Blasting testing machine

1Overview

Explosion test benchBelonging to non-standard customized equipment, the equipment mainly targets hydraulic oil pipes, radiatorscondenser、pressure vesselSpecialized testing equipment for automotive, aerospace, shipbuilding, military and other related customers. The device has the characteristics of easy operation, novel interface, and convenient maintenance.

IIEquipment parameters

1customer requirements

Burst pressure:0-20MPa；

Pressure requirement: can be controlled separately;

Boosting rate:0.2-5MPa/min；

Pressure control accuracy:0.5%FS；

Pressure measurement accuracy:0.25%FS；

Test station:1Workstation (relatively independent);

Experimental waveform: Set the waveform according to customer requirements;

2Equipment conditions

Equipment name: Explosion test bench

Equipment model:ZDBP20

Equipment pressure:0-20MPa(arbitrary adjustment)

Test accuracy:0.5%FS

Boosting rate:0.2-5MPa/min(arbitrary adjustment)

Test accuracy:0.5%FS

Equipment workstation:1workstation

Overall dimensions:2200*1100*1400(Long)*wide*High)

Test box size:1000*700*700(Long)*wide*Deep)

All relevant parameters can be set arbitrarily on the industrial computer and can be modified arbitrarily during the testing process.

3The demand side provides

The purchaser needs to provide a standard power supply with a voltage range of:220V, Frequency:50Hz, with good grounding, requires grounding resistance＜1Ω.

The medium required for the experiment.

The test bench placement site requires dryness and ventilation.

4reference standard

Generally, it meets the customized standards of customers, and the supply and service of experimental equipment comply with the relevant industry regulations or safety requirements.

ISO (International Organization for Standardization)

IEC (International Electrotechnical Society)

GB (National Standard of the People's Republic of China)

Customer standard: customized for customers (electro-hydraulic servo pressure alternating test);

Scope of application: Pressure vessels and test pieces with similar working conditions;

IIIEquipment structure

1external structure

The equipment adopts an integrated design with a bottom wheel structure, which is easy to move and has the characteristics of beauty and elegance.

The equipment casing adopts1.5mmThick stainless steel plate, used for load-bearing parts50Stainless steel square tube, all welding points are welded by argon arc welding to avoid welding slag falling off and affecting the appearance. A polishing machine is used to polish all welding points and perform rust prevention treatment.

2Internal structure

All internal key components are sourced from both domestic and international sourcesTo ensure the stable operation of the equipment, all pipelines are welded to achieve horizontal and vertical alignment. The diameter of the equipment pipelines is strictly customized according to the flow requirements, and there are no pipelines that may affect the performance of the equipment. High pressure pipeline connections are made usingCType ultra-high pressure joint, low-pressure pipeline adopts flange connection, and the material of the connecting pipeline is usedSUS304Stainless steel, connector usageSUS316stainless steel,Ensure that the equipment does not rust or scale after long-term use, thereby achieving long-term stable operation of the equipment.

Internally, it is mainly composed of a medium boosting system and a pressure control system

The medium boosting system mainly includes stainless steel medium tank, gas driven boosting pump, high-pressure unloading valve, gas control system, pressure control system

The material of the experimental fixture is of high quality316Stainless steel, processed by German imported five axis machine tool machining center, surface roughness3.2, roughness of key parts1.6All dimensional tolerances are guaranteed to be within±0.02mmSo as to ensure that the experiment runs stably for a long time without any problems.

Not used in the equipment specimen box304Stainless steel plates are welded together and have the characteristics of corrosion resistance and easy removal of oil stains. In addition, stainless steel plates can still ensure good mechanical properties under high and low temperature impacts, thereby ensuring long-term stable operation of the test bench.

The lower part of the specimen box adopts a groove structure, with low groovesThere is a drainage hole at the end, and the liquid during the test can be discharged through the drainage hole. If it can be reused, a filtering device can be installed in the waste liquid pipeline to ensure that the filtered liquid can meet the requirements of reuse.

3Key components

Gas liquid booster pump: This product can boost the pressure of the main system. During the preparation stage of the test, it can be used toSMCThe gas proportional valve controls the outlet pressure of the gas-liquid booster pump, thereby discharging the air in the medium system, reducing the test back pressure, increasing the pressure rise rate, reducing pressure fluctuations at the high pressure end, and improving product performance.

