CN202250289U - Low lubrication oil pressure protector of diesel engine - Google Patents
Low lubrication oil pressure protector of diesel engine Download PDFInfo
- Publication number
- CN202250289U CN202250289U CN2011203465411U CN201120346541U CN202250289U CN 202250289 U CN202250289 U CN 202250289U CN 2011203465411 U CN2011203465411 U CN 2011203465411U CN 201120346541 U CN201120346541 U CN 201120346541U CN 202250289 U CN202250289 U CN 202250289U
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- China
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- diesel engine
- valve
- oil pressure
- feeding apparatus
- relay
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- Expired - Fee Related
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a low lubrication oil pressure protector of a diesel engine. The technical scheme is that the low lubrication oil pressure protector of the diesel engine comprises a manual switch, a relay and an air source, wherein the air source is connected with the relay through the manual switch; the relay is connected with a clutch; an oil control valve is connected in series to the middle of a circuit between the manual switch and the relay; the oil control valve is fixed on a diesel engine air control valve box body by a bolt; an oil inlet is directly connected to a main oil channel through a metal pipeline for detecting the lubrication pressure of a diesel engine; and the metal pipeline is fixed on a diesel engine base and is parallel to the original pipeline. The low lubrication oil pressure protector of the diesel engine has the beneficial effects that through field use, the application effect is good, the protection performance of the diesel engine is extremely increased, and the low lubrication oil pressure protector has very positive significance for prolonging the service life of the diesel engine, improving non-failure operation time, prolonging overhaul life and lowering device maintaining expense, and the possibility of human error for operation personnel is reduced.
Description
Technical field:
The utility model relates to the low protective gear of a kind of diesel engine unit lubrication pressure, particularly a kind of diesel lubrication low fuel pressure protective gear of 190 types.
Background technique:
Diesel engine causes the low reason of engine oil pressure varied in actual moving process; Probability is than higher, and the problem and the fault of existing lubrication system self have cooling system and the reason aspect using, safeguarding again; Low running state and the influence in working life to diesel engine of diesel lubrication oil pressure is very big; Can aggravate the body wearing and tearing of various moving elements such as crankshaft of diesel engine, bearing shell, piston, cylinder sleeve, not have running under the extreme case of oil lubrication, a few minutes will be caused serious equipment accident such as tile kilning, seize, scuffing of cylinder bore; Cause greatly economic loss, so all indispensable low fuel pressure automatic stopping of each diesel engine protective gear.But on the machine dimensions drill of belt and car transmission, the diesel engine that exists automatic stop device to have an effect and should stop in two above diesel engine operation process can be because from still passive the running up of power of another diesel engine.The extension of diesel engine output clutch closes and shutoff is by manual operation, and operator can not follow closely on the diesel engine next door constantly, and the diesel engine autoprotection can't carry out any control to clutch.The real realization stopped under this operating mode, must cut off the fuel path of diesel engine simultaneously and from the power of bent axle, just will break off diesel engine self output clutch.
Summary of the invention:
The purpose of the utility model is exactly the above-mentioned defective that exists to existing technology; A kind of diesel lubrication low fuel pressure protective gear is provided; Occur realizing real parking when engine oil pressure is crossed low fault at diesel engine, play a protective role conscientiously, prevent that catastrophe failure from taking place.
Its technological scheme is: comprise hand switch, air feeding apparatus, source of the gas; Described source of the gas connects air feeding apparatus through hand switch, and air feeding apparatus is connected with clutch, seals in oil controlling valve in the middle of the circuit of described hand switch and air feeding apparatus; Described oil controlling valve is fixed by bolts on the body of diesel engine gas control clack box; Filler opening is directly connected on the main oil gallery through metal pipe line, detects the lubrication pressure of diesel engine, and metal pipe line is fixed on diesel engine base and original pipeline side by side.
Above-mentioned oil controlling valve is made up of adjusting screw, spring, valve, piston rod, piston, valve body, filler opening, suction port, air outlet, relief opening; Be provided with valve, piston rod, piston in the described valve body; Two ends are respectively equipped with adjusting screw and filler opening; Be provided with spring between described adjusting screw and the valve, valve body is provided with suction port, air outlet and relief opening.
The beneficial effect of the utility model is: use through on-the-spot; Its effect is good, has greatly increased the protective value of diesel engine, and diesel engine is increased the service life; Improve Mean time to failure; In the prolonging overhaul cycle, reducing the device maintenance expense all has very positive meaning, has also reduced the possibility of operator's human error.
Description of drawings:
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is structural representations of the oil controlling valve of the utility model;
Among the last figure: hand switch 1, air feeding apparatus 2, source of the gas 3, oil controlling valve 4, adjusting screw 4.1, spring 4.2, valve 4.3, piston rod 4.4, piston 4.5, valve body 4.6, filler opening 4.7, suction port 4.8, air outlet 4.9, relief opening 4.10.
Embodiment:
In conjunction with accompanying drawing 1-2, the utility model is done further to describe:
The utility model comprises hand switch 1, air feeding apparatus 2, source of the gas 3; Described source of the gas 3 connects air feeding apparatus 2 through hand switch 1, and air feeding apparatus 2 is connected with clutch, described hand switch 1 and the middle oil controlling valve 4 that seals in of the circuit of air feeding apparatus 2; Described oil controlling valve 4 is fixed by bolts on the body of diesel engine gas control clack box; Filler opening is directly connected on the main oil gallery through metal pipe line, detects the lubrication pressure of diesel engine, and metal pipe line is fixed on diesel engine base and original pipeline side by side.The moving switch delivery outlet of catcher of pneumatic control circuit, the other end connects the control gas port of air feeding apparatus, and the tracheae line can be used pipeline and the joint of controlling same specification with gas circuit.Like this oil pressure and hand switch form " with " relation control the gas circuit of diesel clutch air feeding apparatus jointly, on the control principle one manually work in coordination in control and an automatic control point.
With reference to accompanying drawing 2; Oil controlling valve 4 is made up of adjusting screw 4.1, spring 4.2, valve 4.3, piston rod 4.4, piston 4.5, valve body 4.6, filler opening 4.7, suction port 4.8, air outlet 4.9, relief opening 4.10; Be provided with valve 4.3, piston rod 4.4, piston 4.5 in the described valve body 4.6; Two ends are respectively equipped with adjusting screw 4.1 and filler opening 4.7, are provided with spring 4.2 between described adjusting screw 4.1 and the valve 4.3, and valve body 4.6 is provided with suction port 4.8, air outlet 4.9, relief opening 4.10.
The utility model is to increase an engine oil pressure Check point in the control loop of diesel clutch; This oil pressure monitoring point and the series connection of control air cock; Realization oil gas interlock has only clutch control switch to close after the diesel engine oil pressure reaches setting pressure simultaneously, and clutch could air inlet be hung and closed; Control switch and Pressure testing have one not satisfy the clutch disconnection, with the directly air inlet and the exhaust of solenoidoperated cluthes automatically of oil pressure.Comparison and experiment through various ways select for use the oil controlling valve that uses on the preparatory oil feed pump of 190 diesel engines as the sensor that detects the body lubricating oil pressure.
When the diesel engine proper functioning, under the effect of engine oil pressure, oil controlling valve is opened, and control gas gets into the air feeding apparatus of diesel clutch, and air feeding apparatus is normally opened the air inlet of this car of control clutch master gas, diesel engine output power.When diesel engine engine oil pressure occurs and crosses low situation, cut off control gas, the rapid-release valve venting, this car clutch quits work, and diesel engine stops because of the low fuel pressure protection.Simultaneously also guaranteed to be not activated at diesel engine; Set up in the absence of lubrication pressure, oil controlling valve control gas circuit keeps breaking off, and makes clutch to hang and closes; Having guaranteed like this can not back transfer from the power of gear, and diesel engine does not receive the influence of other operation machineries.
The advantage of the several aspects of the utility model:
1. this apparatus structure is simple and practical, and it is convenient to install, remove, and draws materials conveniently, and the low and systematic function of cost is quick on the draw, and reliable operation is very easy to utilize.The design of the working pressure value of this system is lower than low fuel pressure automatic stopping value slightly, guarantees that the low fuel pressure protective gear works the back at cut-off clutch, cut-off clutch when preventing that diesel engine from can also run well.
2. this design also can make behind the diesel engine starting lubrication pressure not reach can not to hang before the minimum oil pressure closes self clutch; Only running to lubrication pressure at diesel engine could on-load after normal; Can effectively prevent to damage diesel engine equally; Increase the service life, and impel operator to overhaul to search and cause low fuel pressure problem reason.
3. under the situation of this car startup useless,, fundamentally stopped " startup of car band car " this serious act in violation of regulations because there is not the engine oil pressure clutch can't inflate connection, thereby guaranteed safety operation in device, in essence.
4. carry the act in violation of regulations that this strictness of startup is forbidden at the band of fundamentally having stopped diesel engine, impel operator to operate in strict accordance with the diesel engine working specification.
Claims (2)
1. diesel lubrication low fuel pressure protective gear; Comprise hand switch (1), air feeding apparatus (2), source of the gas (3); Described source of the gas (3) connects air feeding apparatus (2) through hand switch (1), and air feeding apparatus (2) is connected with clutch, it is characterized in that: described hand switch (1) and the middle oil controlling valve (4) that seals in of the circuit of air feeding apparatus (2); Described oil controlling valve (4) is fixed by bolts on the body of diesel engine gas control clack box; Filler opening is directly connected on the main oil gallery through metal pipe line, detects the lubrication pressure of diesel engine, and metal pipe line is fixed on diesel engine base and original pipeline side by side.
2. diesel lubrication low fuel pressure protective gear according to claim 1; It is characterized in that: described oil controlling valve (4) is made up of adjusting screw (4.1), spring (4.2), valve (4.3), piston rod (4.4), piston (4.5), valve body (4.6), filler opening (4.7), suction port (4.8), air outlet (4.9), relief opening (4.10); Be provided with valve (4.3), piston rod (4.4), piston (4.5) in the described valve body (4.6); Two ends are respectively equipped with adjusting screw (4.1) and filler opening (4.7); Be provided with spring (4.2) between described adjusting screw (4.1) and the valve (4.3), valve body (4.6) is provided with suction port (4.8), air outlet (4.9), relief opening (4.10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203465411U CN202250289U (en) | 2011-09-16 | 2011-09-16 | Low lubrication oil pressure protector of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203465411U CN202250289U (en) | 2011-09-16 | 2011-09-16 | Low lubrication oil pressure protector of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250289U true CN202250289U (en) | 2012-05-30 |
Family
ID=46111546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203465411U Expired - Fee Related CN202250289U (en) | 2011-09-16 | 2011-09-16 | Low lubrication oil pressure protector of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671312A (en) * | 2019-09-10 | 2020-01-10 | 中石化石油工程技术服务有限公司 | Automatic stop alarm for drilling mud pump |
-
2011
- 2011-09-16 CN CN2011203465411U patent/CN202250289U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671312A (en) * | 2019-09-10 | 2020-01-10 | 中石化石油工程技术服务有限公司 | Automatic stop alarm for drilling mud pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120916 |