CN210106050U - Diesel engine fuel injector testing device - Google Patents
Diesel engine fuel injector testing device Download PDFInfo
- Publication number
- CN210106050U CN210106050U CN201920715546.3U CN201920715546U CN210106050U CN 210106050 U CN210106050 U CN 210106050U CN 201920715546 U CN201920715546 U CN 201920715546U CN 210106050 U CN210106050 U CN 210106050U
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- oil
- sprayer
- pressure
- diesel engine
- relief valve
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model belongs to the technical field of the diesel engine overhauls, concretely relates to diesel injector verifying attachment. In the operation process of the diesel engine, the spray hole of the oil injector is easy to wear or block, and the oil injector is very important to test. The utility model discloses constitute by sprayer, sprayer takeover, manometer, oil tank, pressure relief valve, stop valve, handle, hydraulic pressure plunger. The pressure relief valve is fixedly connected with one end of the four-way pipeline at the lower end of the pressure gauge, and the two ends of the stop valve are respectively connected with the upper end of the hydraulic plunger and one end of the four-way pipeline at the lower end of the pressure gauge. The oil sprayer is connected with one end of the oil sprayer connecting pipe through threads, and the other end of the oil sprayer connecting pipe is connected with a pipeline at the lower end of the pressure gauge. The handle is fixedly connected with the piston inside the hydraulic plunger. The pressure relief valve and the stop valve adopt needle valves, and the pressure resistance grade is more than 32 Mpa.
Description
Technical Field
The utility model belongs to the technical field of the diesel engine overhauls, concretely relates to diesel injector verifying attachment.
Background
An injector for a diesel engine is a device for injecting high-pressure fuel into a combustion chamber of the diesel engine. According to the requirements of diesel engine, the diesel oil from high-pressure oil pump is sprayed into the specific position of combustion chamber according to a certain oil-spraying pressure, spray fineness and oil-spraying rule, etc. and mixed with air and combusted.
The currently used 16PC2-5V400 type diesel engine has 16 fuel injectors, 8 each in two rows of A/B, directly injects atomized diesel into a cylinder to do combustion work so as to provide energy, and ensures the optimal combustion ratio, atomization and optimal ignition time of the diesel engine. In the operation process of the diesel engine, a high-pressure oil pump to an oil sprayer are in a high-pressure working environment, and due to the influences of factors such as the service time, the fuel quality, the filtering effect of an oil filter and the like, spray holes of the oil sprayer are easy to wear or block, so that the dynamic property, the economical efficiency, the reliability and the service life of the diesel engine are directly influenced, and therefore, the diesel engine is vital to the inspection of the oil sprayer when the diesel engine can normally operate.
Disclosure of Invention
1. The purpose is as follows:
the utility model aims to develop a diesel engine sprayer test platform can realize examining the oil injection pressure, the atomization effect of sprayer and the no water clock performance of stopping oiling.
2. The technical scheme is as follows:
the utility model discloses constitute by sprayer, sprayer takeover, manometer, oil tank, pressure relief valve, stop valve, handle, hydraulic pressure plunger. The lower ends of the pressure relief valve and the pressure gauge are respectively and fixedly connected with one end of the four-way pipeline, and the two ends of the stop valve are respectively connected with the upper end of the hydraulic plunger and one end of the four-way pipeline at the lower end of the pressure gauge.
The oil injector is connected with one end of the oil injector connecting pipe through threads.
And the other end of the oil sprayer connecting pipe is connected with a pipeline at the lower end of the pressure gauge.
The handle is fixedly connected with the piston inside the hydraulic plunger.
The pressure relief valve and the stop valve adopt needle valves, and the pressure resistance grade is more than 32 Mpa.
The oil tank is connected with the upper end of the hydraulic plunger through a pipeline.
The oil sprayer, the oil sprayer connecting pipe, the pressure relief valve, the stop valve, the hydraulic plunger and the handle are all made of carbon steel.
The effect is as follows:
the utility model discloses a simple structure, compactness, application scope is wide, when satisfying oil injection pressure, the atomization effect to the sprayer and stopping oily no water clock performance inspection, has also improved sprayer detection efficiency.
Drawings
FIG. 1 injector test platform schematic
In the figure: 1. the fuel injector comprises a fuel injector, 2, a fuel injector connecting pipe, 3, a pressure gauge, 4, a fuel tank, 5, a pressure relief valve, 6, a stop valve, 7, a hydraulic plunger, 8 and a handle.
Detailed Description
The utility model discloses take over, manometer, pressure relief valve, stop valve, handle, oil tank, hydraulic pressure plunger by the sprayer and constitute, as shown in figure 1.
During the use, install at inspection platform sprayer takeover 2 department and examine sprayer 1, add right amount diesel oil to the oil tank 4 in, open stop valve 6, close pressure relief valve 5, press handle 8 exhaust air fast with shorter stroke, until the nozzle begins the spraying, change into the handle of even power full stroke slow pressure, along with the rocking of handle, 3 pointers of manometer slowly rise, the pointer shakes along with it when sprayer 1 begins to spray, pay attention to and confirm whether pressure when 3 pointers of manometer begin to shake accords with standard oil spout pressure value, check whether the spraying state is good. And if the pressure does not meet the standard oil injection pressure value or the spraying state does not meet the requirement, disassembling and adjusting the oil injector. If the pressure meets the standard oil injection pressure value and the spraying state meets the requirements, the oil injector 1 stops injecting the fuel oil, then slowly presses the handle 8 in the full stroke, when the reading of the pressure gauge 3 reaches more than 200bar, the stop valve 6 is closed, the pressure is kept for a period of time, whether the oil is dripped in the nozzle is checked, after the inspection is finished, the pressure relief valve 5 and the stop valve 6 are opened, the oil injector 1 is disassembled, the diesel oil in the oil tank 4 is collected to the designated position, and the inspection is finished.
The checking device main body, all connecting pieces and the like are made of carbon steel, all connecting interfaces are connected and fastened by fine threads with the thread pitch of 1.5, the sealing is conical surface sealing, and the gasket is made of copper gasket with the thickness of 1.5 mm. The pressure relief valve and the stop valve adopt needle valves, and the pressure resistance grade is more than 32 Mpa.
The utility model discloses a simple structure, compactness, application scope is wide, when satisfying oil injection pressure, the atomization effect to the sprayer and stopping oily no water clock performance inspection, has also improved sprayer detection efficiency.
Claims (7)
1. A diesel injector testing apparatus comprising: sprayer (1), sprayer takeover (2), manometer (3), oil tank (4), handle (8), its characterized in that: the lower ends of the pressure relief valve (5) and the pressure gauge (3) are respectively fixedly connected with one end of a four-way pipeline, and the two ends of the stop valve (6) are respectively connected with the upper end of the hydraulic plunger (7) and one end of the four-way pipeline at the lower end of the pressure gauge (3).
2. A diesel injector testing apparatus as claimed in claim 1, characterized in that: the oil sprayer (1) is connected with one end of the oil sprayer connecting pipe (2) through threads.
3. A diesel injector testing apparatus as claimed in claim 2, characterized in that: the other end of the oil sprayer connecting pipe (2) is connected with a pipeline at the lower end of the pressure gauge (3).
4. A diesel injector testing apparatus as claimed in claim 2, characterized in that: the handle (8) is fixedly connected with the piston inside the hydraulic plunger (7).
5. A diesel injector testing apparatus as claimed in claim 1, characterized in that: the pressure relief valve (5) and the stop valve (6) adopt needle valves, and the pressure resistance grade is more than 32 Mpa.
6. A diesel injector testing apparatus as claimed in claim 1, characterized in that: the oil tank (4) is connected with the upper end of the hydraulic plunger (7) through a pipeline.
7. The diesel injector testing apparatus according to claim 6, characterized in that: the fuel injector (1), the fuel injector connecting pipe (2), the pressure relief valve (5), the stop valve (6), the hydraulic plunger (7) and the handle (8) are all made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920715546.3U CN210106050U (en) | 2019-05-17 | 2019-05-17 | Diesel engine fuel injector testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920715546.3U CN210106050U (en) | 2019-05-17 | 2019-05-17 | Diesel engine fuel injector testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106050U true CN210106050U (en) | 2020-02-21 |
Family
ID=69560855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920715546.3U Active CN210106050U (en) | 2019-05-17 | 2019-05-17 | Diesel engine fuel injector testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106050U (en) |
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2019
- 2019-05-17 CN CN201920715546.3U patent/CN210106050U/en active Active
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