CN101900198B - Marine gear box integration valve - Google Patents
Marine gear box integration valve Download PDFInfo
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- CN101900198B CN101900198B CN2010102515451A CN201010251545A CN101900198B CN 101900198 B CN101900198 B CN 101900198B CN 2010102515451 A CN2010102515451 A CN 2010102515451A CN 201010251545 A CN201010251545 A CN 201010251545A CN 101900198 B CN101900198 B CN 101900198B
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Abstract
The invention disclose a marine gear box integration valve, which comprises an upper valve body and a lower valve body, wherein a first shuttle valve (11) and a second shuttle valve (15) are arranged in the upper valve body; a third shuttle valve (7), a fourth shuttle valve (8), a first remote control sequence valve (9) and a second remote control sequence valve (10) are arranged in the lower valve body; and oil ducts in the valve are connected in series, and three clutches are controlled by matching with an external operation valve and a pressure increasing valve of the integration valve. The marine gear box integration valve has the advantages of simple structure, unique design and convenient installation, integrates functions of remote control sequence valves and shuttle valves required by a working oil line through a simple structure, facilitates connection with a second-level pressure increasing valve and an operation valve, simplifies the arrangement of a gear box pipeline and realizes compact structure, reliable performance, convenient installation and high maintainability of the oil line.
Description
Technical field
The present invention relates to a kind of integrated valve, relate in particular to the marine gear box integration valve that marine gearbox is carried out hydraulic control.
Background technique
At present, fall along the clutch marine gearbox for band brake, because three clutch component are arranged, the control valve member is many; Piping is complicated, and parts such as control valve, secondary pressure regulator valve, shuttle valve disperse to be provided with, and are connected with steel pipe with pipe joint between each parts; Difficult arrangement on the limited cabinet space of gear-box, in addition, it is many to be between the loaded down with trivial details pipeline of marine gearbox joint; Make troubles for the product installation and maintenance, the joint is prone to oil leakage phenomenon, also influences the appearance quality of product.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of oil-way system simpler; Shorten the oil circuit in the present marine gearbox working oil path; Make control valve, shuttle valve, far control sequence valve, the secondary control valve integrates; Thereby the marine gearbox oil channel structures is compact, reliable performance, the marine gear box integration valve that maintainalbility is good.
Technological scheme of the present invention is following: a kind of marine gear box integration valve; Comprise upper valve body and following valve body; Its key is: be provided with first shuttle valve and second shuttle valve in the said upper valve body, be provided with the 3rd shuttle valve, the 4th shuttle valve, the first control sequence valve far away and the second control sequence valve far away in the said valve body down;
Be respectively arranged with the first control valve oil input channel and the second control valve oil input channel on the said integrated valve, this first control valve oil input channel and the second control valve oil input channel connect upper and lower valve body; Be in series with the second control sequence valve far away on the first control valve oil input channel of said valve body down, be in series with the first control sequence valve far away on the second control valve oil input channel of said valve body down;
Upper valve body near the said first control valve oil input channel both sides is respectively arranged with the first horizontal oil duct and the second horizontal oil duct; Said first horizontal oil duct one end upwards has first oil outlet of first control valve near the first control valve oil input channel, and this first horizontal oil duct the other end connects upper valve body side and has upper valve body first oil outlet; The said second a horizontal oil duct wherein end upwards has second oil outlet of first control valve near the first control valve oil input channel;
The said first horizontal oil duct is through first oil duct and the 3rd shuttle valve UNICOM, said second horizontal oil duct warp second oil duct also with the 3rd shuttle valve UNICOM, said the 3rd shuttle valve switches first oil duct and second oil duct; Said the 3rd shuttle valve oil outlet is through the 3rd oil duct UNICOM first control sequence valve far away, and the control first control sequence valve far away blocks the second control valve oil input channel;
Upper valve body near the said second control valve oil input channel both sides is respectively arranged with the 3rd horizontal oil duct and the 4th horizontal oil duct; The said the 3rd horizontal oil duct one end upwards has first oil outlet of second control valve near the second control valve oil input channel; The 3rd horizontal oil duct the other end connects the upper valve body side and has upper valve body second oil outlet, and the said the 4th a horizontal oil duct wherein end upwards has second oil outlet of second control valve near the second control valve oil input channel;
The said the 3rd first oil duct in horizontal oil duct stage casing and the second shuttle valve UNICOM, the said first horizontal oil duct through second oil duct also with the second shuttle valve UNICOM, said second shuttle valve switches first oil duct and second oil duct; The said second shuttle valve oil outlet connects down through the 4th oil duct, and the valve body bottom surface has down valve body first oil outlet;
The said the 4th horizontal oil duct is through the 3rd oil duct UNICOM first shuttle valve; The said second horizontal oil duct is through the 4th oil duct also UNICOM's first shuttle valve; Said the 3rd oil duct and the 4th oil duct are switched by first shuttle valve, and the said first shuttle valve oil outlet has down valve body second oil outlet in the valve body bottom surface under the 5th oil duct connects;
The said the 3rd horizontal oil duct is through the 5th oil duct and the 4th shuttle valve UNICOM; The said the 4th horizontal oil duct through the 6th oil duct also with the 4th shuttle valve UNICOM; Said the 4th shuttle valve switches the 5th oil duct and the 6th oil duct; Said the 4th shuttle valve oil outlet is through the 6th oil duct UNICOM second control sequence valve far away, and the control second control sequence valve far away blocks the first control valve oil input channel.
A kind of marine gear box integration valve of the present invention has two valve bodies up and down, and valve body is separated, and helps the processing of intercommunicating pore between each integrated component, and intercommunicating pore links into an integrated entity with bolt with the sealing of O type circle between the valve body up and down.Inner integrated two the control sequence valves far away of integrated valve, four shuttle valves; On upper valve body, be connected with the used control valve of marine gearbox; Below following valve body, be connected with the two-stage supercharging valve; Be provided with in the upper valve body side upper valve body first oil outlet and upper valve body second oil outlet for the joint of clutch, said upper valve body first oil outlet and upper valve body second oil outlet respectively with a clutch UNICOM.
Connect through pipeline,, thereby form a complete marine gearbox oil path control system through selection and three clutch working staties of logic original paper control of control valve.The present invention also can be used for falling along the clutch gearbox oil-way system of double speed ratio.
The above-mentioned first horizontal oil duct and the 3rd horizontal oil duct are positioned at the upper valve body right-hand part, and the said second horizontal oil duct and the 4th horizontal oil duct are positioned at valve body left side down.This design oil circuit is simpler, saves valve space.
Said upper valve body first oil outlet and upper valve body second oil outlet are threaded coupling.Cooperate with extraneous tubing round thread, be adapted to be connected, guarantee the sealing and the pressure of whole oil circuit with extraneous.
Working principle:
Three equal off positions of clutch:
First control valve and second control valve mediate, and the first control sequence valve far away and the second control sequence valve far away are in normally open, and working oil passes to first control valve and second control valve, and three first, second, third clutches are not worked, and are in normally open;
The realization of first clutch working state:
Working oil is by getting into second control valve through the second control sequence valve far away; Through the control of second control valve, select first oil outlet of first control valve to get into valve body, working oil is leaded up to the 3rd shuttle valve; Get into the first control sequence valve far away, cut off the oil circuit of first control valve; Working oil is leaded up to second shuttle valve, gets into the pressure charging valve supercharging, and the high-pressure work oil after the supercharging gets into first clutch, promotes first clutch work;
The realization of second clutch working state:
Working oil is by getting into second control valve through the second control sequence valve far away; Select second oil outlet of first control valve to get into valve body through the control of second control valve; Working oil is leaded up to the 3rd shuttle valve, gets into the first control sequence valve far away, cuts off the oil circuit of second control valve; Working oil is leaded up to first shuttle valve, gets into the pressure charging valve supercharging, and the high-pressure work oil after the supercharging gets into second clutch, promotes second clutch work;
According to need of work, working oil is gone into first control valve through the first control sequence valve far away, through the control of first control valve; Select second oil outlet of oil circuit first control valve to get into valve body; Working oil is leaded up to the 4th shuttle valve, gets into the second control sequence valve far away, cuts off the oil circuit of first control valve; Working oil is leaded up to second shuttle valve, gets into the pressure charging valve supercharging, and the high-pressure work oil after the supercharging gets into second clutch, promotes second clutch work;
The realization of three-clutch working state:
Working oil gets into first control valve through the first control sequence valve far away; Through the control of first control valve, select first oil outlet of first control valve to get into the 4th valve body, working oil is leaded up to the 4th shuttle valve; Get into the second control sequence valve far away, cut off the oil circuit of first control valve; Working oil is leaded up to second shuttle valve, gets into the pressure charging valve supercharging, and the high-pressure work oil after the supercharging gets into three-clutch, promotes three-clutch work.
