CN204152580U - Diesel lubrication low fuel pressure boosting protection alarm system - Google Patents
Diesel lubrication low fuel pressure boosting protection alarm system Download PDFInfo
- Publication number
- CN204152580U CN204152580U CN201420461738.3U CN201420461738U CN204152580U CN 204152580 U CN204152580 U CN 204152580U CN 201420461738 U CN201420461738 U CN 201420461738U CN 204152580 U CN204152580 U CN 204152580U
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- oil
- feed pump
- working connection
- valve
- oil feed
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Abstract
The utility model relates to a kind of diesel lubrication low fuel pressure boosting protection alarm system.Its technological scheme is: the bottom of working connection is communicated with oil sump by pipeline, oil sump connects pre-oil feed pump, by pre-oil feed pump, the emergency bearing oil pump in oil sump is entered in working connection, described pre-oil feed pump is by Pneumatic valve control switch, pipeline is drawn at the inlet end of the pre-oil feed pump switch of pre-oil feed pump, pressure controlled valve is connected to by stopcock, the suction port entering pressure controlled valve is controlled by stopcock, air outlet one tunnel of pressure controlled valve connects air horn, and another road is connected with pre-oil feed pump switch outlet side after one-way valve.Beneficial effect is: can when diesel lubrication oil pressure reduces in trend diesel engine working connection pumping lubricant oil, promote the pressure of diesel lubrication working connection, again can and alarm take urgent measure, substantially prolongs the working life of diesel engine.
Description
Technical field
The utility model relates to a kind of improvement of oil drilling industry high-power diesel engine lubricating oil path, and particularly a kind of diesel lubrication low fuel pressure boosting protection alarm system, is mainly used in 12v190 serial diesel engine.
Background technique
It is at most 12v190 serial diesel engine that oil drilling industry uses, this type is the type that Jinan Diesel Plant produces the eighties, by continuing to optimize improvement these years, this type power rises to 1000kw from initial 882kw, meets the demand at wellbore construction scene preferably.But diesel lubrication oil pump and transmission gear for lubricating pump often break down in using at the scene, cause diesel engine to lose lubricating oil pressure, excessively heated axle, axis tile, break piston, break body, the diesel engine accident of scrapping happens occasionally.This kind of accident Producing reason has several respects, has that low fuel pressure automatic stop device is malfunctioning to be caused; Parallel operation is had to use diesel engine to be dragged the burning car operating and cause; Trace sth. to its source or lubrication system loss of function, can not ensure that accident scrapped by the burning car that diesel lubrication causes.
Chinese patent literature publication number is 202250289U; patent name is " low lubrication oil pressure protector of diesel engine "; comprise hand switch, air feeding apparatus, source of the gas; described source of the gas manually switch connects air feeding apparatus; air feeding apparatus is connected with clutch; oil controlling valve is sealed 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 main oil gallery by metal pipe line; detect the lubrication pressure of diesel engine, metal pipe line is fixed on diesel engine base and original pipeline side by side.This utility model patent is applied on 190 diesel engines, and its Problems existing is: when the too low situation of engine oil pressure appears in diesel engine, cutting-off controlling gas, and rapid-release valve is exitted, and this car clutch quits work, and diesel engine stops because of low fuel pressure protection.Also ensure that simultaneously and to be not activated at diesel engine, when setting up lubrication pressure, oil controlling valve controls gas circuit and remains open, and makes clutch to hang conjunction, this utility model patent does not set up lubricant oil supplementary device, and diesel engine can not be made to work under supplemental lubrication oil condition.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has; there is provided a kind of diesel lubrication low fuel pressure to boost and protect alarm system; can when diesel lubrication oil pressure drop; promote diesel lubrication oil pressure; ensure that diesel engine works on, can also same alarm, take the necessary measures; stop diesel engine because of lubrication system loss of function, occur excessively heated axle, axis tile, break piston, break body, burn the accidents such as car.
Its technological scheme is: comprise working connection, starting motor, enable switch, Pneumatic valve, oil and water seperator, main valve, air feeding apparatus, oil sump, and described working connection is communicated with the lubricating oil inlet of starting motor with enable switch by pre-oil feed pump switch, Pneumatic valve, main valve is communicated with the suction port of starting motor with air feeding apparatus by oil and water seperator, Pneumatic valve, the bottom of described working connection is communicated with oil sump by pipeline, oil sump connects pre-oil feed pump, by pre-oil feed pump, the emergency bearing oil pump in oil sump is entered in working connection, described pre-oil feed pump is by Pneumatic valve control switch, pipeline is drawn at the inlet end of the pre-oil feed pump switch of pre-oil feed pump, pressure controlled valve is connected to by stopcock, the suction port entering pressure controlled valve is controlled by stopcock, two-way is divided in the air outlet of pressure controlled valve: a road connects air horn, another road is connected with pre-oil feed pump switch outlet side after one-way valve, pressure controlled valve is controlled by the lubrication pressure of diesel engine working connection, pre-oil feed pump switch outlet side is connected to Pneumatic valve.
In above-mentioned oil sump, fitting machine oil pump, is communicated with machine oil with working connection.
The control end of above-mentioned pre-oil feed pump is connected with Pneumatic valve, and oil outlet is communicated with working connection, and filler opening is communicated with oil sump.
Above-mentioned pressure controlled valve is communicated with working connection, gathers the oil pressure of working connection.
Oil sprayer is provided with between above-mentioned oil and water seperator and Pneumatic valve.
The beneficial effects of the utility model are: on the basis of former pre-oil feed pump control system, add a set of automatic control system, make pre-oil feed pump not only start time to main oil gallery pumping lubricant oil, can also when diesel lubrication oil pressure reduces in trend diesel engine working connection pumping lubricant oil, promote the pressure of diesel lubrication working connection, again can and alarm take urgent measure, effectively avoid the accident of the burning car tile kilning that diesel engine forces down because of lubricant oil or produces without pressure, substantially prolongs the working life of diesel engine.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
In upper figure: pressure controlled valve 1, working connection 2, air horn 3, stopcock 4, pre-oil feed pump switch 5, pre-oil feed pump 6, one-way valve 7, starting motor 8, enable switch 9, Pneumatic valve 10, oil sprayer 11, oil and water seperator 12, main valve 13, air feeding apparatus 14, oil pump 15, oil sump 16.
Embodiment
By reference to the accompanying drawings 1, the utility model will be further described:
The utility model comprises pressure controlled valve 1, working connection 2, air horn 3, stopcock 4, pre-oil feed pump switch 5, pre-oil feed pump 6, one-way valve 7, starting motor 8, enable switch 9, Pneumatic valve 10, oil sprayer 11, oil and water seperator 12, main valve 13, air feeding apparatus 14, oil pump 15, oil sump 16, and described working connection 2 is communicated with the lubricating oil inlet of enable switch 9 with starting motor 8 by pre-oil feed pump switch 5, Pneumatic valve 10, main valve 13 is communicated with the suction port of air feeding apparatus 14 with starting motor 8 by oil and water seperator 12, Pneumatic valve 10, the bottom of described working connection 2 is communicated with oil sump 16 by pipeline, oil sump 16 connects pre-oil feed pump 6, by pre-oil feed pump 6, the emergency bearing oil pump in oil sump 16 is entered in working connection 2, described pre-oil feed pump 6 is by Pneumatic valve 10 control switch, pipeline is drawn at the inlet end of the pre-oil feed pump switch 5 of pre-oil feed pump 6, concrete with reference to the part A in accompanying drawing 1, pressure controlled valve 1 is connected to by stopcock 4, the suction port entering pressure controlled valve 1 is controlled by stopcock 4, two-way is divided in the air outlet of pressure controlled valve 1: a road connects air horn 3, another road is connected with pre-oil feed pump switch 5 outlet side after one-way valve 7, pressure controlled valve 1 is controlled by the lubrication pressure of diesel engine working connection 2, pre-oil feed pump switch 5 outlet side is connected to Pneumatic valve 10.
Wherein, fitting machine oil pump 15 in oil sump 16, is communicated with machine oil with working connection 2; The control end of above-mentioned pre-oil feed pump 6 is connected with Pneumatic valve 10, and oil outlet is communicated with working connection 2, and filler opening is communicated with oil sump 16; Above-mentioned pressure controlled valve 1 is communicated with working connection 2, gathers the oil pressure of working connection 2; Oil sprayer 11 is provided with between above-mentioned oil and water seperator 12 and Pneumatic valve 10.
When the utility model uses, is closed by stopcock 4 before diesel engine starting, under the effect of stopcock 4 and one-way valve 7, this diesel lubrication low fuel pressure boosting protection alarm system is in closed condition.After pre-oil feed pump switch 5 is pressed, control pneumatic jack to open Pneumatic valve 10 and connect total gas drive and move pre-oil feed pump 6 extract lubricant oil from oil sump 16, start to pumping lubricant oil in working connection 2, when lubricating oil pressure reaches more than 0.2Mpa, unclamp pre-oil feed pump switch 5, pre-oil feed pump 6 quits work, then enable switch 9 is pressed, control gas while the starter receiver of starting motor 8 is ejected the spool of air feeding apparatus 14 is backed down, total gas drive is taken offence after the running of motor running startup diesel engine, unclamps enable switch 9.
