CN205532975U - Detection apparatus for leak in monoblock pump - Google Patents
Detection apparatus for leak in monoblock pump Download PDFInfo
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- CN205532975U CN205532975U CN201620046450.9U CN201620046450U CN205532975U CN 205532975 U CN205532975 U CN 205532975U CN 201620046450 U CN201620046450 U CN 201620046450U CN 205532975 U CN205532975 U CN 205532975U
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- monoblock pump
- compressed air
- monoblock
- pump
- pressure transducer
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Abstract
The application discloses detection apparatus for leak in monoblock pump includes: compressed air tank, first spherical valve, airtight oil tank, monoblock pump, second spherical valve, pressure sensor and universal meter, wherein, compressed air tank says through compressed air pipe and is connected with airtight oil tank, be equipped with first spherical valve between compressed air tank and airtight oil tank, airtight oil tank, respectively with compressed air tank and monoblock pump are connected, monoblock pump respectively with airtight oil tank and pressure sensor are connected, are equipped with the second spherical valve between monoblock pump and pressure sensor, pressure sensor is connected with monoblock pump and universal meter respectively, the universal meter with pressure sensor is connected. The utility model provides a detection apparatus for leak in monoblock pump range of application is extensive, can use on all kinds of diesel engines, shorten the diagnosis time of trouble diesel engine for maintenance efficiency, simulate the user state on the whole car completely, the disposable input of this device can be used for a long time.
Description
Technical field
This utility model relates to diesel engine fault detection device, specifically, relates to the detection of a kind of monoblock pump internal hemorrhage due to trauma
Device.
Background technology
If there is fuel low-pressure pipeline air inlet in Fuel Feeding System for Diesel Engine system, it is possible that leak point has oil transfer pump to enter
The parts such as oil pipe line, monoblock pump and relevant pad.And if it have been confirmed that diesel oil internal hemorrhage due to trauma fuel oil fault, then lockable is monoblock pump
There is internal hemorrhage due to trauma.In monoblock pump, monoblock pump plunger matching parts is one of most important precision pair of diesel engine, by plunger and plunger bushing group
Becoming, belong to precision-fit part, fit clearance only has 0.0015-0.0025mm, is to match after polish, grind and form
's.The too small easy plunger in gap is stuck, and excesssive gap easily causes diesel oil leakage, and plunger gap is an importance of monoblock pump
Can index.
The main cause that diesel engine starting difficulty, oil sump liquid level go up is:
1) main cause that diesel engine oil pan machine oil liquid level raises is seepage diesel oil at monoblock pump plunger；
2) main cause of diesel engine difficulty in starting overnight is that at monoblock pump plunger, permeability causes fuel pipe air inlet.
So, invent a kind of monitoring device that can detect monoblock pump whether seepage and just seem extremely important.
Utility model content
Technical problem to be solved in the utility model is to detect the monitoring device of monoblock pump whether seepage.
For solving above-mentioned technical problem, this utility model provides the detection device of a kind of monoblock pump internal hemorrhage due to trauma, including: compression
Air tank, the first globe valve, closed tank, monoblock pump, the second globe valve, pressure transducer and circuit tester, wherein,
Described compressed air cylinder, is connected with described closed tank by compressed air piping, at compressed air cylinder with close
Close and between fuel tank, be provided with the first globe valve, be used for controlling compressed-air actuated switch, pressure and flow；
Described closed tank, is connected with described compressed air cylinder and monoblock pump respectively, for supplementing diesel oil to monoblock pump；
Described monoblock pump, is connected with described closed tank and pressure transducer respectively, at monoblock pump and pressure transducer
Between be provided with the second globe valve, for controlling the switch of pressure transducer；
Described pressure transducer, is connected with monoblock pump and circuit tester respectively, for monitoring the pressure drop signal in monoblock pump
Send to circuit tester；
Described circuit tester, is connected with described pressure transducer, for the voltage drop value of displaying monomer pump.
Preferably, described monoblock pump is connected by low pressure oil duct with closed tank.
Preferably, between described first globe valve and closed tank, Pressure gauge is installed.
Compared with prior art, the detection device of monoblock pump internal hemorrhage due to trauma described in the utility model, reach following effect:
(1) the detection device of the monoblock pump internal hemorrhage due to trauma of the application has wide range of applications, and may apply on all kinds of diesel engine；
(2) shorten the Diagnostic Time of fault diesel engine, accelerate maintenance efficiency；
(3) the use state on car load is simulated completely；
(4) disposably put into can be with life-time service for this device；
(5) this device is also applied to the lookup of other fault of diesel engine, such as diesel engine cylinder cover crackle, body internal hemorrhage due to trauma
Trouble shoot.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes one of the present utility model
Point, schematic description and description of the present utility model is used for explaining this utility model, is not intended that of the present utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the structure of the detecting device figure of the monoblock pump internal hemorrhage due to trauma of the application；
Wherein: 101-compressed air cylinder；102-the first globe valve；
103-closed tank；104-monoblock pump；
105-the second globe valve；106-pressure transducer；
107-circuit tester；108-low pressure oil duct；
109-monoblock pump leaks hunting mold；110-Pressure gauge.
Detailed description of the invention
As employed some vocabulary in the middle of description and claim to censure specific components.Those skilled in the art should
It is understood that hardware manufacturer may call same assembly with different nouns.This specification and claims are not with name
The difference claimed is used as distinguishing the mode of assembly, but is used as the criterion distinguished with assembly difference functionally.As logical
" comprising " mentioned in the middle of piece description and claim is an open language, therefore should be construed to " comprise but do not limit
In "." substantially " referring in receivable range of error, those skilled in the art can solve described in the range of certain error
Technical problem, basically reaches described technique effect.Description subsequent descriptions is for implementing better embodiment of the present utility model, so
Described description is for the purpose of rule of the present utility model to be described, is not limited to scope of the present utility model.This reality
With novel protection domain when being as the criterion depending on the defined person of claims.
Below in conjunction with accompanying drawing, this utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment 1:
In conjunction with Fig. 1, present embodiments provide the detection device of a kind of monoblock pump 104 internal hemorrhage due to trauma, including: compressed air cylinder 101,
First globe valve 102, closed tank 103, monoblock pump the 104, second globe valve 105, pressure transducer 106 and circuit tester 107.
Described compressed air cylinder 101, is connected, in compressed air with described closed tank 103 by compressed air piping
It is provided with the first globe valve 102 between tank 101 and closed tank 103, is used for controlling compressed-air actuated switch, pressure and flow.?
Between first globe valve 102 and closed tank 103, Pressure gauge 110 is installed, measures compressed-air actuated pressure and flow.
Described closed tank 103, is connected with described compressed air cylinder 101 and monoblock pump 104 respectively, for monoblock pump
Supplement diesel oil.
Described monoblock pump 104, is connected with described closed tank 103 and pressure transducer 106, respectively at monoblock pump 104
And it is provided with the second globe valve 105 between pressure transducer 106, for controlling the switch of pressure transducer 106, described monoblock pump
104 are connected by low pressure oil duct 108 with closed tank 103.From figure 1 it appears that low pressure oil duct 108 and monoblock pump leak hunting
The structure that mold 109 is integrated, low pressure oil duct runs through monoblock pump and leaks hunting mold 109, when detecting monoblock pump 104 whether internal hemorrhage due to trauma,
Monoblock pump being put into monoblock pump and leaks hunting in mold 109, the mold 109 that leaks hunting of the monoblock pump in the application is for simulated engine
Operation and design, the leak hunting structure of mold 109 of monoblock pump with to remove other structure beyond monoblock pump in electromotor identical,
For detecting the internal hemorrhage due to trauma of monoblock pump.
Described pressure transducer 106, is connected with monoblock pump 104 and circuit tester 107 respectively, is used for monitoring monoblock pump 104
Interior pressure drop signal sends to circuit tester 107.
Described circuit tester 107, is connected with described pressure transducer 106, for the voltage drop value of displaying monomer pump 104.
Embodiment 2:
On the basis of embodiment 1, the present embodiment is Application Example, and the detection device of the application uses in use " to be protected
Pressure surveys pressure decline method " monoblock pump 104 is detected:
(1) first first globe valve the 102, second globe valve 105 cuts out.Being poured into by diesel oil in closed tank 103, diesel oil is protected
Holding in a high position, diesel oil fills in low pressure oil duct and monoblock pump 104, and now low pressure oil duct and monoblock pump 104 are in air-tight state.
(2) being opened by the first globe valve 102, the compressed air of 2bar enters in closed tank 103, compressed-air actuated
Under effect, diesel oil is filled into low pressure oil duct with monoblock pump 104 Anywhere, after pause 60min, at observation monoblock pump 104 is
No have diesel oil to spill.
(3) being closed by the first globe valve 102 after 60min, the second globe valve 105 is opened, now low pressure oil duct, monoblock pump
104, pressure transducer 106 (pressurize sensor) connection, is transferred to circuit tester 107 by pressure transducer 106 signal, observes every point
Voltage drop value in clock.
This device is the application when similar fault mode occurs in diesel engine, therefore, when diesel engine startup overnight or bavin
When oil machine run down time is long when of difficulty in starting and diesel engine oil pan machine oil liquid level rise fault, this is used to fill
Put solution fault.
Described above illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned, it should be understood that this
Utility model is not limited to form disclosed herein, is not to be taken as the eliminating to other embodiments, and can be used for various
Other combinations, amendment and environment, and can be in utility model contemplated scope described herein, by above-mentioned teaching or association area
Technology or knowledge be modified.And the change that those skilled in the art are carried out and change are without departing from spirit of the present utility model and model
Enclose, the most all should be in the protection domain of this utility model claims.
Claims (3)
1. the detection device of a monoblock pump internal hemorrhage due to trauma, it is characterised in that including: compressed air cylinder, the first globe valve, airtight oil
Case, monoblock pump, the second globe valve, pressure transducer and circuit tester, wherein,
Described compressed air cylinder, is connected with described closed tank by compressed air piping, at compressed air cylinder and airtight oil
It is provided with the first globe valve between case, is used for controlling compressed-air actuated switch, pressure and flow；
Described closed tank, is connected with described compressed air cylinder and monoblock pump respectively, for supplementing diesel oil to monoblock pump；
Described monoblock pump, is connected with described closed tank and pressure transducer, respectively between monoblock pump and pressure transducer
It is provided with the second globe valve, for controlling the switch of pressure transducer；
Described pressure transducer, is connected with monoblock pump and circuit tester respectively, sends for monitoring the pressure drop signal in monoblock pump
To circuit tester；
Described circuit tester, is connected with described pressure transducer, for the voltage drop value of displaying monomer pump.
The detection device of monoblock pump internal hemorrhage due to trauma the most according to claim 1, it is characterised in that described monoblock pump and closed tank
It is connected by low pressure oil duct.
The detection device of monoblock pump internal hemorrhage due to trauma the most according to claim 1, it is characterised in that at described first globe valve with close
Close and Pressure gauge is installed between fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620046450.9U CN205532975U (en) | 2016-01-18 | 2016-01-18 | Detection apparatus for leak in monoblock pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620046450.9U CN205532975U (en) | 2016-01-18 | 2016-01-18 | Detection apparatus for leak in monoblock pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532975U true CN205532975U (en) | 2016-08-31 |
Family
ID=56764242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620046450.9U Active CN205532975U (en) | 2016-01-18 | 2016-01-18 | Detection apparatus for leak in monoblock pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321305A (en) * | 2016-11-08 | 2017-01-11 | 广西玉柴机器股份有限公司 | Oil pressure ensuring device of low-pressure pipeline of diesel engine |
| CN110500218A (en) * | 2019-08-07 | 2019-11-26 | 中国北方发动机研究所(天津) | A kind of monoblock pump sealing pair leakage test device |
-
2016
- 2016-01-18 CN CN201620046450.9U patent/CN205532975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321305A (en) * | 2016-11-08 | 2017-01-11 | 广西玉柴机器股份有限公司 | Oil pressure ensuring device of low-pressure pipeline of diesel engine |
| CN110500218A (en) * | 2019-08-07 | 2019-11-26 | 中国北方发动机研究所(天津) | A kind of monoblock pump sealing pair leakage test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 116600 No. 117 Huanghai Middle Road, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: FAW Jiefang Dalian Diesel Engine Co., Ltd. Address before: 116600 No. 117 Huanghai Middle Road, Dalian Development Zone, Liaoning Province Patentee before: Deutz Diesel Engine Co. Ltd. (Dalian) |