Beneficial effect: the present invention have simple in structure, design is unique easy for installation, through a kind of simple structure, the integrated needed control sequence valve far away of working oil path, shuttle valve function; Be convenient to and being connected of two-stage supercharging valve, control valve; Simplified the layout of gear-box piping, made oil channel structures compact, reliable performance; Simple installation, maintenance is good.
Description of drawings
Fig. 1 is a plan view of the present invention;
Fig. 2 is the worm's eye view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the C-C sectional view of Fig. 3;
Fig. 6 is the D-D sectional view of Fig. 3;
Fig. 7 is the E-E sectional view of Fig. 4;
Fig. 8 is the F-F sectional view of Fig. 4;
Fig. 9 is the H-H sectional view of Fig. 4;
Figure 10 is the G-G sectional view of Fig. 4;
Figure 11 is the I-I sectional view of Fig. 9;
Figure 12 is the plan view of Fig. 4;
Figure 13 is the J-J sectional view of Figure 12;
Figure 14 is asphalt principle figure;
Figure 15 is the installation diagram of the present invention and control valve and pressure charging valve.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, shown in Figure 16; A kind of marine gear box integration valve of the present invention; Comprise upper valve body and following valve body; Link into an integrated entity with bolt between the valve body up and down, and up and down between the valve body intercommunicating pore seal with O type circle.Be provided with first shuttle valve 11 and second shuttle valve 15 in the said upper valve body, be provided with the 3rd shuttle valve 7, the 4th shuttle valve 8, the first control sequence valve 9 far away and the second control sequence valve 10 far away in the said down valve body;
Be respectively arranged with the first control valve oil input channel 1 and the second control valve oil input channel 2 on the said integrated valve, this first control valve oil input channel 1 and the second control valve oil input channel 2 connect upper and lower valve body; Be in series with the second control sequence valve 10 far away on the first control valve oil input channel 1 of said valve body down, be in series with the first control sequence valve 9 far away on the second control valve oil input channel 2 of said valve body down;
Be respectively arranged with the first horizontal oil duct 3 and second horizontal oil duct 4, the first horizontal oil ducts 3 and the second horizontal oil duct 4 near the upper valve body of the said first control valve oil input channel 1 both sides and all be positioned at the first control valve oil input channel, 1 the place ahead;
Said first horizontal oil duct 3 one ends upwards have first oil outlet 5 of first control valve near the first control valve oil input channel 1; These first horizontal oil duct 3 the other ends connect the upper valve body side and have upper valve body first oil outlet 6; This upper valve body first oil outlet 6 is a threaded coupling, and this threaded coupling is through pipeline UNICOM first clutch 17;
The said second horizontal oil duct 4 a wherein end upwards has second oil outlet 36 of first control valve near the first control valve oil input channel 1;
The said first horizontal oil duct 3 is through first oil duct 12 and the 3rd shuttle valve 7 UNICOMs; The said second horizontal oil duct 4 through second oil duct 14 also with the 3rd shuttle valve 7 UNICOMs; Said first oil duct 12 and second oil duct 14 be UNICOM's the 3rd shuttle valve 7 left and right sides filler openings respectively; The right and left wherein oil-feed on one side just promotes said the 3rd shuttle valve 7 and blocks the filler opening of another side to the another side motion, realizes the switching to two filler opening alternatives, and promptly 7 pairs first oil ducts 12 of the 3rd shuttle valve and second oil duct 14 switch;
Said the 3rd shuttle valve 7 oil outlets are through the 3rd oil duct 23 UNICOMs first control sequence valve 9 far away; The control first control sequence valve 9 far away blocks the second control valve oil input channel 2, realizes block second control valve oil input channel 2 through the spool that the 3rd oil duct 23 promotes the first control sequence valve 9 far away to left movement referring to the 3rd shuttle valve 7 oil outlets in Fig. 9 work;
Upper valve body near the said second control valve oil input channel 2 both sides is respectively arranged with the 3rd horizontal oil duct 25 and the 4th horizontal oil duct 26; The 3rd horizontal oil duct 25 and the first horizontal oil duct 3 one are located on the upper valve body right-hand part, and the said the 4th horizontal oil duct 26 and the second horizontal oil duct 4 one are located on down the valve body left side.
The said the 3rd horizontal oil duct 25 1 ends upwards have first oil outlet 27 of second control valve near the second control valve oil input channel 2; The 3rd horizontal oil duct 25 the other ends connect the upper valve body side and have upper valve body second oil outlet 28; Said second oil outlet 28 is a threaded coupling; This threaded coupling is through oil pipe and second clutch 18 UNICOMs, and the said the 4th horizontal oil duct 26 a wherein end upwards has second oil outlet 29 of second control valve near the second control valve oil input channel 2;
As shown in Figure 3, told two arms before and after the said the 3rd horizontal oil duct 25 stage casings, form " ten " font.
As shown in Figure 6; The said the 3rd first oil duct 39 in horizontal oil duct 25 stage casings and second shuttle valve, 15 UNICOMs; The said first horizontal oil duct 3 through second oil duct 30 also with second shuttle valve, 15 UNICOMs; Second oil duct 30 and first oil duct 39 respectively with second shuttle valve, 15 left and right sides filler opening UNICOMs, promote the spool side-to-side movement of second shuttle valve 15 in the work, first oil duct 39 and second oil duct 30 are switched;
Said second shuttle valve, 15 oil outlets connect down through the 4th oil duct 31, and the valve body bottom surface has down valve body first oil outlet 24; Pressure charging valve 22 is fixed on down the lower surface of valve body, and said first oil outlet 24 and pressure charging valve 22 UNICOMs realized supercharging.
As shown in Figure 3, told two arms before and after the 4th horizontal oil duct 26 left ends, form " fourth " font.
As shown in Figure 5; The said the 4th horizontal oil duct 26 is through the 3rd oil duct 40 UNICOMs first shuttle valve 11; The said second horizontal oil duct 4 is through the 4th oil duct 32 also UNICOM's first shuttle valve 11; Said the 4th oil duct 32 and the 3rd oil duct 40 respectively with first shuttle valve, 11 front and back filler opening UNICOMs, said the 3rd oil duct 40 and the 4th oil duct 32 are switched by first shuttle valve 11, said first shuttle valve, 11 oil outlets connect down through the 5th oil duct 33 that the valve body bottom surface has down valve body second oil outlet 34;
The said the 3rd horizontal oil duct 25 is through the 5th oil duct 35 and the 4th shuttle valve 8 UNICOMs; The said the 4th horizontal oil duct 26 through the 6th oil duct 37 also with the 4th shuttle valve 8 UNICOMs; The 5th oil duct 35 and the 6th oil duct 37 are respectively at the 4th shuttle valve 8 left and right sides filler opening UNICOMs, and 8 pairs of the 5th oil ducts 35 of said the 4th shuttle valve and the 6th oil duct 37 switch;
Said the 4th shuttle valve 8 oil outlets are through the 6th oil duct 38 UNICOMs second control sequence valve 10 far away, and the control second control sequence valve 10 far away blocks the first control valve oil input channel 1.
The end face of said upper valve body is fixed with first control valve 20 and second control valve 21; The first control valve oil input channel, 1 UNICOM in filler opening and the upper valve body in these first control valve, 20 valve bodies, interior two oil outlets of first control valve, 20 valve bodies respectively with second oil outlet, the 36 corresponding UNICOMs of first oil outlet 5 and first control valve of first control valve.
The second control valve oil input channel, 2 corresponding UNICOMs in filler opening and the upper valve body in said second control valve, 21 valve bodies, interior two oil outlets of second control valve, 21 valve bodies respectively with second oil outlet, the 29 corresponding UNICOMs of first oil outlet 27 and second control valve of second control valve.
Said down valve body bottom surface is fixed with a pressure charging valve 22, following valve body first oil outlet 24 and following valve body second oil outlet 34 all with pressure charging valve 22 UNICOMs.
Working principle:
Three equal off positions of clutch:
The realization of first clutch 17 working staties:
Working oil is by getting into second control valve 21 through the second control sequence valve 10 far away; Through the control of second control valve 21, select first oil outlet 5 of first control valve to get into valve bodies, working oil is leaded up to the 3rd shuttle valve 7; Get into the first control sequence valve 9 far away, cut off the oil circuit of first control valve 20; Working oil is leaded up to second shuttle valve 15, gets into pressure charging valve 22 superchargings, and the high-pressure work oil after the supercharging gets into first clutch 17, promotes first clutch 17 work;
The realization of second clutch 18 working staties:
Working oil is by getting into second control valve 21 through the second control sequence valve 10 far away; Select second oil outlet 36 of first control valve to get into valve body through the control of second control valve 21; Working oil is leaded up to the 3rd shuttle valve 7, gets into the first control sequence valve 9 far away, cuts off the oil circuit of second control valve 20; Working oil is leaded up to first shuttle valve 11, gets into pressure charging valve 22 superchargings, and the high-pressure work oil after the supercharging gets into second clutch 18, promotes second clutch 18 work;
According to need of work; Working oil is gone into first control valve 20 through the first control sequence valve 9 far away; Through the control of second control valve 20, select second oil outlet 29 of oil circuit first control valve to get into valve bodies, working oil is leaded up to the 4th shuttle valve 8; Get into the second control sequence valve 10 far away, cut off the oil circuit of first control valve 21; Working oil is leaded up to second shuttle valve 15, gets into pressure charging valve 22 superchargings, and the high-pressure work oil after the supercharging gets into second clutch 18, promotes second clutch 18 work;
The realization of clutch 19 working staties:
Working oil gets into first control valve 20 through the first control sequence valve 9 far away; Through the control of first control valve 20, select first oil outlet 27 of first control valve to get into the 4th valve body, working oil is leaded up to the 4th shuttle valve 8; Get into the second control sequence valve 10 far away, cut off the oil circuit of first control valve 21; Working oil is leaded up to second shuttle valve 15, gets into pressure charging valve 22 superchargings, and the high-pressure work oil after the supercharging gets into three-clutch 19, promotes three-clutch 19 work.
Although more than combine accompanying drawing that the preferred embodiments of the present invention are described; But the invention is not restricted to above-mentioned embodiment; Above-mentioned embodiment only is schematic rather than determinate, and those of ordinary skill in the art is under enlightenment of the present invention, under the prerequisite of aim of the present invention and claim; Can make multiple similar expression, such conversion all falls within protection scope of the present invention.
Claims (3)
1. marine gear box integration valve; Comprise upper valve body and following valve body; It is characterized in that: be provided with first shuttle valve (11) and second shuttle valve (15) in the said upper valve body, be provided with the 3rd shuttle valve (7), the 4th shuttle valve (8), the first control sequence valve (9) far away and the second control sequence valve (10) far away in the said valve body down;
Be respectively arranged with the first control valve oil input channel (1) and the second control valve oil input channel (2) on the said integrated valve, this first control valve oil input channel (1) and the second control valve oil input channel (2) connect upper and lower valve body; Be in series with the second control sequence valve (10) far away on the first control valve oil input channel (1) of said valve body down, be in series with the first control sequence valve (9) far away on the second control valve oil input channel (2) of said valve body down;
Upper valve body near said first control valve oil input channel (1) both sides is respectively arranged with the first horizontal oil duct (3) and the second horizontal oil duct (4); Said first horizontal oil duct (3) one ends upwards have first oil outlet (5) of first control valve near the first control valve oil input channel (1), and this first horizontal oil duct (3) the other end connects upper valve body side and has upper valve body first oil outlet (6); The said second horizontal oil duct (a 4) wherein end upwards has second oil outlet (36) of first control valve near the first control valve oil input channel (1);
The said first horizontal oil duct (3) is through first oil duct (12) and the 3rd shuttle valve (7) UNICOM; The said second horizontal oil duct (4) through second oil duct (14) also with the 3rd shuttle valve (7) UNICOM, said the 3rd shuttle valve (7) switches first oil duct (12) and second oil duct (14); Said the 3rd shuttle valve (7) oil outlet is through the 3rd oil duct (23) the UNICOM first control sequence valve (9) far away, and the control first control sequence valve far away (9) blocks the second control valve oil input channel (2);
Upper valve body near said second control valve oil input channel (2) both sides is respectively arranged with the 3rd horizontal oil duct (25) and the 4th horizontal oil duct (26); The said the 3rd horizontal oil duct (25) one ends upwards have first oil outlet (27) of second control valve near the second control valve oil input channel (2); The 3rd horizontal oil duct (25) the other end connects the upper valve body side and has upper valve body second oil outlet (28), and the said the 4th horizontal oil duct (a 26) wherein end upwards has second oil outlet (29) of second control valve near the second control valve oil input channel (2);
The said the 3rd horizontal oil duct (25) first oil duct in stage casing (39) and second shuttle valve (15) UNICOM; The said first horizontal oil duct (3) through second oil duct (30) also with second shuttle valve (15) UNICOM, said second shuttle valve (15) switches first oil duct (39) and second oil duct (30); Said second shuttle valve (15) oil outlet connects down through the 4th oil duct (31), and the valve body bottom surface has down valve body first oil outlet (24);
The said the 4th horizontal oil duct (26) is through the 3rd oil duct (40) UNICOM's first shuttle valve (11); The said second horizontal oil duct (4) is through the 4th oil duct (32) also UNICOM's first shuttle valve (11); Said the 3rd oil duct (40) and the 4th oil duct (32) are switched by first shuttle valve (11), and said first shuttle valve (11) oil outlet has down valve body second oil outlet (34) in the valve body bottom surface under the 5th oil duct (33) connects;
The said the 3rd horizontal oil duct (25) is through the 5th oil duct (35) and the 4th shuttle valve (8) UNICOM; The said the 4th horizontal oil duct (26) through the 6th oil duct (37) also with the 4th shuttle valve (8) UNICOM; Said the 4th shuttle valve (8) switches the 5th oil duct (35) and the 6th oil duct (37); Said the 4th shuttle valve (8) oil outlet is through the 6th oil duct (38) the UNICOM second control sequence valve (10) far away, and the control second control sequence valve far away (10) blocks the first control valve oil input channel (1).