The liquid output end of the gas-liquid booster pump adoptsSUS-316LStainless steel material, the medium can be water, antifreeze, hydraulic oil, aviation kerosene, silicone oil and a series of materials. The pump has the characteristics of corrosion resistance, anti-aging, high and low temperature resistance, long life, etc., especially suitable for pulse equipment that operates stably for a long time.

Equipment tooling: The tooling adoptsSUS-316LStainless steel or high manganese steel forgings are treated with blackening on the surface, and the internal equipment fluid channels are specially designed and processed to ensure that all outlet pressures are consistent, effectively discharging air from the interior of the sample and the fixture pipeline, reducing test back pressure, and improving the stability of the high-pressure curve.

The tooling joint adoptsM20*1.5The national standard joint is sealed with a copper gasket, which has the characteristics of high temperature resistance and strong pressure resistance. It is tightened with a torque wrench to a torque of120Niumi, made of brass material, is relatively soft and has good plasticity and resilience. After tightening according to torque requirements, it can achieve the characteristic of anti detachment.

Test station usage3The road tooling is independently controlled, with each road having different pressure levels and equipped with independent shut-off valves to ensure that there is no interference between any road when used independently.

The test fixture is equipped with a dedicated exhaust device, which can exhaust the air inside the sample before the test officially begins, ensuring that other factors have the least impact on the test results during the test process.

The exhaust device can be equipped with manual exhaust and automatic exhaust. Manual exhaust mainly uses a manual needle valve. When exhausting, manually unscrew the needle valve and tighten it after exhausting the air.

The automatic exhaust system is equipped with a high-pressure solenoid valve, which is controlled by the upper computer andPLCControl the attraction of the electromagnet to control the opening and closing of the exhaust valve. The automatic exhaust valve has the characteristics of remote operation, automatic control, and ensuring safety. It can also ensure that there are abnormal phenomena during the test process, and the equipment can automatically release pressure to prevent the test medium from splashing.

Media box: The equipment media box adopts304Stainless steel welding, plate thickness2mmFully enclosed structure, with a liquid inlet at the top and a drainage outlet at the bottom. The liquid inlet is equipped with a filtering device to ensure the cleanliness of the liquid added to the medium box.

The unloading valve and exhaust valve outlets of the equipment are both connected to the specimen box, and before entering the specimen box, filtering devices are added to filter impurities in the pipeline and sample.

Waste liquid tank: The equipment is equipped with a waste liquid tank. The liquid that flows into the specimen box after the test explosion enters the waste liquid tank to prevent excessive liquid in the specimen box from flowing into the outside and affecting the environment during the experiment.

There is a safety switch on the door of the specimen box. When the door of the specimen box is opened, the safety switch is turned on, and the program cannot run, and the test cannot be started. The testing equipment can only operate normally when the door of the specimen box is closed.

There are three color alarm indicator lights installed on the upper part of the box. When the equipment is running normally, the green light is on. When the equipment stops running, the red light is on. When the test box door is opened or other safety issues occur, the yellow light is on and accompanied by an alarm sound, reminding relevant personnel to handle them in a timely manner.

The electrical proportional valve adopts Japanese technologySMCHigh precision electrical proportional valve;

This electrical proportional valve has the characteristics of high pressure regulation accuracy, fast power response, and good stability, and can achieve stepless pressure regulation.

Electrical proportional method to achieve infinite control of outlet pressure.

Can achieve remote control and program control.

Compared with intermittent control, the system is simplified and the components are greatly reduced.

Compared with hydraulic proportional valves, they have smaller volume, lighter weight, compact structure, lighter weight, and lower cost, but their response speed is much slower than hydraulic systems and they are also more sensitive to load changes.

Low power consumption:4W以下（通信形式）。

Taiwan, China Advantech board and terminal board are used37The terminal interface of the pin, industrial personal computer and board card all use Advantech, Taiwan, China, China, to ensure that the control system and sensor system can be fully compatible, so as to achieve stable control and no loss of collected signals.

All signal acquisition data of the device enters the acquisition board, which has the characteristics of fast acquisition speed, minimal data loss, and stable performance.

