CN207145022U - A kind of lubricating oil pressure screening arrangement - Google Patents
A kind of lubricating oil pressure screening arrangement Download PDFInfo
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- CN207145022U CN207145022U CN201721205059.XU CN201721205059U CN207145022U CN 207145022 U CN207145022 U CN 207145022U CN 201721205059 U CN201721205059 U CN 201721205059U CN 207145022 U CN207145022 U CN 207145022U
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Abstract
The utility model belongs to ship equipment technical field, more particularly to a kind of lubricating oil pressure screening arrangement, the housing, cap nut and reversal valve of centre bore are provided with including centre, the side of housing two is provided with lubricating oil oil inlet, oily breaker oil inlet, power oil oil inlet and oil discharge outlet, wherein lubricating oil oil inlet and oily breaker oil inlet have connects to the pipe of external welding, and flat shoulder grafting head, pad and cap nut equipped with external connection, power oil oil inlet and oil discharge outlet are fixed on housing by pipe joint and pad, and flat shoulder grafting head, pad and cap nut equipped with external connection；Slide valve sleeve is installed on the endoporus of housing, and non-directional guiding valve is installed in slide valve sleeve, and non-directional guiding valve is provided with three convex shoulders, wherein being provided with four damping hydraulic fluid ports for controlling lubricating oil and power oil to switch on two convex shoulders up and down；Housing upper end is provided with lid；Housing lower end be provided with communicated with reversal valve controlling power oil or oil extraction to enter the oilhole of non-directional guiding valve cavity of resorption.
Description
Technical field：
The utility model belongs to ship equipment technical field, and in particular to a kind of lubricating oil pressure screening arrangement.
Background technology：
Lubricating oil pressure shielding is primarily used to Steam Turbine in the low reverse steam brake of lubricating oil pressure, and cut-out lubricating oil pressure is low
The rapid closing function of Steam Turbine.Current naval vessel uses lubricating oil screening arrangement to use and multiple standard components is installed on pipeline
Logical combination is carried out to form, system is scattered and complicated, so that reliability reduces, certain hidden danger to unit safety be present,
There is also certain difficulty for fault diagnosis, maintenance, maintenance etc..So it is very necessary to design a kind of lubricating oil pressure screening arrangement
's.
Utility model content：
The utility model is made up and improved in place of above-mentioned the deficiencies in the prior art, there is provided a kind of integrated and simplified cunning
Oil pressure screening arrangement, make the system integration and simplify, improve the reliability of system, be easy to the maintenance, maintenance and failure of system
Diagnosis, can promote and use on a large scale.
The technical solution adopted in the utility model is：A kind of lubricating oil pressure screening arrangement, including centre are provided with centre bore
Housing, cap nut and reversal valve, the side of housing two are provided with four hydraulic fluid ports, respectively lubricating oil oil inlet, oily breaker oil inlet, dynamic
Power oil oil inlet and oil discharge outlet, wherein lubricating oil oil inlet and oily breaker oil inlet have to be connect to the pipe of external welding, and equipped with pair
Flat shoulder grafting head, pad and the cap nut of outer connection, the power oil oil inlet and oil discharge outlet are fixed by pipe joint and pad
In flat shoulder grafting head, pad and cap nut on housing, and equipped with external connection；Slide valve sleeve is installed on the endoporus of housing,
Non-directional guiding valve is installed in slide valve sleeve, and non-directional guiding valve is provided with three convex shoulders, wherein being provided with use on two convex shoulders up and down
In control lubricating oil and four damping hydraulic fluid ports of power oil switching；The housing upper end is provided with lid；Housing lower end is provided with and changed
To valve communicate controlling power oil or oil extraction to enter the oilhole of non-directional guiding valve cavity of resorption.
Described slide valve sleeve is spacing in housing upper by the shaft shoulder.
The cross flower trough for increasing original state and the contact area of oil is provided with the non-directional guiding valve end face.
The housing upper end is provided with the groove of installation O-ring, and upper lid is compressed O-ring by screw and elastic washer, close
The oil pressure of envelope non-directional guiding valve epicoele leaks, and upper cover between slide valve sleeve leaves the gap for preventing mechanical overconstraint, while on
Lid defines the stroke of non-directional guiding valve.
The reversal valve is installed on housing lower end, seal with O ring non-directional guiding valve cavity of resorption by screw, pad and O-ring
Leak.
The housing is provided with four auxiliary mounting holes for being used for that lubricating oil pressure screening arrangement to be fixed.
