CN203189370U - Modularized combined type electro-hydraulic multi-way valve system adopting compact type two-way cartridge inserted valve - Google Patents
Modularized combined type electro-hydraulic multi-way valve system adopting compact type two-way cartridge inserted valve Download PDFInfo
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- CN203189370U CN203189370U CN 201220511732 CN201220511732U CN203189370U CN 203189370 U CN203189370 U CN 203189370U CN 201220511732 CN201220511732 CN 201220511732 CN 201220511732 U CN201220511732 U CN 201220511732U CN 203189370 U CN203189370 U CN 203189370U
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Abstract
The utility model aims to provide a modularized combined type electro-hydraulic multi-way valve system adopting a compact type two-way cartridge inserted valve, comprising two sets of reversible controlled chambers, each of which is controlled by a compact type two-way cartridge inserted valve main stage, and a set of cartridge inserted valve pressure compensation control assembly conducting compensation control. A valve block body forms the main body of an electro-hydraulic multi-way valve. The main body conducts self-supply of oil and guiding control by means of two flanges which are disposed at sides to control a cover plate. The electro-hydraulic multi-way valve body, the side-disposed flange controlled end cap guide and accessories are combined to form a novel high pressure electro-hydraulic multi-way valve reversing link with self oil supply and in sheet connection, comprising four main oil mouths (P, T, A, B), a plurality of control oil mouths (Pc, Tc, Ls) and an auxiliary hole. The modularized combined type electro-hydraulic multi-way valve system is advantageous in that the requirement of higher efficiency and better energy conservation on mobile hydraulic can be met, and the demand of lower discharge and more comprehensive control and diversity can be met by cooperating with a host through more and better modularization.
Description
Technical field
The utility model relates to a kind of novel modularized combined high-voltage electricity-liquid multi-way valve (system) in hydraulic transmission and the control field, or rather, relate to a kind of can controlling from the fuel feeding guide of compact type two-way plug-in valve of adopting, be with pressure compensated modularized combination type high-tension electricity-liquid multi-way valve and system.
Background technique
Multi-way valve and system are widely used in the hydraulic control system of mechanically moving, be used for controlling direction, pressure, flow of hydraulic fluid etc., and appreciable impact the various transmissions of adopting hydraulicdriven various movable type mechanicals and device and operation mechanism movement, turn to, lifting, revolution and various auxiliary function, occupy very important and status that gaze at.
The multi-way valve of traditional form comes from the hand-operated direction valve in the industrial hydraulic valve.Structurally it adopts the sleeve valve main and the many undercut grooves of employing based on many convex shoulders and restriction, the complexity casting runner valve body phase spouse's of orifice main structure.In the main structure, the slenderness ratio of garden post guiding valve main length overall and diameter is excessive, the dimensional accuracy Geometrical Tolerance Principle of axial-radial is very tight, the throttling window is numerous and different, and in the valve body of complicated casting runner, the slenderness ratio in valve opening length overall and aperture is bigger, the gap that valve opening and spool match, each relative dimensions precision and figure tolerance are tighter, be very much complexity etc. and cooperatively interact between the axial and periphery of each step and throttling spool window, therefore, not only the complicated compliance of processing technology is not good enough for main structure.And cause oil cleanliness control, maximal work oil temperature and the distortion that causes because of factors such as machinery, connections comparatively sensitivity, often cause thus and fault such as card valve influence reliable operation and maintenance." single control unit " and the auxiliary control unit of screw-in cartridge valve and other damascene structures have also extensively been adopted in the valve body, be combined into chip or integrated type and have the valve system product of combination function, certainly will cause parts number and mounting hole on the main loop to increase and structural redundancy, on control principle, the reciprocating spool main of multi-way valve is the selector valve main of industrial hydraulic valve roughly the same, they are mainly by the many shoulders on the post valve core of the spool valve of garden, area of passage and the feature of four primary throttle valve mouths controlled and changed in the axial position of more piece stream limit and throttling window and variation, give phase control with realization commutation and throttling etc., the to-and-fro motion of guiding valve main usually can be by comprising hand behaviour, hydraulic control, gas control, automatically controlled and electric hydraulic control electricity processed-multiple modes such as liquid proportional control are handled.Therefore, it belongs to two controlled chamber of actuator with two load cavities is carried out the synchronous linking type control scheme of rigidity on the principle.Like this, the single controllability on each throttling window and control limit is not good enough in the main structure, can't satisfy more hypercomplex diversified control requirement to restriction and control limit, particularly in the cylinder structure parameter that need require different loads (as through bar footpath area, when differential compare etc.) carrying out the difference configuration, not only before dispatching from the factory, even still need at the scene to carry out very complicated and difficult single configuration, bring complexity and difficulty to use.
As accompanying drawing 1, be commercially available a kind of typical multi-way valve product structure figure and explanation.By accompanying drawing 1-1 as seen, has the complicated sleeve valve spool 1-1-2 of peripheral throttling window of a plurality of shoulders, throttling limit and multiple pattern and have a plurality of undercut grooves and the complicated valve body 1-1-1 of the orifice passage of inner passage and four main hydraulic fluid ports one has spouse's combination of the precision of at least four primary throttle valve mouths; Also be provided with plug-type aux. control valve such as a plurality of employing screw-in cartridge valves and the corresponding mounting hole etc. in valve body, they have: have that other Auxiliary valves has Embedded one-way valve 1-1-4 and corresponding mounting hole etc. in the pressure-compensated valve 1-1-3, valve body of relief valve 1-1-5, the bringing onto load induction of secondary repairing function.Main slide valve 1-1-2 end covers at two sides 1-1-6 can introduce the control oil of being supplied with by the independent guide's control system in outside, and can be provided with the 1-1-7 of mechanism that vertically displacement is limited and adjusts at main slide valve core 1-1-2 two ends.This traditional structure of typical case and the product of control mode of keeping still occupy main flow and mastery status in multi-way valve, on structure and on the control scheme important and very important influence is arranged all.
But, in recent years, demand to hydraulics in the mechanically moving grows with each passing day, proposed more harsh and requirement refinement to conventional construction and control mode, especially main guiding valve and valve body require more to be tending towards complicated, make processing technology complexity originally, the control difficulty that the defective that structure compliance and monolateral controllability are relatively poor and some receptance factors cause is more apparent outstanding.Moreover, be faced with the immense pressure that improves efficiency and implement to reduce the carbon emission standard in current mechanically moving electricity-liquid Transmitted chains, mobile hydraulic transmission and control have been proposed to require higher efficient, more energy-conservation and cooperate to satisfy the harsher emission standard of main frame and further improve intelligent control and participate in a series of new requirements such as motor efficiency global coordination, multi-way valve structure and the control mode of accompanying drawing 1 this quasi-tradition mode all are difficult to comply with application demand, have begun to face new challenges and innovate.
