CN206523194U - Amount of fuel test bed apparatus and the automotive engine test bench system with the device - Google Patents

Abstract

The utility model relates to the technical field of engine test equipment, in particular to a fuel quantity test bench device used for tractor fuel quantity test and an engine test bench system with the device. The fuel quantity test bench device includes a fuel tank and a fuel quantity detection mechanism. The fuel quantity detection mechanism is used to extract fuel from the fuel tank, and perform volume parameter measurement and volume comparison measurement of the extracted fuel; the fuel outlet of the fuel tank Equipped with liquid level measuring mechanism. The structure of the device is optimized, and the fuel tank is used as the measurement object. Through the fuel quantity detection mechanism, it can measure the change of the fuel quantity of the fuel tank intuitively, flexibly and efficiently, and can provide intuitive measurement comparison data. The liquid level measuring mechanism at the mouth directly measures the change of the fuel liquid level in the fuel tank, and can express the flow data as a volume parameter, and display the change of the fuel quantity intuitively in real time, which is convenient for operation and reduces the cost.

Description

Fuel quantity test bench device and engine test bench system with the device

technical field

The utility model relates to the technical field of engine test equipment, in particular to a fuel quantity test bench device used for tractor fuel quantity test and an engine test bench system with the device.

Background technique

The engine bench test is an important part of the engine development stage. It is not only used to test the reliability of the engine as a whole and related components, but also to verify whether the performance of the engine has reached the original design index. A large number of bench tests are inseparable before successful mass production.

The engine test benches currently used for engine bench tests are mostly engine overall performance test platforms, which are mainly composed of measurement control systems, experimental objects (engines) and related auxiliary systems. Different technical support systems are required for different experiments. ,complex structure.

Because there will be a lot of vibration during the bench test, and this vibration is enough to destroy the structural strength of the machine parts and the house, thus affecting the normal operation of the corresponding instruments. In order to ensure the normal operation of the test, it is necessary to reduce and isolate the foundation of the test bench. At the same time, it is necessary to avoid the resonance phenomenon between the foundation of the test bench and the engine, and to control the vibration of the foundation of the test bench within a certain range. Vibration is a factor that must be considered in the bench test, so the engine test bench test has high requirements for the experimental environment, and the test site has certain limitations.

At present, when testing the amount of fuel in a tractor engine, it is necessary to directly measure the fuel consumption and the oil level of the fuel tank, and the existing test platform is difficult to meet the experimental requirements.

The main problems existing in the existing test platform are:

(1) The structure is complex, requiring more supporting systems, and the cost of construction and use is expensive.

(2) The volume is large and it is inconvenient to move.

(3) Large vibrations are generated during the experiment, and the requirements for the experiment environment are relatively high.

(4) With the engine as the main test component, it is inconvenient to measure the oil level of the fuel tank.

(5) Installation, disassembly and replacement are cumbersome.

Utility model content

(1) Technical problems to be solved

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a fuel test bench device and an engine test bench system with the device. The direct measurement of fuel tank volume and oil level.

(2) Technical solution

In order to solve the above technical problems, the utility model provides a fuel quantity test bench device, which includes a fuel tank and a fuel quantity detection mechanism, the fuel quantity detection mechanism is used to extract fuel from the fuel tank, and The fuel is subjected to volume parameter measurement and volume comparison measurement of fuel quantity; the fuel outlet of the fuel tank is provided with a liquid level measuring mechanism.

Further, the oil quantity detection mechanism includes:

A volume measuring device communicates with the fuel tank through the fuel pipe, and is used for volumetric comparison determination of the extracted fuel oil;

The fuel quantity sensor is arranged on the fuel pipe, and is used for measuring the volume parameter of the fuel quantity drawn out in real time.

Further, a fuel pump is installed on the fuel pipe.

Further, a filter is communicated with the fuel pipe, and the fuel quantity sensor is correspondingly arranged on the filter.

Further, the oil quantity sensor is connected with an oil quantity indicator.

Further, the volume measuring device is a measuring cup or cylinder.

Further, it also includes a movable platform mechanism, and the fuel tank and the fuel quantity detection mechanism can be detachably installed on the platform mechanism.

Further, the platform mechanism includes:

The base has guide wheels at the bottom, and the fuel tank and the fuel quantity detection mechanism are detachably mounted on the base;

The partition is fixed on the base, and the fuel quantity detection mechanism is arranged along the partition and both sides of the partition, so that the shock absorption between the fuel quantity volume parameter measurement and the volume comparison measurement performed by the fuel quantity detection mechanism is isolation.

Further, one side of the base is fixedly connected with an armrest bracket, and the bottom of the base is a frame structure.

The utility model also provides an engine test bench system, which includes the above-mentioned fuel quantity test bench device.

(3) Beneficial effects

The above-mentioned technical scheme of the utility model has the following beneficial effects: the fuel quantity test stand device of the present utility model comprises a fuel tank and a fuel quantity detection mechanism, and the fuel quantity detection mechanism is used for extracting fuel from the fuel tank, and performing a fuel test on the extracted fuel. The volume parameter measurement and volume comparison measurement of the quantity; the oil outlet of the fuel tank is provided with a liquid level measurement mechanism. The structure of the device is optimized, abandoning the complex fuel supply, cooling, lubrication and other support systems in the prior art, and taking the fuel tank as the measurement object, the oil quantity detection mechanism can intuitively, flexibly and efficiently measure the change of the fuel quantity of the fuel tank. And can provide intuitive measurement comparison data, and at the same time, through the liquid level measurement mechanism installed at the fuel tank outlet, the fuel level change in the fuel tank can be directly measured, and the flow data can be expressed in volume parameters, and the fuel volume can be displayed intuitively in real time The amount of change is easy to operate and reduces costs.

Description of drawings

Fig. 1 is a schematic structural diagram of a fuel quantity test bench device according to an embodiment of the present invention.

Among them, 1. guide wheel; 2. base; 3. fuel tank; 4. fuel level sensor; 5. fuel level indicator; 6. clapboard; 7. fuel pump; 8. fuel pipe; 9. armrest bracket; 1. Measuring cup; 11. Filter.

detailed description

The implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

In the description of the present utility model, unless otherwise specified, "plurality" means two or more. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" etc. is Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot It should be understood as a limitation of the present utility model.

As shown in Figure 1, the fuel quantity test bench device described in this embodiment includes a fuel tank 3 and a fuel quantity detection mechanism, and the fuel quantity detection mechanism is used to extract fuel from the fuel tank 3, and perform a fuel quantity test on the extracted fuel. Volume parameter measurement and volume comparison measurement; the oil outlet of the fuel tank 3 is provided with a liquid level measurement mechanism. The device has been optimized in structure, abandons the complex fuel supply, cooling, lubrication and other supporting systems in the prior art, and takes the fuel tank 3 as the measurement object, and can measure the fuel volume of the fuel tank 3 intuitively, flexibly and efficiently through the fuel quantity detection mechanism changes, and can provide intuitive measurement comparison data, and at the same time, the fuel level change in the fuel tank 3 can be visually measured through the liquid level measurement mechanism set at the fuel tank 3 outlet, and the flow data can be expressed in volume parameters, which is real-time and intuitive The change of fuel quantity can be clearly displayed, which is convenient for operation and reduces the cost.

Specifically, the fuel quantity detection mechanism includes a volume measurer and a fuel quantity sensor 4. The volume measurer is communicated with the fuel tank 3 through a fuel pipe 8, and is used for volumetric comparison measurement of the extracted fuel oil. The fuel quantity sensor 4 is arranged on On the fuel pipe 8, it is used to measure the volume parameter of the fuel quantity extracted in real time. The volume parameter of the fuel quantity can be equal to the change of the fuel quantity in the fuel tank 3, so that the fuel quantity sensor 4 is used as the volume parameter of the fuel quantity. The real-time measurement tool uses the volume measurer as a comparative measurement tool for the volume parameters of the fuel volume to realize the real-time measurement and comparative measurement of the fuel volume, and then quickly and efficiently obtain the fuel consumption of the tractor engine fuel tank 3 during operation, and use the The experimental data and comparative data are combined and compared to make the experimental data more accurate and reliable.

