CN104847747A - Modularized flexible hydraulic loop having anti-cavitation function - Google Patents
Modularized flexible hydraulic loop having anti-cavitation function Download PDFInfo
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- CN104847747A CN104847747A CN201510232523.3A CN201510232523A CN104847747A CN 104847747 A CN104847747 A CN 104847747A CN 201510232523 A CN201510232523 A CN 201510232523A CN 104847747 A CN104847747 A CN 104847747A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
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- Chemical & Material Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a modularized flexible hydraulic loop having an anti-cavitation function. The modularized flexible hydraulic loop comprises a hydraulic integrated module that can be superposed in a height direction. The hydraulic integrated module comprises hydraulic element mounting surfaces including an A surface, a B surface, a C surface and a D surface as well as integrated connecting surfaces including an E surface and an F surface. A Pv channel, a Pe channel and a T channel running through the hydraulic integrated module are arranged between the E surface and the F surface. A first oil inlet-outlet G and a second oil inlet-outlet H are arranged on the hydraulic integrated module. A plurality of basic oil channels and a plurality of anti-cavitation oil channels that are communicated with the four mounting surfaces are arranged inside the hydraulic integrated module. The A surface is provided with an anti-cavitation valve that is communicated with a logic oil channel and an oil return port T; different hydraulic loops having the anti-cavitation function can be obtained by adjusting the hydraulic elements on the mounting surfaces, with the functional loops such as load sensitive loop, flow distribution and feedback loop, and oil supplementing loop being simultaneously provided. The modularized flexible hydraulic loop having the anti-cavitation function is of better through-flow capability and strong universality.
Description
Technical field
The present invention relates to technical field of hydraulic, particularly relate to a kind of Modular Flexible oil hydraulic circuit with anti-cavitation pitting function
Background technique
In technical field of hydraulic, in various hydraulic control circuit, cavitation erosion is very general, when hydraulic circuit system normally works, can be subject to the impact of various impulsive load unavoidably, and permanent impulsive load is a major reason of system generation cavitation pitting.Hydraulic element precision is high, and the matching gap of relative movement part is little, matching surface motion and gap can be caused to go wrong, affect logic and the life-span of hydraulic system after producing cavitation pitting.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of highly versatile, can the Modular Flexible oil hydraulic circuit with anti-cavitation pitting function of functionally flexible extension.
For solving the problems of the technologies described above, technological scheme of the present invention is: the Modular Flexible oil hydraulic circuit with anti-cavitation pitting function, comprise the Hydraulic integration module that can short transverse superpose, described Hydraulic integration module comprises four hydraulic element attachment face A faces, B face, C face, D face and two for being connected in series E face, the face that is integrated and connected, the F face of multiple described Hydraulic integration module in parallel, described E face is provided with oil inlet P v, oil inlet P e and oil outlet T, between described E face and described F face, is provided with the Pv passage, Pe passage and the T passage that run through described Hydraulic integration module; Described Hydraulic integration module is provided with the first fluid be connected with hydraulic actuator and imports and exports G and the second fluid imports and exports H;
Be provided with between described A face and described oil outlet Pv
logic oil passage, is provided with between described A face and described oil inlet P e
logic oil passage, is provided with between described A face and described oil outlet T
logic oil passage, described A face and described first fluid are imported and exported between G and are provided with
logic oil passage, described A face, is provided with between B face and D face and crosses in described Hydraulic integration inside modules
logic oil passage and
logic oil passage, is also provided with two independently between described A face and described D face
logic oil passage and
logic oil passage, is provided with between described A face and described B face
logic oil passage;
Be provided with between described B face and described oil outlet T
logic oil passage, described B face and described first fluid are imported and exported between G and are provided with described
logic oil passage is communicated with
logic oil passage, described B face and described second fluid are imported and exported between H and are provided with
logic oil passage;
Be provided with between described D face and described oil inlet P v
oil passage, is provided with between described D face and described oil outlet T
oil passage, described D face and described second fluid are imported and exported between H and are provided with two all with described
logic oil passage is communicated with
logic oil passage and
logic oil passage, is provided with two ports all on described D face in described Hydraulic integration module
logic oil passage;
Described A face is provided with described in connection
logic oil passage and described
the anti-cavitation pitting valve of logic oil passage.
As the preferred technological scheme of one, the hydraulic element that described A face is installed comprise in series flow control valve, one-way valve, reduction valve, pressure-compensated valve, 2/2-way valve one or more.
As the preferred technological scheme of one, described anti-cavitation pitting valve comprises a 2/2-way valve.
As the preferred technological scheme of one, the hydraulic element that described B face is installed comprise selector valve and/or one-way valve.
As the preferred technological scheme of one, described C face is provided with pressure tap or pressure sensor interface.
As the preferred technological scheme of one, described D face is installed in selector valve, one-way valve, change back pressure valve, throttle valve one or more.
As the preferred technological scheme of one, described Hydraulic integration module comprises the submodule MB1029 and submodule MB0629 that are bolted together.
As the preferred technological scheme of one, the panel element attachment face of described Hydraulic integration module adopts ISO4401 standard, and the inserting element mounting hole of described Hydraulic integration module adopts thread cartridge Placement.
Owing to have employed technique scheme, there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function, comprise the Hydraulic integration module that can short transverse superpose, described Hydraulic integration module comprises four hydraulic element attachment face A faces, B face, C face, D face and two for being connected in series E face, the face that is integrated and connected, the F face of multiple described Hydraulic integration module in parallel, described E face is provided with oil inlet P v, oil inlet P e and oil outlet T, between described E face and described F face, is provided with the Pv passage, Pe passage and the T passage that run through described Hydraulic integration module; Described Hydraulic integration module is provided with the first fluid be connected with hydraulic actuator and imports and exports G and the second fluid imports and exports H; Be provided with many basic oil passage of connection four attachment faces and anti-cavitation pitting oil passage in Hydraulic integration module, four attachment faces are provided with the hydraulic element mounting hole corresponding with oil passage, and face is provided with described in connection A
the anti-cavitation pitting valve of logic oil passage and described oil return inlet T, by the hydraulic element on adjustment attachment face, can obtain the different oil hydraulic circuits with anti-cavitation pitting function; Can have the functional loops such as load-sensitive, assignment of traffic feedback and repairing, the formation of flexibility function is determined by loop design simultaneously, and based on board-like or thread cartridge element, flexibility, with to superpose element irrelevant, has good through-current capability, highly versatile.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is embodiment of the present invention hydraulic manifold block four hydraulic element attachment face views;
Fig. 2 is embodiment of the present invention Hydraulic integration junction surface E face view;
Fig. 3 is the plug-in opening sectional view of the screw-in cartridge valve of three kinds of forms of the embodiment of the present invention;
Fig. 4 is the Synthesis principle figure of the embodiment of the present invention;
Fig. 5 is the anti-cavitation pitting working principle of the electric controlled differential flow control circuit of the embodiment of the present invention;
Fig. 6 is the conventional differential speed regulation loop of the embodiment of the present invention) anti-cavitation pitting fundamental diagram;
Fig. 7 is the electric controlled differential flow control circuit schematic diagram that the embodiment of the present invention does not have anti-cavitation pitting function;
Fig. 8 is the conventional differential speed regulation circuit theory figure that the embodiment of the present invention does not have anti-cavitation pitting function.
Embodiment
Below in conjunction with drawings and Examples, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
There is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function, comprise the Hydraulic integration module that can short transverse superpose, as depicted in figs. 1 and 2, described Hydraulic integration module comprises four hydraulic element attachment face A faces, B face, C face, D face and two for being connected in series E face, the face that is integrated and connected, the F face of multiple described Hydraulic integration module in parallel, described E face is provided with oil inlet P v, oil inlet P e and oil outlet T, between described E face and described F face, is provided with the Pv passage, Pe passage and the T passage that run through described Hydraulic integration module; Described Hydraulic integration module is provided with the first fluid be connected with hydraulic actuator and imports and exports G and the second fluid imports and exports H;
As shown in Figure 4, be provided with between described A face and described oil outlet Pv
logic oil passage, is provided with between described A face and described oil inlet P e
logic oil passage, is provided with between described A face and described oil outlet T
logic oil passage, described A face and described first fluid are imported and exported between G and are provided with
logic oil passage, described A face, is provided with between B face and D face and crosses in described Hydraulic integration inside modules
logic oil passage and
logic oil passage, is also provided with two independently between described A face and described D face
logic oil passage and
logic oil passage, is provided with between described A face and described B face
logic oil passage;
Be provided with between described B face and described oil outlet T
logic oil passage, described B face and described first fluid are imported and exported between G and are provided with described
logic oil passage is communicated with
logic oil passage, described B face and described second fluid are imported and exported between H and are provided with
logic oil passage;
Be provided with between described D face and described oil inlet P v
oil passage, is provided with between described D face and described oil outlet T
oil passage, described D face and described second fluid are imported and exported between H and are provided with two all with described
logic oil passage is communicated with
logic oil passage and
logic oil passage, is provided with two ports all on described D face in described Hydraulic integration module
logic oil passage;
Described A face is provided with described in connection
logic oil passage and described
the anti-cavitation pitting valve of logic oil passage, described anti-cavitation pitting valve comprises a 2/2-way valve H4.
The hydraulic element that described A face is installed can also be one or more in series flow control valve, one-way valve, reduction valve, pressure-compensated valve; The hydraulic element that described B face is installed comprise selector valve and/or one-way valve; Described C face is provided with pressure tap or pressure sensor interface; Described D face is installed in selector valve, one-way valve, change back pressure valve, throttle valve one or more.
Described Hydraulic integration module comprises the submodule MB1029 and submodule MB0629 that are bolted together, the panel element attachment face of described Hydraulic integration module adopts ISO4401 standard, the inserting element mounting hole of described Hydraulic integration module adopts thread cartridge Placement, and the structure of plug-in opening as shown in Figure 3.
The hydraulic element that hydraulic element attachment face A face, B face, C face, D face are installed can change as required, the oil hydraulic circuit adopting different hydraulic element to form can realize identical function, same oil hydraulic circuit is by changing the working state of certain hydraulic element, also can obtain different functions, illustrate below:
1, the convertible anti-cavitation pitting fundamental diagram of electric controlled differential flow control circuit and single pump bidirectional speed governing loop is illustrated in figure 5
As shown in Figure 5, realized the conversion in differential speed regulation loop and single pump bidirectional speed governing loop by two position four-way solenoid valve H2 during non-loading sensitive state, when the two right positions of position four-way solenoid valve H2 work, realize the differential speed regulation loop of non-loading sensitive state, when the two left positions of position four-way solenoid valve H2 work, realize single pump bidirectional speed governing loop.Its principle is: when load rapid movement, suddenly slow down or braking, H oil circuit can be caused to produce higher retardation pressure, can produce negative pressure shape on G oil circuit becomes cavitation pitting, in the present invention, owing to being provided with the 2/2-way valve H4 with anti-cavitation pitting function simultaneously, when H oil circuit produces high pressure, 2/2-way valve H4 can be opened, carry out repairing by T oil circuit to G oil circuit, thus avoid the generation of cavitation pitting.Figure 7 shows that the hydraulic schematic diagram that do not possess anti-cavitation pitting function corresponding with Fig. 5.H3 is the main reversing valve being attached to responsive flow control circuit.
2, the anti-cavitation pitting fundamental diagram of double check valve differential speed regulation loop and load-sensitive flow control circuit is illustrated in figure 6
As shown in Figure 6, two circuit components of MB1029 module access differential speed regulation when one-way valve D2, D3 realize load-sensitive state respectively.Its principle is: when load rapid movement, suddenly slow down or braking, H oil circuit can be caused to produce higher retardation pressure, can produce negative pressure shape on G oil circuit becomes cavitation pitting, in the present invention, owing to being provided with the 2/2-way valve H4 with anti-cavitation pitting function simultaneously, when H oil circuit produces high pressure, anti-2/2-way valve H4 can be opened, carry out repairing by T oil circuit to G oil circuit, thus avoid the generation of cavitation pitting.Figure 8 shows that the hydraulic schematic diagram that do not possess anti-cavitation pitting function corresponding with Fig. 6.H3 is the main reversing valve being attached to responsive flow control circuit.
More than show and describe basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (8)
1. there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function, it is characterized in that:
Comprise the Hydraulic integration module that can short transverse superpose, described Hydraulic integration module comprises four hydraulic element attachment face A faces, B face, C face, D face and two for being connected in series E face, the face that is integrated and connected, the F face of multiple described Hydraulic integration module in parallel, described E face is provided with oil inlet P v, oil inlet P e and oil outlet T, between described E face and described F face, is provided with the Pv passage, Pe passage and the T passage that run through described Hydraulic integration module; Described Hydraulic integration module is provided with the first fluid be connected with hydraulic actuator and imports and exports G and the second fluid imports and exports H;
Be provided with between described A face and described oil outlet Pv
logic oil passage, is provided with between described A face and described oil inlet P e
logic oil passage, is provided with between described A face and described oil outlet T
logic oil passage, described A face and described first fluid are imported and exported between G and are provided with
logic oil passage, described A face, is provided with between B face and D face and crosses in described Hydraulic integration inside modules
logic oil passage and
logic oil passage, is also provided with two independently between described A face and described D face
logic oil passage and
logic oil passage, is provided with between described A face and described B face
logic oil passage;
Be provided with between described B face and described oil outlet T
logic oil passage, described B face and described first fluid are imported and exported between G and are provided with described
logic oil passage is communicated with
logic oil passage, described B face and described second fluid are imported and exported between H and are provided with
logic oil passage;
Be provided with between described D face and described oil inlet P v
oil passage, is provided with between described D face and described oil outlet T
oil passage, described D face and described second fluid are imported and exported between H and are provided with two all with described
logic oil passage is communicated with
logic oil passage and
logic oil passage, is provided with two ports all on described D face in described Hydraulic integration module
logic oil passage;
Described A face is provided with described in connection
logic oil passage and described
the anti-cavitation pitting valve of logic oil passage.
2. there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function as claimed in claim 1, it is characterized in that: the hydraulic element that described A face is installed comprise in series flow control valve, one-way valve, reduction valve, pressure-compensated valve, 2/2-way valve one or more.
3. there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function as claimed in claim 1, it is characterized in that: described anti-cavitation pitting valve comprises a 2/2-way valve.
4. there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function as claimed in claim 1, it is characterized in that: the hydraulic element that described B face is installed comprise selector valve and/or one-way valve.
5. there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function as claimed in claim 1, it is characterized in that: described C face is provided with pressure tap or pressure sensor interface.
6. there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function as claimed in claim 1, it is characterized in that: described D face is installed in selector valve, one-way valve, change back pressure valve, throttle valve one or more.
7. there is the Modular Flexible oil hydraulic circuit of anti-cavitation pitting function as claimed in claim 1, it is characterized in that: described Hydraulic integration module comprises the submodule MB1029 and submodule MB0629 that are bolted together.
8. the Modular Flexible oil hydraulic circuit with anti-cavitation pitting function as described in claim as arbitrary in claim 1 to 7, it is characterized in that: the panel element attachment face of described Hydraulic integration module adopts ISO4401 standard, the inserting element mounting hole of described Hydraulic integration module adopts thread cartridge Placement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510232523.3A CN104847747B (en) | 2015-05-08 | 2015-05-08 | Modularized flexible hydraulic loop having anti-cavitation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232523.3A CN104847747B (en) | 2015-05-08 | 2015-05-08 | Modularized flexible hydraulic loop having anti-cavitation function |
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| CN104847747A true CN104847747A (en) | 2015-08-19 |
| CN104847747B CN104847747B (en) | 2017-05-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2406169A1 (en) * | 1973-02-08 | 1974-08-15 | Dba Sa | PRESSURE REGULATING DEVICE FOR ANTI-LOCK REGULATOR |
| JPH07269508A (en) * | 1994-01-25 | 1995-10-17 | Linde Ag | Hydrostatic type driving system |
| CN202690556U (en) * | 2011-12-22 | 2013-01-23 | 山西北方机械制造有限责任公司 | Full-hydraulic-control hydraulic integrated valve group |
| CN203627375U (en) * | 2013-12-20 | 2014-06-04 | 中铁工程装备集团有限公司 | Novel drill jumbo integrated control valve block |
| CN104196803A (en) * | 2014-09-11 | 2014-12-10 | 中国农业大学 | Multifunctional thread insertion valve used for heavy tractor electro-hydraulic lifter |
| CN204628160U (en) * | 2015-05-08 | 2015-09-09 | 日照海卓液压有限公司 | There is the Modular Flexible hydraulic module system of anti-cavitation pitting function |
-
2015
- 2015-05-08 CN CN201510232523.3A patent/CN104847747B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2406169A1 (en) * | 1973-02-08 | 1974-08-15 | Dba Sa | PRESSURE REGULATING DEVICE FOR ANTI-LOCK REGULATOR |
| JPH07269508A (en) * | 1994-01-25 | 1995-10-17 | Linde Ag | Hydrostatic type driving system |
| CN202690556U (en) * | 2011-12-22 | 2013-01-23 | 山西北方机械制造有限责任公司 | Full-hydraulic-control hydraulic integrated valve group |
| CN203627375U (en) * | 2013-12-20 | 2014-06-04 | 中铁工程装备集团有限公司 | Novel drill jumbo integrated control valve block |
| CN104196803A (en) * | 2014-09-11 | 2014-12-10 | 中国农业大学 | Multifunctional thread insertion valve used for heavy tractor electro-hydraulic lifter |
| CN204628160U (en) * | 2015-05-08 | 2015-09-09 | 日照海卓液压有限公司 | There is the Modular Flexible hydraulic module system of anti-cavitation pitting function |
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| CN104847747B (en) | 2017-05-17 |
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