CN106286477B - A kind of trimmer valve with hydraulic lock - Google Patents
A kind of trimmer valve with hydraulic lock Download PDFInfo
- Publication number
- CN106286477B CN106286477B CN201610740374.6A CN201610740374A CN106286477B CN 106286477 B CN106286477 B CN 106286477B CN 201610740374 A CN201610740374 A CN 201610740374A CN 106286477 B CN106286477 B CN 106286477B
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- China
- Prior art keywords
- valve
- hydraulic control
- check valve
- liquid outlet
- way
- 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.)
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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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/007—Overload
-
- 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
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
- F15B21/005—Filling or draining of fluid systems
-
- 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
- F15B21/008—Reduction of noise or vibration
-
- 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
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of trimmer valves with hydraulic lock, are mainly made of the first hydraulic control one-way valve, safety valve, the first check valve, the second check valve, third check valve, the 4th check valve, 2/2-way solenoid valve, throttle valve, differential pressure bidirectional hydraulic control valve, the second hydraulic control one-way valve and valve body；First liquid outlet connects the first check valve, and the first check valve connects fuel tank interface and the second check valve respectively, and the second check valve connects the second liquid outlet；First liquid outlet connects third check valve, third check valve connects the first control terminal of the 4th check valve, throttle valve, 2/2-way solenoid valve, differential pressure bidirectional hydraulic control valve respectively, 4th check valve connects the second control terminal of the second liquid outlet, throttle valve difference connection safety valve and differential pressure bidirectional hydraulic control valve.Overloading automatic protection of the present invention, low pressure are freely turned round, and reduce the pressure transient in hydraulic system, are reduced impact of the pressure transient to equipment, are protected Hydraulic Elements.
Description
Technical field
Hydraulic valve field of the present invention, in particular to a kind of trimmer valve with hydraulic lock.
Background technology
As various industrial equipment the degree of automation are higher and higher, various hydraulic systems are widely used in various industrial equipments
In.Hydraulic system possesses small stable drive, light weight, large carrying capacity, stepless time adjustment easy to implement, is easily achieved overload
Protection, simplifies the internal structure of an organization and can realize many merits such as self-lubricate at compound action easy to implement, by everybody like.But
It is that during the use of hydraulic system, the transient change of overload and pressure is impacted very greatly caused by equipment, is easily damaged
Each element in hydraulic system so as to shorten its service life, increases equipment operating cost.
Invention content
The purpose of the present invention is to provide a kind of trimmer valve with hydraulic lock, which reduces liquid
Pressure transient in pressure system reduces impact of the pressure transient to equipment, protects Hydraulic Elements.
The present invention is achieved through the following technical solutions：
A kind of trimmer valve with hydraulic lock, it is characterised in that：The trimmer valve is mainly by the first hydraulic control one-way valve, safety
Valve, the first check valve, the second check valve, third check valve, the 4th check valve, 2/2-way solenoid valve, throttle valve, differential pressure are two-way
Pilot operated valve device, the first liquid outlet, the first inlet, the second liquid outlet, the second hydraulic control one-way valve, the second inlet and valve body composition；
The lower part of the valve body is provided with the first inlet, the first hydraulic control one-way valve, the second inlet and the second hydraulic control one-way valve, described
The top of valve body is provided with third check valve, the 4th check valve and 2/2-way solenoid valve, and the forepart of the valve body is provided with peace
Full valve, the rear portion of the valve body are provided with throttle valve, and the left part of the valve body is provided with the first check valve and the second check valve, institute
The right part for stating valve body is provided with differential pressure bidirectional hydraulic control valve, the first liquid outlet and the second liquid outlet；The first hydraulic control list
The first inlet is connected to valve one end, the other end connects the first liquid outlet；Described second hydraulic control one-way valve one end connection second into
Liquid mouth, the other end connect the second liquid outlet；First liquid outlet connects the first check valve, and the first check valve connects fuel tank respectively
Interface and the second check valve, the second check valve connect the second liquid outlet, which can automatically mend when system generates negative moment
Oil, anti-locking system are emptied；Differential pressure bidirectional hydraulic control valve is connected between first liquid outlet and the second liquid outlet；Described first goes out
Liquid mouth connects third check valve, and it is double that third check valve connects the 4th check valve, throttle valve, 2/2-way solenoid valve, differential pressure respectively
To the first control terminal of pilot operated valve device, the 4th check valve connects the second liquid outlet, and throttle valve difference connection safety valve and differential pressure are two-way
Second control terminal of pilot operated valve device.The trimmer valve overloading automatic protection reduces the pressure transient in hydraulic system, reduces pressure transient
Hydraulic Elements are protected in impact to equipment.
Further, the inlet of first hydraulic control one-way valve connects the control terminal of the second hydraulic control one-way valve, and described second
The inlet of hydraulic control one-way valve connects the control terminal of the first hydraulic control one-way valve.The setting constitutes hydraulic lock, is linked into the system
When, if dynamical system goes wrong, the hypodynamic situation of hydraulic oil pressure, the system can be automatically locked, the machine that will be being moved
Tool component is held in place, and avoids the situation for clamping object falling from high altitude in this case.
Further, first liquid outlet, the first inlet, the second liquid outlet and the second inlet are fitted with quick change
Connector.For the valve when in use can quick access system, save the time, improve working efficiency, save production cost.
Further, the valve body is provided with oil duct to be whole in valve body.The setting of oil duct can make each valve module according to
It needs to be interconnected, makes function expected from trimmer valve realization.
Further, be provided on the valve body the first hydraulic control one-way valve, safety valve, the first check valve, the second check valve,
Third check valve, the 4th check valve, 2/2-way solenoid valve, throttle valve, differential pressure bidirectional hydraulic control valve and the second hydraulic control one-way valve
Mounting hole.Above-mentioned each valve is enable to be mounted on valve body as requested, to realize its function.
Further, first hydraulic control one-way valve, safety valve, the first check valve, the second check valve, third check valve,
4th check valve, 2/2-way solenoid valve, throttle valve, differential pressure bidirectional hydraulic control valve and the second hydraulic control one-way valve pass through respectively with valve body
It is threadedly coupled, junction is provided with glue-leakage-resistant.It is threadedly coupled, simple and practical and satisfaction is easily installed the requirement of detection, fluid sealant
Selection, can be unsintered tape class adhesive tape class product or liquid glue class product, be readily disassembled and meet to meet it
Its seal request to high pressure liquid pressure oil is standard.
For valve body is enable to be fixed on body, the valve body is provided with bolt hole, and valve body is connect by bolt with body.
Compared with prior art, the present invention have the advantage that for：
(1) overloading automatic protection of the present invention, low pressure are freely turned round, and reduce the pressure transient in hydraulic system, reduce pressure
Hydraulic Elements are protected in impact of the transition to equipment.
(2) present invention is when system generates negative moment, can automatic repairing, anti-locking system is emptied.
(3) modularized design of the present invention can carry out module extension.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the principle of the present invention figure.
Wherein：1-the first hydraulic control one-way valve, 2-safety valve, the 3-the first check valve, the 4-the second check valve, 5-third
Check valve, the 6-the four check valve, 7-2/2-way solenoid valve, 8-throttle valve, 9-differential pressure bidirectional hydraulic control valve, 10-the second goes out
Liquid mouth, the 11-the second inlet, the 12-the first liquid outlet, the 13-the second hydraulic control one-way valve, the 14-the first inlet.
Specific embodiment
The present invention is described in further detail, but the implementation of the present invention is not limited to this with reference to embodiment.
Embodiment 1：
As shown in Fig. 2, the defects of present invention is in order to overcome the prior art, devises the invention.
A kind of trimmer valve with hydraulic lock, it is mainly single by the first hydraulic control one-way valve 1, safety valve 2, the first check valve 3, second
Go out to valve 4, third check valve 5, the 4th check valve 6,2/2-way solenoid valve 7, throttle valve 8, differential pressure bidirectional hydraulic control valve 9, first
Liquid mouth 12, the first inlet 14, the second liquid outlet 10, the second hydraulic control one-way valve 13, the second inlet 11 and valve body 15 form；Institute
The lower part for stating valve body 15 is provided with the first inlet 14, the first hydraulic control one-way valve 1, the second inlet 11 and the second hydraulic control one-way valve
13, the top of the valve body 15 is provided with third check valve 5, the 4th check valve 6 and 2/2-way solenoid valve 7, the valve body 15
Forepart be provided with safety valve 2, the rear portion of the valve body 15 is provided with throttle valve 8, and the left part of the valve body 15 is provided with first
3 and second check valve 4 of check valve, the right part of the valve body 15 are provided with differential pressure bidirectional hydraulic control valve 9, the first liquid outlet 12
With the second liquid outlet 10；Described first hydraulic control one-way valve, 1 one end connects the first inlet 14, and the other end connects the first liquid outlet
12；Described second hydraulic control one-way valve, 13 one end connects the second inlet 11, and the other end connects the second liquid outlet 10；Described first goes out
Liquid mouth 12 connects the first check valve 3, and the first check valve 3 connects fuel tank interface and the second check valve 4 respectively, and the second check valve 4 connects
Connect the second liquid outlet 10, the setting can the automatic repairing when system generates negative moment, anti-locking system is emptied；Described first goes out liquid
Differential pressure bidirectional hydraulic control valve 9 is connected between 12 and second liquid outlet 10 of mouth；First liquid outlet 12 connects third check valve 5,
Third check valve 5 connect respectively the 4th check valve 6, throttle valve 8,2/2-way solenoid valve 7, differential pressure bidirectional hydraulic control valve 9 first
Control terminal, the 4th check valve 6 the second liquid outlet 10 of connection, the difference connection safety valve 2 of throttle valve 8 and differential pressure bidirectional hydraulic control valve 9
Second control terminal.The trimmer valve overloading automatic protection reduces the pressure transient in hydraulic system, reduces pressure transient to equipment
Hydraulic Elements are protected in impact.
In use, each valve is mounted on valve body as described above, and valve body is fixed on body.
When service system pressure instantaneous variation, the pressure differential increase at 8 both ends of throttle valve, differential pressure bidirectional hydraulic control valve 9 first
The pressure of control terminal and the pressure differential of the second control end pressure increase, and reach the Opening pressure of differential pressure bidirectional hydraulic control valve 9, differential pressure
Bidirectional hydraulic control valve is opened, and system pressure reduces, and component stable effect is run during reaching unlatching or system pressure instantaneous variation.
When the system is overloaded, system delivers a signal to 2/2-way solenoid valve 7, and 2/2-way solenoid valve 7 is opened pressure release, reached
To the effect of overloading automatic protection.
When system generates negative moment, system, to fuel tank oil suction, prevents from inhaling by the first check valve 3 or the second check valve 4
It is empty.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to
According to the present invention technical spirit above example is made any simple modification, equivalent variations, each fall within the present invention protection
Within the scope of.
Claims (7)
1. a kind of trimmer valve with hydraulic lock, it is characterised in that：The trimmer valve is mainly by the first hydraulic control one-way valve (1), safety
Valve (2), the first check valve (3), the second check valve (4), third check valve (5), the 4th check valve (6), 2/2-way solenoid valve
(7), throttle valve (8), differential pressure bidirectional hydraulic control valve (9), the first liquid outlet (12), the first inlet (14), the second liquid outlet (10),
Second hydraulic control one-way valve (13), the second inlet (11) and valve body (15) composition；The lower part of the valve body (15) is provided with first
Inlet (14), the first hydraulic control one-way valve (1), the second inlet (11) and the second hydraulic control one-way valve (13), the valve body (15)
Top be provided with third check valve (5), the 4th check valve (6) and 2/2-way solenoid valve (7), the forepart of the valve body (15)
Safety valve (2) is provided with, the rear portion of the valve body (15) is provided with throttle valve (8), and the left part of the valve body (15) is provided with
One check valve (3) and the second check valve (4), the right part of the valve body (15) are provided with differential pressure bidirectional hydraulic control valve (9),
One liquid outlet (12) and the second liquid outlet (10)；Described first hydraulic control one-way valve (1) one end connects the first inlet (14), another
End the first liquid outlet of connection (12)；Described second hydraulic control one-way valve (13) one end connects the second inlet (11), other end connection
Second liquid outlet (10)；First liquid outlet (12) connects the first check valve (3), and the first check valve (3) connects fuel tank respectively
Interface and the second check valve (4), the second check valve (4) connect the second liquid outlet (10)；First liquid outlet (12) and second
Differential pressure bidirectional hydraulic control valve (9) is connected between liquid outlet (10)；First liquid outlet (12) the connection third check valve (5), the
Three check valves (5) connect the 4th check valve (6), throttle valve (8), 2/2-way solenoid valve (7), differential pressure bidirectional hydraulic control valve respectively
(9) the first control terminal, the 4th check valve (6) connect the second liquid outlet (10), throttle valve (8) respectively connection safety valve (2) and
Second control terminal of differential pressure bidirectional hydraulic control valve (9).
2. a kind of trimmer valve with hydraulic lock according to claim 1, it is characterised in that：First hydraulic control one-way valve
(1) inlet connects the control terminal of the second hydraulic control one-way valve (13), and the inlet of second hydraulic control one-way valve (13) connects first
The control terminal of hydraulic control one-way valve (1).
3. a kind of trimmer valve with hydraulic lock according to claim 1, it is characterised in that：First liquid outlet (12),
First inlet (14), the second liquid outlet (10) and the second inlet (11) are fitted with quick-release connector.
4. a kind of trimmer valve with hydraulic lock according to claim 1, it is characterised in that：The valve body (15) is entirety,
Valve body is provided with oil duct in (15).
5. a kind of trimmer valve with hydraulic lock according to claim 1, it is characterised in that：It is provided on the valve body (15)
First hydraulic control one-way valve (1), safety valve (2), the first check valve (3), the second check valve (4), third check valve (5), the 4th list
To the peace of valve (6), 2/2-way solenoid valve (7), throttle valve (8), differential pressure bidirectional hydraulic control valve (9) and the second hydraulic control one-way valve (13)
Fill hole.
6. a kind of trimmer valve with hydraulic lock according to claim 1, it is characterised in that：First hydraulic control one-way valve
(1), safety valve (2), the first check valve (3), the second check valve (4), third check valve (5), the 4th check valve (6), two two
Three-way electromagnetic valve (7), throttle valve (8), differential pressure bidirectional hydraulic control valve (9) and the second hydraulic control one-way valve (13) pass through respectively with valve body (15)
It is threadedly coupled, junction is provided with glue-leakage-resistant.
7. a kind of trimmer valve with hydraulic lock according to claim 1, it is characterised in that：The valve body (15) is provided with spiral shell
Keyhole, valve body (15) are connect by bolt with body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740374.6A CN106286477B (en) | 2016-08-26 | 2016-08-26 | A kind of trimmer valve with hydraulic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610740374.6A CN106286477B (en) | 2016-08-26 | 2016-08-26 | A kind of trimmer valve with hydraulic lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286477A CN106286477A (en) | 2017-01-04 |
| CN106286477B true CN106286477B (en) | 2018-06-26 |
Family
ID=57677578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610740374.6A Active CN106286477B (en) | 2016-08-26 | 2016-08-26 | A kind of trimmer valve with hydraulic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286477B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3658090A (en) * | 1970-04-27 | 1972-04-25 | Marotta Scientific Controls | Hydraulic lock valve with flow control |
| CN1350126A (en) * | 2001-12-10 | 2002-05-22 | 卢永松 | Rotary buffering valve |
| CN102878141A (en) * | 2012-10-27 | 2013-01-16 | 郑州宇通重工有限公司 | Combined type rotary motor reversion-preventing buffering balanced valve |
| CN203146485U (en) * | 2013-03-27 | 2013-08-21 | 江苏柳工机械有限公司 | Buffer device of hydraulic system |
| CN103470572A (en) * | 2013-09-10 | 2013-12-25 | 浙江苏强格液压股份有限公司 | Hydraulic lock assembly and bidirectional hydraulic lock comprising same |
| CN104214154A (en) * | 2014-08-11 | 2014-12-17 | 徐州徐工液压件有限公司 | Rotating buffer valve |
| CN204783909U (en) * | 2015-06-18 | 2015-11-18 | 上海彭浦机器厂有限公司 | Crawler -mounted excavator integrated form cushion valve |
| CN105134091A (en) * | 2015-10-15 | 2015-12-09 | 海城市石油机械制造有限公司 | Lifting and lowering buffer control device for derrick of drilling machine and use method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3796458B2 (en) * | 2002-03-13 | 2006-07-12 | カヤバ工業株式会社 | Damping valve |
-
2016
- 2016-08-26 CN CN201610740374.6A patent/CN106286477B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3658090A (en) * | 1970-04-27 | 1972-04-25 | Marotta Scientific Controls | Hydraulic lock valve with flow control |
| CN1350126A (en) * | 2001-12-10 | 2002-05-22 | 卢永松 | Rotary buffering valve |
| CN102878141A (en) * | 2012-10-27 | 2013-01-16 | 郑州宇通重工有限公司 | Combined type rotary motor reversion-preventing buffering balanced valve |
| CN203146485U (en) * | 2013-03-27 | 2013-08-21 | 江苏柳工机械有限公司 | Buffer device of hydraulic system |
| CN103470572A (en) * | 2013-09-10 | 2013-12-25 | 浙江苏强格液压股份有限公司 | Hydraulic lock assembly and bidirectional hydraulic lock comprising same |
| CN104214154A (en) * | 2014-08-11 | 2014-12-17 | 徐州徐工液压件有限公司 | Rotating buffer valve |
| CN204783909U (en) * | 2015-06-18 | 2015-11-18 | 上海彭浦机器厂有限公司 | Crawler -mounted excavator integrated form cushion valve |
| CN105134091A (en) * | 2015-10-15 | 2015-12-09 | 海城市石油机械制造有限公司 | Lifting and lowering buffer control device for derrick of drilling machine and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286477A (en) | 2017-01-04 |
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