second shaft shoulder, 63 both ends, including 4 long oil grooves 632 and 4 short
Oil groove 631,631 uniform interlaced arrangement of long oil groove 632 and short oil slot, corresponding angle is 45 ° in a circumferential direction, and valve pocket 5 is opened
If two pairs of first hydraulic fluid ports that can be connected with long oil groove 632 and short oil slot 631, respectively hydraulic fluid port P1, A1, O1, B1.P1 and O1
It is round for rectangle, A1 and B1, circumferentially angle is 45 ° to each pair of first hydraulic fluid port on valve pocket 5.Two pairs and valve are opened up on valve body 4
Corresponding second hydraulic fluid port of first hydraulic fluid port on set 5, the second hydraulic fluid port can be connected with the first hydraulic fluid port, and shape is circle.Respectively P, A,
O, B, conduction mode corresponding with the first hydraulic fluid port are that corresponding P, A1 corresponding As of P1, A1 corresponding As, O1 be corresponding 0, the corresponding B of B1.
In other embodiment, 12 oil grooves are opened up on second shaft shoulder 63,631 numbers of long oil groove 632 and short oil slot are respectively 6
A, uniform interlaced arrangement is 30 ° in the upper angle of circumferencial direction, and valve pocket 5 opens up two pairs of first oil corresponding with oil groove
Mouthful, the angle of each pair of first hydraulic fluid port is 30 °.
In above-mentioned implementation, long oil groove 632 is door shape, and short oil slot 631 is semicircle, in other embodiments, long oil groove 632
Can be rectangle with short oil slot 631.
In above-described embodiment, recess 51, recess 52 are provided at both ends in valve pocket 5（It is not drawn into figure）, in 51 He of recess
Recess 52 installs oil tight skeleton（It is not drawn into figure）, the third shaft shoulder 65 and first shaft shoulder 61 can be placed in oil tight skeleton, can prevent
Hydraulic oil is leaked from oil pocket 62 and oil pocket 64.First shaft shoulder, 61 outer end face is designed with axle journal 66 and the design of 65 outer end face of the third shaft shoulder
There are axle journal 67, bearing 8 to be mounted on axle journal 67, bearing 2 is mounted on axle journal 66.Bearing holder (housing, cover) 3 and bearing holder (housing, cover) 7 are connected by bolts
The both ends of valve body 4 are fixed on, prevent the radial-play of bearing 2 and bearing 8 respectively, bearing leads to lid 9 and bearing (ball) cover 1 passes through bolt
It is connected and fixed on axle sleeve 8 and axle sleeve 3, prevents the axial float of bearing.Include shaft 671, shaft 671 and installation on axle journal 67
Motor 11 on pedestal 12, is coupled by shaft coupling 10, and thus when motor 11 rotates, driving spool 6 rotates.
In conclusion the utility model specific work process is as follows：
It is 10MPa in oil liquid pressure, motor speed is 1200 turns, in the case that spool both ends number of grooves is 8, is please referred to
Fig. 5, high pressure oil pass sequentially through the hydraulic fluid port P on valve body 4, valve pocket upper hydraulic fluid port P1, bottom righthand side gate oil groove 632, oil pocket 62, valve pocket 5
Upper hydraulic fluid port A1,4 upper hydraulic fluid port A of valve body, finally enters hydraulic cylinder（It is not drawn into figure）Right chamber so that hydraulic cylinder piston moves right
Dynamic, the hydraulic oil of hydraulic cylinder left chamber passes sequentially through the hydraulic fluid port O on valve body 4, valve pocket O1, left upper end oil groove 632, oil pocket 64, valve pocket 5
On hydraulic fluid port B1, the hydraulic fluid port B on valve body 4, into oil return box.
