CN107035679A - A kind of Vehicle loaded pump valve body moulding - Google Patents
A kind of Vehicle loaded pump valve body moulding Download PDFInfo
- Publication number
- CN107035679A CN107035679A CN201710438630.0A CN201710438630A CN107035679A CN 107035679 A CN107035679 A CN 107035679A CN 201710438630 A CN201710438630 A CN 201710438630A CN 107035679 A CN107035679 A CN 107035679A
- Authority
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- China
- Prior art keywords
- hole
- annular oil
- runner
- oil groove
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of Vehicle loaded pump valve body moulding, specifically a kind of high-lift concrete Vehicle loaded pump valve body moulding of large-tonnage, including valve body, valve core through hole, directly to runner, oblique runner, runner mouthful and auxiliary flow, two valve core through hole are designed with valve body, the runner mouthful is located on each surface of valve body, with valve inner valve core through hole, annular oil groove, directly to runner, oblique runner is corresponding with auxiliary flow and communicates, the auxiliary flow is several, for connecting each runner of the valve inner, it is made to be connected, this valve body advantage is rational in infrastructure compact, reliable in action, function is more, service life is long.
Description
Technical field
Cast the present invention relates to mechanical engineering field, more particularly to a kind of high-lift concrete Vehicle loaded pump of large-tonnage with valve body
Part.
Background technology
Though China is construction machinery production big country at present, industry is big without strong, low-and-medium-grade products production capacity surplus, high-grade liquid
Element almost all dependence on import is pressed, the serious development for lagging behind main frame industry of development of Hydraulic Industry, is equipment as restriction
The main bottleneck of development of manufacturing.At present, China's hydraulic part industry integral fabrication technique level compared with international advanced country still
There is larger gap.
Vehicle-mounted pump valve casting is as the key components and parts in pumping system, the direction for controlling fluid in pumping system,
The casting technique of Vehicle loaded pump valve body moulding requires very high, because Vehicle loaded pump valve body blank casting is a kind of valve body casting of big runner
Part, runner is complicated, and inner chamber easily produces the defects such as scab vein, and wall thickness is not of uniform size, internal poles there may be shrinkage porosite, shrinkage cavity,
The defect such as graphite is thick, qualified casting is relatively low.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of Vehicle loaded pump valve body moulding, the valve body moulding is integrated
Degree height, reliable in action, function are more, service life is long.
In order to reach foregoing invention purpose, the invention provides a kind of vehicle-mounted pump valve body casting of concrete, the Vehicle loaded pump
Provided with valve core through hole, annular oil groove, directly to runner, oblique runner, runner inside valve body moulding, including valve body (1), valve body (1)
Mouth and auxiliary flow, the valve body (1) include two valve core through hole, i.e. valve core through hole (2) and valve core through hole (3), the runner
Mouthful be located on each surface of valve body (1), with valve body (1) inner spool through hole, annular oil groove, it is straight to runner, oblique runner and
Auxiliary flow is corresponding and communicates, described to be directly used for corresponding oil groove in connection flow road junction and valve body (1) to runner and oblique runner
Or runner, the auxiliary flow is several, for connecting the internal each runner of valve body (1), it is connected.
Further, the valve core through hole (2) and valve core through hole (3) are parallel to each other and in same level, and valve element leads to
Eight annular oil grooves are provided with hole (2) from front to back, the first annular oil groove for being followed successively by valve core through hole (2) is oily to the 8th annular
Eight annular oil grooves are provided with from front to back on groove, valve core through hole (3), are followed successively by the first annular oil groove of valve core through hole (3) to
Eight annular oil grooves.
Further, the first annular oil groove of the valve core through hole (2) and valve core through hole (3) first annular oil groove pass through auxiliary
Runner (4) is connected, and the annular oil groove of valve core through hole (2) the 8th and the annular oil groove of valve core through hole (3) the 8th pass through auxiliary flow (5)
It is connected, auxiliary flow (4) and auxiliary flow (5) are linear pattern auxiliary flow.
Further, auxiliary flow (4) middle and auxiliary flow (5) middle pass through c-type auxiliary flow (6) phase
Connection, the section of c-type auxiliary flow (6) is rectangle.
Further, pass through between the annular oil groove of valve core through hole (2) the 3rd and the annular oil groove of valve core through hole (2) the 6th
C-type auxiliary flow (7) is connected, and passes through between the annular oil groove of valve core through hole (3) the 3rd and the annular oil groove of valve core through hole (3) the 6th
C-type auxiliary flow (8) is connected, and the section of c-type auxiliary flow (7) and c-type auxiliary flow (8) is rectangle.
Further, linear pattern auxiliary flow (9) are passed through between the c-type auxiliary flow (7) and c-type auxiliary flow (8)
It is connected, the section of linear pattern auxiliary flow (9) is circle.
Further, linear pattern auxiliary flow (9) middle and c-type auxiliary flow (6) middle are aided in by linear pattern
Runner (10) is connected and extends to valve body (1) upper surface, and the section of linear pattern auxiliary flow (10) is circle.
Further, valve body (1) right flank is provided with runner mouthful (11), runner mouthful (12) and runner mouthful (13), runner
It is connected between mouth (11) and valve core through hole (2) first annular oil groove by oblique runner (14), runner mouthful (13) and valve element are logical
It is connected between the annular oil groove of hole (2) the 8th by oblique runner (15), is led between runner mouthful (12) and c-type auxiliary flow (7)
Cross and be directly connected to runner (16).
Further, the preceding surface of the valve body (1) is provided with and the second annular oil groove, Fourth Ring on the valve core through hole (2)
Shape oil groove correspondence and the runner that is connected mouthful (17) and with the second annular oil groove, fourth annular oil groove on the valve core through hole (3)
Correspondence and the runner that communicates mouthful (18), the valve body (1) afterwards surface be provided with the 5th annular oil groove on the valve core through hole (2),
7th annular oil groove correspondence and the runner that is connected mouthful (19) and with the 5th annular oil groove, the 7th ring on the valve core through hole (3)
Shape oil groove correspondence and the runner mouthful (20) communicated, the runner mouthful (17), runner mouthful (18), runner mouthful (19), runner mouthful (20)
It is connected between corresponding annular oil groove by c-type auxiliary flow.
Specifically, the valve body (1) is by casting and being integrally formed.
A kind of vehicle-mounted pump valve body casting of concrete of the present invention, has the advantages that：Integrated level is high, rational in infrastructure tight
Gather, reliable in action, function it is many, can cast qualification rate with import substitutes and greatly improve, casting cost is low, and development becomes completely
Gesture is good.
A kind of Vehicle loaded pump valve body processing technology, it is characterised in that following steps：
1) core uses the artificial sand of HA for the precoated sand coremaking of raw material, and its molding sand has dihedral coefficient rounding, intensity Gao Shu
Fat addition is few, the advantages of gas forming amount bottom.
2) melting is using an angstrom willing 5922 nodulizer composite inoculants, and nodulizer addition 0.9-1.0%, composite inoculant is poured
Graphite nodule roundness and number are improved with stream addition 0.2-0.3% during note, while improving intensity stretching force.
3) two main valve holes of casting valve core through hole use Φ 35mm steel pipes, and tube wall bores Φ 6mm apertures and does arbor beneficial to row
Gas, reducing steel pipe wall temperature in one air-breathing of valve opening steel pipe with compressed air during cast increases steel strength, main aperture will not it is curved and
Improve exhaust velocity and reduce bleb.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The Vehicle loaded pump valve body moulding three dimensional structure diagram that Fig. 1 provides for the present invention.
The sectional view in the A-A directions for the Vehicle loaded pump valve body moulding that Fig. 2 provides for the present invention.
The front view for the Vehicle loaded pump valve body moulding that Fig. 3 provides for the present invention.
The rearview for the Vehicle loaded pump valve body moulding that Fig. 4 provides for the present invention.
The right view for the Vehicle loaded pump valve body moulding that Fig. 5 provides for the present invention.
The B-B directions sectional view for the Vehicle loaded pump valve body moulding that Fig. 6 provides for the present invention.
The C-C directions sectional view for the Vehicle loaded pump valve body moulding that Fig. 7 provides for the present invention.
The D-D directions sectional view for the Vehicle loaded pump valve body moulding that Fig. 8 provides for the present invention.
Wherein, reference is corresponded in figure：1- valve bodies, 2- valve core through hole, 3- valve core through hole, 4- auxiliary flows, 5- is auxiliary
Help runner, 6- auxiliary flows, 7- auxiliary flows, 8- auxiliary flows, 9- auxiliary flows, 10- auxiliary flows, 11- runners mouthful, 12-
Runner mouthful, 13- runners mouthful, the oblique runners of 14-, the oblique runners of 15-, 16- is directly to runner, 17- runners mouthful, 18- runners mouthful, 19-
Runner mouthful, 20- runners mouthful.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
In the description of the embodiment of the present invention, it is to be understood that term " on ", " under ", " top ", " bottom ", " interior ", " outer "
Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and
Simplify description, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore be not considered as limiting the invention.In the description of the embodiment of the present invention, " multiple " are meant that two
Individual or two or more, unless otherwise specifically defined.In addition, term " comprising " and " having " and their any change
Shape, it is intended that covering is non-exclusive to be included.
Embodiment：
Fig. 1-Fig. 6 is referred to, the invention provides a kind of overall Vehicle loaded pump valve body moulding, the Vehicle loaded pump valve body moulding,
Including valve body (1), the valve body (1) be inside tetragonal body shape, valve body (1) provided with valve core through hole, annular oil groove, it is straight to runner,
Oblique runner, runner mouth and auxiliary flow, the valve body (1) include two valve core through hole, i.e. valve core through hole (2) and valve core through hole
(3), the runner mouthful is located on each surface of valve body (1), with valve body (1) inner spool through hole, annular oil groove, directly to stream
Road, oblique runner is corresponding with auxiliary flow and communicates, described straight to be used for connection flow road junction and valve body (1) to runner and oblique runner
Interior corresponding oil groove or runner, the auxiliary flow are several, for connecting the internal each runner of valve body (1), it is connected.
Further, the valve core through hole (2) and valve core through hole (3) run through valve body (1) front and rear surfaces, two valve core through hole
It is parallel to each other and in same level, is provided with eight annular oil grooves on valve core through hole (2) from front to back, is followed successively by valve core through hole
(2) first annular oil groove (21), the second annular oil groove (22), the 3rd annular oil groove (23), fourth annular oil groove (24), the 5th
Annular oil groove (25), the 6th annular oil groove (26), the 7th annular oil groove (27), the 8th annular are oily (28), on valve core through hole (3) from
Eight annular oil grooves are provided with after forward direction, be followed successively by the first annular oil groove (31) of valve core through hole (3), the second annular oil groove (32),
3rd annular oil groove (33), fourth annular oil groove (34), the 5th annular oil groove (35), the 6th annular oil groove (36), the 7th annular
Oil groove (37), the 8th annular are oily (38).
Further, the first annular oil groove of the valve core through hole (2) (21) and valve core through hole (3) first annular oil groove (31)
It is connected by auxiliary flow (4), the annular oil groove (28) of valve core through hole (2) the 8th and the annular oil groove of valve core through hole (3) the 8th
(38) it is connected by auxiliary flow (5), auxiliary flow (4) and auxiliary flow (5) are linear pattern auxiliary flow.
Further, auxiliary flow (4) middle and auxiliary flow (5) middle pass through c-type auxiliary flow (6) phase
Connection, the section of c-type auxiliary flow (6) is rectangle.
Further, the annular oil groove (23) of valve core through hole (2) the 3rd and the annular oil groove (26) of valve core through hole (2) the 6th
Between be connected by c-type auxiliary flow (7), the annular oil groove (33) of valve core through hole (3) the 3rd and the annular of valve core through hole (3) the 6th
It is connected between oil groove (36) by c-type auxiliary flow (8), the section of c-type auxiliary flow (7) and c-type auxiliary flow (8) is
Rectangle.
Further, linear pattern auxiliary flow (9) are passed through between the c-type auxiliary flow (7) and c-type auxiliary flow (8)
It is connected, the section of linear pattern auxiliary flow (9) is circle.
Further, linear pattern auxiliary flow (9) middle and c-type auxiliary flow (6) middle are aided in by linear pattern
Runner (10) is connected and extends to valve body (1) upper surface, and the section of linear pattern auxiliary flow (10) is circle.
Further, valve body (1) right flank is provided with runner mouthful (11), runner mouthful (12) and runner mouthful (13), runner
It is connected between mouth (11) and valve core through hole (2) first annular oil groove (21) by oblique runner (14), runner mouthful (13) and valve
It is connected between the annular oil groove (28) of core through hole (2) the 8th by oblique runner (15), runner mouthful (12) and c-type auxiliary flow
(7) middle to runner (16) by being directly connected.
Further, the preceding surface of the valve body (1) is provided with and the second annular oil groove (22) on the valve core through hole (2), the
Four annular oil grooves (24) correspondence and the runner that is connected mouthful (17) and with the second annular oil groove (32) on the valve core through hole (3),
Fourth annular oil groove (34) correspondence and the runner mouthful (18) communicated, surface is provided with and the valve core through hole (2) valve body (1) afterwards
Upper 5th annular oil groove (25), the 7th annular oil groove (27) correspondence and the runner that is connected mouthful (19) and with the valve core through hole
(3) the 5th annular oil groove (35), the 7th annular oil groove (37) correspondence and the runner mouthful (20) communicated on, the runner mouthful (17),
It is connected between runner mouthful (18), runner mouthful (19), runner mouthful (20) and corresponding annular oil groove by c-type auxiliary flow,
Runner mouthful (17) is located at valve core through hole (2) and stretched out directly over the runner mouthful that the preceding surface of valve body (1) is formed, and runner mouthful (19) is located at valve
Core through hole (2) is stretched out directly over valve body (1) runner mouthful that surface is formed afterwards, and runner mouthful (18) is located at valve core through hole (3) and stretches out valve
Directly over the runner mouthful that the preceding surface of body (1) is formed, runner mouthful (20) stretches out valve body (1) positioned at valve core through hole (3) and formed on surface afterwards
Runner mouthful directly over.
Specifically, the Vehicle loaded pump valve body is by casting and being integrally formed.
Key technology when Vehicle loaded pump valve body is cast,
1) core uses the artificial sand of HA for the precoated sand coremaking of raw material, and its molding sand has dihedral coefficient rounding, and intensity is high, tree
Fat addition is few, the advantages of gas forming amount bottom.
2) melting is using an angstrom willing 5922 nodulizer composite inoculants, and nodulizer addition 0.9-1.0%, composite inoculant is poured
With stream addition 0.2-0.3% during note, graphite nodule roundness and number are so improved, while also improving intensity stretching force.
3) two main valve holes are that the first interconnection and the second interconnection in casting uses Φ 35mm steel in casting
Pipe, tube wall bores Φ 6mm apertures and does arbor, is so beneficial to exhaust, is used for during cast with compressed air in one air-breathing of valve opening steel pipe
Steel pipe wall temperature increase steel strength is reduced, such main aperture will not be curved and improves exhaust velocity reduction bleb.
This overall Vehicle loaded pump valve body moulding important technological parameters:
(1) material：QT500-7
(2) tensile strength：≥500Mpa
(3) hardness：HBW170-230
(4) design size requirement is met
(5) without casting flaws such as burning into sand, stomata, shrinkage cavity and porosities, inner chamber is without defects such as scab, fash
(6) casting list amount：270kg
The overall Vehicle loaded pump valve body moulding of the present invention, has the advantages that：Integrated level is high, it is rational in infrastructure it is compact, can
Strong by property, casting qualification rate is greatly improved, casting cost reduction.
Claims (10)
1. provided with valve core through hole, annular oil groove, directly to stream inside a kind of Vehicle loaded pump valve body moulding, including valve body (1), valve body (1)
Road, oblique runner and auxiliary flow, valve body (1) surface is provided with runner mouthful, it is characterised in that the valve body (1) includes two valves
Core through hole, is followed successively by the first valve core through hole (2) and the second valve core through hole (3), and the runner mouthful leads to valve body (1) inner spool
Hole, annular oil groove, straight corresponding with auxiliary flow and communicate to runner, oblique runner, the auxiliary flow is several, for company
Connect the valve body (1) inner spool through hole, annular oil groove, directly to runner and oblique runner, it is connected.
2. Vehicle loaded pump valve body moulding according to claim 1, it is characterised in that the valve core through hole (2) and valve core through hole
(3) it is parallel to each other and in same level, is provided with eight annular oil grooves on valve core through hole (2) from front to back, is followed successively by valve element
The first annular oil groove of through hole (2) is provided with eight annular oil grooves to the 8th annular oil groove from front to back on valve core through hole (3), according to
The secondary first annular oil groove for valve core through hole (3) is to the 8th annular oil groove.