The utility model just is being based on this new technological accumulation and inheritance and background, has proposed a kind of new technological scheme, sees accompanying drawing 2-1.This technological scheme has been carried out substantial product reorganization and structure innovation from many levels such as control valve agent structure and circuit controls schemes to accompanying drawing 1 quasi-tradition multi-way valve.The modularized combination type of the employing compact type two-way plug-in valve of this innovation is from the high-tension electricity-liquid multi-way valve of fuel feeding band compensation, not only can satisfy basic control function and chip and the integrated type Placement of conventional construction electricity-liquid multi-way valve system and have, and can pass through more and more rational modularization, the configurable scheme of combined type satisfies the more high efficiency that mobile hydraulic pressure proposes control, more energy-conservation, be conducive to cooperate main frame to realize lower discharging and realize the needs of the more control of global coordination and more diversified demand, simultaneously, based on the geometrical construction of seat valve main and the tolerance fit of size, grade of accuracy, and such as to material heat treatment and subsequent energy processing characterization processes, also have the fine finishing of special throttling window and finishing processing etc. all tolerant and easy far beyond conventional construction.More outstanding is to say to have good " monolateral controllability " from control mode.Owing to have above-mentioned comparatively good performance, therefore, have raising generally and improve them in the space of " manufacturability " " assembling capacity " " maintainability ".Like this, do not avoided the technology compliance good enough and cause making difficult isostructuralism and manufacturability defective because of complex structure on the whole, and be conducive to change in the past the comparatively SUPPLY CHAIN pattern of sealing by the production model that adopts large-scale customization, thereby the control valve of mobile hydraulic pressure and the new development of combination are produced actively and remarkable influence.Has comparatively significantly beneficial effect.
The model utility content
The utility model is intended to adopt new know-why and the product solution of technological method, with modern product design method the traditional approach product of widely applying in current mobile hydraulic multitandem valve field is carried out integrity reorganization and alternative.
In order to address the above problem, the technical solution of the utility model is such:
Adopt the modularized combination type electricity liquid multi-way valve system of compact type two-way plug-in valve, comprise by two groups of each two two reversible controlled chamber that compact type two-way plug-in valve seat valve main is controlled, one group is carried out load compensation control cartridge valve pressure compensation control unit, and valve piece block is formed the main body of electric liquid multi-way valve; Described main body carries out controlling from the fuel feeding guide via the flange control cover plate of two sides; By described electric liquid multi-way valve main body, the flange of side control end cap pilot stage and enclosure group are synthetic to have four main hydraulic fluid port P, T, A, B and a plurality of control port Pc, Tc, Ls and auxiliary aperture, forms stack-mountedly to join from fuel feeding novel high-pressure electricity-liquid multi-way valve commutation; The main hydraulic fluid port that partly links to each other with work mechanism with power;
The main body of described electric liquid multi-way valve, it has comprised two groups of compact type two-way plug-in valve seat valve mains with two main hydraulic fluid ports of totally four symmetric configurations and configuration, is made of four controlled primary valves of electric liquid multi-way valve these two groups of seat valve mains;
Described commutation connection is provided with to install two groups of two-way plug-in valve mounting hole and independent cartridge valve mounting holes that arrange of totally four symmetric configurations in its valve piece block;
Described flange control end cap, but be used for to two groups of the relevant symmetric configuration of the valve piece main body of chip electricity-liquid multi-way valve commutation connection totally four seat valve mains carry out the fixedly connected of two side sides and control.
In the main body of commutation connection institute to comprise the pressure compensation assembly be two to lead to the wherein a kind of of types, three-way type.
In the main body of commutation connection institute to comprise the pressure compensation assembly be straight ejector half control type.
In the main body of commutation connection institute to comprise the pressure compensation assembly be guide's control type.
Institute comprises the pressure compensation assembly and has the compact type two-way plug-in valve pressure compensation assembly that modular flange is controlled cover plate for adopting in the main body of commutation connection.
Comprise the structure of pressure compensation assembly for adopting screw-in cartridge valve mounting hole or other mounting hole to connect in the main body of commutation connection.
In two side flange control end caps, also can preset guide's control unit and the control channel of pressure compensation being implemented corresponding control.
The valve piece block of commutation connection is to adopt chip to connect polyhedral structure.。
The flange control end cap end cover body of commutation connection side is a kind of polyhedron, end cover body arranges many bolts hole, the interior hexagonal clamping bolt of employing is connected with valve piece block two side attachment faces and seals, described side flange control cover plate is used for fixing, the sealing of the seat valve main of the both sides, valve piece main body top that are connected and links up, and at end cover body a plurality of mounting holes is set; Guide's control unit mounting hole and the respective channel that parallels, places two seat valve mains of bottom to control to adjacent axis and valve piece block side is set in the bottom of end cover body.
The top symmetry of two side flange control end caps is inclined to handing over two identical employing screw-in cartridge valve mounting holes is installed.
On the flange control cover plate of described two sides the two-position four-way pilot-actuated valve is installed.
The flange control cover plate one side configuration 3-position 4-way control valve of two sides.
Seat valve main in the commutation connection main body is proportional control type seat valve main, is comprising the guide's controlled stage that is complementary with proportional control type seat valve main simultaneously in the two side flange control ends lid.
The flange of two sides control end cap about commutation connection is layout type flange control end cap, and covers at this layout type flange control end and to be provided with pilot solenoid valve element and control channel.
In the layout of described four seat valve mains, the axis of two mains of homonymy is parallel each other.
Described valve piece block all adopts the casting technique moulding with the passage that four seat valve main mounting holes link to each other.
Being undertaken by multi-disc chip electricity liquid commutation connection of described electric liquid multi-way valve system is integrated, forms the system-level structure of plural pieces.