Further, preferably, a fuel pump 7 is installed on the fuel pipe 8, and the fuel in the fuel tank 3 is pumped out by using the fuel pump 7. The fuel pump 7 adopts an electronic fuel pump 7, and is connected with the fuel quantity data processor. The data processor controls the pumping speed of the fuel pump 7 to control the fuel flow rate in the fuel pipe 8; the fuel quantity sensor 4 is preferably connected with a fuel quantity display 5, and the fuel quantity sensor 4 and the fuel quantity display 5 are connected with the fuel quantity data processor respectively. connected, the fuel quantity in the fuel pipe 8 is sensed and measured by the fuel quantity sensor 4, and the data is converted into a fuel quantity volume parameter by the fuel quantity data processor in real time, and is visually shown by the fuel quantity display 5; Measuring cup 10 or measuring cylinder with volume measuring scale line, when fuel is extracted from fuel tank 3 and enters into measuring cup 10 through fuel pipe 8, use measuring cup 10 to visually measure the volume of the extracted fuel. The volume of fuel shown in measuring cup 10 Parameters can be used as experimental comparison parameters; at the same time, preferably, a filter 11 is communicated with the fuel pipe 8, and the fuel quantity sensor 4 is correspondingly arranged on the filter 11. After the fuel is pumped out from the fuel tank 3, it first enters the filter 11 Inner filtration, so that the volume parameter of the fuel oil amount obtained in the experiment is more accurate; In addition, in the present embodiment, further preferably a liquid level sensor is arranged at the bottom of the fuel tank 3, and cooperates with the liquid level measuring mechanism arranged at the fuel tank 3 oil outlet to measure the fuel tank 3 for visual measurement of the oil level, the liquid level measuring mechanism can choose a ruler of sufficient length, insert the ruler into the fuel tank 3 from the oil outlet of the fuel tank 3, according to the indication of the oil on the ruler scale, it can be obtained Fuel level data in fuel tank 3.

In order to ensure the flexible movement of the device in this embodiment, the device also includes a movable stand mechanism, on which the fuel tank 3 and the fuel quantity detection mechanism can be detachably installed.

Specifically, the platform mechanism includes a base 2 and a partition 6. Preferably, the bottom of the base 2 is provided with a guide wheel 1, and the fuel tank 3 and the fuel quantity detection mechanism are detachably installed on the base 2, and the base 2 is driven by the guide wheel 1. The seat 2 moves flexibly, thereby driving the fuel tank 3 and the fuel quantity detection mechanism to move; the partition 6 is fixed on the base 2, and the fuel quantity detection mechanism is arranged along the partition 6 and both sides of the partition 6, so that the fuel quantity detection The shock-absorbing isolation between the measurement of the fuel volume volume parameter and the volume comparison measurement carried out by the mechanism; at the same time, one side of the base 2 is preferably fixedly connected with the armrest bracket 9, so that the user can use the armrest bracket 9 to push or pull the base 2 to move at any time. Thereby the device can be moved flexibly; the bottom of the base 2 is preferably a frame structure, and the fuel tank 3 can be bound and fixed on the bottom frame of the base 2, and the fuel tank 3 of different sizes can be removed and replaced at any time according to the needs of the experiment.

A specific embodiment is provided below for the gantry mechanism to describe in detail the specific structure and effect of the gantry mechanism.

The base 2 of the device is welded by rectangular thick steel pipes, presenting a rectangular frame as a whole to improve the shock absorption effect, and the partition 6 is a rectangular hollow steel box welded by thick steel plates, which is welded at the center of the long side of the rectangular frame base 2 . There are guide wheels 1 made of rubber under the steel pipes around the base 2, and they are fixed under the base 2 by T-shaped bolts. The guide wheels 1 are equipped with self-locking caster devices, and the four guide wheels 1 are all universal. wheel. A rectangular steel pipe is respectively welded in the middle of the frame of the base 2 on both sides of the partition 6; the fuel tank 3 is placed on one side of the base 2, and fixed on the base 2 by means of steel strip binding, and the measuring cup 10 is placed on the The installation position on the other side of the base 2; combine the oil sensor 4 with the matching filter 11, and use self-tapping screws and steel rings to fix the combination of the filter 11 and the oil sensor 4 on one side of the partition 6. Use a drill to drill two 10mm diameter round holes on the top of the partition 6 on the side where the filter 11 is placed, and use screws to fix the electronic fuel pump 7 on the top of the partition 6; use a flexible fuel pipe 8 to connect Each part of the device is fixed to ensure that there is no air leakage at the connection. The armrest bracket 9 is fixed on the side of the base 2 where the measuring cup 10 is placed, which is convenient for the whole mobile device. After the above work is completed, the power supply and control lines of the electrical components of each device can be connected and fixed.

It should be noted that, in the stand mechanism of this embodiment, the shape of the base 2 and the partition plate 6 can be set in other shapes besides being rectangular, and the material can be set in other shapes with good shock absorption besides steel. The material of the effect.

During the experiment, the fuel pump 7 in the fuel tank 3 is pumped out to the measuring cup 10 through the electronic fuel pump 7. When pumping out, the fuel enters the filter 11 through the fuel pipe 8 to be filtered. At this time, the fuel quantity sensor senses and tests the pumped out The volume parameter of the fuel oil quantity of the fuel is shown by the display. After the fuel is filtered by the filter 11, it enters the measuring cup 10 through the fuel pipe 8. The fuel volume volume comparison value used for comparison is compared with the indication of the fuel quantity display 5 to check the accuracy of the experimental data; utilize the liquid level measuring mechanism arranged at the fuel tank 3 oil outlet to directly measure the liquid level in the fuel tank 3 The oil level in the fuel tank 3 can be visually obtained.

This embodiment also provides an engine test bench system, the system includes the fuel quantity test bench device as described above, the test bench device is combined with other components described in the background technology, both for tractors The overall performance of the engine is tested, and the fuel quantity and oil level of the fuel tank 3 can be measured flexibly and efficiently.

To sum up, the fuel quantity test bench device of this embodiment has been optimized in structure, and the complex fuel supply, cooling, lubrication and other support systems in the prior art are discarded, and the fuel tank 3 is used as the measurement object, and the fuel quantity detection mechanism can Intuitive, flexible and efficient measurement of the change in the fuel volume of the fuel tank 3, and can provide intuitive measurement comparison data, and at the same time directly measure the change of the fuel level in the fuel tank 3 through the liquid level measurement mechanism set at the outlet of the fuel tank 3 , and the flow data can be represented by volume parameters, and the change of fuel volume can be displayed intuitively in real time, which is convenient for operation and reduces costs; it can be seen from the above that the device has the advantages of simple structure, high detection efficiency, convenient testing, flexible movement, etc., and The following technical effects:

(1) For the experimental purpose of testing the amount of fuel and the oil level of the fuel tank 3, the complex fuel supply, cooling, lubrication and other supporting systems are discarded, and the fuel tank 3 is used as the main test device, which can directly measure the fuel volume and oil level of the fuel tank 3 Accurate measurement solves the problems of complex system structure of the fuel measurement test bench, inconvenient measurement of the oil level of the fuel tank 3, and high cost of measurement experiments, simplifies the composition of the test platform, facilitates operation, and reduces the cost of use.

(3) A guide wheel 1 is added to the base 2, and the guide wheel 1 is equipped with a self-locking caster device, which solves the problem that the fuel oil measurement test bench is heavy and inconvenient to move. It is flexible to move, fixed at any time, and easy to operate.

(4) The fuel tank 3 fixing bracket is bound with detachable steel bars, which can be adjusted at any time according to the size of different fuel tanks 3, which solves the problem of inconvenient installation and disassembly of the measuring platform components and improves work efficiency.

(5) The fuel quantity display 5 converts the flow data into volume data, displays the change of the fuel quantity in the fuel tank 3 intuitively in real time, and solves the problem that the fuel quantity cannot be obtained directly.

The embodiments of the invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principle and practical application of the invention, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for particular purposes.

Claims (10)

1. a kind of amount of fuel test bed apparatus, it is characterised in that including fuel tank and oil mass detection mechanism, the oil mass detection Mechanism is used to extract fuel oil out from the fuel tank, and the volume parameter of the fuel oil progress amount of fuel of extraction is determined and body Product comparative determination；The oil-out of the fuel tank is provided with level gauging mechanism.

2. device according to claim 1, it is characterised in that the oil mass detection mechanism includes：

Device for volume measurement, is connected by fuel pipe with fuel tank, and the volume pair of amount of fuel is carried out for the fuel oil to extraction Than determining；

Fuel-quantity transducer, is arranged on the fuel pipe, for carrying out the volume ginseng of amount of fuel to the fuel oil of extraction in real time Number is determined.

3. device according to claim 2, it is characterised in that be provided with fuel pump on the fuel pipe.

4. device according to claim 2, it is characterised in that cleaner is communicated with the fuel pipe, the oil mass is passed Sensor is correspondingly arranged on the cleaner.

5. device according to claim 2, it is characterised in that the fuel-quantity transducer is connected with fuel monitor.

6. device according to claim 2, it is characterised in that the device for volume measurement is measuring cup or graduated cylinder.

7. the device according to claim any one of 1-6, it is characterised in that described also including moveable stage mechanism Fuel tank and oil mass detection mechanism are mounted on stage mechanism.

8. device according to claim 7, it is characterised in that the stage mechanism includes：

Pedestal, bottom is provided with directive wheel, and the fuel tank and oil mass detection mechanism are detachably arranged on the pedestal；

Dividing plate, is fixed on pedestal, the oil mass detection mechanism along along dividing plate and dividing plate both sides set so that the oil mass examine The amount of fuel volume parameter for surveying mechanism progress determines the damping isolation between volume vs' measure.

9. device according to claim 8, it is characterised in that the side of the pedestal is fixedly connected with armrest support, institute The bottom for stating pedestal is frame structure.

10. a kind of automotive engine test bench system, it is characterised in that including the amount of fuel as described in claim any one of 1-9 Test bed apparatus.