Described reversal valve is one kind in magnetic valve, hydraulic directional valve or hand-operated direction valve.
The beneficial effects of the utility model：It is reasonable in design, securely and reliably, it is easy to promote and use on a large scale.One
The lubricating oil pressure screening arrangement that kind is integrated and simplifies, makes the system integration and simplifies, improve the reliability of system, be easy to the dimension of system
Repair, maintain and fault diagnosis etc.；When system need not shield oily breaker lubricating oil pressure minimum living shield, reversal valve closing driving force
Oil, and non-directional guiding valve lower end is led into oil extraction, non-directional sliding valve movement to lower limit position, lubricating oil passes through non-directional guiding valve upper end
Pass to oily breaker；When system, which sends instruction, needs to shield breaker lubricating oil pressure minimum living shield, reversal valve control non-directional is slided
The lower end of valve leads to power oil, and upper end leads to lubricating oil, and non-directional guiding valve moves to limes superiors in the presence of power oil and lubricating oil pressure difference
Position, power oil is now communicated to oily breaker lubricating oil pressure minimum living and protects guiding valve lower end, so as to realize that the oily breaker of shielding is slided
Oil pressure defencive function, ensure that main steam turbine group is closed without speed.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model.
Embodiment：
Reference picture 1, a kind of lubricating oil pressure screening arrangement, including the middle housing 1 for being provided with centre bore, cap nut 8 and change
To valve 13, the side of housing 1 two is provided with four hydraulic fluid ports, respectively lubricating oil oil inlet 2, oily breaker oil inlet 3, power oil oil inlet 5
And oil discharge outlet 11, wherein lubricating oil oil inlet 2 and oily breaker oil inlet 3 have connects to the pipe of external welding, and is furnished with external connection
Flat shoulder grafting is first 10, pad 9 and cap nut 8, the power oil oil inlet 5 and oil discharge outlet 11 pass through pipe joint 12 and pad 9
It is fixed on housing 1, and the flat shoulder grafting equipped with external connection is first 10, pad 9 and cap nut 8；Slide valve sleeve 6 is installed on housing
On 1 endoporus, and it is installed on by the way that the shaft shoulder is spacing in the top of housing 1, non-directional guiding valve 7 in slide valve sleeve 6, non-directional guiding valve 7
Three convex shoulders are provided with, wherein four damping hydraulic fluid ports for controlling lubricating oil and power oil to switch are provided with two convex shoulders up and down,
The cross flower trough for increasing original state and the contact area of oil is provided with the end face of non-directional guiding valve 7；The upper end of housing 1 peace
Equipped with upper lid 4, the upper end of housing 1 is provided with the groove of installation O-ring, and upper lid 4 is compressed O-ring by screw and elastic washer, close
The oil pressure of the epicoele of envelope non-directional guiding valve 7 leaks, and leaves the gap for preventing mechanical overconstraint between upper lid 4 and slide valve sleeve 6, simultaneously
Upper lid 4 defines the stroke of non-directional guiding valve 7；The lower end of housing 1 be provided with communicated with reversal valve 13 controlling power oil
Or oil extraction enters the oilhole of the cavity of resorption of non-directional guiding valve 7；Reversal valve 13 is installed on the lower end of housing 1, O by screw, pad and O-ring
The cavity of resorption of shape circle sealing non-directional guiding valve 7 leaks；Housing 1 is provided be used for that lubricating oil pressure screening arrangement to be fixed four
Auxiliary mounting hole.
Lubricating oil pressure screening arrangement is two spool control valves, controls lubricating oil pressure screening arrangement state.Need not in system
When shielding oily breaker lubricating oil pressure minimum living shield, reversal valve closing driving force oil, and the lower end of non-directional guiding valve 7 is led into oil extraction, it is indefinite
Lower limit position is moved to guiding valve 7, lubricating oil passes to oily breaker by the upper end of non-directional guiding valve 7；Needed when system sends instruction
When shielding breaker lubricating oil pressure minimum living shield, reversal valve 13 controls the lower end of non-directional guiding valve 7 to lead to power oil, and upper end is logical to be slided
Oil, non-directional guiding valve 7 move to upper extreme position in the presence of power oil and lubricating oil pressure difference, power oil are now communicated to oil
Breaker lubricating oil pressure minimum living shield guiding valve lower end, so as to realize the oily breaker lubricating oil pressure defencive function of shielding, ensures main steamer
Unit closes without speed, and the device has special mounting hole, can be fixed in some plane, also can be directly mounted on pipeline,
When being directly installed on pipeline, near joints pipeline needs fixing pipe card to be fixed at three.
Embodiment one
When reversal valve 13 elects the normally opened magnetic valve of two-position four-way as, available for remote control, obstructed electricity condition magnetic valve
The lower end of non-directional guiding valve 7 is controlled to lead to power oil, upper end leads to lubricating oil, and guiding valve moves in the presence of power oil and lubricating oil pressure difference
Upper extreme position, power oil is now communicated to oily breaker lubricating oil pressure minimum living and protects guiding valve lower end, shields oily breaker lubricating oil
Pressure protecting function；The lower end of "on" position solenoid valve control non-directional guiding valve 7 leads to oil extraction, and non-directional guiding valve 7 moves to limit inferior
Position, lubricating oil pass to oily breaker by the upper end of non-directional guiding valve 7, do not shield oily breaker lubricating oil pressure defencive function.
Embodiment two
When reversal valve 13 elects two-position four-way normally closed solenoid valve as, available for remote control, "on" position solenoid valve control
The lower end of non-directional guiding valve 7 leads to power oil, and upper end leads to lubricating oil, and guiding valve moves to pole in the presence of power oil and lubricating oil pressure difference
Extreme position, power oil is now communicated to oily breaker lubricating oil pressure minimum living and protects guiding valve lower end, shields oily breaker lubricating oil pressure
Defencive function；The obstructed lower end of electricity condition solenoid valve control non-directional guiding valve 7 leads to oil extraction, and non-directional guiding valve 7 moves to limit inferior position
Put, lubricating oil passes to oily breaker by the upper end of non-directional guiding valve 7, does not shield oily breaker lubricating oil pressure defencive function.
Embodiment three
When reversal valve 13 elects the normally opened hydraulic directional valve of two-position four-way as, available for remote control, disconnection state reversal valve
The lower end of non-directional guiding valve 7 is controlled to lead to power oil, upper end leads to lubricating oil, and guiding valve moves in the presence of power oil and lubricating oil pressure difference
Upper extreme position, power oil is now communicated to oily breaker lubricating oil pressure minimum living and protects guiding valve lower end, shields oily breaker lubricating oil
Pressure protecting function；The lower end of open position reversal valve control non-directional guiding valve 7 leads to oil extraction, and non-directional guiding valve 7 moves to limit inferior
Position, lubricating oil pass to oily breaker by the upper end of non-directional guiding valve 7, do not shield oily breaker lubricating oil pressure defencive function.
Example IV
When reversal valve 13 elects the normally closed hydraulic directional valve of two-position four-way as, available for remote control, open position reversal valve
The lower end of non-directional guiding valve 7 is controlled to lead to power oil, upper end leads to lubricating oil, and guiding valve moves in the presence of power oil and lubricating oil pressure difference
Upper extreme position, power oil is now communicated to oily breaker lubricating oil pressure minimum living and protects guiding valve lower end, shields oily breaker lubricating oil
Pressure protecting function；The lower end of disconnection state reversal valve control non-directional guiding valve 7 leads to oil extraction, and non-directional guiding valve 7 moves to limit inferior
Position, lubricating oil pass to oily breaker by the upper end of non-directional guiding valve 7, do not shield oily breaker lubricating oil pressure defencive function.
Embodiment five
When reversal valve 13 elects the normally opened hand-operated direction valve of two-position four-way as, available for controlling on the spot, operation state does not change
Lead to power oil to the lower end of valve control non-directional guiding valve 7, upper end leads to lubricating oil, and guiding valve is transported in the presence of power oil and lubricating oil pressure difference
Move to upper extreme position, power oil is now communicated to oily breaker lubricating oil pressure minimum living and protects guiding valve lower end, shields oily breaker
Lubricating oil pressure defencive function；The lower end of operation state solenoid valve control non-directional guiding valve 7 leads to oil extraction, and non-directional guiding valve 7 moves to down
Extreme position, lubricating oil pass to oily breaker by the upper end of non-directional guiding valve 7, do not shield oily breaker lubricating oil pressure defencive function.
Embodiment six
When reversal valve 13 elects the normally closed hand-operated direction valve of two-position four-way as, available for controlling on the spot, operation state commutates
The lower end of valve control non-directional guiding valve 7 leads to power oil, and upper end leads to lubricating oil, and guiding valve moves in the presence of power oil and lubricating oil pressure difference
To upper extreme position, power oil is now communicated to oily breaker lubricating oil pressure minimum living and protects guiding valve lower end, oily breaker is shielded and slides
Oil pressure defencive function；The lower end of operation state solenoid valve control non-directional guiding valve 7 does not lead to oil extraction, and non-directional guiding valve 7 moves to down
Extreme position, lubricating oil pass to oily breaker by the upper end of non-directional guiding valve 7, do not shield oily breaker lubricating oil pressure defencive function.
Claims (7)
1. a kind of lubricating oil pressure screening arrangement, including the middle housing for being provided with centre bore（1）, cap nut（8）And reversal valve
（13）, it is characterised in that：Housing（1）Two sides are provided with four hydraulic fluid ports, respectively lubricating oil oil inlet（2）, oily breaker oil inlet
（3）, power oil oil inlet（5）And oil discharge outlet（11）, wherein lubricating oil oil inlet（2）With oily breaker oil inlet（3）Have externally
The pipe of welding connects, and the flat shoulder grafting head equipped with external connection（10）, pad（9）And cap nut（8）, the power oil oil inlet
（5）And oil discharge outlet（11）Pass through pipe joint（12）And pad（9）It is fixed on housing（1）On, and the flat shoulder grafting equipped with external connection
Head（10）, pad（9）And cap nut（8）；Slide valve sleeve（6）It is installed on housing（1）Endoporus on, non-directional guiding valve（7）Peace
Loaded on slide valve sleeve（6）It is interior, non-directional guiding valve（7）Three convex shoulders are provided with, wherein being provided with up and down on two convex shoulders for controlling
Lubricating oil and four damping hydraulic fluid ports of power oil switching；The housing（1）Upper end is provided with lid（4）；Housing（1）Lower end be provided with
Reversal valve（13）Communicate controlling power oil or oil extraction to enter non-directional guiding valve（7）The oilhole of cavity of resorption.
A kind of 2. lubricating oil pressure screening arrangement according to claim 1, it is characterised in that：Described slide valve sleeve（6）It is logical
It is spacing in housing to cross the shaft shoulder（1）Top.
A kind of 3. lubricating oil pressure screening arrangement according to claim 1, it is characterised in that：The non-directional guiding valve（7）End
The cross flower trough for increasing original state and the contact area of oil is provided with face.
A kind of 4. lubricating oil pressure screening arrangement according to claim 1, it is characterised in that：The housing（1）Upper end is provided with
The groove of O-ring, upper lid are installed（4）O-ring is compressed by screw and elastic washer, seals non-directional guiding valve（7）Epicoele
Oil pressure leaks, upper lid（4）With slide valve sleeve（6）Between leave the gap for preventing mechanical overconstraint, while upper lid（4）Define not
Orient guiding valve（7）Stroke.
A kind of 5. lubricating oil pressure screening arrangement according to claim 1, it is characterised in that：The reversal valve（13）Pass through spiral shell
Nail, pad and O-ring are installed on housing（1）Lower end, seal with O ring non-directional guiding valve（7）Cavity of resorption leaks.
A kind of 6. lubricating oil pressure screening arrangement according to claim 1, it is characterised in that：The housing（1）It is provided with and uses
In four auxiliary mounting holes that lubricating oil pressure screening arrangement is fixed.
A kind of 7. lubricating oil pressure screening arrangement according to claim 1, it is characterised in that：Described reversal valve（13）For electricity
Magnet valve, hydraulic directional valve or hand-operated direction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205059.XU CN207145022U (en) | 2017-09-20 | 2017-09-20 | A kind of lubricating oil pressure screening arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205059.XU CN207145022U (en) | 2017-09-20 | 2017-09-20 | A kind of lubricating oil pressure screening arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145022U true CN207145022U (en) | 2018-03-27 |
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ID=61668110
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721205059.XU Active CN207145022U (en) | 2017-09-20 | 2017-09-20 | A kind of lubricating oil pressure screening arrangement |
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| CN (1) | CN207145022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605551A (en) * | 2017-09-20 | 2018-01-19 | 中国船舶重工集团公司第七0三研究所 | A kind of lubricating oil pressure screening arrangement |
-
2017
- 2017-09-20 CN CN201721205059.XU patent/CN207145022U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605551A (en) * | 2017-09-20 | 2018-01-19 | 中国船舶重工集团公司第七0三研究所 | A kind of lubricating oil pressure screening arrangement |
| CN107605551B (en) * | 2017-09-20 | 2023-08-01 | 中国船舶重工集团公司第七0三研究所 | Lubricating oil pressure shielding device |
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