Beneficial effect: because the utility model has carried out substantial product reorganization and structure innovation from many levels such as control valve agent structure and circuit controls schemes to accompanying drawing 1 quasi-tradition multi-way valve.The modularized combination type of the employing compact type two-way plug-in valve of this innovation is from the high-tension electricity-liquid multi-way valve of fuel feeding band compensation, not only can satisfy basic control function and the Placement of conventional construction electricity-liquid multi-way valve, and can pass through more and more rational modularization, the configurable scheme of combined type satisfies the more high efficiency that mobile hydraulic pressure proposes control, more energy-conservation, also be conducive to cooperate main frame to realize lower discharging and realize the needs of the more control of global coordination and more diversified demand, simultaneously, avoid the difficult isostructuralism defective of the complicated manufacturing of process structure by more good " manufacturability " " assembling capacity " " maintainability ", simultaneously and can change in the past the comparatively SUPPLY CHAIN pattern of sealing based on the production model of large-scale customization, thus the control valve of mobile hydraulic pressure and the new development of combination are produced positive remarkable influence.The utility model can be widely used in all kinds of engineering machinery, comprises lifting, builds the road, excavation, concrete, piling machinery etc., also can be applicable to boats and ships, the port machine, and the maritime works is in mine and the military hardware.
Description of drawings
Fig. 1 is conventional version electricity in the prior art-liquid multiple directional control valve structural representation.
Fig. 2-1 be employing compact type two-way plug-in valve described in the utility model can be stack-mounted from the modularized combination type high-tension electricity-liquid multi-way valve structural representation of fuel feeding guide control, (this valve has the load locking, can be differential four four-way functions of flow regeneration, have A, B hydraulic fluid port restriction is adjustable, return oil pressure is adjustable, can be with secondary repairing function).
Fig. 2-2 is the hydraulic principle sketch of electricity shown in Fig. 2-1-liquid multi-way valve valve.This valve can be by computer, and-controller is controlled back and electric control handle carries out electric control operation.Can adopt the CAN bus to connect.
Fig. 2-3 is the explosive view of electricity shown in Fig. 2-1-liquid multi-way valve.
Fig. 3-1 adopts two 3/2 compact type screw-in cartridge valves to make the electricity-liquid multi-way valve profile schematic representation of guide's control (having four four-way functions) for side flange control cover plate.
Fig. 3-2 makes the electricity-liquid multi-way valve profile schematic representation of guide's control (having two-position four-way or and four four-way functions) for one of side flange control cover plate employing or each 4/2 gasket mounted miniature pilot solenoid valve.
Fig. 3-3 puts the employing of flange control cover plate with electricity, the hand behaviour hydraulic control multi-way valve profile schematic representation of (the having the 3-position 4-way function) of gasket mounted miniature guiding manual selector valve control for the diagram left side.
Fig. 3-4 is for being fundamental mode with valve shown in Fig. 3-1, but its right side puts flange control cover plate two 3/2 compact type screw-in cartridge valves are arranged, and constitutes to adopt to be with to have four four-way functions, can be with the electricity-liquid multi-way valve profile schematic representation of Differential Control flow regeneration.
Fig. 3-5 is a kind of electricity-liquid multi-way valve profile schematic representation with A, B mouth oil-feed ratio throttling control and oil return ratio pressure control function.
Fig. 3-6 is the miniature three-position four-way valve of manual control type of employing and the electricity-liquid multi-way valve profile schematic representation of attachment face thereof for the upper right side.
Fig. 4-1 for a kind of adopt the compact type two-way plug-in valve can stack-mounted modularized combination type high-tension electricity-liquid multi-way valve valve block system profile schematic representation (three electricity-liquid commutation connection is arranged among the figure)
Fig. 4-2 is a kind of all-in-one-piece modularized combination type high-tension electricity-liquid multi-way valve system valve piece schematic representation that adopts the compact type two-way plug-in valve
Fig. 4-3 be adopt the compact type two-way plug-in valve shown in Fig. 4-1, the 4-2 can stack-mounted modularized combination type high-tension electricity-liquid multi-way valve valve block system principle sketch
Fig. 5-1 is that the chip of valve piece block shown in a kind of employing Fig. 5-1 and " the compact type two-way plug-in valve control unit of band modular flange control cover plate " is connected electricity-liquid multi-way valve structural representation
Fig. 5-2 is a kind of valve piece block figure that adopts two groups of mounting hole axis parallel arrangement and casting technique
Fig. 5-3 is a kind of chip electricity-liquid multi-way valve structural representation that adopts the compact type two-way plug-in valve control unit of the block of valve piece shown in Fig. 5-2 and band modular flange control cover plate
Embodiment
But a kind of seat valve formula main structure of the modularization combo that adopts a plurality of compact type two-way plug-in valves and adopt integrated control valve block and the system of the modularized combination type of the valve piece of modularization, various type design of a plurality of novel two-way plug-in valve mounting holes and the side flange control end cap that two employings comprise multiple innovative guide's control unit and design, the chip with four main hydraulic fluid ports and a plurality of guide's control ports and auxiliary hydraulic fluid port is connected or all-in-one-piece electricity-liquid multi-way valve commutation joins but their are formed.New product solution has the seat valve main, guide control, plug-in type connection and modularization, integrated and technical characteristics that can intelligent control.They have adopted the free-standing resistance that belongs to single load cavity to control combination and the conversion of scheme at control principle, referring to accompanying drawing 2-2.Thereby not only can be implemented in that the fundamental function that keeps traditional multi-way valve requires and technical performance the time by new technological scheme and principle, further expand and optimize, can provide how new technical advantage and potentiality for the client uses, cooperate the new development that realizes mobile hydraulic pressure.
As described in Fig. 2-1, the modularization of innovation, combined high-voltage electricity-liquid multi-way valve (system), comprise four modularizations that can adopt specialized designs or patented technology, but the compact type two-way plug-in valve seat valve main control unit CV1 of combo, CV2, CV3, CV4, cartridge valve pressure compensation assembly CV0 and seat valve main CV0-CV4 and control cover plate are corresponding has identical with the main component count four and adopts the two-way plug-in valve mounting hole of miniaturizations and roughly the same the combined type of mounting hole mutually, the combination of modular valve piece block (2-1-0 among the figure), two side flange control end cap (Fig. 2-2-1-0 with a plurality of innovative guide's control units and design, 2-2-2-0), it is characterized in that: described compact type two-way plug-in valve seat valve main control unit, described control cover plate is according to seat valve main and fixing, guide's control system and runner arrange that demand is selected or particular design, according to the control function of various typical cases or customization, select and dispose combination by rule; In the described valve piece block a plurality of miniaturization two-way plug-in valve mounting holes or mutually roughly the same mounting hole arrange by prime power loop requirement in the two-way plug-in valve liquid resistance theory and communicate with each other.When adopting slice structure, explosive view 2-3 referring to Fig. 2-1 product, valve piece block has two opposing inside attachment face F1, F2 usually, referring to Fig. 2-3, main hydraulic fluid port P, T that this inside attachment face F1, F2 are provided with to connect, hydraulic fluid ports such as auxiliary hydraulic fluid port Pc, Tc, and the through through hole n-Mdi of usefulness such as chip connecting bolt, F3, F4 are inner attachment face in the attachment face around adjacent, and F3, F4 are provided with miniaturization two-way plug-in valve mounting hole or phase mounting hole and flange control end cap attachment face roughly the same.In the attachment face F5 of top, except attachment faces such as cartridge valve flange control cover plate, be provided with the main hydraulic fluid port A, the B that are connected with actuator 2 load cavities.On above-mentioned three side face attachment faces, except the flange plate attachment face that has adopted CV0, CV1, CV2 mounting hole CVH0, CVH1, CVH2 or corresponding mounting hole, whenever necessary, can adopt the attachment face of other customization (such as the both sides flange plate attachment face of special customization, screw-in cartridge valve is installed the locating face (portion) of usefulness, and various counter sink face).
Be provided with mounting hole CHV3, the CHV4 slightly different with CVH1, CVH2, CVH0 on the F6 face of bottom among Fig. 2-1, the 2-3, this mounting hole is the mounting hole that has connecting thread, is a kind of design of special and innovation.
But accompanying drawing 2-2 is based on the sheet type modularized combined electrical liquid of the fundamental mode multi-way valve circuit system principle sketch of the multi-joint connection of a kind of chip of Fig. 2-1,2-3 structure.
When adopting integrated type valve piece, structures such as the inside attachment face that the perforation that need just not have when adopting the chip series connection is connected and corresponding bolt hole, integrated type valve block structure pattern will adopt the basic structure of above-mentioned commutation connection, or carry out diversified custom configuration on demand.Referring to accompanying drawing 4-3.It is a kind of outline drawing of multi-joint valve piece of the integral module combined electrical-liquid multi-way valve system that adopts the compact type two-way plug-in valve.It is a kind of innovative multi-way valve outline drawing with obvious connection characteristic.
In the utility model two-way plug-in valve seat valve main they at first be the control unit of selecting patented product for use, but also can match other compactness and structure of being suitable for more on patent control unit basis.(arrangement of mounting hole and combination are all to abide by " minimum liquid resistance " principle that the combination hydraulic control loop sets forth in designing and the combination in " prime power loop " in the commutation connection valve piece block of CV1-CV4), pressure compensator (CV0) etc. to be commonly used to install compact type two-way plug-in valve assembly seat valve main.And layout regular and through optimizing, they must guarantee that but valve piece block has easy and good castability and workability, this basic model electricity-liquid multi-way valve control loop shown in Fig. 2-2, they can meet " design of combination hydraulic loop " principle and " prime power loop " combination principle of two-way plug-in valve.Diversified return circuit capable of being combined not only, and have lower along journey and local resistance loss, and flexible and changeable configurability.
Be used for controlling two-way plug-in valve seat level main in the utility model, guide's control unit of pressure compensator has at first been selected for use and has been adopted the various miniature pilot-actuated valve that is threaded and the combined type plug screw in patent Newso hole, but also can match the various miniature pilot-actuated valve that is threaded in other non-Newso hole.The flange control that guide's control unit mainly is installed on two sides covers, and abide by in two-way plug-in valve " the liquid resistance is theoretical " and " design of combination hydraulic loop " decomposing type design principle about guide's control loop, thereby not only can cooperate the main control resistance (primary valve) of realizing power stage loop in the main valve piece can be minimum and less, realize the characteristics of controlling from fuel feeding and self-controlled type guide simultaneously.So not only can make up more flexible, diversified guide's control, and compare with externally controlled type guide control, more simplify with compact.
Because the utility model has carried out substantial product reorganization and structure innovation from many levels such as control valve agent structure and circuit controls schemes to accompanying drawing 1 quasi-tradition multi-way valve.The modularized combination type of the employing compact type two-way plug-in valve of this innovation is from the high-tension electricity-liquid multi-way valve of fuel feeding band compensation, not only can satisfy basic control function and the Placement of conventional construction electricity-liquid multi-way valve, and can pass through more and more rational modularization, the configurable scheme of combined type satisfies the more high efficiency that mobile hydraulic pressure proposes control, more energy-conservation, also be conducive to cooperate main frame to realize lower discharging and realize the needs of the more control of global coordination and more diversified demand, simultaneously, avoid the difficult isostructuralism defective of the complicated manufacturing of process structure by more good " manufacturability " " assembling capacity " " maintainability ", simultaneously and can change in the past the comparatively SUPPLY CHAIN pattern of sealing based on the production model of large-scale customization, thus the control valve of mobile hydraulic pressure and the new development of combination are produced positive remarkable influence.
Reach purpose and effect is easy to understand for technological means, creation characteristic that the utility model is realized, below in conjunction with concrete diagram, further illustrate the utility model.
1, referring to Fig. 2-1 and Fig. 2-3, a kind of modularized combination type high-tension electricity liquid multi-way valve that adopts the compact type two-way plug-in valve, it is by comprising four two-way plug-in valve seat valve main assembly CV1, CV2, CV3, CV4, a two-way plug-in valve pressure compensation assembly CV0; Innovate valve piece block group 2-1-0, form the main body of electric liquid multi-way valve; And and by two side flanges control end cap 2-2-1-0,2-2-2-0 that comprise multiple innovative guide's control unit and design, be combined into have four main hydraulic fluid ports (P, T, A, B) and a plurality of control port Pc, Tc etc. and auxiliary hydraulic fluid port can be stack-mounted novel modularized, combined high-voltage is electric-the liquid multi-way reversing joins.
Fig. 2-the 2nd, its basic model circuit theory figure.By schematic diagram as seen, the modularized combination type electricity liquid multi-way valve of novel employing compact type two-way plug-in valve is the design of a kind of innovation of complete combination based on two-way plug-in valve liquid resistance theory and prime power loop and design principle, thisly only adopt four seat valve mains to form the power stage combined loop to control two controlled chamber that double-acting hydraulic cylinder or oil hydraulic motor have, can meet " design of combination hydraulic loop " method and " minimum liquid resistance principle ", and have by with completely being covered by side of adapting of power stage loop be that main pilot stage loop configuration and Variant Design satisfies very diversified application demand.Simultaneously also can be by adding the functional requirement that cartridge valve pressure compensation control unit satisfies various load compensations.And can realize Energy Saving Control together with the pump-unit main.
Electricity behaviour is carried out via computer and control device etc. in the loop, also can be grasped by hands such as electric control handles.Can adopt the CAN bus to connect.
2, the main body of the novel chip electricity shown in Fig. 2-1, the 2-3-liquid multi-way valve commutation connection, it has comprised the configurable seat valve main with two hydraulic fluid ports of four compact types (CV1～CV4), and four the controlled primary valves (P, T, A, B) that have of the multi-way valve that constituted by these four two hydraulic fluid port seat valve mains and pressure compensation assembly of a pressure compensation assembly (CV0), implement double-acting hydraulic cylinder with two controlled chamber or the control of oil hydraulic motor.Four seat valve mains and pressure compensation assembly are installed in has corresponding compact type seat valve main mounting hole (CVH0, among the valve piece block 2-1-1 of CVH1～CVH4), compact type seat valve main mounting hole (CVH0 in the valve piece block 2-1-1, CVH1-CVH4) and each hydraulic fluid port (P thereof, T, A, B) between and and numerous guide's control channel (Pc, Tc) connection each other needs by the chip connection fully and has carried out innovation and particular design and layout, and the multi-way valve commutation that they and the traditional guiding valve main of existing commercially available employing make up joins and valve body is fully different and unique.But constituted the commutation connection main body of unique modularized combination type combo.Simultaneously, because they can adopt compact type (MINISO type) two-way plug-in valve and modularization, combined type principle, not only the function combination in electricity-liquid loop has tangible characteristics and advantage, and connects, uses maintenance and major technology performance tangible differentiation characteristics to be arranged and carry out the more potentiality of the modular combination of versatile and flexibleization in boundary dimension, installation.Might in various mobile hydraulic transmissions and control, better embody the hydraulics competitive advantage.
3, the novel electricity shown in Fig. 2-1-liquid multi-way valve commutation connection, in the main body that the commutation based on the combination of prime power loop joins, can comprise or add very important pressure compensation assembly (CV0) and mounting hole (CVH0) thereof, pressure compensator assembly (CV0) both can be two logical types, also can be three-way type both can be direct-acting type also can be guide's control type.Schematic diagram referring to the novel electricity-liquid multi-way valve shown in Fig. 2-2.By the pilot stage control combination loop that a plurality of corresponding guide's control units and control channel are combined into basic model can be set in the visible side flange control end cap in the schematic diagram.Their common novel chip electricity-liquid multi-way valve commutation connection that constitutes the Collaborative Control that comprises the pressure compensator compensation assembly.Equally, but the commutation of the electricity-liquid multiple directional control valve of this modularization and the combined type combo that has adopted a plurality of compact type two-way plug-in valve control units connection can form flexibly and have diversified function, therefore be unique fully.
4, the flange control end cap 2-2-1-0 of two sides of the described novel chip electricity of Fig. 2-1-liquid multi-way valve, 2-2-2-0 is actually a kind of modularization, guide's controll block of combining, it is for two groups of seat valve mains of being correlated with mutually of the valve piece main body both sides that the chip electricity-commutation of liquid multi-way valve joins being fixed and being connected, can arrange a plurality of in this side end cover body, the innovation guide control unit and the combination that particularly have the employing Newso mounting hole of patent, referring to 1-2-4-3 in the right side cover plate among Fig. 2-3,1-2-4-2,1-2-4-1,1-2-4-4 etc. can make things convenient for and make up guide's controlled stage loop neatly and realize four seat valve mains in two groups of power stage loops are carried out various default combination controls and control separately, comprise electricity-liquid, electricity-liquid proportional, manually etc. control mode also can participate in the additional control to the pressure compensation assembly.But constituted very powerful and unique guide's control combination and the further side flange control end cap of implementing the gasket mounted innovation of modularization, combined type combo of function.Comprise the control combination that comprises the OBE form.
5, shown in Fig. 2-1, the 2-3, the valve piece block 2-1-1 of novel chip electricity-liquid multi-way valve commutation connection main body, has very distinct feature, this valve piece block is based on and can adopts stack-mounted hexahedron or polyhedron, valve piece block preferentially adopts casting technique and through mach valve piece block, also can adopt other technology such as Forging Technology and through mach valve piece block.Must be through machining except four compact type seat valve main mounting holes of inside when adopting cast valve piece block, other relevant runner passes through casting.When adopting forging or section bar blank, except mounting hole, main runner all adopts machining in the valve block.Forging or section bar can be ferrous metal or non-ferrous metal.This more traditional multi-way valve, very various and convenient to be applicable to the more applications occasion on material is selected and formed.The layout of the mounting hole that adopts in the valve piece block is by two groups of power stage loops and assemblage characteristic design thereof, they with the runner that relates to mutually each other be connected with communication be fully unique with through comparing with conventional construction multi-way valve valve body of optimizing, they not only have good manufacturability, and can avoid complicated casting technique requirement, make the foundry goods summary, and the flow resistance loss that guarantees valve inner is minimum or less, thereby not only fundamentally break away from depending on unduly intricate casting and technology in traditional multi-way valve, the runner layout of shown valve piece block inside also can be very unobstructed, and its on-way resistance and local resistance are little far beyond traditional product.Very be conducive to reduce greatly the power loss that the inside flow resistance in the existing multi-way valve is brought.Guide in the valve piece block controls with passage also through unique design and optimization.They at first guarantee to realize high pressure from guide's control mode of fuel feeding, and this is not only very important, and and traditional multi-way valve shown in Figure 1 in the scheme of most band peripheral hardware stand alone type guide control system fundamental difference is arranged.
6, the side flange control end lid of the novel chip electricity shown in Fig. 2-1, the 2-3-liquid multi-way valve commutation connection, 2-2-1-0,2-2-2-0 is characterized in that the body 2-2-1-1 of this end cap, hexahedron or the polyhedron that 2-2-2-1 is a kind of complete unique design, this end cover body is the same with main valve body, can adopt foundry goods or forging blank, and form through machining.End cover body four or more bolt hole can be set and adopt in the hexagonal clamping bolt be connected with valve piece block two side attachment faces and seal, shown flange-type side flange control cover plate is used for fixing seal and communication with the seat valve main of the both sides, valve piece main body top that are connected, the design of this end cover body both fully taken into account can arrange various miniature, the standard installation hole of the small-sized guide's control unit that is threaded, it mainly is the mounting hole that has adopted a plurality of innovative pilot-actuated valves that are threaded, as the Newso mounting hole of patent, see among Fig. 2-3 in the end cap of left side H1-1-0-H1-1-1 etc.Also can be in Fig. 2-3 F1-1-1-1 and F-1-2-1-1 arrange as Fig. 3-2, have the remarkable structural feature of the standard attachment face of employing ISO4401-02 or CETOP-02 class miniature solenoid valve among the 3-3.In addition, also contain numerous guide's control channel and supplementary structure in end cover body inside.Be provided with uniquely in the bottom of end cover body adjacent axis is paralleled with valve piece block side, but guide's control unit mounting hole and respective channel that two seat valve mains that are arranged at the bottom are controlled, this realization made up from fuel feeding guide control loop, obviously different with traditional product, thus constitute the side flange control end lid of the modularized combination type of uniqueness fully.On the end cover body by being provided with at least 4 or more screw hole reliably to be connected mutually with valve piece block 2-1-1.The side flange control end lid of this innovation and guide's control unit of combination thereof and structure have abideed by equally fully that the decomposing type about guide's control loop designs and control principle in two-way plug-in valve " the liquid resistance is theoretical " and " design of combination hydraulic loop ", not only cooperate and constituted the main in the power stage loop in the main valve piece is controlled resistance (primary valve) number can be minimum and less.Simultaneously, characteristics from fuel feeding self-controlled type guide control have also been realized.
7, be the innovation chip electricity-liquid multi-way valve commutation connection that adopts basic model valve piece block shown in Fig. 3-1, it is characterized in that commutation connection main body is the basic model body, two side flange control end caps are the combination of the flange control end cap of basic model, constitute four the four-way electricity-liquid commutation connection with four four-way functions.The top symmetry top-cross that is further characterized in that two side flanges control end cap install two can be identical or different the miniature guide who is threaded of employing control directional control valve, the main innovative two-position three way pilot solenoid valve that adopts patent Newso mounting hole, they can be valve core of the spool valve or seat valve spool.Not only control performance is comparatively suitable owing to the novel pilot-actuated valve based on the Newso mounting hole, and compare with commercially available existing product, its amount body is very little, and this will very be conducive to compactness, miniaturization and the multifunction of combined electrical-liquid multi-way valve commutation connection main body.
8, adopt the innovation chip electricity-liquid multi-way valve commutation connection of basic model valve piece block shown in Fig. 3-2, it is characterized in that commutation connection main body is the basic model body, in two side flange control end caps, a left side, right side flange control end cap is the structure of layout type, difference is, the side blind flange plate body of this configuration is kept in advance at an upper portion thereof and can be provided with the attachment face that meets ISO4401-02 and CETOP-02 class standard, therefore, two sides can symmetry be installed the pilot-actuated valve of two miniature two-position four-ways or the miniature 3-position 4-way pilot-actuated valve of the corresponding innovation of the single installation of a side, like this, the layout type flange control end cap of commutation connection main body and two sides and guide's control unit are combined into the four-way electricity-liquid multi-way valve commutation connection with four threeways or 3-position 4-way function.This structure and layout are unique fully and innovation.Can see the CETOP-02 attachment face that the side flange end covers face by Fig. 3-6 at upside.
9, Fig. 3-3,3-6 is the innovation chip electricity-liquid multi-way valve commutation connection that adopts basic model valve piece block, it is characterized in that commutation connection main body is the basic model body, in two side flange control end caps, a left side, right two side flanges control end cap is the structure of layout type, its top is provided with and meets ISO4401-02 and CETOP-02 class standard attachment face, and the miniature 3-position 4-way control valve of corresponding manual control type can be installed, the combination of left side layout type flange control end cap has the manual pilot reversing valve of miniature 3-position 4-way among the figure, the combination of the right side layout type flange control end portion of covering has miniature two-position four-way electromagnetic priority valve, the 3-position 4-way hand behaviour type multi-way valve commutation connection of common 3-position 4-way (manually) the operating function function of forming.The two-position four-way electromagnetic priority valve on right side can be used to cooperate the combination Differential Control.Equally, this structure and layout also are unique fully and innovation.Fig. 3-6 upper right side is the miniature three-position four-way valve of manual control type and the attachment face thereof that adopts.
10, Fig. 3-4 is the another kind of innovation chip electricity with ratio (throttling) control function-liquid multi-way valve commutation connection that adopts foundry goods or forging valve piece block, it is characterized in that commutating, relevant seat valve main is proportional control type seat valve main in the connection main body, comprising the guide's controlled stage and the corresponding structure that are complementary with proportional control type seat valve main in the two side flange control ends lid, be further characterized in that, by be connected main hydraulic fluid port P and execution architecture hydraulic fluid port A, the left side, top of B, right two seat valve mains and a left side, the coupling that the proprietary layout type flange control end portion of covering of right two sides sets in advance and coordination control structure can constitute A, the ratio flow output of B outlet.3-4-1-1 among the figure, 3-4-2-1 are electromagnet and guide's controlled stages of ratio flow control combination.Be further characterized in that, by with two the seat valve mains that are arranged in two sides about valve piece block bottom that are connected main hydraulic fluid port T and execution architecture hydraulic fluid port A, B and corresponding about the proprietary layout type flange control end cap of two sides be positioned at the coupling that sets in advance of bottom equally and coordinate control structure, can constitute the proportional control of the return pressure of A, B return opening.3-4-1-2 among the figure, 3-4-2-2 are guide's controlled stages of the electromagnet of ratio pressure control combination.
It is the proportional control type multi-way reversing connection of a kind of complete uniqueness and innovation shown in Fig. 3-4, it and tradition adopt the slide valve type main of linking type control to have very big difference, single control structure as a freestanding non-interlock, can carry out according to the actual requirements with tissue different main valve ports, it mainly is the independent proportional control of P → A, P → B, A → T, four primary valves of B → T, be not only flow and be pressure control and combination thereof, only under minority comparatively and other situation, the demand for control of four just must realization traditional hydraulic fluid port linking types.In addition, the ratio pressure of this combination configuration is controlled also to have and is wanted to add the possibility of carrying out energy storage control in machine-hydraulic hybrid type power control.
11, Fig. 3-the 5th, a kind of innovation chip electricity with Differential Control flow regeneration function-liquid multi-way valve commutation connection that adopts forging or foundry goods valve piece block, its fundamental composition feature is close with Fig. 3-1 be the to commutate flange control end cap of two sides about connection, be configurable flange control end cap, but having increased by one at the medium position of the layout type flange on right side control end cap can be to the independently bypass type switch control of the carrying out of the seat valve main of an adjacent side, adopt two-position three way pilot solenoid valve element and the control channel of Newso mounting hole, cooperation is to control A, relevant seat valve main CV1 in the B input hydraulic fluid port, CV2 carries out stroke adjustment, can constitute the novel electricity-liquid multi-way valve commutation connection with adjustable Differential Control and flow regeneration function.Shown in Fig. 2-2 schematic diagram.This only by a small amount of change guide's control unit and loop combination, the feature that just can realize Differential Control of Fluid Cylinder and flow regeneration function is very important and practical.It not only is conducive to cooperate the configuration that reduces the flow in the main power, and does not need to increase as traditional multi-way valve new element connection or element.
12, a kind of innovation chip electricity with A, B mouth repairing function-liquid multi-way valve commutation connection that adopts Xia spare or foundry goods valve piece block, it is characterized in that by in the commutation connection main body seat valve main to the Variant Design of two seat valve mains about the bottom that connects A, B mouth and main hydraulic fluid port T, can constitute have A, the novel electricity of B mouth secondary repairing function-liquid multi-way valve commutation connection.Symbol basis referring to seat valve main CV3, CV4 among Fig. 2-2.
13, Fig. 4-the 1st plants by three novel chip electricity-liquid multi-way valve commutation connection 4-1,4-2,4-3, each a slice input connection 4-0 and tail connection 4-4 are total to system's connection that 5-linked is formed, and this system's connection can carry out electricity-liquid by the controller based on meter mark machine and PLC or special use and control.Also can grasp handle and device is far grasped by electricity.Comprised employing CAN bussing technique.Can form various diversified systems connection according to the difference control needs of different movable type mechanicals.
14, Fig. 4-the 2nd, a kind of integrated type electricity-liquid multi-way valve that adopts the novel chip electricity that the meets claim 1～12-liquid multi-way valve commutation connection of Xia spare or foundry goods valve piece block, it can constitute and innovative integrated type electricity-liquid multi-way valve multi-joint or more multi-joint shown in Fig. 4-1.They are the integrated type except valve piece block, and the main pick-and-place components in the integral valve piece and the flange end cap of side make up fully and slice structure can be general each other, and realize that the modular type modular configurations realizes diversified demand for control.
15, Fig. 5-the 1st, another kind of novel chip electricity-liquid multi-way valve commutation connection, this novel chip electricity-liquid multi-way valve commutation connection valve piece is for the hexahedron blank of employing casting technique and through mach structure, it is characterized in that comprising the two-way plug-in valve control unit that four seat valve mains in the valve body and mounting hole thereof can adopt the miniaturization of compact type two-way plug-in valve seat valve main mounting hole and corresponding Variant Design, but in the layout of its four seat valve mains, the axis of two mains of homonymy is parallel each other, is a kind of new layout.The valve block of this new layout must adopt the casting technique manufacturing usually.The feature of the seat valve main layout that this employing is new also is the two side flanges control end cap of valve piece main body, except can adopting the side flange control cover plate form described in top 1-12, also can directly adopt the modular flange control cover plate and the Variant Design thereof that are complementary separately with each compact type two-way plug-in valve seat valve main, constitute another kind of novel modularized, the combined electrical-liquid multi-way valve commutation connection that adopts the compact type two-way plug-in valve seat valve main control of innovation by them.This valve piece block foundry goods that needs the chip electricity-liquid multi-way valve of employing casting technique can carry out modification and preparation according to diversified electricity-liquid multi-way valve commutation connection valve piece needs.After the passage that valve piece block links to each other with four seat valve main mounting holes all adopted the casting technique moulding, not only to be that unique and valve shown in Fig. 2-1 have obvious different for the layout between seat valve main mounting hole and the passage, referring to Fig. 5-2.
16, by the novel chip electricity of Fig. 5-1-liquid multi-way valve commutation connection, also can form various diversified chip connected system connection, Fig. 5-3 according to the difference control needs of different mechanically movings.
Modular type combined electrical liquid multi-way valve of the present utility model system can extensively apply in all kinds of movable type mechanicals and the equipment, comprise Hoisting Machinery and equipment, concreting machinery, excavation machinery, happy road machinery, piling machinery, mining machinery, heavy goods vehicles a piece of wood serving as a brake to halt a carriage, boats and ships, harbour and ocean heavy industry equipment etc.
Undoubtedly, novel electricity of the present utility model-liquid multi-way valve has only been showed partly example, is not limited to above example in actual applications.The utility model can carry out more diversified expansion, variation, disposes combination.All in belonging to scheme of the present utility model and principle, any equivalence of giving is replaced, and improvement and reorganization are within protection domain of the present utility model.
Claims (17)
1. adopt the modularized combination type electricity liquid multi-way valve system of compact type two-way plug-in valve, it is characterized in that: comprise by two groups of each two two reversible controlled chamber that compact type two-way plug-in valve seat valve main is controlled, one group is carried out load compensation control cartridge valve pressure compensation control unit, and valve piece block is formed the main body of electric liquid multi-way valve; Described main body carries out controlling from the fuel feeding guide via the flange control cover plate of two sides; By described electric liquid multi-way valve main body, the flange of side control end cap pilot stage and enclosure group are synthetic to have four main hydraulic fluid port P, T, A, B and a plurality of control port Pc, Tc, Ls and auxiliary aperture, forms stack-mountedly to join from fuel feeding novel high-pressure electricity-liquid multi-way valve commutation; The main hydraulic fluid port that partly links to each other with work mechanism with power;
The main body of described electric liquid multi-way valve, it has comprised two groups of compact type two-way plug-in valve seat valve mains with two main hydraulic fluid ports of totally four symmetric configurations and configuration, is made of four controlled primary valves of electric liquid multi-way valve these two groups of seat valve mains;
Described commutation connection is provided with to install two groups of two-way plug-in valve mounting hole and independent cartridge valve mounting holes that arrange of totally four symmetric configurations in its valve piece block;
Described flange control end cap, but be used for to two groups of the relevant symmetric configuration of the valve piece main body of chip electricity-liquid multi-way valve commutation connection totally four seat valve mains carry out the fixedly connected of two side sides and control.
2. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: in the main body of commutation connection institute to comprise the pressure compensation assembly be two to lead to the wherein a kind of of types, three-way type.
3. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: in the main body of commutation connection institute to comprise the pressure compensation assembly be straight ejector half control type.
4. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: in the main body of commutation connection institute to comprise the pressure compensation assembly be guide's control type.
5. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: institute comprises the pressure compensation assembly and has the compact type two-way plug-in valve pressure compensation assembly that modular flange is controlled cover plate for adopting in the main body of commutation connection.
6. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: comprise the structure of pressure compensation assembly for adopting screw-in cartridge valve mounting hole or other mounting hole to connect in the main body of commutation connection.
7. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: also can preset guide's control unit and the control channel of pressure compensation being implemented corresponding control in two side flange control end caps.
8. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system, it is characterized in that: the valve piece block of commutation connection is to adopt chip to connect polyhedral structure.。
9. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system, it is characterized in that: the flange control end cap end cover body of commutation connection side is a kind of polyhedron, end cover body arranges many bolts hole, the interior hexagonal clamping bolt of employing is connected with valve piece block two side attachment faces and seals, described side flange control cover plate is used for fixing, the sealing of the seat valve main of the both sides, valve piece main body top that are connected and links up, and at end cover body a plurality of mounting holes is set; Guide's control unit mounting hole and the respective channel that parallels, places two seat valve mains of bottom to control to adjacent axis and valve piece block side is set in the bottom of end cover body.
10. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: the top symmetry of two side flanges control end caps, and incline to handing over two identical employing screw-in cartridge valve mounting holes are installed.
11. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: on the flange control cover plate of described two sides the two-position four-way pilot-actuated valve is installed.
12. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: the flange control cover plate one side configuration 3-position 4-way control valve of two sides.
13. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system, it is characterized in that: the seat valve main in the commutation connection main body is proportional control type seat valve main, is comprising the guide's controlled stage that is complementary with proportional control type seat valve main simultaneously in the two side flange control ends lid.
14. the modularized combination type electricity liquid multi-way valve system according to claim 10 or 11 or 12 described employing compact type two-way plug-in valves, it is characterized in that: the flange control end cap of two sides about the commutation connection, be layout type flange control end cap, and cover at this layout type flange control end and to be provided with pilot solenoid valve element and control channel.
15. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system, it is characterized in that: in the layout of described four seat valve mains, the axis of two mains of homonymy is parallel each other.
16. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system, it is characterized in that: described valve piece block all adopts the casting technique moulding with the passage that four seat valve main mounting holes link to each other.
17. the modularized combination type of employing compact type two-way plug-in valve according to claim 1 electricity liquid multi-way valve system is characterized in that: being undertaken by multi-disc chip electricity liquid commutation connection of electric liquid multi-way valve system is integrated, forms the system-level structure of plural pieces.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511732 CN203189370U (en) | 2012-09-28 | 2012-09-28 | Modularized combined type electro-hydraulic multi-way valve system adopting compact type two-way cartridge inserted valve |
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| CN 201220511732 CN203189370U (en) | 2012-09-28 | 2012-09-28 | Modularized combined type electro-hydraulic multi-way valve system adopting compact type two-way cartridge inserted valve |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014048181A1 (en) * | 2012-09-28 | 2014-04-03 | 上海人豪液压技术有限公司 | Modular combined electrohydraulic multi-way valve system using compact two-way cartridge valve |
| CN104389834A (en) * | 2014-11-18 | 2015-03-04 | 无锡恒富科技有限公司 | Multigang valve seat for hydraulic system of assembly machine |
| CN105570224A (en) * | 2016-03-02 | 2016-05-11 | 上海神舟汽车节能环保有限公司 | Detachable hydraulic system integrated valve block device |
| WO2016155821A1 (en) * | 2015-04-01 | 2016-10-06 | Sandvik Intellectual Property Ab | Control unit for mining machine |
| CN106122141A (en) * | 2016-05-31 | 2016-11-16 | 上海人豪液压技术有限公司 | Use modularity can combo inserted valve RHCV combination novel electrichydraulic control terminal |
| CN107642514A (en) * | 2017-10-27 | 2018-01-30 | 南京农业大学 | A kind of application valve body for middle fraction horsepower Tractor Electronic Hydraulic Hitch System |
| US10858806B2 (en) | 2019-03-12 | 2020-12-08 | Caterpillar Inc. | Modular manifold having at least two control modules for controlling operation of at least two hydraulic actuators of an earthmoving machine |
| RU2779910C1 (en) * | 2019-03-12 | 2022-09-15 | Кейтерпиллар Инк. | Modular distributor with at least two units for controlling the operation of at least two hydraulic actuators of an earth-moving machine |
| WO2023185475A1 (en) * | 2022-03-31 | 2023-10-05 | 比亚迪股份有限公司 | Flow channel integrated valve and vehicle having same |
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| WO2014048181A1 (en) * | 2012-09-28 | 2014-04-03 | 上海人豪液压技术有限公司 | Modular combined electrohydraulic multi-way valve system using compact two-way cartridge valve |
| CN104389834A (en) * | 2014-11-18 | 2015-03-04 | 无锡恒富科技有限公司 | Multigang valve seat for hydraulic system of assembly machine |
| WO2016155821A1 (en) * | 2015-04-01 | 2016-10-06 | Sandvik Intellectual Property Ab | Control unit for mining machine |
| CN107407301A (en) * | 2015-04-01 | 2017-11-28 | 山特维克知识产权股份有限公司 | Control unit for mining machine |
| CN107407301B (en) * | 2015-04-01 | 2021-05-07 | 山特维克知识产权股份有限公司 | Control unit for mining machine |
| CN105570224A (en) * | 2016-03-02 | 2016-05-11 | 上海神舟汽车节能环保有限公司 | Detachable hydraulic system integrated valve block device |
| CN106122141A (en) * | 2016-05-31 | 2016-11-16 | 上海人豪液压技术有限公司 | Use modularity can combo inserted valve RHCV combination novel electrichydraulic control terminal |
| CN106122141B (en) * | 2016-05-31 | 2018-04-03 | 上海人豪液压技术有限公司 | Using modularization can combo inserted valve RHCV combination electrichydraulic control terminal |
| CN107642514A (en) * | 2017-10-27 | 2018-01-30 | 南京农业大学 | A kind of application valve body for middle fraction horsepower Tractor Electronic Hydraulic Hitch System |
| US10858806B2 (en) | 2019-03-12 | 2020-12-08 | Caterpillar Inc. | Modular manifold having at least two control modules for controlling operation of at least two hydraulic actuators of an earthmoving machine |
| RU2779910C1 (en) * | 2019-03-12 | 2022-09-15 | Кейтерпиллар Инк. | Modular distributor with at least two units for controlling the operation of at least two hydraulic actuators of an earth-moving machine |
| WO2023185475A1 (en) * | 2022-03-31 | 2023-10-05 | 比亚迪股份有限公司 | Flow channel integrated valve and vehicle having same |
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