Oil injector test bench for diesel engine random tool

Abstract

The utility model discloses an oil injector test bed for a diesel engine random tool, which comprises a bracket, a test bed assembly arranged at the top end of the bracket, and an oil injection system connected to one side of the test bed assembly, the test bed assembly comprises a shell installed at the top end of the support, an air inlet connector arranged at the bottom of one side of the shell, an air pressure regulating valve, an oil return valve and a full-stroke valve which are evenly arranged on the side face of the bottom of the shell, a working pressure gauge and an air pressure gauge which are installed on the side face of the top of the shell, and an air pipe system arranged in the shell and communicated with the air inlet connector. According to the utility model, two groups of working pressure gauges and air pressure gauges are arranged, so that the oil pressure is accurately monitored, the current air pressure value can be read through the air pressure gauges, the output pressure of the air pipe system is convenient to regulate and control, and meanwhile, the device is provided with the energy storage tank, so that the stable operation of the air pipe system and the oil pipe system is effectively ensured; insufficient pressure caused by insufficient energy is avoided, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil atomizer test technical field, concretely is a diesel engine random tool uses oil atomizer test bench. BACKGROUND

[0002] Oil atomizer is a kind of precision device with very high machining precision, requires its dynamic flow range to be big, anti-clogging and anti-pollution ability is strong and atomization performance is good, oil atomizer receives the oil injection pulse signal sent by ECU, accurately controls fuel injection amount, but oil atomizer needs to be experimented before use, when testing, the existing experimental device is not stable enough, cannot guarantee the oil supply of test well, leading to the detection result not enough accurate, therefore a diesel engine random tool uses oil atomizer test bench is presented. UTILITY MODEL CONTENTS

[0003] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0004] Therefore, the technical scheme adopted by the utility model is as follows:

[0005] A kind of oil atomizer test bench for diesel engine random tool, including support, test bench assembly installed in the top of support, oil injection system connected in the side of test bench assembly, the test bench assembly includes the shell installed in the top of support, the air inlet interface being arranged in the bottom of one side of shell, air pressure regulating valve, oil return valve and full stroke valve being evenly arranged in the bottom side of shell, working pressure gauge and air pressure gauge being installed in the top side of shell, gas pipe system being arranged in the inside of shell and being communicated with air inlet interface, the oil injection system includes oil atomizer installed on the fixed platform of one side of the top of support, quick coupling being connected in the top of oil atomizer, high-pressure oil pipe being connected through the other end of quick coupling, high-pressure oil outlet being opened in the other side of shell and being connected with the other end of high-pressure oil pipe, oil pipe system being arranged in the inside of shell and being connected with the inner end of high-pressure oil outlet, pneumatic hydraulic pump being connected with oil pipe system.

[0006] Preferably, the top corner position in the shell is provided with an oil tank, and the oil tank is connected through with the oil pipe system.

[0007] Preferably, an indication nameplate is installed on the front top of the shell.

[0008] Preferably, the air pressure regulating valve is arranged on the air inlet of the gas pipe system, and the gas pipe system is connected with the oil pipe system pipeline.

[0009] Preferably, the number of working pressure gauge and air pressure gauge is one group of two.

[0010] Preferably, the handle is arranged at the median position of the shell where the working pressure gauge and air pressure gauge are arranged.

[0011] By adopting the technical scheme, the utility model discloses the obtained beneficial effect is:

[0012] In the utility model, through setting two groups of working pressure gauge and air pressure gauge, the oil pressure is accurately monitored, and the current air pressure value can be read through the air pressure gauge, the output pressure of the air pipe system is conveniently regulated and controlled, the device carries the energy storage tank, the stable operation of the air pipe system and the oil pipe system is effectively guaranteed, the pressure shortage caused by energy shortage is avoided, and the practicality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view schematic drawing of an embodiment of the utility model;

[0014] Figure 2 It is the side view schematic drawing of an embodiment of the utility model;

[0015] Figure 3 It is the test bench assembly front view sectional view of an embodiment of the utility model;

[0016] Figure 4 It is the test bench assembly overhead sectional view of an embodiment of the utility model.

[0017] Reference Signs

[0018] 110, support;

[0019] 210, shell; 211, oil tank; 212, handle; 220, air inlet; 230, air pressure regulating valve; 240, oil return valve; 250, full stroke valve; 260, indication nameplate; 270, working pressure gauge; 280, air pressure gauge; 290, air pipe system;

[0020] 310, oil sprayer; 320, quick coupling; 330, high pressure oil pipe; 340, high pressure oil outlet; 350, oil pipe system; 360, pneumatic hydraulic pump. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be explained that the embodiment of the utility model and the features in the embodiment can be combined mutually without conflict.

[0022] Some embodiments of the utility model are described below in combination with the drawings to provide a kind of oil sprayer test bench for diesel engine random tool.

[0023] Embodiment:

[0024] In combination Figures 1-4The utility model provides a kind of fuel injector test bench for diesel engine random tool, including support 110, the test bench assembly of being installed in the top of support 110, connect in the fuel injection system of test bench assembly side, test bench assembly includes the shell 210 of being installed in the top of support 110, the air inlet 220 of being set in the bottom of shell 210 side, air pressure regulating valve 230, oil return valve 240 and full stroke valve 250 are evenly arranged in the bottom side of shell 210, working pressure gauge 270 and air pressure gauge 280 are installed in the top side of shell 210, air pipe system 290 is set in the inside of shell 210 and is communicated with air inlet 220, the front top of shell 210 is equipped with indicating nameplate 260, the number of working pressure gauge 270 and air pressure gauge 280 is all one group two, fuel injection system includes fuel injector 310 being installed in the top side fixed platform of support 110, quick coupling 320 being connected in the top of fuel injector 310, high pressure oil pipe 330 being connected with the other end of quick coupling 320, high pressure oil outlet 340 being opened in the other side of shell 210 and being connected with the other end of high pressure oil pipe 330, oil pipe system 350 being set in the inside of shell 210 and being connected with the inner end of high pressure oil outlet 340, pneumatic hydraulic pump 360 being connected with oil pipe system 350, the top corner position in the inside of shell 210 is provided with oil tank 211, oil tank 211 is connected with oil pipe system 350, air pressure regulating valve 230 is set on the air inlet of air pipe system 290, and air pipe system 290 is connected with oil pipe system 350 pipeline, the central position of shell 210 where working pressure gauge 270 and air pressure gauge 280 are set is provided with handle 212.

[0025] Specifically, the position of fuel injector 310 is fixed by support 110, the test bench assembly is started to start pumping, oil is delivered by oil pipe system 350, output to high pressure oil pipe 330 through high pressure oil outlet 340, and finally enters fuel injector 310, when pressure reaches the opening pressure of fuel injector 310, fuel injector 310 starts atomization, and at this time, whether fuel injector 310 is qualified product is determined by observing atomization condition;

[0026] In addition, handle 212 is arranged between working pressure gauge 270 and air pressure gauge 280, handle 212 can quickly release pressure, so that fuel injector 310 can be repeatedly atomized by repeatedly pulling handle 212, and the testing accuracy of the device is improved.

[0027] The working principle and use process of the utility model: first, install the device, then connect the energy supply device, start the device to use, utilize the air intake interface 220 to connect the air, make the pneumatic hydraulic pump 360 obtain power, utilize the air pipe system 290 to the air and carry out the deployment, guarantee stable operation, utilize high pressure oil pipe 330 to connect each oil circuit structure, after the completion of connection, through high pressure oil outlet 340, spray the oil material, utilize the quick coupling 320 of high pressure oil pipe 330 end and the oil atomizer 310 connection, start testing can.

[0028] In addition, during the test, the working pressure gauge 270 and the air pressure gauge 280 detect the pressure parameters throughout the process.

[0029] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A diesel random tool injector test bench, characterized in that, The utility model provides a test bench for testing fuel injection system, which comprises a support (110), a test bench assembly installed on the top of the support (110), and an oil injection system connected to one side of the test bench assembly. The test bench assembly comprises a housing (210) installed on the top of the support (110), an air inlet (220) arranged at the bottom of one side of the housing (210), air pressure regulating valves (230) evenly arranged at the bottom of the side of the housing (210), an oil return valve (240) and a full stroke valve (250), a working pressure gauge (270) and an air pressure gauge (280) installed on the top of the side of the housing (210), and an air pipe system (290) arranged in the housing (210) and connected to the air inlet (220). The oil injection system comprises an oil injector (310) installed on a fixed platform on one side of the top of the support (110), a quick connector (320) connected to the top of the oil injector (310), a high-pressure oil pipe (330) connected to the other end of the quick connector (320), a high-pressure oil outlet (340) formed in the other side of the housing (210) and connected to the other end of the high-pressure oil pipe (330), an oil pipe system (350) arranged in the housing (210) and connected to the inner end of the high-pressure oil outlet (340), and a pneumatic hydraulic pump (360) connected to the oil pipe system (350).

2. A test bench for injectors of diesel engines according to claim 1, characterized in that, An oil tank (211) is arranged at the top corner of the housing (210), and the oil tank (211) is connected to the oil pipe system (350).

3. A test bench for injectors of diesel engines according to claim 1, characterized in that, An indication nameplate (260) is installed on the front top of the housing (210).

4. A test bench for injectors of diesel engines according to claim 1, characterized in that, The air pressure regulating valves (230) are arranged on the air inlets of the air pipe system (290), and the air pipe system (290) is connected to the oil pipe system (350).

5. A test bench for injectors of diesel engines according to claim 1, characterized in that, The working pressure gauge (270) and the air pressure gauge (280) are each a set of two.

6. A test bench for injectors of diesel engines according to claim 1, characterized in that, A handle (212) is arranged at the central position of the housing (210) where the working pressure gauge (270) and the air pressure gauge (280) are arranged.

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