3. Vehicle loaded pump valve body moulding according to claim 2, it is characterised in that the first annular oil of the valve core through hole (2)
Groove is connected with valve core through hole (3) first annular oil groove by auxiliary flow (4), the annular oil groove of valve core through hole (2) the 8th and valve
The annular oil groove of core through hole (3) the 8th is connected by auxiliary flow (5), and auxiliary flow (4) and auxiliary flow (5) are linear pattern
Auxiliary flow.
4. Vehicle loaded pump valve body moulding according to claim 3, it is characterised in that auxiliary flow (4) middle and auxiliary flow
Road (5) middle is connected by c-type auxiliary flow (6), and the section of c-type auxiliary flow (6) is rectangle.
5. Vehicle loaded pump valve body moulding according to claim 2, it is characterised in that the annular oil groove of valve core through hole (2) the 3rd and
Be connected between the annular oil groove of valve core through hole (2) the 6th by c-type auxiliary flow (7), the annular oil groove of valve core through hole (3) the 3rd and
It is connected between the annular oil groove of valve core through hole (3) the 6th by c-type auxiliary flow (8), c-type auxiliary flow (7) and c-type auxiliary flow
The section in road (8) is rectangle.
6. Vehicle loaded pump valve body moulding according to claim 5, it is characterised in that c-type auxiliary flow (7) and c-type auxiliary flow
It is connected between road (8) by linear pattern auxiliary flow (9), the section of auxiliary flow (9) is circle.
7. Vehicle loaded pump valve body moulding according to claim 6, it is characterised in that linear pattern auxiliary flow (9) middle and C
Type auxiliary flow (6) middle is connected by linear pattern auxiliary flow (10) and extends to valve body (1) upper surface, straight line
The section of type auxiliary flow (10) is circle.
8. Vehicle loaded pump valve body moulding according to claim 1, it is characterised in that valve body (1) right flank is provided with runner
By oblique between mouth (11), runner mouthful (12) and runner mouthful (13), runner mouthful (11) and valve core through hole (2) first annular oil groove
Runner (14) is connected, and is connected between runner mouthful (13) and the annular oil groove of valve core through hole (2) the 8th by oblique runner (15),
By being directly connected to runner (16) between runner mouthful (12) and c-type auxiliary flow (7).
9. Vehicle loaded pump valve body moulding according to claim 1, it is characterised in that the preceding surface of the valve body (1) is provided with and institute
State the second annular oil groove on valve core through hole (2), fourth annular oil groove correspondence and the runner that is connected mouthful (17) and with the valve element
Second annular oil groove, fourth annular oil groove correspondence and the runner mouthful (18) communicated on through hole (3), the valve body (1) set on surface afterwards
Have runner corresponding with the 5th annular oil groove, the 7th annular oil groove on the valve core through hole (2) and be connected mouthful (19) and with institute
State the 5th annular oil groove on valve core through hole (3), the 7th annular oil groove correspondence and the runner mouthful (20) communicated.