As shown in fig. 6, the driving bottom spool 6 in motor 11 turns over 45 °, high pressure oil passes sequentially through the hydraulic fluid port P on valve body 4,
Hydraulic fluid port P1 on valve pocket 5, the gate oil groove 632 at lower-left end, oil pocket 64, the hydraulic fluid port B1 on valve pocket 5, the hydraulic fluid port B on valve body, then
Into the left oil pocket of hydraulic cylinder so that the piston of hydraulic cylinder moves right.The right oil pocket of hydraulic cylinder enters valve by high-pressure hose
4 upper hydraulic fluid port A of body, the hydraulic fluid port A1 on valve pocket, oil pocket 62, the gate oil groove 632 of upper right side, 5 upper hydraulic fluid port O1 of valve pocket, the oil on valve body
Mouth O, carries out oil return.Under these conditions, the excited frequency of hydraulic cylinder piston is 80Hz, and acceleration peak value reaches,
Exciting displacement reaches 4mm, meets need of work, can reach exciting purpose.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, it is every
All any modification, equivalent and improvement etc. are done within the spirit and principles of the utility model, should be included in the utility model
Within protection domain.
Claims (5)
1. a kind of shaft shoulder type rotary valve, including valve body, spool, valve pocket, which is characterized in that the spool and valve pocket are cylinder,
The spool can be with the relative rotation set in the valve pocket, and be set with valve body described in the spool completed and valve pocket integral assembling
It is interior, include first shaft shoulder, second shaft shoulder, the third shaft shoulder on the spool, second shaft shoulder both ends circumferential direction is provided with 2n
Oil groove, n are equal to 4 or 6 or 8 or 12, and the oil groove includes that n long oil grooves and n short oil slot, the long oil groove and short oil slot are uniform
Interlaced arrangement, and the angle between long oil groove and short oil slot isFirst shaft shoulder and second shaft shoulder, the third shaft shoulder and second
It is provided with oil pocket between the shaft shoulder, two pairs of first hydraulic fluid ports corresponding with oil groove are opened up on the valve pocket, each pair of first hydraulic fluid port
Angle isAnd the quantity of each pair of hydraulic fluid port is 2, opens up the second hydraulic fluid port corresponding with the first hydraulic fluid port on the valve body, described the
Two hydraulic fluid ports can be connected with the first hydraulic fluid port.
2. shaft shoulder type rotary valve as described in claim 1, which is characterized in that n is equal to 4, and the both ends of second shaft shoulder are circumferentially
Direction is provided with 8 oil grooves, and the oil groove includes 4 long oil grooves and 4 short oil slots, long oil groove and short oil slot interlaced arrangement, and
Angle on circumferencial direction is 45 °.
3. shaft shoulder type rotary valve as claimed in claim 2, which is characterized in that the angle of the first hydraulic fluid port is 45 ° on the valve pocket, each pair of
First hydraulic fluid port includes a rectangle hydraulic fluid port and a round hydraulic fluid port.
4. shaft shoulder type rotary valve as claimed in claim 3, which is characterized in that long oil groove is a shape on the spool, short oil slot is
It is semicircle.
5. shaft shoulder type rotary valve as claimed in claim 4, which is characterized in that second hydraulic fluid port is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517431.0U CN207975064U (en) | 2017-11-14 | 2017-11-14 | A kind of shaft shoulder type rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517431.0U CN207975064U (en) | 2017-11-14 | 2017-11-14 | A kind of shaft shoulder type rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975064U true CN207975064U (en) | 2018-10-16 |
Family
ID=63771043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721517431.0U Expired - Fee Related CN207975064U (en) | 2017-11-14 | 2017-11-14 | A kind of shaft shoulder type rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664283A (en) * | 2019-03-05 | 2020-09-15 | 河北蓝器科技有限公司 | Rotary continuous reversing control valve |
-
2017
- 2017-11-14 CN CN201721517431.0U patent/CN207975064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664283A (en) * | 2019-03-05 | 2020-09-15 | 河北蓝器科技有限公司 | Rotary continuous reversing control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20191114 |