After diesel engine runs well, open stopcock 4, now at the effect downforce control valve 1 of diesel engine oil pressure, the control gas carrying out Spin Valve 4 is disconnected, when diesel lubrication oil Pressure Drop is to 0.2Mpa, the inlet, outlet of pressure controlled valve 1 is switched on, control gas to lead up to one-way valve 7 and back down Pneumatic valve 10 and connect total gas drive and move pre-oil feed pump 6 extract lubricant oil from oil sump 16, to working connection 2 pumping lubricant oil, another road is connected air horn simultaneously and is reported to the police, diesel lubrication oil circuit pressure can be promoted like this, again can and alarm take urgent measure.
Before diesel engine stop, should first close stopcock 4, in order to avoid because of when after diesel engine stop, lubricating oil pressure is down to 0.2Mpa, the inlet, outlet of pressure controlled valve 1 is switched on, and occurs that pre-oil feed pump 6 continues the situation to working connection 2 pumping lubricant oil and warning.
Claims (5)
1. a diesel lubrication low fuel pressure boosting protection alarm system, comprise working connection (2), starting motor (8), enable switch (9), Pneumatic valve (10), oil and water seperator (12), main valve (13), air feeding apparatus (14), oil sump (16), described working connection (2) is communicated with the lubricating oil inlet of enable switch (9) with starting motor (8) by pre-oil feed pump switch (5), Pneumatic valve (10), main valve (13) is communicated with the suction port of air feeding apparatus (14) with starting motor (8) by oil and water seperator (12), Pneumatic valve (10), it is characterized in that: the bottom of described working connection (2) is communicated with oil sump (16) by pipeline, oil sump (16) connects pre-oil feed pump (6), by pre-oil feed pump (6), the emergency bearing oil pump in oil sump (16) is entered in working connection (2), described pre-oil feed pump (6) is by Pneumatic valve (10) control switch, pipeline is drawn at the inlet end of the pre-oil feed pump switch (5) of pre-oil feed pump (6), pressure controlled valve (1) is connected to by stopcock (4), the suction port entering pressure controlled valve (1) is controlled by stopcock (4), two-way is divided in the air outlet of pressure controlled valve (1): a road connects air horn (3), another road is connected with pre-oil feed pump switch (5) outlet side after one-way valve (7), pressure controlled valve (1) is controlled by the lubrication pressure of diesel engine working connection (2), pre-oil feed pump switch (5) outlet side is connected to Pneumatic valve (10).
2. diesel lubrication low fuel pressure boosting protection alarm system according to claim 1, is characterized in that: the interior fitting machine oil pump (15) of described oil sump (16), is communicated with machine oil with working connection (2).
3. diesel lubrication low fuel pressure boosting protection alarm system according to claim 1; it is characterized in that: the control end of described pre-oil feed pump (6) is connected with Pneumatic valve (10); oil outlet is communicated with working connection (2), and filler opening is communicated with oil sump (16).
4. diesel lubrication low fuel pressure boosting protection alarm system according to claim 1, is characterized in that: described pressure controlled valve (1) is communicated with working connection (2), gathers the oil pressure of working connection (2).
5. diesel lubrication low fuel pressure boosting protection alarm system according to claim 1, is characterized in that: be provided with oil sprayer (11) between described oil and water seperator (12) and Pneumatic valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461738.3U CN204152580U (en) | 2014-08-15 | 2014-08-15 | Diesel lubrication low fuel pressure boosting protection alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461738.3U CN204152580U (en) | 2014-08-15 | 2014-08-15 | Diesel lubrication low fuel pressure boosting protection alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152580U true CN204152580U (en) | 2015-02-11 |
Family
ID=52510705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420461738.3U Expired - Fee Related CN204152580U (en) | 2014-08-15 | 2014-08-15 | Diesel lubrication low fuel pressure boosting protection alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152580U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060362A (en) * | 2018-08-17 | 2018-12-21 | 广新海事重工股份有限公司 | The equipment oil test devices and methods therefor of cold-stroage boat |
| 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 |
| CN112781823A (en) * | 2021-01-15 | 2021-05-11 | 三峡大学 | Iron tower impact test device and method based on pneumatic ejection rolling stones |
| CN113236397A (en) * | 2021-04-28 | 2021-08-10 | 广西玉柴机器股份有限公司 | Engine-exhausted oil system |
-
2014
- 2014-08-15 CN CN201420461738.3U patent/CN204152580U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060362A (en) * | 2018-08-17 | 2018-12-21 | 广新海事重工股份有限公司 | The equipment oil test devices and methods therefor of cold-stroage boat |
| 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 |
| CN112781823A (en) * | 2021-01-15 | 2021-05-11 | 三峡大学 | Iron tower impact test device and method based on pneumatic ejection rolling stones |
| CN113236397A (en) * | 2021-04-28 | 2021-08-10 | 广西玉柴机器股份有限公司 | Engine-exhausted oil system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |