CN102563129B - Electric-hydraulic reversing valve with power loss position limiting function for marine gearboxes - Google Patents
Electric-hydraulic reversing valve with power loss position limiting function for marine gearboxes Download PDFInfo
- Publication number
- CN102563129B CN102563129B CN201210012248.0A CN201210012248A CN102563129B CN 102563129 B CN102563129 B CN 102563129B CN 201210012248 A CN201210012248 A CN 201210012248A CN 102563129 B CN102563129 B CN 102563129B
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- reversing valve
- valve body
- hydraulic reversing
- 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.)
- Active
Links
Landscapes
- Magnetically Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to an electric-hydraulic reversing valve, in particular to the electric-hydraulic reversing valve with a power loss position limiting function for marine gearboxes, which comprises a hydraulic reversing valve body. The hydraulic reversing valve body is provided with three electromagnetic valves which are distributed at intervals, a reversing valve chamber is arranged in the hydraulic reversing valve body, two reversing valve cores are arranged at the two ends in the reversing valve chamber respectively, two positioning slot holes which are distributed at intervals are arranged on the upper ends of the reversing valve cores, three oil guiding holes are arranged in the hydraulic reversing valve body, the three oil guiding holes are connected with the reversing valve chamber and the electromagnetic valves respectively, two oil inlets and two oil outlets are arranged in the hydraulic reversing valve body, and the two oil inlets and the three oil guiding holes are arranged on the same side. The electric-hydraulic reversing valve with the power loss position limiting function for marine gearboxes is simple in structure and simple and convenient to operate, and can guarantee smooth work of ships.
Description
Technical field
Patent of the present invention relates to a kind of electro-hydraulic reversing valve, particularly relates to a kind of band dead electricity limit function electro-hydraulic reversing valve for marine gearbox.
Background technique
Along with the raising that classification society rule requires ship's navigation in currently available technology, particularly in order to meet the needs of high-end boats and ships to navigation safety requirement, when regulation adopts the marine gearbox of Electronic control must possess in boats and ships using process to occur that dead electricity is abnormal, marine gearbox should possess the ability keeping work on hand state constant.The three-position four-way electromagnetic directional valve that conventional marine gearbox is selected works in the energized state, because there being position of automatically making the return trip empty during spring return mechanism dead electricity in valve, cannot realize dead electricity limit function.
Chinese patent CN201010110507.4, a kind of electro hydraulic valve with memory function is disclosed, the three position four-way electromagnetic valve that the program is selected at two ends during equal power-off be neutral and gearbox control system dead electricity time solenoid valve two ends be all in off-position, so cannot distinguish gear-box dead electricity and neutral position state with this solenoid valve, the program is only applicable to gear-box single direction rotation operating mode.And general marine gearbox exports, and all requirements have down, suitable, parking function, namely most of marine gearbox, particularly middle low power marine gearbox substantially all require to have down, suitable, neutral gear function, adopt the program cannot meet marine gearbox working condition requirement.
Summary of the invention
The present invention mainly solves the deficiencies in the prior art, the band dead electricity limit function electro-hydraulic reversing valve for marine gearbox enabling gear-box keep work on hand state constant when providing a kind of gearbox control system to occur abnormal dead electricity.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of band dead electricity limit function electro-hydraulic reversing valve for marine gearbox, comprise hydraulicdirectional control valve body, described hydraulicdirectional control valve body is provided with three solenoid valves distributed separately, solenoid valve comprises the first solenoid valve, second solenoid valve and the 3rd solenoid valve, commutation valve pocket is provided with in described hydraulicdirectional control valve body, two ends in described commutation valve pocket are respectively equipped with changeover valve core, the upper end of described changeover valve core is provided with the location notch hole of locating mutually with it, three oil guiding holes are provided with in described hydraulicdirectional control valve body, oil guiding hole is communicated with the first electromagnetic valve work oil corresponded and enters in oil pocket A, oil guiding hole is communicated with the second electromagnetic valve work oil corresponded and enters in oil pocket B, oil guiding hole is communicated with the 3rd electromagnetic valve work oil corresponded and enters in oil pocket C, two oil inlet holes and two oil outlets are provided with in described hydraulicdirectional control valve body, two described oil inlet holes and three oil guiding holes are positioned at the same side.
Working principle: three solenoid valves can realize, genially stop, during first electromagnetic valve work, working oil is by entering the A oil pocket of selector valve through first solenoid valve oil guiding hole 6-1 after solenoid valve, promote the changeover valve core displacement to the right in commutation valve pocket, make that the longitudinal oil circuit of left end changeover valve core is connected with oil outlet with oil inlet hole respectively with horizontal oil circuit, the longitudinal oil circuit of right-hand member changeover valve core and horizontal oil circuit respectively with oil inlet hole with oil outlet is stifled mutually connects, realize ahead running function; When the 3rd electromagnetic valve work, working oil is by entering the C oil pocket of selector valve through oil guiding hole 6-3 after the 3rd solenoid valve, promote changeover valve core to left dislocation, the longitudinal oil circuit of right-hand member changeover valve core is connected with oil outlet with oil inlet hole respectively with horizontal oil circuit, the longitudinal oil circuit of left end changeover valve core and horizontal oil circuit block up mutually with oil inlet hole and oil outlet respectively and connect, and realize car-backing function; During middle electromagnetic valve work, working oil is by entering the B oil pocket of selector valve through oil guiding hole 6-2 after middle solenoid valve, the promotion changeover valve core of left end and the changeover valve core of right-hand member move respectively to both sides, the longitudinal oil circuit of left and right end changeover valve core and horizontal oil circuit are blocked up mutually with oil inlet hole and oil outlet respectively connect, realize (neutral) function of stopping.When abnormal power-down appears in solenoid valve, import and the radial force effect of limited location steel ball on changeover valve core owing to all not having working oil in A, B, C tri-oil pockets, working oil path can keep its working state constant.
As preferably, described changeover valve core is provided with two Oil Guide annular grooves distributed separately, radial hole is provided with in described changeover valve core, the right-hand member of described radial hole is connected with horizontal oil circuit, the left end of described radial hole is connected with longitudinal oil circuit, described horizontal oil circuit and longitudinal oil circuit lay respectively in two Oil Guide annular grooves, described Oil Guide annular groove matches corresponding with mobile with oil inlet hole and oil outlet, the right end sidewalls of described changeover valve core is provided with shaft part, the upper end of described changeover valve core is provided with the location notch hole of two distributions separately, two location plug screws are provided with in described hydraulicdirectional control valve body, the bottom of described location plug screw is provided with locking ball, described locking ball and location notch hole match fixing, two described location plug screws are corresponding with two changeover valve cores respectively, the outer end sidewall of described changeover valve core connects by supporting screw is stifled mutually.
The spacing of changeover valve core is realized by location plug screw, simple to operate, meet marine gearbox working condition requirement simultaneously.
As preferably, overlap limited location spring in described location plug screw, the diameter of described shaft part is less than the diameter of changeover valve core, the symmetrical distribution of shaft part in two described changeover valve cores.
As preferably, the two ends of described commutation valve pocket connect respectively by plug screw and hydraulicdirectional control valve body are stifled mutually, described solenoid valve and hydraulicdirectional control valve body are fixed by bolt, and the bottom of described solenoid valve is respectively equipped with emergency maneuver handle, and described solenoid valve is wet type two-bit triplet solenoid valve.
The invention provides the band dead electricity limit function electro-hydraulic reversing valve for marine gearbox, its structure is simple, easy and simple to handle, can ensure ship reliably working.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A structural representation in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of changeover valve core in Fig. 1.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1: as Fig. 1, shown in Fig. 2 and Fig. 3, a kind of band dead electricity limit function electro-hydraulic reversing valve for marine gearbox, comprise hydraulicdirectional control valve body 1, described hydraulicdirectional control valve body 1 is provided with three solenoid valves distributed separately 2, solenoid valve comprises the first solenoid valve, second solenoid valve and the 3rd solenoid valve, commutation valve pocket 3 is provided with in described hydraulicdirectional control valve body 1, two ends in described commutation valve pocket 3 are respectively equipped with changeover valve core 4, the upper end of described changeover valve core 4 is provided with the location notch hole 5 of locating mutually with it, three oil guiding holes 6 are provided with in described hydraulicdirectional control valve body 1, oil guiding hole 6-1 is communicated with the first electromagnetic valve work oil corresponded and enters in oil pocket A, oil guiding hole 6-2 is communicated with the second electromagnetic valve work oil corresponded and enters in oil pocket B, oil guiding hole 6-3 is communicated with the 3rd electromagnetic valve work oil corresponded and enters in oil pocket C, two oil inlet holes 9 and two oil outlets 10 are provided with in described hydraulicdirectional control valve body 1, described two oil inlet holes 9 and three oil guiding hole 6-1, 6-2, 6-3 is positioned at the same side.Described changeover valve core 4 is provided with two Oil Guide annular grooves 7 distributed separately, radial hole 8 is provided with in described changeover valve core 4, the right-hand member of described radial hole 8 is connected with horizontal oil circuit 19, the left end of described radial hole 8 is connected with longitudinal oil circuit 20, described horizontal oil circuit 19 and longitudinal oil circuit 20 lay respectively in two Oil Guide annular grooves 7, described Oil Guide annular groove 7 matches corresponding with mobile with oil inlet hole 9 and oil outlet 10, the right end sidewalls of described changeover valve core 4 is provided with shaft part 11, the upper end of described changeover valve core 4 is provided with the location notch hole 5 of two distributions separately, two location plug screws 12 are provided with in described hydraulicdirectional control valve body 1, the bottom of described location plug screw 12 is provided with locking ball 13, described locking ball 13 matches fixing with location notch hole 5, two described location plug screws 12 are corresponding with two changeover valve cores 4 respectively, the outer end sidewall of described changeover valve core 4 connects by supporting screw 14 phase is stifled, limited location spring 15 is overlapped in described location plug screw 12, the diameter of described shaft part 11 is less than the diameter of changeover valve core 4, the symmetrical distribution of shaft part 11 in two described changeover valve cores 4, the two ends of described commutation valve pocket 3 connect respectively by plug screw 16 and hydraulicdirectional control valve body 1 phase are stifled, described solenoid valve and hydraulicdirectional control valve body 1 are fixed by bolt 17, the bottom of described solenoid valve is respectively equipped with emergency maneuver handle 18, described solenoid valve is wet type two-bit triplet solenoid valve.
Claims (4)
1. the band dead electricity limit function electro-hydraulic reversing valve for marine gearbox, it is characterized in that: comprise hydraulicdirectional control valve body (1), described hydraulicdirectional control valve body (1) is provided with three solenoid valves distributed separately (2), solenoid valve comprises the first solenoid valve, second solenoid valve and the 3rd solenoid valve, commutation valve pocket (3) is provided with in described hydraulicdirectional control valve body (1), two ends in described commutation valve pocket (3) are respectively equipped with changeover valve core (4), the upper end of described changeover valve core (4) is provided with the location notch hole (5) of locating mutually with it, the first oil guiding hole (6-1) is provided with in described hydraulicdirectional control valve body (1), second oil guiding hole (6-2) and the 3rd oil guiding hole (6-3), first oil guiding hole (6-1) is communicated with the first electromagnetic valve work oil corresponded and enters in the first oil pocket (A), second oil guiding hole (6-2) is communicated with the second electromagnetic valve work oil corresponded and enters in the second oil pocket (B), 3rd oil guiding hole (6-3) is communicated with the 3rd electromagnetic valve work oil corresponded and enters in the 3rd oil pocket (C), two oil inlet holes (9) and two oil outlets (10) are provided with in described hydraulicdirectional control valve body (1), two described oil inlet holes (9) and the first oil guiding hole (6-1), second oil guiding hole (6-2) and the 3rd oil guiding hole (6-3) are positioned at the same side.
2. the band dead electricity limit function electro-hydraulic reversing valve for marine gearbox according to claim 1, it is characterized in that: described changeover valve core (4) is provided with two Oil Guide annular grooves (7) distributed separately, radial hole (8) is provided with in described changeover valve core (4), the right-hand member of described radial hole (8) is connected with horizontal oil circuit (19), the left end of described radial hole (8) is connected with longitudinal oil circuit (20), described horizontal oil circuit (19) and longitudinal oil circuit (20) lay respectively in two Oil Guide annular grooves (7), described Oil Guide annular groove (7) matches corresponding with mobile with oil inlet hole (9) and oil outlet (10), the right end sidewalls of described changeover valve core (4) is provided with shaft part (11), the upper end of described changeover valve core (4) is provided with two location notch holes distributed separately (5), two location plug screw (12) are provided with in described hydraulicdirectional control valve body (1), the bottom of described location plug screw (12) is provided with locking ball (13), described locking ball (13) and location notch hole (5) match fixing, two described location plug screw (12) are corresponding with two changeover valve cores (4) respectively, the outer end sidewall of described changeover valve core (4) connects by supporting screw (14) is stifled mutually.
3. the band dead electricity limit function electro-hydraulic reversing valve for marine gearbox according to claim 2, it is characterized in that: cover limited location spring (15) in described location plug screw (12), the diameter of described shaft part (11) is less than the diameter of changeover valve core (4), shaft part (11) the symmetrical distribution in two described changeover valve cores (4).
