CN109611406A - A kind of hydraulicdirectional control valve - Google Patents
A kind of hydraulicdirectional control valve Download PDFInfo
- Publication number
- CN109611406A CN109611406A CN201910027449.XA CN201910027449A CN109611406A CN 109611406 A CN109611406 A CN 109611406A CN 201910027449 A CN201910027449 A CN 201910027449A CN 109611406 A CN109611406 A CN 109611406A
- Authority
- CN
- China
- Prior art keywords
- spool
- valve
- valve body
- control valve
- hydraulicdirectional control
- 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.)
- Granted
Links
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
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/041—Valve members; Fluid interconnections therefor with two positions
Abstract
The length of a kind of hydraulicdirectional control valve disclosed by the invention, including instrumentation tubes, instrumentation tubes offers square valve pool to surface, and valve pool has been embedded in valve body, and spool is equipped in valve body, and spool can move in valve body.A kind of hydraulicdirectional control valve of the invention facilitates pipeline operations by the way that valve body, spool and valve seat to be uniformly integrated in instrumentation tubes；The hydraulic chamber of the shape of a saddle is formed between the plunger and valve body of spool, convenient for the influence of the flowing of high-voltage high-speed liquid；The second annular groove being arranged on spool reduces influence of the radial force to valve commutation ability；Design triangle shape throttling channel on spool reduces influence of the instantaneous hydraulic dynamics to valve commutation ability.A kind of hydraulicdirectional control valve of the invention, can be integrated in instrumentation tubes, facilitate pipeline operations, easy to operate.
Description
Technical field
The invention belongs to pipeline hydraulic equipment technical fields, and in particular to a kind of hydraulicdirectional control valve.
Background technique
In pipeline hydraulic machinery field, pipe robot is assembled into usually using helicoid hydraulic motor enters inside pipeline and made
Industry is protruded into inside pipeline, specifically using several screwed work pipe nipple connections wherein being integrated with hydraulic pressure system in the pipe nipple that works
System and control system etc..Due to the limitation of complex work environment in the diameter and pipeline of pipeline, the liquid being integrated in helicoid hydraulic motor
The components such as pressure system need to carry out special designing, and standard requirements are higher.
The structure of Normal hydraulic reversal valve is independent valve seat and valve body, it is difficult to is integrated in helicoid hydraulic motor.Due to pipeline
Interior environment is complicated, and hydraulic pump transportation work fluid path Cheng Yuan, the pressure of the pumping of working solution is big, the working solution flowing in hydraulic system
Fastly, when leading to treatment fluid flow through valve port, the variation of flow direction and flowing velocity causes the variation of liquid momentum, on spool by
The effect of hydraulic power, and the direction of hydraulic power can prevent spool mobile, increase the difficulty of manipulation spool.
There are the gaps of very little between the spool and valve body of reversal valve, and in the case where high pressure high flow rate, liquid can be into
Enter gap and radial hydraulic pressure is generated to spool, when the hydraulic radial that reversal valve causes spool to be subject to because of foozle and rigging error
When power is unevenly distributed, spool can generate shaking on the move, or even dry friction occurs with valve body and then leads to spool clamping.
Summary of the invention
The purpose of the present invention is to provide a kind of hydraulicdirectional control valve, complicated operating condition can adapt to, and using safe and stable
Property it is high, maintenance is simple.
The technical scheme adopted by the invention is that: the length of a kind of hydraulicdirectional control valve, including instrumentation tubes, instrumentation tubes is opened to surface
Equipped with square valve pool, valve pool has been embedded in valve body, and spool is equipped in valve body, and spool can move in valve body.
The features of the present invention also characterized in that:
Spool both ends are arranged with split ring；
The two sides of valve body are equipped with third annular groove, which is embedded in split ring.
Valve body both ends have been connected by screw to limit sprue.
The peripheral surface for limiting sprue is equipped with first annular groove, which is embedded with the first sealing ring.
Valve pool both ends are equipped with step, and voussoir has been bolted at the step, and voussoir is in contact with limit sprue.
Valve body is trapezoidal, and each inclined-plane corresponding matching of valve body presses voussoir.
Spool is equipped with the plunger of protrusion.
The quantity of plunger is no less than a；
Saddle type is used between each plunger of spool.
Two end plugs of spool are equipped with triangular form throttling channel.
The side of instrumentation tubes be respectively arranged with spool adjust mouth K, spool adjust mouth K, actuator port A, actuator port B and into
Hydraulic fluid port P；Spool adjusts mouth K and spool adjusts the both ends that mouth K is located at instrumentation tubes；Actuator port A, actuator port B, oil inlet P are set
It sets at the middle part of instrumentation tubes, and oil inlet P is arranged between actuator port A and actuator port B；
The other side of instrumentation tubes is set there are two unloading port T；
Spool adjust mouth K, spool adjust mouth K, actuator port A, actuator port B, oil inlet P, Liang Ge unloading port T, with
Valve body is connected.
The beneficial effects of the present invention are: a kind of hydraulicdirectional control valve of the invention, by the way that valve body, spool are uniformly integrated in work
In managing, facilitate pipeline operations；Spool can move in valve body, easy to accomplish can commutate, easy to operate；The plunger of spool
The hydraulic chamber that the shape of a saddle is formed between valve body, convenient for the flowing of high-voltage high-speed liquid, while can prevent high pressure height stream
In the case where speed, spool generates sliding；The second annular groove being arranged on spool reduces radial force to the shadow of commutation valve performance
It rings；Design triangle shape throttling channel on spool reduces influence of the instantaneous hydraulic dynamics to valve commutation ability.One kind of the invention is hydraulic to change
It to valve, can be integrated in instrumentation tubes, facilitate pipeline operations, easy maintenance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hydraulicdirectional control valve of the present invention；
Fig. 2 is a kind of valve core structure schematic diagram of hydraulicdirectional control valve of the present invention；
Fig. 3 is a kind of first time commutation station schematic diagram of hydraulicdirectional control valve of the present invention；
Fig. 4 is a kind of second of commutation station schematic diagram of hydraulicdirectional control valve of the present invention.
In figure: 1. instrumentation tubes, 2. voussoirs, 3. limit sprues, 4. split rings, 5. valve pools, 6. spools, 6-1. plunger, 7. valves
Body, 8. first sealing rings.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The present invention provides a kind of hydraulicdirectional control valves, as shown in Figure 1, including instrumentation tubes 1, the length of instrumentation tubes 1 is opened to surface
Equipped with square valve pool 5, square valve pool 5 has been embedded in valve body 7, and spool 6 is equipped in valve body 7, and spool 6 can move in valve body 7
It is dynamic.
6 both ends of spool are arranged with split ring 4；When spool 6 moves in valve body 7, the split ring 4 determines spool 6
Position.
The two sides of valve body 7 are equipped with third annular groove, and the third annular groove is for being embedded in the opening being set on spool 6
Ring 4.
The both ends of valve body 7 are equipped with limit sprue 3 by screw, and the limit sprue 3 is for limiting spool 6 in valve body 7
Interior range.
5 both ends of square valve pool are equipped with step, and voussoir 2 has been bolted at the step, the voussoir 2 and limit sprue
3 are in contact.
Valve body 7 is trapezoidal, and each inclined-plane corresponding matching of valve body 7 presses voussoir 2.It can prevent valve body 7 from existing using voussoir 2
It is moved on square valve pool 5.
The peripheral surface for limiting sprue 3 is equipped with first annular groove, is embedded with the first sealing ring 8 in first annular groove,
First sealing ring 8 prevents leakage.
As shown in Fig. 2, spool 6 is equipped with the plunger 6-1 of protrusion, the peripheral surface of plunger 6-1 is equipped with second annular groove,
The second annular groove is to reduce influence of the radial force to commutation valve performance.
The quantity of plunger 6-1 is no less than 3.
Two end plug 6-1 of spool 6 are equipped with triangular form throttling channel, which reduces instantaneous hydraulic dynamics to valve performance
It influences.
As depicted in figs. 1 and 2, saddle type, the saddle type valve core structure and 7 row of valve body are used between each plunger 6-1 of spool 6
Journey special type hydraulic cavities, convenient for the disengaging of high pressure high flow rate liquid.
The side of instrumentation tubes 1 is respectively arranged with spool and adjusts mouth K1, spool adjusting mouth K2, actuator port A, actuator port B
And oil inlet P；Spool adjusts mouth K1 and spool adjusts the both ends that mouth K2 is located at instrumentation tubes 1；Actuator port A, actuator port B, into
The intermediate position of instrumentation tubes 1 is arranged in hydraulic fluid port P, and oil inlet P is arranged between actuator port A and actuator port B；
The other side of instrumentation tubes 1 is set there are two unloading port T；
Spool adjusts mouth K1, spool adjusts mouth K2, actuator port A, actuator port B, oil inlet P, Liang Ge unloading port T,
It is connected with valve body 7；
Spool adjusts mouth K1, spool adjusts the connection of mouth K2, actuator port A, actuator port B, oil inlet P with valve body 7
It is equipped with the second sealing ring at mouthful, is equipped with filter screen at Liang Ge unloading port T.
A kind of workflow of hydraulicdirectional control valve of the present invention:
1. commutating for the first time: when hydraulicdirectional control valve commutates for the first time, as shown in Figure 1, when spool adjusts mouth K1 feed liquor, valve
Core 6 promotes to the right, and internal cavity space contraction, the pressure increase of hydraulic cavities, actuator port A is connected to oil inlet P at this time, work
The working solution for making hydraulic fluid port B is flowed out from unloading port T, and after spool 6 struts split ring 4, spool 6 is moved on, after split ring 4 reduces
Spool 6 is positioned, reversal valve is in commutation station 3 at this time, as shown in figure 3, oil inlet P is connected to actuator port B at this time,
Actuator port A is connected to pressure relief opening T, actuator port A connected hydraulic pipeline pressure release, working solution by oil inlet P from chamber into
Enter actuator port B, into hydraulic system.
2. second of commutation:
When reversal valve commutates for the second time, spool adjusts mouth K2 feed liquor, and spool 6 pushes back, and spool 6 struts the return of split ring 4,
Split ring 4 positions spool 6 after reducing, at this point, reversal valve is in commutation station 4.As shown in figure 4, at this time oil inlet P and
Actuator port A connection, actuator port B be connected to pressure relief opening T, the hydraulic pipeline pressure release that actuator port B is connected, working solution by into
Hydraulic fluid port P enters actuator port A from chamber, into hydraulic system.
By the above-mentioned means, a kind of hydraulicdirectional control valve of the invention, by the way that valve body 7, spool 6 are uniformly integrated in instrumentation tubes
In 1, facilitate pipeline operations；Spool 6 can move in valve body 7, easy to accomplish can commutate, easy to operate；The plunger of spool 6
The hydraulic chamber that the shape of a saddle is formed between 6-1 and valve body 7, convenient for the flowing of high-voltage high-speed liquid, while can prevent high pressure
In the case where high flow rate, spool 6 generates sliding；The second annular groove being arranged on spool 6 reduces radial force to commutation valve performance
Influence；Design triangle shape throttling channel on spool 6 reduces influence of the instantaneous hydraulic dynamics to valve commutation ability.One kind of the invention
Hydraulicdirectional control valve can be integrated in instrumentation tubes 1, facilitate pipeline operations, easy maintenance.
Claims (10)
1. a kind of hydraulicdirectional control valve, which is characterized in that including instrumentation tubes (1), the length of the instrumentation tubes (1) is to the surface side of offering
Type valve pool (5), the valve pool (5) have been embedded in valve body (7), are equipped with spool (6) in the valve body (7), spool (6) energy
It is enough to be moved in the valve body (7).
2. a kind of hydraulicdirectional control valve as described in claim 1, which is characterized in that spool (6) both ends are arranged with split ring
(4)；
The two sides of the valve body (7) are equipped with third annular groove, which is embedded in the split ring (4).
3. a kind of hydraulicdirectional control valve as claimed in claim 1 or 2, which is characterized in that valve body (7) both ends pass through screw
It is connected with limit sprue (3).
4. a kind of hydraulicdirectional control valve as claimed in claim 3, which is characterized in that the peripheral surface of limit sprue (3) is set
There is first annular groove, which is embedded with the first sealing ring (8).
5. a kind of hydraulicdirectional control valve as claimed in claim 3, which is characterized in that valve pool (5) both ends are equipped with step, this
It has been bolted at rank voussoir (2), the voussoir (2) is in contact with the limit sprue (3).
6. a kind of hydraulicdirectional control valve as claimed in claim 5, which is characterized in that the valve body (7) is trapezoidal, the valve body
(7) each inclined-plane corresponding matching presses the voussoir (2).
7. a kind of hydraulicdirectional control valve as described in claim 1, which is characterized in that the spool (6) is equipped with the plunger of protrusion
(6-1)。
8. a kind of hydraulicdirectional control valve as claimed in claim 7, which is characterized in that the quantity of the plunger (6-1) is no less than 3
It is a；
Saddle type is used between each plunger 6-1 of the spool (6).
9. a kind of hydraulicdirectional control valve as claimed in claim 7 or 8, which is characterized in that two end plug (6- of the spool (6)
1) it is equipped with triangular form throttling channel.
10. a kind of hydraulicdirectional control valve as described in claim 1, which is characterized in that the side of the instrumentation tubes (1) is respectively set
There is spool to adjust mouth K1, spool adjusting mouth K2, actuator port A, actuator port B and oil inlet P；The spool adjusts mouth K1 and institute
It states spool and adjusts the both ends that mouth K2 is located at the instrumentation tubes (1)；The actuator port A, the actuator port B, the oil inlet P
Middle part in the instrumentation tubes (1) is set, and oil inlet P setting the actuator port A and actuator port B it
Between；
The other side of the instrumentation tubes (1) is set there are two unloading port T；
The spool adjusts mouth K1, the spool adjusts mouth K2, the actuator port A, the actuator port B, the oil inlet
P, two unloading port T are connected with the valve body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910027449.XA CN109611406B (en) | 2019-01-11 | 2019-01-11 | Hydraulic reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910027449.XA CN109611406B (en) | 2019-01-11 | 2019-01-11 | Hydraulic reversing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109611406A true CN109611406A (en) | 2019-04-12 |
| CN109611406B CN109611406B (en) | 2020-11-17 |
Family
ID=66016632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910027449.XA Active CN109611406B (en) | 2019-01-11 | 2019-01-11 | Hydraulic reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611406B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2839687Y (en) * | 2005-07-22 | 2006-11-22 | 上海立新液压有限公司 | Two-position six-way guiding reversing valve |
| CN201155492Y (en) * | 2008-01-22 | 2008-11-26 | 山东法因数控机械股份有限公司 | Mechanical servo valve and hydraulic circuit applying same |
| CN201155592Y (en) * | 2008-02-26 | 2008-11-26 | 谢蔚敏 | Hydraulic change-over valve |
| CN201265571Y (en) * | 2008-10-08 | 2009-07-01 | 上海立新液压有限公司 | Novel hydraulic reversing valve |
| CN201836134U (en) * | 2010-05-11 | 2011-05-18 | 上海华岛液压设备制造有限公司 | Manual reversing valve |
| CN102297171A (en) * | 2010-07-30 | 2011-12-28 | 三一重工股份有限公司 | Hydraulic valve, hydraulic valve group and hydraulic valve control method |
| CN205592212U (en) * | 2016-04-22 | 2016-09-21 | 济南弋泽展特机械有限公司 | Valve member convenient to installation |
-
2019
- 2019-01-11 CN CN201910027449.XA patent/CN109611406B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2839687Y (en) * | 2005-07-22 | 2006-11-22 | 上海立新液压有限公司 | Two-position six-way guiding reversing valve |
| CN201155492Y (en) * | 2008-01-22 | 2008-11-26 | 山东法因数控机械股份有限公司 | Mechanical servo valve and hydraulic circuit applying same |
| CN201155592Y (en) * | 2008-02-26 | 2008-11-26 | 谢蔚敏 | Hydraulic change-over valve |
| CN201265571Y (en) * | 2008-10-08 | 2009-07-01 | 上海立新液压有限公司 | Novel hydraulic reversing valve |
| CN201836134U (en) * | 2010-05-11 | 2011-05-18 | 上海华岛液压设备制造有限公司 | Manual reversing valve |
| CN102297171A (en) * | 2010-07-30 | 2011-12-28 | 三一重工股份有限公司 | Hydraulic valve, hydraulic valve group and hydraulic valve control method |
| CN205592212U (en) * | 2016-04-22 | 2016-09-21 | 济南弋泽展特机械有限公司 | Valve member convenient to installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109611406B (en) | 2020-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203335872U (en) | Secondary sealing stop valve | |
| CN205278474U (en) | Pressurized construction of overflow valve | |
| CN112228596A (en) | One-way valve with one-way fluid acceleration function | |
| CN110375091A (en) | A kind of lightweight change valve and reversal valve based on SLM technology | |
| CN209671300U (en) | A kind of pipe robot hydraulicdirectional control valve | |
| CN109611406A (en) | A kind of hydraulicdirectional control valve | |
| CN205155231U (en) | Pressure balance type fixes ball valve | |
| CN206682400U (en) | A kind of step direct-acting type electromagnetic driven stop valve | |
| CN104675423B (en) | Two-channel kiloliter-level large-flow reversing valve | |
| CN203516830U (en) | High-pressure balanced type three-way control valve | |
| CN105422537B (en) | Pressure-increasing overflow valve | |
| CN104033438A (en) | Multi-functional hydraulic-jamming preventing pilot valve for electro-hydraulic directional valve | |
| CN109764018B (en) | Multi-way valve with unloading and oil return logic functions in working piece | |
| CN204344570U (en) | Multistage Double-action reciprocating cylinder assembly | |
| CN207750528U (en) | A kind of five-way valve | |
| CN109296575B (en) | Pilot control type switch valve | |
| CN208619439U (en) | A kind of magnetorheological hydraulic lock with wedge valve | |
| CN209444647U (en) | A kind of oil way valve block device for a hydraulic station control multiple hydraulic cylinders | |
| CN206346979U (en) | A kind of modified logical valve | |
| CN217950841U (en) | One-way throttling pressure retaining valve | |
| CN216975867U (en) | Three-way stop valve | |
| CN220151966U (en) | Double-sealing one-way combined valve | |
| CN204985868U (en) | Small -bore high -pressure axial -flow type check valve | |
| CN205423374U (en) | Cross bridge type multiple directional control valve | |
| CN204459338U (en) | Reduction valve |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220623 Address after: 101100 room 221, building 14, tuanli new village, Songzhuang Town, Tongzhou District, Beijing Patentee after: Beijing chuhai Technology Co.,Ltd. Address before: 710048 No. 5 Jinhua South Road, Shaanxi, Xi'an Patentee before: XI'AN University OF TECHNOLOGY |
|
| TR01 | Transfer of patent right |