Fuel pump system detector

Abstract

The utility model discloses a fuel pump system detector, which relates to the technical field of fuel pump performance detection, aims to solve the problem that in the prior art, a turnover oil tank and instrument calibration consume a large amount of manpower, and adopts the technical scheme that the fuel pump system detector comprises a chassis assembly, and the chassis assembly is connected with the turnover oil tank through a shaft; the turnover oil tank is provided with at least two groups of pipeline accessories and detection positions, a speed reducer is arranged at the hinged part of the turnover oil tank and the chassis assembly, the speed reducer is connected with a driving device, the chassis assembly is also provided with an electrical system, the electrical system is provided with an instrument and an electric control button, and the pipeline accessories are provided with sensors; by arranging the crank and the speed reducer, the oil tank can be driven to turn over with small force, and manpower is saved; an electrical system and a sensor are arranged, parameters are detected through the sensor, and the precision is higher; the oil tank is provided with a plurality of detection oil ways and a plurality of detection positions, so that a plurality of fuel pumps can be detected at the same time, and the efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel pump performance detection, in particular to a fuel pump system detector. Background Art

[0002] The fuel pump system tester is used to test the aviation fuel pump. In order to simulate the swaying in flight, the fuel tank of the tester is set to flip the fuel tank. The existing system tester has only one detection position, and the detection efficiency is low. The flipping of the fuel tank is achieved by manually pushing and shaking the fuel tank. The combined weight of the fuel tank and the test pump body is large, which consumes a lot of manpower. In addition, the existing tester uses detachable instrument detection, which has many problems. First, the mechanical instrument has low accuracy. Second, the meter calibration needs to be disassembled and sent for inspection, which is time-consuming and labor-intensive. Finally, mechanical instruments generally do not have explosion-proof functions, and there is a risk of explosion during use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a fuel pump system detector, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a fuel pump system detector, which adopts the technical scheme of comprising a chassis assembly, wherein the upper shaft of the chassis assembly is connected to a flip oil tank, the flip oil tank has at least two groups of pipeline accessories and detection positions, and can detect multiple fuel pumps at the same time, a reducer is installed at the hinge of the flip oil tank and the chassis assembly, the reducer is connected to a driving device, and the driving device drives the oil tank to flip after deceleration by the reducer, which is more labor-saving, and the chassis assembly is also equipped with an electrical system, the electrical system is equipped with an instrument and an electric control button, the pipeline accessories are equipped with a sensor, and the electrical system has a microprocessor, the microprocessor and the sensor, the instrument, and the electric control button are electrically connected, and the detection is performed through the sensor, which has higher accuracy; a fuel tank limiter is also installed between the flip oil tank and the chassis assembly, which can limit the flipping direction of the fuel tank to prevent the cable from being entangled due to the wrong flipping direction, and an in-situ metering joint is installed on the chassis assembly, which can be used for in-situ metering and verification, and does not need to be disassembled for inspection, which is more time-saving and labor-saving.

[0005] As a preferred technical solution of the utility model, the side of the flip oil tank is equipped with an axle seat, the axle seat is connected to a rotating shaft, the chassis assembly is equipped with a bearing seat, and the rotating shaft and the bearing seat are hinged through a bearing. The rotating shaft, the bearing and the bottom plate assembly are connected to provide stable support while meeting the rotation requirements.

[0006] As a preferred technical solution of the utility model, the reducer is connected to the rotating shaft, and the driving device is a crank. The tilting oil tank can be driven to rotate by shaking the crank.

[0007] As a preferred technical solution of the utility model, the in-situ metering joint is electrically connected to the instrument, and the instrument and the sensor can be calibrated by connecting the calibration equipment to the in-situ metering joint.

[0008] As a preferred technical solution of the utility model, the electrical system adopts an explosion-proof structure, and the instrument adopts an explosion-proof instrument, which can achieve an explosion-proof effect and improve the safety factor during use.

[0009] As a preferred technical solution of the present utility model, the chassis assembly is also equipped with a storage box that can be used to store tools.

[0010] As a preferred technical solution of the utility model, the pipeline accessories adopt a DIN end face sealing connection method and a 24° cone with an O-ring seal.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model can realize the driving of the fuel tank to flip with less force by arranging a crank and a reducer, thus saving manpower; an electrical system and a sensor are arranged, and parameters are detected by the sensor with higher accuracy; an in-situ metering joint is arranged on the chassis assembly, and the sensor and the instrument are metered in-situ, saving time and effort; a plurality of detection oil circuits and a plurality of detection positions are arranged on the fuel tank, and a plurality of fuel pumps can be detected at the same time, which is more efficient; the electrical system adopts an explosion-proof structure, and the instrument adopts an explosion-proof instrument, which improves safety during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0014] In the figure: 1. Chassis assembly; 2. Electrical system; 3. Flip fuel tank; 4. Pipe accessories; 5. Axle seat; 6. Bearing seat; 7. Instrument; 8. Electric control button; 9. First detection position; 10. Second detection position; 11. Reducer; 12. Crank; 13. Fuel tank limiter; 14. In-situ metering joint; 15. Storage box. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0016] like Figure 1 to Figure 2 As shown, the utility model discloses a fuel pump system tester, which adopts the technical solution of comprising a chassis assembly 1, the chassis assembly 1 is a square frame structure, the bottom surface is provided with moving wheels, the front end is a universal wheel, the rear end is a directional wheel, and in order to improve the stability during detection, the moving wheels are provided with brakes.

[0017] The chassis assembly 1 is equipped with an electrical system 2 and a flip oil tank 3. The electrical system 2 is fixedly mounted on the chassis assembly 1, and the flip oil tank 3 is axially connected to the chassis assembly 1. Specifically, four-claw axle seats 5 are mounted on both sides of the flip oil tank 3, and a rotating shaft is mounted on the axle seat 5. The chassis assembly 1 is equipped with a bearing seat 6, and there are bearings on the bearing seat 6. The rotating shaft is connected to the bearing and has an interference fit.

[0018] The flip oil tank 3 is an integrated type that combines the test pump installation position with the oil tank. The actual working state position of the test pump can be simulated by flipping the oil tank to ensure the accuracy of the measurement data. It is welded together with stainless steel plates, with beautiful appearance and reliable structure, ensuring pressure resistance without leakage. The oil cleanliness of the oil tank can be observed through the detachable transparent glass, and the oil can be replaced in time. At the same time, the glass can be removed to clean the inside of the oil tank when cleaning the oil tank. A sewage outlet is set at the bottom of the oil tank to facilitate the discharge of pollutants in the oil tank.

[0019] In order to drive the flip tank 3 to flip, Figure 2As shown, a reducer 11 is installed on the chassis assembly 1, and the output end of the reducer 11 is connected to the rotating shaft, and the input end is connected to the crank 12. A pipeline accessory 4 for fuel flow is installed on the top surface of the flip tank 3. The pipeline accessory 4 is provided with two detection pipelines, and the bottom surface has a first detection position 9 and a second detection position 10. In order to make the detection value in the detection process more accurate, a gear flow meter, a throttle valve, a Y-type filter, a pressure regulating valve, and a pressure sensor are provided on the pipeline accessory 4. The DIN end face sealing connection method is adopted between the pipeline and each pipe fitting, and a 24° cone with an O-ring seal is adopted. These two connection methods are easy to disassemble and assemble, have good performance, can withstand large vibration and impact, and have a long service life; instruments 7 and electric control buttons 8 are provided on the electrical system 2, and the instrument Table 7 includes a power supply voltmeter, a pump end voltmeter, a detection ammeter, a test pressure gauge, an experimental flow meter and a timer. The electric control button 8 also includes a start button, a pump rotation knob, a voltage adjustment knob, a stop button and an emergency stop button. The electrical system 2 has a microprocessor and a buzzer. The microprocessor is electrically connected to the gear flowmeter, the pressure regulating valve, the pressure sensor, the instrument 7, the electric control button 8 and the buzzer through a cable; the throttle valve can finely adjust the flow at the pump outlet, and can control and shut down the flow. It is equipped with a scale display and can lock the adjustment opening; the pressure sensor monitors the pump outlet pressure in real time. The flow meter has a small size, light weight, low vibration and noise during operation, a measurement range width of up to 100:1, does not require a straight pipe section, and is suitable for pulsating fluid measurement. The outlet of the pressure regulating valve is equipped with a pressure sensor to monitor the pump outlet pressure in real time. Instrument 7 uses a digital display.

[0020] In order to prevent the cable from being entangled during the flipping process of the flipping oil tank 3, a tank limiter 13 is arranged on the chassis assembly 1. The tank limiter 13 is a rod-shaped structure. An arc groove is opened on the side of the flipping oil tank 3. The arc center of the arc groove is coaxial with the rotating shaft. The tank limiter 13 is slidably connected in the arc groove. Under the action of the arc groove and the tank limiter 13, the flipping direction of the flipping oil tank 3 is limited.

[0021] In order to facilitate the calibration of the sensor and the instrument 7 , an in-situ metering connector 14 is installed on the chassis assembly 1 , and the in-situ metering connector 14 is electrically connected to the microprocessor.

[0022] In order to store the articles, tools and other materials that will be used, a storage box 15 is also provided on the chassis assembly 1, and the storage box 15 has double doors.

[0023] In order to prevent the danger of explosion, the electrical box, instrument 7, pressure sensor and other components of the electrical system 2 are all explosion-proof.

[0024] The working principle of this utility model:

[0025] Connect the two fuel pumps to be tested to the first test position 9 and the second test position 10 respectively, operate the electric control button 8 on the electrical system 2 to start the test, the staff turns the crank 12, and the speed reducer 11 decelerates and increases the torque to make the flip tank 3 flip, the tank limiter 13 slides along the arc groove, and manually adjusts the throttle valve to adjust the flow rate. The staff reads the values ​​of current, voltage and outlet pressure through the instrument 7.

[0026] When the meter 7 and the sensor need to be calibrated, the calibration equipment can be connected to the in-situ metering connector 14 to perform the metering calibration.

[0027] The circuit and mechanical connection involved in the utility model are conventional means used by those skilled in the art, and technical inspiration can be obtained through limited tests, which belong to common knowledge. The gear flowmeter used is an existing product available on the market, and those skilled in the art can obtain technical inspiration for the circuit connection between the in-situ metering connector 14 and the electrical system 2 through technical manuals, product manuals and teaching materials, which belong to the prior art.

[0028] Components not described in detail herein are prior art.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fuel pump system tester, comprising a chassis assembly (1), wherein an upper shaft of the chassis assembly (1) is connected to a tilting fuel tank (3), characterized in that: The tiltable oil tank (3) is provided with at least two groups of pipeline accessories (4) and detection positions. A reducer (11) is installed at the hinge between the tiltable oil tank (3) and the chassis assembly (1). The reducer (11) is connected to a drive device. The chassis assembly (1) is also provided with an electrical system (2). The electrical system (2) is provided with an instrument (7) and an electric control button (8). The pipeline accessories (4) are provided with a sensor. The electrical system (2) has a microprocessor. The microprocessor and the sensor, the instrument (7), and the electric control button (8) are electrically connected. A tank stopper (13) is also installed between the tiltable oil tank (3) and the chassis assembly (1). The chassis assembly (1) is provided with an in-situ metering joint (14).

2. The fuel pump system tester according to claim 1, characterized in that: An axle seat (5) is mounted on the side of the tilting oil tank (3), a rotating shaft is connected to the axle seat (5), a bearing seat (6) is mounted on the chassis assembly (1), and the rotating shaft and the bearing seat (6) are hingedly connected via a bearing.

3. The fuel pump system tester according to claim 2, characterized in that: The reducer (11) is connected to the rotating shaft; and the driving device is a crank (12).

4. The fuel pump system tester according to claim 1, characterized in that: The in-situ metering joint (14) is electrically connected to the meter (7).

5. The fuel pump system tester according to claim 1, characterized in that: The electrical system (2) adopts an explosion-proof structure, and the instrument (7) adopts an explosion-proof instrument.

6. The fuel pump system tester according to claim 1, characterized in that: The chassis assembly (1) is also provided with a storage box (15).

7. The fuel pump system tester according to claim 1, characterized in that: The pipe fittings (4) adopt a DIN end face sealing connection method and a 24° cone with an O-ring seal.

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