4. the band dead electricity limit function electro-hydraulic reversing valve for marine gearbox according to claim 1 and 2, it is characterized in that: the two ends of described commutation valve pocket (3) connect respectively by plug screw (16) and hydraulicdirectional control valve body (1) are stifled mutually, described solenoid valve and hydraulicdirectional control valve body (1) are fixed by bolt (17), the bottom of described solenoid valve is respectively equipped with emergency maneuver handle (18), and described solenoid valve is wet type two-bit triplet solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012248.0A CN102563129B (en) | 2012-01-16 | 2012-01-16 | Electric-hydraulic reversing valve with power loss position limiting function for marine gearboxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012248.0A CN102563129B (en) | 2012-01-16 | 2012-01-16 | Electric-hydraulic reversing valve with power loss position limiting function for marine gearboxes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102563129A CN102563129A (en) | 2012-07-11 |
| CN102563129B true CN102563129B (en) | 2015-01-07 |
Family
ID=46409346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210012248.0A Active CN102563129B (en) | 2012-01-16 | 2012-01-16 | Electric-hydraulic reversing valve with power loss position limiting function for marine gearboxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102563129B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482252B (en) * | 2015-01-06 | 2017-04-05 | 胡甜甜 | A kind of integrated reversing valve |
| CN107829834A (en) * | 2015-06-12 | 2018-03-23 | 李丽容 | A kind of control valve of oil gas carburetor |
| CN113719487B (en) * | 2021-07-21 | 2022-04-15 | 北京中金泰达电液科技有限公司 | Low-temperature hydraulic combined valve terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2062186A (en) * | 1979-10-30 | 1981-05-20 | Bosch Gmbh Robert | Multi-position valve having an actuating device |
| CN2305535Y (en) * | 1997-03-27 | 1999-01-27 | 胡忠高 | Micro-power consumption rotary electromagnetic valve |
| WO2011082749A1 (en) * | 2009-12-21 | 2011-07-14 | Robert Bosch Gmbh | Electromagnetically switchable valve for installation in a mounting block |
| CN202418737U (en) * | 2012-01-16 | 2012-09-05 | 杭州发达齿轮箱集团有限公司 | Marine gearbox electro-hydraulic directional valve with power-loss limiting function |
-
2012
- 2012-01-16 CN CN201210012248.0A patent/CN102563129B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2062186A (en) * | 1979-10-30 | 1981-05-20 | Bosch Gmbh Robert | Multi-position valve having an actuating device |
| CN2305535Y (en) * | 1997-03-27 | 1999-01-27 | 胡忠高 | Micro-power consumption rotary electromagnetic valve |
| WO2011082749A1 (en) * | 2009-12-21 | 2011-07-14 | Robert Bosch Gmbh | Electromagnetically switchable valve for installation in a mounting block |
| CN202418737U (en) * | 2012-01-16 | 2012-09-05 | 杭州发达齿轮箱集团有限公司 | Marine gearbox electro-hydraulic directional valve with power-loss limiting function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102563129A (en) | 2012-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102563129B (en) | Electric-hydraulic reversing valve with power loss position limiting function for marine gearboxes | |
| CN102229328B (en) | Vehicle mechanical energy-saving hydraulic system with multi-pump confluence | |
| CN102267550B (en) | Pneumatic miniature tourist submarine cruciform rudder system | |
| CN104879336A (en) | Valve back compensation type load-sensitive multitandem valve with bidirectional confluence function | |
| CN102155447A (en) | Rotating hydraulic system of crane and rotating buffer valve thereof | |
| CN202732526U (en) | Combined hydraulic balance valve | |
| CN203548393U (en) | Auxiliary hydraulic system and concrete pumping equipment | |
| CN102865387B (en) | Electric proportional multi-way valve | |
| CN104477236A (en) | Electro-hydraulic proportional solenoid valve | |
| CN102644632A (en) | Electro-hydraulic multiple-way directional valve | |
| CN104074825A (en) | Two-way selection type convergence load sensing multi-way valve | |
| CN202900822U (en) | Dual-redundancy three-position four-way directional control valve | |
| CN107725523B (en) | Load-sensitive multiway valve and engineering machinery with same | |
| CN202418737U (en) | Marine gearbox electro-hydraulic directional valve with power-loss limiting function | |
| CN202023782U (en) | Rotary hydraulic system of crane and rotary cushion valve of rotary hydraulic system | |
| CN103663296A (en) | Cylindrical-linear-motor-driven electro-hydraulic proportional directional screw-in multi-way cartridge valve for forklifts | |
| CN202834199U (en) | Three-position electric control hydraulic memory valve for marine gearbox | |
| CN108708881A (en) | Band dead electricity limit function electro-hydraulic reversing valve for marine gearbox | |
| CN104455374B (en) | Possesses the gearshift electrohydraulic system of emergent gear automatic switching function | |
| CN202790680U (en) | Electronic controlled proportional multi-way valve | |
| CN205331509U (en) | A vehicle that is used for control valve of vehicle and has it | |
| CN202531519U (en) | Electro-hydraulic multi-way directional valve | |
| CN105179681A (en) | Hydraulic control gearshift system of two-gear automatic transmission | |
| CN101718348A (en) | Electromagnetic and hydraulic memory valve | |
| CN201310500Y (en) | Special double-position and double-way reversing valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |