CN202834199U - Three-position electric control hydraulic memory valve for marine gearbox - Google Patents
Three-position electric control hydraulic memory valve for marine gearbox Download PDFInfo
- Publication number
- CN202834199U CN202834199U CN 201220373308 CN201220373308U CN202834199U CN 202834199 U CN202834199 U CN 202834199U CN 201220373308 CN201220373308 CN 201220373308 CN 201220373308 U CN201220373308 U CN 201220373308U CN 202834199 U CN202834199 U CN 202834199U
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- spool
- piston
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Abstract
A three-position electric control hydraulic memory valve for a marine gearbox mainly comprises a valve body and three two-position three-way electromagnetic valves with manual emergency devices, wherein the three electromagnetic valves are arranged at the upper part of the valve body in parallel; a valve core capable of sliding right and left is arranged in a valve cavity in the valve body; a left piston and a right piston are arranged at the two ends of the valve core respectively; a left hydraulic oil duct capable of conducting power-on lead-in on hydraulic oil from the left electromagnetic valve, and an ahead running oil duct for leading the hydraulic oil into an ahead running clutch are formed on the valve cavity between the left piston and the valve core moving to the rightmost side; a right hydraulic oil duct capable of conducting power-on lead-in on the hydraulic oil from the right electromagnetic valve, and a reversing oil duct for leading the hydraulic oil into a reversing clutch oil cylinder are formed on the valve cavity between the right piston and the valve core moving to the leftmost side; and the valve cavity at the left side ends and the right side ends of the left piston and the right piston is communicated with an oil inlet duct for conducting power-on lead-in on pressure oil from the middle electromagnetic valve. The three-position electric control hydraulic memory valve has the characteristics that the memory valve is simple and convenient to mount, reliable to use, simple to manufacture and satisfied by a user.
Description
Technical field
The utility model relates to a kind of three electrically controlled and hydraulically memory valves of marine gearbox, belong to the hydraulic control system that marine gearbox is used electromagnetic valve.
Background technique
With the marine gearbox of electromagnetic valve auto-returned meta under the return spring effect after dead electricity because in the solenoid valve, therefore no matter boats and ships are in which kind of operating mode before the dead electricity, as long as dead electricity, electro-hydraulic control valve is namely at off-position, boats and ships just can't navigate by water, this also may cause significant problem to the boats and ships that must continue navigation both inconvenience, therefore need exploitation not to be subjected to electro-hydraulic control valve that dead electricity affects, that have memory function.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and provide a kind of on gear-box simple installation, use reliable, the user is satisfied, it is simple to make, suitable, the fundamental function of stopping, fall that can satisfy the marine gearbox operation can also continue to keep three electrically controlled and hydraulically memory valves of the constant marine gearbox of operating mode before the dead electricity after dead electricity.
The purpose of this utility model is finished by following technical solution, it mainly comprises the solenoid valve of 3 two-position three way band manual-operated emergent devices that valve body and valve body top are set up in parallel, but be mounted with the spool of left and right sides slippage in the valve opening in the valve body, be respectively arranged with left piston and right piston at the two ends of this spool; Valve pocket between after described left piston and spool are shifted to the right to the end is respectively arranged with the left hydraulic pressure oil duct that hydraulic oil can be imported from left solenoid valve energising and simultaneously described hydraulic oil is imported the ahead running ahead running oil duct of clutch oil cylinder; Valve pocket between after described right piston and spool move left to the end is respectively arranged with the right hydraulic pressure oil duct that hydraulic oil can be imported from right solenoid valve energising and simultaneously with the reversing oil duct of described hydraulic oil importing reverse clutch oil cylinder; The solenoid valve energising imports the oil-feed oil duct of pressure oil in the separately left-hand end of described left piston and right piston and the valve pocket of the right-hand end difference UNICOM; Three solenoid valves are controlled respectively three positions of spool in valve body, thereby realize that the control gear case is suitable, stop, fall three functions.
Be relatively set with two locking balls on the described spool, be provided with the positioning ring that matches with locking ball of three annular grooves in described valve opening, and make described spool be in left, center, right arbitrarily during the position, locking ball just drops in the described positioning ring groove.
After left solenoid valve energising, working pressure oil enters oil pocket between left piston and the spool through the left oil duct of valve body, under the pressure oil effect, spool is moved to right, working pressure oil is imported the ahead running oil duct enter the ahead running clutch oil cylinder, pushing piston compresses the ahead running friction plate, gear-box is ahead running worked, and boats and ships advance; When left solenoid valve dead electricity, shaftless to Driving force because of spool, spool still is fixed on original position and does not move axially under the locking ball effect, therefore gear-box or ahead running station.
After right solenoid valve energising, working pressure oil enters oil pocket between right piston and the spool through the right oil duct of valve body, under the pressure oil effect, spool is moved to left, working pressure oil is imported the reversing oil duct enter the reverse clutch oil cylinder, pushing piston compresses the reversing friction plate, gear-box reversing work, boats and ships retreat; When right solenoid valve dead electricity, shaftless to Driving force because of spool, spool still is fixed on original position and does not move axially under the locking ball effect, the station therefore gear-box is still moveed backward.
Central solenoid valve energising, hydraulic oil imports two ends about valve body, and two pistons were to axial limiting about pressure oil promoted, make spool move to meta, this moment, the working pressure oil duct was cut off, and suitable, reverse clutch oil duct passes into oil return, gear-box is at parking spot, and boats and ships are suspended; Shaftless to Driving force because of spool such as dead electricity, spool still is fixed on original position and does not move axially under the locking ball effect, and gear-box continues at parking spot.
The utility model is respond well in the practical probation of gear-box, reaches designing requirement, can finely satisfy applying working condition, has simple installation, uses the characteristics such as reliable, that the user is satisfied, manufacturing is simple.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done detailed introduction: shown in Figure 1, the utility model mainly comprises the solenoid valve of 3 two-position three way band manual-operated emergent devices that valve body 1 and valve body top are set up in parallel; But be mounted with the spool 3 of left and right sides slippage in the described valve body 1, be mounted with respectively left piston 4 and right piston 5 at the two ends of this spool; Valve pocket between after described left piston 4 and spool 3 are shifted to the right to the end is provided with the left hydraulic pressure oil duct that oil duct can import hydraulic oil from left solenoid valve 21 energisings and simultaneously described hydraulic oil is imported the ahead running ahead running oil duct of clutch oil cylinder; The right hydraulic pressure oil duct that the oil duct that valve pocket between after described right piston 5 and spool 3 move left to the end arranges can import hydraulic oil from right solenoid valve 22 energisings and simultaneously with the reversing oil duct of described hydraulic oil importing reverse clutch oil cylinder; Solenoid valve 23 energisings import the oil-feed oil duct of pressure oils in the separately left-hand end of described left piston 4 and right piston 5 and the valve pocket of the right-hand end difference UNICOM.
Be relatively set with two locking balls 6 on the spool described in the utility model, in described valve opening, arrange and be processed with the positioning ring 7 that three annular grooves 8 match with locking ball, and making described spool be in left, center, right arbitrarily during the position, locking ball 6 just drops in the described positioning ring groove 8.
Three electrichydraulic control memory valves described in the utility model, the solenoid valve of left center right, valve body top 3 two-position three way band emergency hand(-)drives arranged side by side, control respectively suitable, stop, fall three kinds of stations.
Working principle and basic structure are seen accompanying drawing, and accompanying drawing is depicted as the off-position operating mode, and spool is in the neutral position.
When left solenoid valve energising, hydraulic oil enters spool left end oil pocket, promotes spool and moves to right, interior two steel balls of spool are entered in the right groove of positioning ring, it is spacing to the right end cap place that the while spool promotes right piston, and spool moves to right and making reversing take back oil, and ahead running connects working oil ahead running this moment and works.
When left solenoid valve dead electricity, spool can not move under the locking ball effect, though the dead electricity gear-box also keeps the ahead running working state like this.
When right solenoid valve energising, hydraulic oil enters spool right-hand member oil pocket, promote that spool moves to left and dead electricity after situation, working principle is just the same with ahead running, only is that pathway changes, ahead running takes back oil, reversing connects working oil, and reversing work this moment is when right solenoid valve dead electricity, in like manner steel ball is positioned at left groove in the spool, and gear-box also keeps the working state of moveing backward.
When need off-position operating mode, the energising of middle solenoid valve, two end caps about pressure oil enters, about promoting from two ends two pistons to spacing, this moment spool also pushed away among position (no matter spool is former in left or right), then gear-box is at off-position.In like manner also remain on off-position after the dead electricity.
Spool among the present invention had both been done the oil circuit conversion, was also playing piston function in moving with backfash.
Claims (2)
1. three of a marine gearbox electrically controlled and hydraulically memory valves, it mainly comprises the solenoid valve of 3 two-position three way band manual-operated emergent devices that valve body and valve body top are set up in parallel, but it is characterized in that being mounted with in the valve pocket in the valve body spool of left and right sides slippage, be mounted with respectively left piston and right piston at the two ends of this spool; Valve pocket between after described left piston and spool are shifted to the right to the end is respectively arranged with the left hydraulic pressure oil duct that hydraulic oil can be imported from left solenoid valve energising and simultaneously described hydraulic oil is imported the ahead running ahead running oil duct of clutch oil cylinder; Valve pocket between after described right piston and spool move left to the end is respectively arranged with the right hydraulic pressure oil duct that hydraulic oil can be imported from right solenoid valve energising and simultaneously with the reversing oil duct of described hydraulic oil importing reverse clutch oil cylinder; The solenoid valve energising imports the oil-feed oil duct of pressure oil in the separately left-hand end of described left piston and right piston and the valve pocket of the right-hand end difference UNICOM; Three solenoid valves are controlled respectively three positions of spool in valve body, thereby realize that the control gear case is suitable, stop, fall three functions.
2. three of marine gearbox according to claim 1 electrically controlled and hydraulically memory valves, it is characterized in that being provided with on the described spool two at the locking ball of same radially annular groove, be provided with three locating slots that match with described locking ball at described valve pocket inwall, and when making described spool be in high order end or low order end, locking ball just drops in the described locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373308 CN202834199U (en) | 2012-07-31 | 2012-07-31 | Three-position electric control hydraulic memory valve for marine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373308 CN202834199U (en) | 2012-07-31 | 2012-07-31 | Three-position electric control hydraulic memory valve for marine gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834199U true CN202834199U (en) | 2013-03-27 |
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ID=47945908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373308 Expired - Lifetime CN202834199U (en) | 2012-07-31 | 2012-07-31 | Three-position electric control hydraulic memory valve for marine gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150675A (en) * | 2017-12-26 | 2018-06-12 | 宁波文泽机电技术开发有限公司 | A kind of Solenoid ball valve of band positioning |
| CN112901579A (en) * | 2021-01-12 | 2021-06-04 | 三一重机有限公司 | Valve core working position memory device |
-
2012
- 2012-07-31 CN CN 201220373308 patent/CN202834199U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150675A (en) * | 2017-12-26 | 2018-06-12 | 宁波文泽机电技术开发有限公司 | A kind of Solenoid ball valve of band positioning |
| CN108150675B (en) * | 2017-12-26 | 2019-05-17 | 句容嘉晟汽车配件有限公司 | A kind of Solenoid ball valve of band positioning |
| CN112901579A (en) * | 2021-01-12 | 2021-06-04 | 三一重机有限公司 | Valve core working position memory device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |