CN106286477A - A kind of trimmer valve of band hydraulic lock - Google Patents
A kind of trimmer valve of band hydraulic lock Download PDFInfo
- Publication number
- CN106286477A CN106286477A CN201610740374.6A CN201610740374A CN106286477A CN 106286477 A CN106286477 A CN 106286477A CN 201610740374 A CN201610740374 A CN 201610740374A CN 106286477 A CN106286477 A CN 106286477A
- Authority
- CN
- 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.)
- Granted
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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 the trimmer valve of a kind of band hydraulic lock, be mainly made up of the first hydraulic control one-way valve, relief valve, the first check valve, the second check valve, the 3rd check valve, the 4th check valve, 2/2-way battery valve, choke valve, differential pressure bidirectional hydraulic control valve, the second hydraulic control one-way valve and valve body；Described 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；Described first liquid outlet connects the 3rd check valve, 3rd check valve connects the first control end of the 4th check valve, choke valve, 2/2-way battery valve, the 4th check valve and differential pressure bidirectional hydraulic control valve respectively, 4th check valve connects the second liquid outlet, choke valve connection safety valve respectively and the second control end of differential pressure bidirectional hydraulic control valve.Overloading automatic protection of the present invention, low pressure is freely turned round, and reduces the pressure transient in hydraulic system, reduces the pressure transient impact to equipment, protects Hydraulic Elements.
Description
Technical field
Hydraulic valve field of the present invention, specifically refers to the trimmer valve of a kind of band hydraulic lock.
Background technology
Along with various industrial equipment automaticities are more and more higher, various hydraulic systems are widely used in various industrial equipment
In.Hydraulic system has that stable drive, light weight volume be little, bearing capacity greatly, easily realizes stepless time adjustment, is easily achieved overload
Protect, easily realize compound action, simplify the internal structure of an organization and be capable of the many merits such as self-lubricate, extensively liked by everybody.But
Be, hydraulic system use during, the impact that equipment is caused by overload and the transient change of pressure is very big, is easily damaged
Each element in hydraulic system, thus shorten its service life, increase equipment operating cost.
Summary of the invention
It is an object of the invention to provide the trimmer valve of a kind of band hydraulic lock, this trimmer valve overloading automatic protection, reduce liquid
Pressure transient in pressure system, reduces the pressure transient impact to equipment, protects Hydraulic Elements.
The present invention is achieved through the following technical solutions:
A kind of trimmer valve of band hydraulic lock, it is characterised in that: described trimmer valve is mainly by the first hydraulic control one-way valve, safety
Valve, the first check valve, the second check valve, the 3rd check valve, the 4th check valve, 2/2-way battery valve, choke 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 bottom of described 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 the 3rd check valve, the 4th check valve and 2/2-way battery valve, and the front portion of described valve body is provided with peace
Full valve, the rear portion of described valve body is provided with choke valve, and the left part of described valve body is provided with the first check valve and the second check valve, institute
The right part stating valve body is provided with differential pressure bidirectional hydraulic control valve, the first liquid outlet and the second liquid outlet；Described first hydraulic control list
Connecting the first inlet to valve one end, the other end connects the first liquid outlet；Described second hydraulic control one-way valve one end connects second and enters
Liquid mouth, the other end connects the second liquid outlet；Described 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 connects the second liquid outlet, and this is arranged can mend automatically when system produces negative moment
Oil, anti-locking system is emptied；Connect between described first liquid outlet and the second liquid outlet and have differential pressure bidirectional hydraulic control valve；Described first goes out
Liquid mouth connects the 3rd check valve, and the 3rd check valve connects the 4th check valve, choke valve, 2/2-way battery valve, the 4th list respectively
To valve and the first control end of differential pressure bidirectional hydraulic control valve, the 4th check valve connects the second liquid outlet, choke valve attachment security respectively
Valve and the second control end of differential pressure bidirectional hydraulic control valve.This trimmer valve overloading automatic protection, reduces the pressure transient in hydraulic system,
Reduce the pressure transient impact to equipment, protect Hydraulic Elements.
Further, the inlet of described first hydraulic control one-way valve connects the control end of the second hydraulic control one-way valve, and described second
The inlet of hydraulic control one-way valve connects the control end of the first hydraulic control one-way valve.This setting constitutes hydraulic lock, is linked in this system
Time, if dynamical system goes wrong, the hypodynamic situation of hydraulic oil pressure, this system can be automatically locked, the machine that will moving
Tool parts are held in place, it is to avoid clamp the situation of object falling from high altitude in the case of should.
Further, described first liquid outlet, the first inlet, the second liquid outlet and the second inlet are fitted with quick change
Joint.For this valve in use can quick access system, save the time, improve work efficiency, save production cost.
Further, described valve body is overall, is provided with oil duct in valve body.The arranging of oil duct can make each valve module according to
Needs are interconnected, and make this trimmer valve realize intended function.
Further, described valve body is provided with the first hydraulic control one-way valve, relief valve, the first check valve, the second check valve,
3rd check valve, the 4th check valve, 2/2-way battery valve, choke valve, differential pressure bidirectional hydraulic control valve and the second hydraulic control one-way valve
Installing hole.Above-mentioned each valve is enable to be arranged on as requested on valve body, to realize its function.
Further, described first hydraulic control one-way valve, relief valve, the first check valve, the second check valve, the 3rd check valve,
4th check valve, 2/2-way battery valve, choke valve, differential pressure bidirectional hydraulic control valve and the second hydraulic control one-way valve pass through with valve body respectively
Threaded, junction is provided with glue-leakage-resistant.Threaded, the simple and practical and satisfied requirement being easily installed detection, fluid sealant
Selection, can be the adhesive tape series products of unsintered tape class, it is also possible to be liquid glue series products, with meet its be readily disassembled and meet
It is standard to the seal request of high pressure liquid force feed.
For enabling valve body to be fixed on body, described valve body is provided with bolt hole, and valve body is connected with body by bolt.
The present invention compared with prior art, has the beneficial effect that
(1) overloading automatic protection of the present invention, low pressure is freely turned round, and reduces the pressure transient in hydraulic system, reduces pressure
The transition impact to equipment, protects Hydraulic Elements.
(2) present invention system produce negative moment time, can repairing automatically, anti-locking system is emptied.
(3) modularized design of the present invention, can carry out module extension.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic diagram of the present invention.
Wherein: 1 first hydraulic control one-way valve, 2 relief valve, 3 first check valves, 4 second check valves, 5 the 3rd
Check valve, 6 the 4th check valves, 7 2/2-way battery valves, 8 choke valves, 9 differential pressure bidirectional hydraulic control valves, 10 second go out
Liquid mouth, 11 second inlets, 12 first liquid outlets, 13 second hydraulic control one-way valves, 14 first inlets.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As in figure 2 it is shown, the present invention is in order to overcome the defect of prior art, devise this invention.
The trimmer valve of a kind of band hydraulic lock, mainly by the first hydraulic control one-way valve 1, relief valve the 2, first check valve the 3, second list
Go out to valve the 4, the 3rd check valve the 5, the 4th check valve 6,2/2-way battery valve 7, choke valve 8, differential pressure bidirectional hydraulic control valve 9, first
Liquid mouth the 12, first inlet the 14, second liquid outlet the 10, second hydraulic control one-way valve the 13, second inlet 11 and valve body 15 form；Institute
The bottom stating valve body 15 is provided with the first inlet the 14, first hydraulic control one-way valve the 1, second inlet 11 and the second hydraulic control one-way valve
13, the top of described valve body 15 is provided with the 3rd check valve the 5, the 4th check valve 6 and 2/2-way battery valve 7, described valve body 15
Front portion be provided with relief valve 2, the rear portion of described valve body 15 is provided with choke valve 8, and the left part of described valve body 15 is provided with first
Check valve 3 and the second check valve 4, the right part of described valve body 15 is provided with differential pressure bidirectional hydraulic control valve the 9, 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 is even
Connect the second liquid outlet 10, this arrange can system produce negative moment time automatic repairing, anti-locking system is emptied；Described first goes out liquid
Connect between mouth 12 and the second liquid outlet 10 and have differential pressure bidirectional hydraulic control valve 9；Described first liquid outlet 12 connects the 3rd check valve 5,
It is two-way that 3rd check valve 5 connects the 4th check valve 6, choke valve 8,2/2-way battery valve the 7, the 4th check valve 6 and differential pressure respectively
First control end of pilot operated valve device 9, the 4th check valve 6 connects the second liquid outlet 10, choke valve 8 connection safety valve 2 and differential pressure respectively
Second control end of bidirectional hydraulic control valve 9.This trimmer valve overloading automatic protection, reduces the pressure transient in hydraulic system, reduces pressure
The power transition impact to equipment, protects Hydraulic Elements.
During use, as described above each valve is arranged on valve body, and valve body is fixed on body.
When service system pressure instantaneous variation, the pressure differential at choke valve 8 two ends increases, differential pressure bidirectional hydraulic control valve 9 first
The pressure differential of the pressure and the second control end pressure that control end increases, and reaches the unlatching pressure of differential pressure bidirectional hydraulic control valve 9, differential pressure
Bidirectional hydraulic control valve is opened, and system pressure reduces, and runs parts stable effect during to reach unlatching or system pressure instantaneous variation.
When the system is overloaded, systems communicate signal is opened pressure release to 2/2-way battery valve 7,2/2-way battery valve 7, is reached
Effect to overloading automatic protection.
When system produces negative moment, system, prevents from inhaling to fuel tank oil suction by the first check valve 3 or the second check valve 4
Empty.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every depends on
Any simple modification of being made above example according to the technical spirit of the present invention, equivalent variations, each fall within the protection of the present invention
Within the scope of.
Claims (7)
1. the trimmer valve of a band hydraulic lock, it is characterised in that: described 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), the 3rd check valve (5), the 4th check valve (6), 2/2-way battery valve
(7), choke 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 bottom of described 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), described valve body (15)
Top be provided with the 3rd check valve (5), the 4th check valve (6) and 2/2-way battery valve (7), the front portion of described valve body (15)
Being provided with relief valve (2), the rear portion of described valve body (15) is provided with choke valve (8), and the left part of described valve body (15) is provided with
One check valve (3) and the second check valve (4), the right part of described valve body (15) be 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 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
Second liquid outlet (10)；Described 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) connects the second liquid outlet (10)；Described first liquid outlet (12) and second
Connect between liquid outlet (10) and have differential pressure bidirectional hydraulic control valve (9)；Described first liquid outlet (12) connects the 3rd check valve (5), the
Three check valves (5) connect respectively the 4th check valve (6), choke valve (8), 2/2-way battery valve (7), the 4th check valve (6) and
First control end of differential pressure bidirectional hydraulic control valve (9), the 4th check valve (6) connects the second liquid outlet (10), and choke valve (8) connects respectively
Connect the second control end of relief valve (2) and differential pressure bidirectional hydraulic control valve (9).
The trimmer valve of a kind of band hydraulic lock the most according to claim 1, it is characterised in that: described first hydraulic control one-way valve
(1) inlet connects the control end of the second hydraulic control one-way valve (13), and the inlet of described second hydraulic control one-way valve (13) connects first
The control end of hydraulic control one-way valve (1).
The trimmer valve of a kind of band hydraulic lock the most according to claim 1, it is characterised in that: described first liquid outlet (12),
First inlet (14), the second liquid outlet (10) and the second inlet (11) are fitted with hydraulic quick coupler.
The trimmer valve of a kind of band hydraulic lock the most according to claim 1, it is characterised in that: described valve body (15) is overall,
Valve body is provided with oil duct in (15).
The trimmer valve of a kind of band hydraulic lock the most according to claim 1, it is characterised in that: described valve body is provided with on (15)
First hydraulic control one-way valve (1), relief valve (2), the first check valve (3), the second check valve (4), the 3rd check valve (5), the 4th list
To valve (6), 2/2-way battery valve (7), choke valve (8), differential pressure bidirectional hydraulic control valve (9) and the peace of the second hydraulic control one-way valve (13)
Dress hole.
The trimmer valve of a kind of band hydraulic lock the most according to claim 1, it is characterised in that: described first hydraulic control one-way valve
(1), relief valve (2), the first check valve (3), the second check valve (4), the 3rd check valve (5), the 4th check valve (6), two two
Logical battery valve (7), choke valve (8), differential pressure bidirectional hydraulic control valve (9) and the second hydraulic control one-way valve (13) pass through with valve body (15) respectively
Threaded, junction is provided with glue-leakage-resistant.
The trimmer valve of a kind of band hydraulic lock the most according to claim 1, it is characterised in that: described valve body (15) is provided with spiral shell
Keyhole, valve body (15) is connected with body by bolt.
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 true CN106286477A (en) | 2017-01-04 |
| CN106286477B 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 (9)
| 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 |
| JP2003269415A (en) * | 2002-03-13 | 2003-09-25 | Kayaba Ind Co Ltd | Damping 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 |
-
2016
- 2016-08-26 CN CN201610740374.6A patent/CN106286477B/en active Active
Patent Citations (9)
| 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 |
| JP2003269415A (en) * | 2002-03-13 | 2003-09-25 | Kayaba Ind Co Ltd | Damping 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 |
|---|---|
| CN106286477B (en) | 2018-06-26 |
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