CN106640826A - Integrated hydraulic valve group as well as hydraulic driving system provided with valve group and concrete pump - Google Patents
Integrated hydraulic valve group as well as hydraulic driving system provided with valve group and concrete pump Download PDFInfo
- Publication number
- CN106640826A CN106640826A CN201610994279.9A CN201610994279A CN106640826A CN 106640826 A CN106640826 A CN 106640826A CN 201610994279 A CN201610994279 A CN 201610994279A CN 106640826 A CN106640826 A CN 106640826A
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- hydraulic
- mouths
- actuator port
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an integrated hydraulic valve group as well as a hydraulic driving system provided with the valve group and a concrete pump. The integrated hydraulic valve group comprises a valve body, and an oil inlet, an oil return opening, a first working oil opening, a second working oil opening, a third working oil opening, a fourth working oil opening, a first reversing valve, a second reversing valve and a third reversing valve, which are arranged on the valve body. The connecting relationships among all joints and structures are specifically disclosed. The valve group is integrated with a plurality of control valves, and the reversing of a swing valve oil cylinder of the concrete pump and a function of controlling the clockwise and anticlockwise rotating of a hydraulic motor can be arranged on one integrated valve group in an integrated manner, so that the integration degree is high, and the structure is compact. When hydraulic oil pipelines are arranged, each of the oil inlet, the oil return opening and the working oil openings A1-A4 can be connected with the corresponding hydraulic component through one hydraulic pipeline, and the arrangement of the hydraulic pipelines is simplified. Compared with the prior art, the integrated hydraulic valve group has the remarkable advantages that oil circuits are simple, occupied space is small, and the assembly difficulty is low.
Description
Technical field
The present invention relates to hydraulic drive field, more particularly to a kind of integrated hydraulic valve group and the hydraulic-driven of the valve group is set
System and concrete pump.
Background technology
At present, on concrete pump, pumping equipment is the one of most crucial constituting portion point, and it is typically using some independent
Valve group, to control the functions such as tilt cylinder commutation, accumulator pressurizing off-load, shaft rotating respectively.As shown in Figure 1, 2, tilt cylinder
In main valve group, accumulator pressurizing unloading function and shaft rotating function setting are in auxiliary valve group for commutation control function setting
On.But, due to there is the contact of countless ties between the valve group of each control function, so must between each valve group being independently arranged
Pipeline communication must be carried out, causes oil circuit complexity, the big, assembly difficulty that takes up room high.
Therefore, a kind of integrated level height, the integrated valve group of compact conformation how to be developed there is very important realistic meaning.
The content of the invention
In view of this, the present invention proposes a kind of integrated hydraulic valve group and arranges the fluid power system and concrete of the valve group
Pump, to solve existing independent valve group caused by oil circuit it is complicated, take up room at least one high technical problem of big, assembly difficulty.
On the one hand, the invention provides a kind of integrated hydraulic valve group, including valve body and the oil-feed that is arranged on the valve body
Mouth, oil return opening, the first actuator port, the second actuator port, the 3rd actuator port, the 4th actuator port, the first reversal valve, second
Reversal valve and the 3rd reversal valve；
First reversal valve, second reversal valve, the P mouths of the 3rd reversal valve are connected with the oil-in；
The A mouths of first reversal valve, and second reversal valve, the T mouths of the 3rd reversal valve connect with the oil return opening；Institute
The A mouths and B mouths for stating the second reversal valve is connected respectively with first actuator port, second actuator port；Described 3rd changes
Connect with the 3rd actuator port, the 4th actuator port respectively to the A mouths and B mouths of valve.
Further, the integrated hydraulic valve group, also including the first overflow valve or/and the second overflow valve；Described first overflows
Stream valve, the import of second overflow valve connects with the oil-in, first overflow valve, second overflow valve it is excessive
Head piece is connected with the oil return opening.
Further, second reversal valve is pilot operated directional control valve, and the integrated hydraulic valve group also includes the 4th reversal valve,
The P mouths of the 4th reversal valve, T mouths, A mouths and B mouths respectively with the oil-in, the oil return opening, the pilot operated directional control valve
Left hydraulic control mouth is connected with the right hydraulic control mouth of the pilot operated directional control valve.
Further, the integrated hydraulic valve group, also including choke valve, is arranged on the oil-in with the 4th commutation
Between the P mouths of valve.
Further, the integrated hydraulic valve group, also including the 5th actuator port, connects with the oil-in of the choke valve
It is logical, for external accumulator；And/or,
The integrated hydraulic valve group also includes check valve, be arranged on the oil-in and the choke valve oil-in it
Between.
Further, the integrated hydraulic valve group, is additionally provided with detection mouth, the detection mouth and the oil-in, described
Oil return opening, first actuator port, second actuator port, the 3rd actuator port, the 4th actuator port or
The 5th actuator port connection.
Further, the oil-in includes the first oil-in and the second oil-in, and the oil return opening includes the first oil return
Mouth, the second oil return opening and the 3rd oil return opening；
First reversal valve, the P mouths of second reversal valve are connected with first oil-in, the 3rd commutation
The P mouths of valve are connected with second oil-in；The A mouths of first reversal valve and second reversal valve, the 3rd commutation
The T mouths of valve are connected respectively with first oil return opening, the second oil return opening and the 3rd oil return opening.
On the other hand, the present invention also provides a kind of fluid power system, is provided with hydraulic pump, fuel tank, pendulum valve oil cylinder, hydraulic pressure
Motor and above-mentioned arbitrary integrated hydraulic valve group；The outlet of the hydraulic pump is connected with oil-in；The fuel tank and the oil return
Mouth connection；The pendulum valve oil cylinder is connected with first actuator port and the second actuator port；The hydraulic motor and described
Three actuator ports are connected with the 4th actuator port.
Further, the pendulum valve oil cylinder includes the first oil cylinder and the second oil cylinder, first oil cylinder without thick stick chamber and institute
The connection of the first actuator port is stated, the thick stick chamber that has of first oil cylinder connects with the thick stick chamber that has of second oil cylinder, and described second is oily
Cylinder is connected without thick stick chamber with second actuator port；The oil-in of the hydraulic motor is connected with the 3rd actuator port,
The oil-out of the hydraulic motor is connected with the 4th actuator port.
On the other hand, the present invention also provides a kind of concrete pump, is provided with S valves, shaft and above-mentioned arbitrary hydraulic pressure and drives
Dynamic system, the pendulum valve oil cylinder is connected with the S valves；The hydraulic motor is connected with the shaft.
Integrated hydraulic valve group proposed by the present invention and the fluid power system and concrete pump of the valve group are set, are integrated with many
Individual control valve, can be integrally disposed in one by the commutation of pendulum valve oil cylinder of concrete pump, the rotating control function of hydraulic motor
In integrated valve group, integrated level is high, compact conformation, when hydraulic oil pipeline is arranged, by each oil-in, oil return opening, actuator port A1-
A4 is connected by fluid pressure line with corresponding hydraulic unit, simplifies the arrangement of fluid pressure line, compared with the prior art, tool
Have that oil circuit is simple, take up room the low remarkable advantage of little, assembly difficulty.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of one embodiment of the main valve group of the hydraulic valve bank of prior art；
Fig. 2 is the structural representation of one embodiment of the auxiliary valve group of the hydraulic valve bank of prior art；
Fig. 3 is the structural representation of one embodiment of the integrated hydraulic valve group of the present invention；
Fig. 4 is the structural representation of one embodiment of the swing valve group of the present invention；
Fig. 5 is the structural representation of another embodiment of the integrated hydraulic valve group of the present invention.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
As shown in figure 3, the invention provides a kind of integrated hydraulic valve group, including valve body 10 and it is arranged on entering on valve body 10
Hydraulic fluid port, oil return opening, the first actuator port A1, the second actuator port A2, the 3rd actuator port A3, the 4th actuator port A4, first
Reversal valve 11, the second reversal valve 12 and the 3rd reversal valve 13.Specifically, the first reversal valve 11, the second reversal valve the 12, the 3rd commutate
The P mouths of valve 13 are connected with oil-in.The A mouths of the first reversal valve 11, and the T mouths of the second reversal valve 12, the 3rd reversal valve 13 are equal
Connect with oil return opening.The A mouths and B mouths of the second reversal valve 12 is connected respectively with the first actuator port A1, the second actuator port A2.The
The A mouths and B mouths of three reversal valves 13 is connected respectively with the 3rd actuator port A3, the 4th actuator port A4.Preferably, for convenience of oil circuit
Arrangement, is that the first reversal valve 11, the second reversal valve 12 are equipped with it is advantageously ensured that oil circuit is unimpeded and inlet pressure of each reversal valve
First oil inlet P 1, is that the 3rd reversal valve 13 is equipped with the second oil inlet P 2, is the first reversal valve 11, the second reversal valve the 12, the 3rd
Reversal valve 13 is equipped with the first oil return inlet T 1, the second oil return inlet T 2 and the 3rd oil return inlet T 3.That is, the first reversal valve 11, second
The P mouths of reversal valve 12 are connected with the first oil inlet P 1, and the P mouths of the 3rd reversal valve 13 are connected with the second oil inlet P 2；First changes
The T mouths of A mouths and the second reversal valve 12, the 3rd reversal valve 13 to valve 11 respectively with the first oil return inlet T 1, the second oil return inlet T 2 and
3rd oil return inlet T 3 is connected.It is more highly preferred to, first, second, third reversal valve, it is optional but be not limited only to from electromagnetic valve, liquid
Control valve etc..
In this embodiment, there is provided a kind of concrete structure of integrated hydraulic valve group of the present invention.It is applied to it below
As a example by the fluid power system of the pumping mechanism of concrete pump, its operation principle is described in detail.Specifically, by the present invention
Integrated hydraulic valve group be applied to be provided with the fluid power system of hydraulic pump, fuel tank, pendulum valve oil cylinder and hydraulic motor, by liquid
The outlet of press pump is connected with the oil-in of the integrated hydraulic valve group, and fuel tank is connected with oil return opening, puts valve oil cylinder and the first working oil
(preferred, shown in Figure 4, pendulum valve oil cylinder includes the first oil cylinder 21 and the second oil cylinder for mouth A1 and the second actuator port A2 connections
22, the first oil cylinder 21 is connected without thick stick chamber with the first actuator port A1, the first oil cylinder 21 has thick stick chamber and the second oil cylinder 22
Have thick stick chamber to connect, the second oil cylinder 22 is connected without thick stick chamber with the second actuator port A2), hydraulic motor and the 3rd actuator port A3 and
(preferred, the oil-in of hydraulic motor is connected with the 3rd actuator port A3, oil-out and the 4th work for 4th actuator port A4 connections
Make hydraulic fluid port A4 connections).Operator can then pass through the work of the first reversal valve 11 of control, the second reversal valve 12 and the 3rd reversal valve 13
Make position, to control the work of the first actuator port A1, the second actuator port A2, the 3rd actuator port A3 and the 4th actuator port A4
Make state, and then control the working condition of pendulum valve oil cylinder and hydraulic motor.Therefore, the integrated hydraulic valve group of example of the present invention is integrated
Multiple control valves, by the commutation of pendulum valve oil cylinder, the rotating control function of hydraulic motor an integrated valve group is integrally disposed in
On, integrated level is high, compact conformation, when hydraulic oil pipeline is arranged, each oil-in, oil return opening, actuator port A1-A4 is passed through into liquid
Pressure pipe road connects with corresponding hydraulic unit, simplifies the arrangement of fluid pressure line, compared with the prior art, with oil circuit letter
Singly, take up room the low remarkable advantage of little, assembly difficulty.It is noted that the integrated hydraulic valve group of the present invention, only being applied to
Elaborate as a example by the pumping mechanism of concrete pump, but do not limit its range of application, can be applicable to any fluid power system,
Such as the crane arm support elevation angle is adjusted in present inventive concept.
Preferably, as shown in figure 3, the integrated hydraulic valve group, also including the first overflow valve 14 or/and the second overflow valve 15.
Wherein, the first overflow valve 14, the import of the second overflow valve 15 is connected with oil-in, the first overflow valve 14, the second overflow valve 15
Overfall connect with oil return opening.In this embodiment, the first overflow valve 15 set up or/and the second overflow valve 16, can be in liquid
By valve port overflow when pressure drive system internal pressure is excessive, excessive pressure is adjusted or limited, return controlled system and hydraulic pressure
The pressure on road remains stable.
It is more highly preferred to, as shown in figure 3, the first reversal valve 11 is solenoid directional control valve, the second reversal valve 12 is liquid controlled reversing
Valve, the integrated hydraulic valve group also include the 4th reversal valve 16, and by its P mouth, T mouths, A mouths and B mouths respectively with oil-in, oil return
Mouth, the left hydraulic control mouth of pilot operated directional control valve are connected with the right hydraulic control mouth of pilot operated directional control valve, to control the oil circuit of the pilot operated directional control valve 12,
And then the commutation for putting valve oil cylinder that control is connected with first, second actuator port A1, A2.Specifically, at fluid power system
When original operating state, the first reversal valve 11, the 4th reversal valve 16 must not electricity, then the left position work of the first reversal valve 11, the
The middle position of four reversal valve 16 (cut-off position) works, and the hydraulic oil of the outlet output of Jing hydraulic pumps flows through oil-in, the first reversal valve 11
Fuel tank is returned with pressure release, without crushing, first, second actuator port A1-A2 is no action whole process with oil return opening.Change when first
To valve 11 the electric, left side of the 4th reversal valve 16 obtains electric, the right must not electricity, then right position (cut-off position) work of the first reversal valve 11, the
Left position (the P mouths of the 4th reversal valve 16 and the conducting oil-feed of B mouths, A mouths and the conducting oil return of the T mouths) work of four reversal valve 16, Jing hydraulic pumps
The hydraulic oil of outlet output flow through the P mouths and B mouths of the 4th reversal valve 16 and flow to the left position of pilot operated directional control valve 12, in hydraulic oil
Under pressure effect, the valve core movement of pilot operated directional control valve 12 is promoted, make pilot operated directional control valve 12 be operated in right position, hydraulic oil Jing hydraulic controls are changed
To valve 12 P mouths and B mouths enter the second oil cylinder 22 without thick stick chamber, and then drive the second oil cylinder 22 piston rod stretch out；Accordingly,
The hydraulic oil that second oil cylinder has thick stick intracavity has thick stick chamber into the first oil cylinder 21, and the piston rod for promoting the first oil cylinder 21 is retracted, and is pushed away
The A mouths and T mouths, oil return opening of the hydraulic oil Jing pilot operated directional control valves 12 without thick stick intracavity of dynamic first oil cylinder 21 flows back to fuel tank.When first
Reversal valve 11 the electric, left side of the 4th reversal valve 16 must not electricity, the right obtains electric, then right position (cut-off position) work of the first reversal valve 11,
Right position (the P mouths of the 4th reversal valve 16 and the conducting oil-feed of A mouths, B mouths and the conducting oil return of the T mouths) work of 4th reversal valve 16, Jing hydraulic pressure
The hydraulic oil of the outlet output of pump flows through the right position that the P mouths and A mouths of the 4th reversal valve 16 flows to pilot operated directional control valve 12, in hydraulic oil
Pressure effect under, promote pilot operated directional control valve 12 valve core movement, make pilot operated directional control valve 12 be operated in left position, hydraulic oil Jing hydraulic controls
The P mouths and A mouths of reversal valve 12 enter the first oil cylinder 21 without thick stick chamber, and then drive the first oil cylinder 21 piston rod stretch out；Accordingly
, the hydraulic oil for having thick stick intracavity of the first oil cylinder 21 has thick stick chamber into the second oil cylinder 22, promotes the piston rod of the second oil cylinder 22
Retract, and then promote the B mouths and T mouths, oil return opening of the hydraulic oil Jing pilot operated directional control valves 12 without thick stick intracavity of the second oil cylinder 22 to flow back to
Fuel tank.
It is more highly preferred to, the 3rd reversal valve 13 is solenoid directional control valve, you can by the oil circuit shape for controlling the 3rd reversal valve 13
State, and then the hydraulic motor that control is connected with the three, the 4th actuator port A3, A4.Specifically, when the 3rd reversal valve 13 must not
Electricity, then the hydraulic oil Jing oil inlet Ps 2 of the outlet output of hydraulic pump, the 3rd reversal valve 13 and oil return opening return fuel tank are whole with pressure release
Individual process without crushing, the 3rd-the four actuator port A3-A4 attonitys；When the left side of the 3rd reversal valve 13 obtains electric, then the 3rd reversal valve
13 right position (the P mouths of the 3rd reversal valve 13 and the conducting oil-feed of B mouths, A mouths and the conducting oil return of T mouths) work, the outlet output of hydraulic pump
Hydraulic oil Jing oil-ins, the P mouths of the 3rd reversal valve 13 and B mouths flow to the 4th actuator port A4, and the actuator port A3 of Jing the 3rd,
The A mouths and T mouths of the 3rd reversal valve 13, oil return inlet T 2 flow back to fuel tank, control connected hydraulic motor reversion；When the 3rd commutation
The right of valve 13 it is electric, then (the P mouths of the 3rd reversal valve 13 and the conducting oil-feed of B mouths, A mouths and T mouths are turned on back the left position of the 3rd reversal valve 13
Oil) work, hydraulic oil Jing oil-ins, the P mouths of the 3rd reversal valve 13 and the A mouths that the outlet of hydraulic pump is exported flows to the 3rd working oil
Mouth A3, and the actuator port A4 of Jing the 4th, the B mouths of the 3rd reversal valve 13 and T mouths, oil return inlet T 2 flow back to fuel tank, control is connected thereto
Hydraulic motor rotate forward.
Knowable to the course of work above, the integrated hydraulic valve group of the present invention is applied to into the pumping mechanism of concrete pump
When, can be by the 4th reversal valve 16 of control, the operating position of the second reversal valve 12, to control the first-the second actuator port A1-A2
Working condition, and then pass through control pendulum valve oil cylinder piston rod extension and contraction control S valve rotation, to control the defeated of concrete pump
Send cylinder to connect with hopper, concrete is sucked from hopper, or conveying cylinder is connected with S valves, pumps out concrete；And can be by control the
The operating position of three reversal valves 13, to control the working condition of the 3rd-the four actuator port A3-A4, and then by controlling hydraulic pressure
The direction of rotation of motor, to control the rotating or stopping of shaft.Therefore, the integrated hydraulic valve group of example of the present invention is integrated with
Multiple control valves, tilt cylinder commutation, the positive and negative rotating function of shaft are integrally disposed in an integrated valve group, and integrated level is high, structure
It is compact, when hydraulic oil pipeline is arranged, by oil-in, oil return opening, actuator port A1-A4 by fluid pressure line and corresponding hydraulic pressure
Members, simplify the arrangement of fluid pressure line, compared with the prior art, with oil circuit it is simple, take up room little, assembling
The low remarkable advantage of difficulty.It is noted that the integrated hydraulic valve group of the present invention, only being applied to the pumping mechanism of concrete pump
As a example by elaborate, but do not limit its range of application, can be applicable to any fluid power system, the such as crane arm support elevation angle is adjusted
It is whole etc..
It is more highly preferred to, as shown in figure 5, the integrated hydraulic valve group also includes choke valve 17, is arranged on oil-in and the 4th
Between the P mouths of reversal valve 16.The flow of the hydraulic oil of pilot operated directional control valve 14 is entered by the control of choke valve 17, and then prevents commutation
Impact.
It is more highly preferred to, as shown in figure 5, the integrated hydraulic valve group also includes the 5th actuator port A5, with choke valve 17
Oil-in is connected, and for external accumulator, by unnecessary energy accumulation, further enriches the vdiverse in function of the integrated valve group
Change.
It is more highly preferred to, as shown in figure 5, the integrated hydraulic valve group also includes check valve 18, is arranged on oil-in with throttling
Between the oil-in of valve 17.Make hydraulic oil flow in one direction, will not reversely flow backward to oil-in, further improve hydraulic pressure and drive
The job stability and control performance of dynamic system.
It is more highly preferred to, as shown in figure 5, the integrated hydraulic valve group is additionally provided with detection mouth, is arranged on oil-in, oil return
Mouth, the first actuator port A1, the second actuator port A2, the 3rd actuator port A3, the 4th actuator port A4, the 5th actuator port A5
Optional position, detection mouth is connected with wherein any one or more hydraulic fluid ports, M1, M2 position as shown in Figure 5.Design, make
Then the detection such as pressure can be carried out to the test position by the detection mouth of the setting with personnel, with the service behaviour to hydraulic valve bank
Judged, whether it break down, damage and failure cause, abort situation etc..
It is more highly preferred to, as shown in figure 5, being that the second reversal valve 12 and the 4th reversal valve 16 are equipped with separate oil return opening
With separate oil return route, when the design can avoid the oil return of the second reversal valve 12 fast, returning for the second reversal valve 12 is caused
Oil card oil, in being particularly suited for the pumping mechanism of concrete pump, S valves rotating speed is fast, commutate fast environment.
It is more highly preferred to, the integrated hydraulic valve group of the present invention, it is preferred to use hot investment casting forming technique cancels main reversing valve
Housing configuration, using integral core, its volume and weight can be greatly reduced to more than 60%；And internal each working connection is preferably adopted
With casting runner, self-control valve element and thread cartridge, the pressure loss that fluid flows through valve body can be substantially reduced, and be responded faster, energy
Further improve energy conservation and consumption reduction effects.
On the other hand, the present invention also provides a kind of fluid power system and concrete pump, its structure and corresponding technology
Effect is corresponding with upper example, but not as unique restriction, will not be described here.The foregoing is only presently preferred embodiments of the present invention
, not to limit the present invention, all any modifications within the spirit and principles in the present invention, made, equivalent, change
Enter, should be included within the scope of the present invention.
Claims (10)
1. a kind of integrated hydraulic valve group, it is characterised in that including valve body (10) and the oil-in being arranged on the valve body (10),
Oil return opening, the first actuator port (A1), the second actuator port (A2), the 3rd actuator port (A3), the 4th actuator port (A4),
One reversal valve (11), the second reversal valve (12) and the 3rd reversal valve (13)；
First reversal valve (11), second reversal valve (12), the 3rd reversal valve (13) P mouths with the oil-feed
Mouth connection；The A mouths of first reversal valve (11), and second reversal valve (12), the T mouths of the 3rd reversal valve (13) be equal
Connect with the oil return opening；The A mouths and B mouths of second reversal valve (12) respectively with first actuator port (A1), described
Second actuator port (A2) is connected；The A mouths and B mouths of the 3rd reversal valve (13) respectively with the 3rd actuator port (A3),
4th actuator port (A4) connection.
2. integrated hydraulic valve group according to claim 1, it is characterised in that also including the first overflow valve (14) or/and
Two overflow valves (15)；First overflow valve (14), the import of second overflow valve (15) are connected with the oil-in, institute
State the first overflow valve (14), the overfall of second overflow valve (15) to connect with the oil return opening.
3. the integrated hydraulic valve group according to claim 1-2 any one, it is characterised in that second reversal valve (12)
For pilot operated directional control valve, the integrated hydraulic valve group is also including the 4th reversal valve (16), P mouths, the T of the 4th reversal valve (16)
Mouthful, A mouths and B mouths respectively with the oil-in, the oil return opening, the left hydraulic control mouth of the pilot operated directional control valve and the liquid controlled reversing
The right hydraulic control mouth connection of valve.
4. integrated hydraulic valve group according to claim 3, it is characterised in that also including choke valve (17), is arranged on described
Between oil-in and the P mouths of the 4th reversal valve (16).
5. integrated hydraulic valve group according to claim 4, it is characterised in that also including the 5th actuator port (A5), with institute
The oil-in connection of choke valve (17) is stated, for external accumulator；And/or,
The integrated hydraulic valve group also includes check valve (18), is arranged on the oil-in of the oil-in and the choke valve (17)
Between.
6. integrated hydraulic valve group according to claim 5, it is characterised in that be additionally provided with detection mouth, the detection mouth with
The oil-in, the oil return opening, first actuator port (A1), second actuator port (A2), the 3rd work
The connection of hydraulic fluid port (A3), the 4th actuator port (A4) or the 5th actuator port (A5).
7. integrated hydraulic valve group according to claim 1 and 2, it is characterised in that the oil-in includes the first oil-in
(P1) and the second oil-in (P2), the oil return opening includes the first oil return opening (T1), the second oil return opening (T2) and the 3rd oil return opening
(T3)；
First reversal valve (11), the P mouths of second reversal valve (12) are connected with first oil-in (P1), described
The P mouths of the 3rd reversal valve (13) are connected with second oil-in (P2)；The A mouths and described second of first reversal valve (11)
Reversal valve (12), the 3rd reversal valve (13) T mouths respectively with first oil return opening (T1), the second oil return opening (T2) and
Three oil return openings (T3) are connected.
8. a kind of fluid power system, it is characterised in that being provided with hydraulic pump, fuel tank, pendulum valve oil cylinder, hydraulic motor and right will
Seek the integrated hydraulic valve group described in 1-7 any one；The outlet of the hydraulic pump is connected with oil-in；The fuel tank with described time
Hydraulic fluid port is connected；The pendulum valve oil cylinder is connected with first actuator port (A1) and the second actuator port (A2)；The hydraulic pressure horse
Up to connecting with the 3rd actuator port (A3) and the 4th actuator port (A4).
9. fluid power system according to claim 8, it is characterised in that the pendulum valve oil cylinder includes the first oil cylinder (21)
With the second oil cylinder (22), first oil cylinder (21) connects without thick stick chamber with first actuator port (A1), and described first is oily
The thick stick chamber that has of cylinder (21) connects with the thick stick chamber that has of second oil cylinder (22), second oil cylinder (22) without thick stick chamber and described
Two actuator ports (A2) are connected；The oil-in of the hydraulic motor is connected with the 3rd actuator port (A3), the hydraulic pressure horse
The oil-out for reaching is connected with the 4th actuator port (A4).
10. a kind of concrete pump, it is characterised in that the liquid being provided with described in S valves, shaft and claim 8-9 any one
Pressure drive system, the pendulum valve oil cylinder is connected with the S valves；The hydraulic motor is connected with the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994279.9A CN106640826B (en) | 2016-11-11 | 2016-11-11 | Integrated hydraulic valve group and the fluid power system and concrete pump that the valve group is set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994279.9A CN106640826B (en) | 2016-11-11 | 2016-11-11 | Integrated hydraulic valve group and the fluid power system and concrete pump that the valve group is set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640826A true CN106640826A (en) | 2017-05-10 |
| CN106640826B CN106640826B (en) | 2018-10-02 |
Family
ID=58806406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610994279.9A Active CN106640826B (en) | 2016-11-11 | 2016-11-11 | Integrated hydraulic valve group and the fluid power system and concrete pump that the valve group is set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640826B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173474A (en) * | 2019-05-05 | 2019-08-27 | 天津海弗液压技术有限公司 | One kind cutting slotting vehicle hydraulic system monoblock type valve block |
| CN111043091A (en) * | 2019-10-30 | 2020-04-21 | 润琛液压机械南通有限公司 | Control valve set of mower |
| CN114207295A (en) * | 2021-11-15 | 2022-03-18 | 无锡市东舟船舶设备股份有限公司 | Hydraulic system |
| CN114345447A (en) * | 2021-12-10 | 2022-04-15 | 南昌矿机集团股份有限公司 | Hydraulic system for adjusting ore discharge port of jaw crusher and starting-up adjusting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568245U (en) * | 2009-05-31 | 2010-09-01 | 长沙中联重工科技发展股份有限公司 | Concrete pumping unit and concrete pumping device |
| CN103603840A (en) * | 2013-11-26 | 2014-02-26 | 三一汽车制造有限公司 | Integrated hydraulic valve group and hydraulic drive system and concrete pump |
| CN103697010A (en) * | 2013-12-13 | 2014-04-02 | 三一汽车制造有限公司 | Integrated hydraulic valve group, hydraulic driving system and concrete pump |
| CN203770245U (en) * | 2013-12-13 | 2014-08-13 | 三一汽车制造有限公司 | Integrated hydraulic valve set, hydraulic drive system and concrete pump |
| CN206246446U (en) * | 2016-11-11 | 2017-06-13 | 三一汽车制造有限公司 | Integrated hydraulic valve group and the fluid power system and concrete pump of the valve group are set |
-
2016
- 2016-11-11 CN CN201610994279.9A patent/CN106640826B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568245U (en) * | 2009-05-31 | 2010-09-01 | 长沙中联重工科技发展股份有限公司 | Concrete pumping unit and concrete pumping device |
| CN103603840A (en) * | 2013-11-26 | 2014-02-26 | 三一汽车制造有限公司 | Integrated hydraulic valve group and hydraulic drive system and concrete pump |
| CN103697010A (en) * | 2013-12-13 | 2014-04-02 | 三一汽车制造有限公司 | Integrated hydraulic valve group, hydraulic driving system and concrete pump |
| CN203770245U (en) * | 2013-12-13 | 2014-08-13 | 三一汽车制造有限公司 | Integrated hydraulic valve set, hydraulic drive system and concrete pump |
| CN206246446U (en) * | 2016-11-11 | 2017-06-13 | 三一汽车制造有限公司 | Integrated hydraulic valve group and the fluid power system and concrete pump of the valve group are set |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173474A (en) * | 2019-05-05 | 2019-08-27 | 天津海弗液压技术有限公司 | One kind cutting slotting vehicle hydraulic system monoblock type valve block |
| CN111043091A (en) * | 2019-10-30 | 2020-04-21 | 润琛液压机械南通有限公司 | Control valve set of mower |
| CN114207295A (en) * | 2021-11-15 | 2022-03-18 | 无锡市东舟船舶设备股份有限公司 | Hydraulic system |
| WO2023082234A1 (en) * | 2021-11-15 | 2023-05-19 | 无锡市东舟船舶设备股份有限公司 | Hydraulic system |
| CN114207295B (en) * | 2021-11-15 | 2024-04-05 | 无锡市东舟船舶设备股份有限公司 | Hydraulic system |
| CN114345447A (en) * | 2021-12-10 | 2022-04-15 | 南昌矿机集团股份有限公司 | Hydraulic system for adjusting ore discharge port of jaw crusher and starting-up adjusting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640826B (en) | 2018-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106640826A (en) | Integrated hydraulic valve group as well as hydraulic driving system provided with valve group and concrete pump | |
| WO2015078249A1 (en) | Integrated hydraulic valve unit, hydraulic driving system and concrete pump | |
| CN106402076B (en) | Integrated valve group, fluid power system and concrete pump | |
| CN102673639B (en) | Hydraulic steering control system and crane with system | |
| CN104806588B (en) | Dual-pump flow-converging hydraulic control system | |
| CN105156391A (en) | Composite variable pump and hydraulic control system using composite variable pump | |
| CN206246446U (en) | Integrated hydraulic valve group and the fluid power system and concrete pump of the valve group are set | |
| CN105909588B (en) | The oil pressure actuated systems of unloading valve and hydraulic excavator | |
| CN205446237U (en) | Hydraulic pump control ware | |
| CN105715597A (en) | Constant-backpressure direct drive type electro hydraulic servo system and control method thereof | |
| CN105351279B (en) | Pumping equipment and its hydraulic system of pump | |
| CN103213494B (en) | The double speed walking electrohydraulic control system of self-walking machinery | |
| JP2001295803A (en) | Hydraulic driving device for work machine | |
| CN106194680A (en) | The axial plunger pump installation of a kind of high accuracy electric proportional control and control method | |
| GB2554683A (en) | Hydraulic systems for construction machinery | |
| CN203548390U (en) | Hydraulic pumping system and concrete pumping equipment | |
| CN106438554B (en) | Integrated valve group, fluid power system and concrete pump | |
| CN203770276U (en) | Double-way oil supply priority valve | |
| CN104192201B (en) | Hydraulic steering control valve and hydraulic steering system | |
| CN104481944B (en) | Depressurizing system and engineering machinery | |
| CN104030199B (en) | Forklift hydraulic system with bypass oil way throttling speed regulation loop | |
| CN208057593U (en) | Series connection motor automatically equalizing voltage valve group | |
| CN107524648A (en) | A kind of closed type energy-saving loop of excavator swing arm | |
| CN107724454A (en) | Loading machine determines variable delivery hydraulic system | |
| CN105508329B (en) | Pumps hydraulic control system and concrete pumping equipment |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Jun Inventor after: He Dian Inventor after: Huang Yunming Inventor after: Lu Zhixue Inventor after: Luo Bin Inventor before: Li Jun Inventor before: He Dian Inventor before: Lu Zhixue |