CN212748332U

CN212748332U - APU lubricating oil radiator cleaning test bench

Info

Publication number: CN212748332U
Application number: CN202020183457.1U
Authority: CN
Inventors: 赵帅达; 吕彪
Original assignee: Diliaier Shenyang Technology Co ltd
Current assignee: Diliaier Shenyang Technology Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2021-03-19
Anticipated expiration: 2030-02-19

Abstract

The utility model provides a cleaning test bench for an APU lubricating oil radiator; the APU lubricating oil radiator cleaning test platform is mainly used for cleaning a lubricating oil radiator; APU lubricating oil radiator washs testboard mainly includes: the device comprises a cleaning agent storage device, a cleaning pipeline, a circulating pump, three-level filters, an electric four-way ball valve forward and reverse rotation flushing device, an electromagnetic valve gas path pulse cleaning device, a lubricating oil radiator to be cleaned, a fixed tool of the lubricating oil radiator, a flow monitor, a PLC frequency converter control device, a temperature detection device, a control panel and a sanitary manual ball valve; the cleaning agent storage device is used for containing a cleaning agent and is connected with a water inlet and a water return port of the cleaning pipeline through a Teflon hose; a part to be cleaned (a lubricating oil radiator) is fixed on a special tool through a quick-screwing locking screw fastener and is connected with a water inlet and a water return port at the other end of the main pipeline to form a closed loop; and opening a sanitary manual ball valve on the pipeline, starting the circulating pump through the control panel, and observing the flow monitoring device.

Description

APU lubricating oil radiator cleaning test bench

Technical Field

The utility model relates to a APU lubricating oil radiator washs testboard technical field particularly, relates to an APU lubricating oil radiator washs testboard.

Background

At present, in the related art, the existing cleaning test bench for the lubricating oil radiator of the APU has short service life because the pipeline material and the cleaning agent can generate certain chemical reaction, and meanwhile, the control part cannot meet the requirement of cleaning work under different flow rates because of no frequency modulation function, and also does not have the function of pulse cleaning, so that the equipment maintenance cost is high, the sectional disassembly is inconvenient, the maintenance is very troublesome, the flushing efficiency is low because of no forward and reverse flushing function, the control part has no specific parameter display, and the real-time data cannot be completely mastered.

Disclosure of Invention

The present invention aims at least solving one of the technical problems existing in the prior art or the related art. In view of this, the utility model provides a APU lubricating oil radiator washs testboard to satisfy the cleaning work of the APU lubricating oil radiator of a plurality of models. In order to achieve the above purpose, the utility model provides a following technical scheme: the equipment mainly comprises three parts: UUT connecting portion, equipment main part and washing liquid storage pot part. The connecting part of equipment adopts the form of removable conversion head to connect, and the conversion head adopts unified connected mode with equipment connecting part, makes things convenient for the UUT of different numbers to use. The connecting pipeline material uses PTFE material pipeline flexible coupling, can also guarantee pressure and flow when can prevent to be corroded by the washing liquid, guarantees the softness degree person of facilitating the use connecting pipeline. This equipment washes the function and provides forward and reverse washing, and the conversion washes the mode and uses electronic four-way ball valve conversion to wash the direction. The electric four-way ball valve has the advantages that the electric four-way ball valve can bear pressure reversely, is convenient to use through electric control, can simplify the equipment structure by changing the flushing direction of single equipment, and can reduce the equipment failure rate and the later maintenance is simple. The grade of the detected impurities is 10 mu m, and a user can use a microscope or naked eyes to observe the condition of the impurities attached to the filter screen so as to judge the condition of the impurities contained in the cleaning solution and further judge whether the UUT is qualified after being cleaned. Except that sealing element and soft connecting line are non-stainless steel material in the UUT connecting portion, other materials are SS304 or SS316 material, and equipment is overall ground connection, prevents to release static in the working process.

The main part of the equipment is the main part of the equipment, wherein the main part comprises filters in different grades, a main cleaning liquid circulating pump, a pulse input control valve and a manual switch valve, and the equipment comprises a sensor, a temperature sensor, a pressure sensor and a flowmeter. The filter is a three-stage filter, the first-stage filter is positioned at the front end of the main circulating pump and is provided with a filter with the filtering grade of 60 meshes, and the main using purpose is to protect the main circulating pump so that the cleaning liquid is primarily filtered. The second-stage filter is positioned at the front end of the UUT and is mainly used for filtering the cleaning liquid before the cleaning liquid enters the UUT, so that the cleaning liquid entering the UUT is free of impurities, and the filtering grade is 5 mu m. The third filter is positioned at the outlet end of the UUT, the cleaning solution flows into the third filter after cleaning the filter, the filtration grade is 10 μm, the impurities contained in the cleaning solution are more after the cleaning solution cleans the UUT, the cleaning solution is mainly filtered by the filter, and the filter is required to be cleaned and maintained regularly. During initial cleaning, the lower liquid discharge valve can be selectively opened to discharge the cleaning liquid with excessive initial impurities. The manual control valves of the part are positioned at all the connecting positions, and the main pipeline can be turned off and on in the maintenance process of the equipment. The part needs to use various sensing sensors to return the pressure in the pipeline, the temperature of the cleaning liquid and the flow of the cleaning liquid at any time. The main control part can realize the cleaning function and the protection of the UUT conveniently.

The cleaning liquid storage tank provides cleaning liquid for the main circulating pump, and the volume of the tank body can be used for washing equipment at a large flow rate. Wherein, a temperature sensor is arranged in the liquid storage tank to monitor the temperature of the cleaning liquid and prevent the temperature from being too high. The tank bottom is provided with a cleaning liquid outlet for discharging the cleaning liquid with excessive impurities. The upper liquid part of the cleaning liquid adopts a pressure output mode, and the use is convenient.

The master control of the equipment is controlled by a PLC, and the PLC and the frequency converter use RS485 to communicate and control the work of the pump. The input part comprises the selection of a washing mode, the flow regulation and the washing direction selection, and also comprises the acquisition of analog quantity, wherein the analog quantity comprises a flow control signal, a pipeline internal flow signal, a cleaning liquid temperature signal, a pump working temperature signal, a pressure signal and a pressure difference signal at two ends of a filter. The output part comprises a panel indicator light and a control of the electric four-way ball valve. The whole equipment operation is controlled by a panel and comprises a button, an indicator light and a control knob. The power supply part is divided into three buttons, and the emergency stop button is used in emergency and cuts off all power supplies of the equipment. The power-on and power-off button is used for switching on and switching off the equipment power supply, the power supply is switched on through the contactor, the equipment cannot be automatically started when the equipment is powered off accidentally and is powered on secondarily, the equipment needs to be restarted, and the safety of operators and UUT is protected. The equipment state indicator lamp comprises a normal working and abnormal condition alarm indicator lamp. The selection of the flushing mode and the flushing direction is set as the knob to switch different states, so that the operation of a user is facilitated. Different working states are indicated by different indicating lamps, different working states are displayed, and the fault rate is low due to the stability in long-term working. The flow of the control equipment is controlled by a knob, a plurality of circles of knobs can be adjusted to facilitate accurate control, and a user can display and see the flow state at the moment through a nixie tube. The working mode of the equipment can be set to be an automatic cleaning mode, and forward and backward washing can be carried out for a certain time according to the setting.

The PLC sets parameters of temperature, pressure and pressure difference before leaving the factory, and when the equipment works beyond a normal set range, the equipment displays abnormity or stops working. The abnormal state includes conditions:

(1) the pressure in the pipeline exceeds 90 PSI.

(2) The temperature of the liquid in the tank exceeds 45 ℃.

(3) The 10 μm filter pressure differential is too great, greater than 30 PSI.

(4) The working temperature of the motor of the main circulating pump exceeds 70 ℃.

The structural technical parameters are as follows:

apparent size (excluding reservoir): 1500mm 700mm 1300 mm.

Volume of the liquid storage tank: 65L.

UUT workstation: 1000mm 700mm 850 mm.

The material is as follows: the whole device is SS304 or SS316 (superior to SS 304) stainless steel, the soft connecting part is PTFE and other corrosion-resistant materials (the part which is fully contacted with the cleaning solution is ensured not to be corroded by the ARDROX 5503 cleaning solution).

Electrical technical parameters:

the working voltage of the equipment is as follows: 380V 50Hz three-phase power and 220V 50Hz commercial power.

Total power of the equipment: 4.5 KW.

Working temperature: the normal working temperature of the main circulating pump is below 70 ℃.

The technical parameters of the working state are as follows:

a cleaning liquid filling mode: and (4) carrying out pneumatic automatic loading.

And (3) post-cleaning liquid treatment mode: directly discharging or recycling and filtering for secondary utilization.

Flow range: 4-26.5 gal/min.

Pressure range: 25-55 PSI.

A washing mode: continuous adjustable flow flushing and pulsed adjustable flow flushing.

The flushing direction: the flushing direction of the input UUT cleaning fluid can be changed.

A flushing mode: automatic flushing and manually adjusted flushing.

And (3) washing and checking: and (4) checking the washing effect through a cover plate type filter screen impurity checking mode.

Safety protection: and alarming and stopping the machine under overpressure and high temperature.

Abnormal secondary start protection: and when the power is abnormally cut off, the equipment cannot be automatically started for the second time and must be manually started.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which: fig. 1 shows a schematic view of a UUT (lubricating oil radiator to be cleaned) and a fixture according to the present invention; wherein, the corresponding relationship between the reference numbers and the component names in fig. 1 is: 1UUT (lubricating oil radiator to be cleaned), 6 water inlet end flange form Teflon connecting hoses, 11 water outlet end flange form Teflon connecting hoses. FIG. 2 shows a schematic diagram of a cleaning agent storage device according to the present invention; wherein, the correspondence between the reference numbers and the names of the components in fig. 2 is: 2 barreled cleaning agent, 7 external air sources, 12 cleaning agent water tanks, 17 return water end flange type Teflon flexible connecting pipes, 22 outlet water end flange type Teflon flexible connecting pipes and 27 waste liquid discharge hand valves. Fig. 3 shows a schematic structural diagram of a main body of the cleaning and testing table according to the present invention; wherein, the correspondence between the reference numbers and the names of the components in fig. 3 is: 5 end control hand valve intakes, 15 first grade filters, 19 circulating pumps intake end control hand valve, 26 circulating water pump, 33 circulating pumps play water end control hand valve, 40 flowmeters, 47 second grade filters, 54 pressure sensor, 61 pulse solenoid valves, 68 waste liquid drainage hand valves, 75 waste liquid buckets, 110 tertiary filter, 103 return water end control hand valve of intaking, 82 electronic four-way ball valves, 89UUT (treat and wash the radiator) end control hand valve of intaking, 96UUT (treat and wash the radiator) return water end control hand valve. Fig. 4 shows a schematic view of a control panel structure according to the present invention; wherein, the correspondence between the reference numbers and the names of the components in fig. 4 is: 25 start button, 29 stop button, 33 forward wash button, 37 reverse wash button, 41 flow control handwheel, 45 pulse wash button.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below. In the embodiment of the present invention, as shown in fig. 1: 1UUT (lubricating oil radiator to be cleaned) and 6 water inlet end flange type Teflon connecting hoses and 11 water outlet end flange type Teflon connecting hoses are connected together through flanges respectively to form a closed pipeline. As shown in fig. 2: 2 barreled cleaner is connected because airtight barrel internal pressure rises through being connected with 7 outside air supplies, cleaner liquid from the intrabarrel 12 cleaner basins of pouring into, the function of automatic liquid of going up of 12 cleaner basins has been realized, 22 water outlet flange type teflon flexible coupling pipe and the continuous cleaner liquid of 12 cleaner basins get into the equipment main part from this, close all the other all hand valves when the cleaner in 12 cleaner basins need to be changed and open the waste liquid in 27 rows of waste liquid hand valves discharge 12 cleaner basins, 17 water return end flange type teflon flexible coupling pipe is connected with the equipment return water mouth and is collected the cleaner after the washing and get back to 12 cleaner basins. As shown in fig. 3: opening 5 water inlet end control hand valves, opening 19 circulating pump water inlet end control hand valves, opening 33 circulating pump water outlet end control hand valves, closing 68 waste liquid drainage hand valves, opening 103 water return end water inlet control hand valves, opening 89UUT (to be cleaned radiator) water inlet end control hand valves, and opening 96UUT (to be cleaned radiator) water return end control hand valves. After the above operations are completed, as shown in fig. 4: a user manually operates a control panel, a 25-pressing start button device is integrally electrified, a 26-cycle water pump starts to work after a 41-flow regulating hand wheel is clockwise rotated, cleaning agent liquid firstly enters a 15-stage filter from a 12-cleaning-agent water tank, the 41-flow regulating hand wheel is accurately regulated by observing the reading of a 40-flowmeter to obtain the liquid flow to be achieved, the cleaning agent passes through a 47-stage filter and then an observation 54-pressure sensor to monitor the pressure of liquid in a pipeline in real time, a 33-pressing forward cleaning button 82 is electrically operated, a four-way ball valve starts to work, an internal L-shaped structure rotates to a forward pipeline cleaning direction, the cleaning agent liquid flows through a 6-water-inlet-end flange-shaped Teflon connecting hose and a 1UUT (lubricating oil radiator to be cleaned) and flows into a 110-stage filter through a 11-water-outlet-end flange-shaped Teflon connecting hose and returns to the, thus, one-time forward washing is completed, the 37-time reverse washing button 82 is pressed down, the L-shaped structure in the electric four-way ball valve is started to work, the L-shaped structure rotates to the reverse pipeline washing direction, the liquid of the cleaning agent flows through the 11-water-outlet flange-shaped Teflon connecting hose and the 1UUT (to-be-cleaned lubricating oil radiator) and flows into the 110-stage filter through the 6-water-inlet flange-shaped Teflon connecting hose, and the hand valve is controlled to return to the 12-stage cleaning agent water tank through the 103-water-return end water inlet, so that the reverse washing function is realized. The 45-pulse cleaning button is pressed, the 61-pulse electromagnetic valve starts to work, and the liquid in the pipeline is enabled to flush 1UUT (lubricating oil radiator to be cleaned) in a pulse mode by controlling a frequency switch for inputting an external air source. If the equipment is to be stopped, the flow regulating handwheel 41 on the control panel needs to be rotated anticlockwise so as to stop the 26-cycle water pump, at the moment, the test equipment is powered off by pressing a stop button 29 on the control panel, and then the method comprises the following steps: 5, closing a water inlet end control hand valve of a 19 circulating pump, closing a water outlet end control hand valve of a 33 circulating pump, closing a water return end water inlet control hand valve of 103, closing a water inlet end control hand valve of 89UUT (radiator to be cleaned), closing a water inlet end control hand valve of 96UUT (radiator to be cleaned) and closing a water return end control hand valve. If the cleaning liquid in the pipeline needs to be discharged or the pipeline equipment needs to be maintained or repaired, the cleaning liquid needs to be discharged without powering on the equipment, and the method comprises the following steps: 5, closing a water inlet end control hand valve of a 19 circulating pump, closing a water outlet end control hand valve of a 33 circulating pump, closing a water return end water inlet control hand valve of 103, closing a water inlet end control hand valve of 89UUT (radiator to be cleaned), closing a water inlet end control hand valve of 96UUT (radiator to be cleaned) and closing a water return end control hand valve. After all the operations are finished, the 68 waste liquid drainage hand valve is opened, and the waste liquid is discharged into the 75 waste liquid barrel for uniform recovery and treatment.

Claims

1. The utility model provides a APU lubricating oil radiator washs testboard, treats to wash lubricating oil radiator and fixing device, cleaner storage device including washing testboard main part, UUT, washing testboard main part one end for the infusion side other end for going out liquid washing side, its characterized in that: still include filter equipment, washing liquid circulating pump, pulse input control valve and manual control valve, temperature sensor, pressure sensor, flowmeter, PLC controlling means of different ranks, UUT wait to wash the special fluorine dragon hose of lubricating oil radiator and flange form for fixing device and wash that testboard main part goes out the liquid and wash the side and link to each other, the special fluorine dragon hose of flange form for cleaner storage device and the infusion side connection of wasing the testboard main part, still including turning over board-like liquid level display sensor, cleaner temperature sensor.

2. The APU oil radiator cleaning test stand of claim 1, wherein: the filter equipment include primary filter, secondary filter, tertiary filter, primary filter be located washing liquid circulating pump front end, the filtration rank be 60 meshes, the protection washing liquid circulating pump, make the washing liquid obtain primary filter, secondary filter be located UUT wait to wash lubricating oil radiator and fixing device's front end, mainly used washing liquid is before getting into the filtration of washing liquid, keeps the interior no impurity of washing liquid, the filtration rank is 5 mu m, tertiary filter be located UUT wait to wash lubricating oil radiator and fixing device and go out the end, the filtration rank is 10 mu m.

3. The APU oil radiator cleaning test stand of claim 1, wherein: the cleaning solution circulating pump and the cleaning test bench main body are of an integrated structure.

4. The APU oil radiator cleaning test stand of claim 2, wherein: the pulse input control valve and the manual control valve comprise electromagnetic valves, air source inputs and sanitary manual ball valves, the electromagnetic valves are connected with external air source inputs to control the switches at a certain frequency, the air source inputs are connected with the electromagnetic valves through hoses, and the sanitary manual ball valves are used for controlling the switching-off.

5. The APU oil radiator cleaning test stand of claim 2, wherein: the temperature sensor and the cleaning and testing table main body are of an integrated structure and are used for monitoring the temperature in the pipeline.

6. The APU oil radiator cleaning test stand of claim 2, wherein: the pressure sensor and the cleaning and testing table main body are of an integrated structure and are used for monitoring the liquid pressure in the pipeline.

7. The APU oil radiator cleaning test stand of claim 3, wherein: the flowmeter and the cleaning test bench main body are of an integrated structure, and the flow of liquid in a pipeline is monitored.

8. The APU oil radiator cleaning test stand of claim 6, wherein: the PLC control device and the cleaning test bench main body are of an integrated structure.

9. The APU oil radiator cleaning test stand of claim 7, wherein: the panel turnover type liquid level display sensor and the cleaning agent storage device are of an integrated structure and are used for monitoring the liquid level of the cleaning agent.

10. The APU oil radiator cleaning test stand of claim 7, wherein: the cleaning agent temperature sensor and the cleaning agent storage device are of an integrated structure, and the temperature of liquid in the cleaning agent storage device is monitored.