2. according to the said a kind of marine gear box integration valve of claim 1; It is characterized in that: the said first horizontal oil duct (3) is positioned at the upper valve body right-hand part with the 3rd horizontal oil duct (25), and the said second horizontal oil duct (4) is positioned at valve body left side down with the 4th horizontal oil duct (26).
3. according to claim 1 or 2 said a kind of marine gear box integration valves, it is characterized in that: said upper valve body first oil outlet (6) and upper valve body second oil outlet (28) are threaded coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102515451A CN101900198B (en) | 2010-08-12 | 2010-08-12 | Marine gear box integration valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102515451A CN101900198B (en) | 2010-08-12 | 2010-08-12 | Marine gear box integration valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101900198A CN101900198A (en) | 2010-12-01 |
| CN101900198B true CN101900198B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102515451A Active CN101900198B (en) | 2010-08-12 | 2010-08-12 | Marine gear box integration valve |
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| Country | Link |
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| CN (1) | CN101900198B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697442B (en) * | 2016-04-07 | 2018-08-14 | 杭州前进齿轮箱集团股份有限公司 | A kind of low pressure adjusting reversing combined valve of electrical-liquid control |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091982U (en) * | 1991-01-09 | 1992-01-01 | 河北省宁晋县液压件厂 | Combined valve of single-column hydraulic press |
| CN2622451Y (en) * | 2003-05-25 | 2004-06-30 | 湖州生力液压有限公司 | Single handle operated lifting/lowering, steering hydraulic integrated valve |
| CN2720173Y (en) * | 2004-08-27 | 2005-08-24 | 重庆齿轮箱有限责任公司 | Electric-controlled integrated valve for gear box hydraulic system |
| CN201106593Y (en) * | 2007-11-22 | 2008-08-27 | 重庆齿轮箱有限责任公司 | Gearbox pressure integration valve |
| CN201539455U (en) * | 2009-07-14 | 2010-08-04 | 湖州生力液压有限公司 | Lifting and steering hydraulic integrated valve convenient for manual control |
| CN201795027U (en) * | 2010-08-12 | 2011-04-13 | 重庆齿轮箱有限责任公司 | Marine gearbox integrated valve |
-
2010
- 2010-08-12 CN CN2010102515451A patent/CN101900198B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091982U (en) * | 1991-01-09 | 1992-01-01 | 河北省宁晋县液压件厂 | Combined valve of single-column hydraulic press |
| CN2622451Y (en) * | 2003-05-25 | 2004-06-30 | 湖州生力液压有限公司 | Single handle operated lifting/lowering, steering hydraulic integrated valve |
| CN2720173Y (en) * | 2004-08-27 | 2005-08-24 | 重庆齿轮箱有限责任公司 | Electric-controlled integrated valve for gear box hydraulic system |
| CN201106593Y (en) * | 2007-11-22 | 2008-08-27 | 重庆齿轮箱有限责任公司 | Gearbox pressure integration valve |
| CN201539455U (en) * | 2009-07-14 | 2010-08-04 | 湖州生力液压有限公司 | Lifting and steering hydraulic integrated valve convenient for manual control |
| CN201795027U (en) * | 2010-08-12 | 2011-04-13 | 重庆齿轮箱有限责任公司 | Marine gearbox integrated valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101900198A (en) | 2010-12-01 |
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