Taiwan, China Advantech Industrial Personal Computer is used as the industrial personal computer,

Advantech industrial control computers have the ability to work continuously for long periods of time.

There is a dedicated power supply inside the chassis, which has strong anti-interference ability.

The chassis is made of steel structure, which has strong anti magnetic, anti impact, and dust-proof capabilities.

Use of chassis style4UStandard chassis for easy installation.

Advantech industrial control equipment has strong expansion capabilities and can be extended6Block Advantech Industrial Board,5aRS485Communication interface ensures that the device can meet the needs during use.

The display uses industrial grade LCD display, which has the characteristics of high temperature resistance, anti-interference, and impact resistance.

1principle

1Hydraulic principle

Electrical proportional controlThe system is easy to implementControl of pressure and time，This control method hasThe advantages of small size, light weight, good acceleration performance, fast response speed, high control accuracy, and good stability make it widely used in fields that require high-precision control. The control principle is to use deviation signals to controlGas proportional valve，The proportional valve can control the inlet pressure of the driving gas source of the gas-liquid booster pump, and the magnitude of the high-pressure outlet pressure can vary with the change of the driving gas source pressure, thereby ensuring the stability of the outlet pressure.

The equipment adopts2Level boosting（20MPa）Under different pressures, different booster pump operations can be achieved, avoiding the problem of unstable waveforms caused by a large proportion of pump driven low-pressure systems.

1Principles of Electrical Control

Including servo control system, sensing control system, electrical control system, and control software system.

Servo control system:

The control system is abovePosition machineThePLCOpposite to the control boardIndependent control mode, computer control system based on digital regulator, hybrid control system, and based onPLCThe computer switch control system. This hybrid control system combines the advantages of these three control systems and is a modern control system with high performance and reliability. Its advantages and user feedback indicate that the hybrid control system * can meet the requirementsburstThe requirement for the experiment is to operate continuously, safely, and stably for a long time.

servoburstThere is pressure in the control systemtransformThe control of three physical quantities in the environment, all three controls are usedPIDControl. In actual experimental operation, it has been proven that the pressure control has high accuracy, fast speed, good repeatability, and stable operation.

Sensing control system:

The experimental system used pressuresafety protectionLiquid levelControl, etcThere are three types of sensors and controllers.

pressure sensorCollect the test pressure at the entrance of the specimen

High pressure adopts high-resolution pressure sensors with an accuracy of±0.2% F.S.

Electrical control system: The electrical control system consists of a strong current control system and a weak current control system.

Strong current control system: Transforming the power supply,Drive pumpThe start stop,pressureofPIDControl, as well as safety protection for overload, short circuit, and other issues in the power supply system.

Weak current control system: This system consists ofPLCandAnalog boardform;

The control card is used for switch control and electrical control of the entire deviceburstOutput of analog signals;

Functions of human-machine interface:

Jogging and automatic operation functions with menu style prompts(Real time display of various waveforms)；

Dynamic display function and setting function with system loop;

Equipped with fault information prompt function during the experimental process;

eighty percentComputers used in the nuclear industry;

Data collection and processing functions：Industrial computers are used forburstCollect, analyze, and store pressure data, and describe the data as waveforms and input electrical signalsburstThe waveform is displayed. Final printed output.

1process control

1Unified overall design from pressure generator, medium box to fixture, with good stability, repeatability, low noise, good sealing, using non welded pipeline connection to prevent running, emitting, dripping, and leaking, easy to install, adjust, and maintain;

2The specially designed and developed pressurization system can meet the stability of high-pressure testing. The system adopts a fully stainless steel design, which can meet the working conditions of oil, water, antifreeze, and some corrosive liquids. The metal sealing form without sealing rings is used on the pipeline to prevent the aging of the sealing gasket after long-term testing.

3Adopting the United StatesNISpecialized control software developed by the companyLabViewIt can achieve multi-channel closed-loop control, complete fully automatic control, automatic measurement and other functions of the experimental process, and has the characteristics of good professionalism, high reliability, and easy upgrade. It can be continuously enriched with the development of testing machine measurement and control technology and changes in testing standards.

4The pressure sensor is a high-quality sensor with an accuracy of not less than ±0.25%F.SCollect the pressure of the test medium, and the pressure display accuracy is0.01MPa；

5The equipment is designed with an integrated structure, with a reasonable layout and easy maintenance;

6The experimental system is capable of self setting and programming various experimental procedures;And it can immediately display the standard pressure cycle test chart (theoretical waveform) for reference by the testing personnel;

7The pressure sensor setting option allows for range self setting; The setting of pressure range, such as0~5MPa，020barTo ensure compatibility when replacing sensors;

8The data collection system should be able to collect data at a rate of1000time/Seconds, using Advantech Industrial acquisition board, maximum acquisition rate100K/S,And can set the collection rate, such as0.1ms，10msWait;

9Adopting the United StatesNIThe company's data collection software performs real-time collection, analysis, and storage of pressure waveform data, and can also be connected to an external printer. Both graphic and text files can be printed.

10The test interface should be able to output curve graphs of standard pressure and actual pressure, as well as the set number of working cycles and the current actual number of tests. When the number of tests reaches the limit, the program will automatically stop;

IIsoftware control

software environment

The operating environment of this system software isWindows XPPlatform, adoptingVisual BasicEdit software for editing.Visual BasicProgramming is also a widely used mid-range programming language in industry. It can display various pressure signals in real time, and can draw pressure signals into curve charts to visually display the trend of pressure changes. It has * database function and data analysis ability.

Software features

1)The development of system software enables comprehensive automatic control of pressure testing monitoring and data acquisition, making it more convenient for the processing and management of pressure testing information, as well as the generation and printing of pressure testing reports.

2)Automatically collect, display, record, and analyze pressure test data;

3)Automatically print pressure test report, data can be stored in the database for a long time;

4)Database management allows for easy querying or retrieval of previous data for printing;

5)Collect test pressure online and display and store test results in curve form;

6)The software has various settings such as alarm, control, reading, curve and its color; The curve is beautiful and can be easily scaled. The pressure test data can be obtained by pointing the mouse on the curve.

IIIsafety protection

1.Media boxLow liquid level alarmreminder.

2.Leakage protection: The equipment is equipped with a high-sensitivity leakage protection module. When the leakage protection device is activated, the circuit breaker cuts off the main circuit power supply.

3.The equipment is also equipped with protection functions such as short circuit, overcurrent, phase loss, and phase sequence.

4.There is an emergency stop button on the device, which can be pressed to stop the machine in case of an emergency.

5.The equipment will automatically shut down and indicate the cause of the malfunction.

4Main spare parts list

5technical training

1Training personnel and number: Test personnel2-5People;

2Detailed training courses: corresponding test standards, equipment principles, equipment key points, equipment operation, and daily maintenance to ensure that operators have sufficient understanding and familiarity with the equipment,Capable of independently carrying out daily maintenance, upkeep, and management of equipment;

3Training method: on-site guidance and lectures by dedicated personnel;

4Training venue arrangement: client unit;

5Training equipment arrangement: equipment for contract signing;

6Training material arrangement: Provide corresponding training materials or standards;

7Training schedule: within two days after equipment installation and debugging are completed;

VITechnical Documentation

The technical information provided is as follows:

All technical data, manuals, books obtained from purchasing various hardware and software componentsCD-ROMSAnd disks, etc. Any programming device or software required for interface, device development, or transmission between instruments and devices.

PCand/orPLCThe program is accompanied by a complete sequence of operations.

Provide a maintenance manual.

Provide a list of materials, parts, and suppliers, including important information such as model, specifications, and place of origin.

Provide an operation manual.

7Quality Assurance Commitment

Our company has a complete technical after-sales service team with rich experience in after-sales guidance services. Its main function is to provide technical services and user guidance for our company's equipment. The specific instructions are as follows:

Unless otherwise specified in the pre attached table of the contract terms, we shall submit the technical documents of the supplied goods. It should include corresponding Chinese technical documents for each set of equipment and instruments, such as product catalogs, drawings, operation manuals, usage instructions, maintenance manuals, or service guides. These documents should be submitted after the contract takes effectthreeTen（30）Send to the buyer within days. Another complete set of the above information should be packaged and shipped together with each batch of goods.

Unless otherwise specified in the pre attached table of the same terms, we also provide the following services:

On site installation and start-up supervision;

Tools required for the assembly and maintenance of goods;

Both parties agree to carry out operation supervision and maintenance of the supplied goods within a certain period of time, provided that the service does not exempt us from our obligations during the quality assurance period;

Provide training to the buyer's personnel on the installation, start-up, operation, and maintenance of the goods at the project site.

All test benches (excluding external accessories) are organized and assembled by our company's production department to ensure quality control and delivery time,The "Control Cabinet Quality Tracking Card" system ensures that quality is implemented by assemblers, distributors, and inspectors, all of whom must sign and be responsible for quality.

All low-voltage electrical components used in the test bench shall be selected from domestic and foreign products, and shall be testedDuring the power on inspection, any components with substandard quality are not allowed to enter our company's component library, let alone be assembled.

All test benches undergo simulated on-site testing before leaving the factory.

8after-sales service

1.On site technical services:

The purpose of on-site service personnel is to ensure the safe and normal operation of the supplied equipment. The on-site situation of service personnel is shown in the table below:

On site personnel requirements:

Comply with laws and regulations, as well as various rules and regulations on site; Has a strong sense of responsibility and career ambition, and arrives on time; Understand the design of the bidding equipment, be familiar with its structure, have on-site work experience, and be able to provide correct on-site guidance; Maintain good physical health and adapt to the working conditions on site.

Responsibilities of on-site service personnel:
The tasks of on-site service personnel mainly include unpacking inspection of goods, handling of equipment quality issues, guiding installation and commissioning, performance acceptance testing, and participating in trial operation. Before installation and debugging, our technical service personnel provide technical briefing to the demand side, explaining and demonstrating the procedures and methods to be carried out.

On site service personnel have the full authority to handle technical issues that arise on site. If there is a quality problem on site, the on-site personnel must handle and solve it within the time specified by the demander. Our company takes full responsibility for all actions of its on-site service personnel.

2.After sales service content:

Proactively train on-site operators for users and provide relevant materials.

IFang guarantees that the supplied goods are brand new, unused, and usableProduced using the specified process and meeting the quality, specifications, and performance requirements stipulated in the contract.IThe party shall ensure that its goods have satisfactory performance during their service life under correct installation, normal use, and maintenance conditions. Twelve days after the final acceptance of the goods（12) During the one month quality assurance period,our sideResponsible for malfunctions caused by design, process, or material defects.

According to the inspection results of the local inspection bureau or relevant departments, or during the quality assurance period, if the quantity, quality, or specifications of the goods do not comply with the contract, or if it is confirmed that the goods are defective, including potential defects or the use of materials that do not meet the requirements, the buyer shall promptly notify in writingIThe party makes a claim under this guarantee.

IAfter receiving the notice, Fang 28（Defective goods or components should be repaired or replaced free of charge within 28 days.

ifIAfter receiving the notice, Fang 28（If the defect is not remedied within 28 days, the buyer may take necessary remedial measures, but the risk and cost will be borne byIThe other rights exercised by the buyer against us in accordance with the contract provisions shall not be affected.Maintenance, free software upgrades, and services beyond the warranty period will only be charged for the cost of accessories.

During the warranty period and within the warranty period, if there is a malfunction that the user cannot solve, the phone will respond immediately. If the phone response cannot solve it, our professional technical personnel will provide assistanceArrive at the site within 48 hours and repair within 24 hours. If the issue cannot be resolved within 24 hours, emergency measures or redundant services must be taken to ensure the normal operation of the equipment.

Our company will track and record the operation and maintenance of the equipment, and establish a dedicated user profile to provide timely and accurate services. At the same time, the after-sales service center personnel will regularly visit customers, actively listen to their opinions and suggestions, and ensure the long-term stable operation of the equipment.

Experienced technical service personnel will be dispatched promptly according to user requirements to the installation site to guide installation and debugging until the product is put into operation, ensuring that the product meets the technical requirements.

9Equipment manufacturing cycle

1.Delivery cycle: from the date of receiving the advance payment60Day (calendar day).

2.The first party proposes design changes, which are agreed upon by both parties, and the change in delivery time is negotiated and completed by both parties.

3.The second party shall notify the first party in writing of any changes in design, process, or materials, and shall only implement them with the consent of the first party. Otherwise, the first party has the right to refuse acceptance.