10. the Vehicle loaded pump valve body moulding according to any one in claim 1-9, it is characterised in that the valve body (1) is led to
Cross and cast and be integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438630.0A CN107035679A (en) | 2017-06-12 | 2017-06-12 | A kind of Vehicle loaded pump valve body moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438630.0A CN107035679A (en) | 2017-06-12 | 2017-06-12 | A kind of Vehicle loaded pump valve body moulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107035679A true CN107035679A (en) | 2017-08-11 |
Family
ID=59540922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710438630.0A Pending CN107035679A (en) | 2017-06-12 | 2017-06-12 | A kind of Vehicle loaded pump valve body moulding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555250A (en) * | 2018-05-04 | 2018-09-21 | 南通华东油压科技有限公司 | CN21100018 valve bodies and its processing technology |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05228577A (en) * | 1992-02-18 | 1993-09-07 | Daihatsu Motor Co Ltd | Structure of casting die for casting cylinder head in internal combusion engine |
| CN1757458A (en) * | 2005-11-01 | 2006-04-12 | 宜昌船舶柴油机厂 | Method for casting cast steel intermediate product of diesel engine |
| CN201021731Y (en) * | 2007-01-11 | 2008-02-13 | 南通华东液压铸业有限公司 | A body for multi-channel hydraulic valve |
| JP2010265840A (en) * | 2009-05-15 | 2010-11-25 | Honda Motor Co Ltd | Cylinder head water jacket structure |
| CN201921988U (en) * | 2010-11-26 | 2011-08-10 | 重庆潍柴发动机厂 | Diesel engine body casting mold |
| CN104043783A (en) * | 2014-06-17 | 2014-09-17 | 中核苏阀横店机械有限公司 | Small-caliber high-class valve body casting core |
| CN104776259A (en) * | 2015-04-21 | 2015-07-15 | 南通华东油压科技有限公司 | Electrohydraulic valve body casting |
| CN204784922U (en) * | 2015-04-21 | 2015-11-18 | 南通华东油压科技有限公司 | Multiple unit valve valve body foundry goods |
| CN105782500A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting |
| CN105772643A (en) * | 2016-05-12 | 2016-07-20 | 南通华东油压科技有限公司 | Casting technology of directional control valve |
| CN205599867U (en) * | 2016-04-22 | 2016-09-28 | 南通华东油压科技有限公司 | Block of four valve valve body foundry goods and mould thereof |
| CN205816738U (en) * | 2016-07-22 | 2016-12-21 | 南通华东油压科技有限公司 | A kind of without fash valve body moulding |
| CN106541083A (en) * | 2016-12-08 | 2017-03-29 | 广西玉柴机器股份有限公司 | The core-making method of large-sized diesel engine cylinder water channel core |
| CN207212653U (en) * | 2017-06-12 | 2018-04-10 | 南通华东油压科技有限公司 | A kind of Vehicle loaded pump valve body moulding |
-
2017
- 2017-06-12 CN CN201710438630.0A patent/CN107035679A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05228577A (en) * | 1992-02-18 | 1993-09-07 | Daihatsu Motor Co Ltd | Structure of casting die for casting cylinder head in internal combusion engine |
| CN1757458A (en) * | 2005-11-01 | 2006-04-12 | 宜昌船舶柴油机厂 | Method for casting cast steel intermediate product of diesel engine |
| CN201021731Y (en) * | 2007-01-11 | 2008-02-13 | 南通华东液压铸业有限公司 | A body for multi-channel hydraulic valve |
| JP2010265840A (en) * | 2009-05-15 | 2010-11-25 | Honda Motor Co Ltd | Cylinder head water jacket structure |
| CN201921988U (en) * | 2010-11-26 | 2011-08-10 | 重庆潍柴发动机厂 | Diesel engine body casting mold |
| CN104043783A (en) * | 2014-06-17 | 2014-09-17 | 中核苏阀横店机械有限公司 | Small-caliber high-class valve body casting core |
| CN104776259A (en) * | 2015-04-21 | 2015-07-15 | 南通华东油压科技有限公司 | Electrohydraulic valve body casting |
| CN204784922U (en) * | 2015-04-21 | 2015-11-18 | 南通华东油压科技有限公司 | Multiple unit valve valve body foundry goods |
| CN105782500A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting |
| CN205599867U (en) * | 2016-04-22 | 2016-09-28 | 南通华东油压科技有限公司 | Block of four valve valve body foundry goods and mould thereof |
| CN105772643A (en) * | 2016-05-12 | 2016-07-20 | 南通华东油压科技有限公司 | Casting technology of directional control valve |
| CN205816738U (en) * | 2016-07-22 | 2016-12-21 | 南通华东油压科技有限公司 | A kind of without fash valve body moulding |
| CN106541083A (en) * | 2016-12-08 | 2017-03-29 | 广西玉柴机器股份有限公司 | The core-making method of large-sized diesel engine cylinder water channel core |
| CN207212653U (en) * | 2017-06-12 | 2018-04-10 | 南通华东油压科技有限公司 | A kind of Vehicle loaded pump valve body moulding |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555250A (en) * | 2018-05-04 | 2018-09-21 | 南通华东油压科技有限公司 | CN21100018 valve bodies and its processing technology |
| CN108555250B (en) * | 2018-05-04 | 2023-05-05 | 南通华东油压科技有限公司 | Valve body |
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Application publication date: 20170811 |