YT series hydraulic tank jacks is a set of large-scale equipment specially developed by our company for the national crude oil reserve project, which is suitable for the inversion welding engineering of giant steel cylinder tank.
This type of equipment is single-acting two-stage hydraulic cylinder (hydraulic jack), used for vertical take-off and landing work, return need external force or self-weight back, can’t be used for horizontal work.The equipment has strict and compact structure, safe and stable, easy operation, adjustable load, quick installation and high synchronization accuracy.
●The oil box
●The hydraulic system
●The hydraulic cylinder
The oil tank is a closed type box with hydraulic oil to provide oil source for the equipment.
1.Liquid level meter shows the oil level and liquid temperature in the box.
2.The air filter has the function of protecting and purifying the gas of hydraulic oil.
3.The lifting lug is used for equipment lifting.
Hydraulic system is the power source of the whole hydraulic lifting equipment, first with the motor todrive the piston pump, and then the mechanical energy of the pump into pressure energy, through the pressure valve (relief valve), direction valve (solenoid valve), sent to the actuator (hydraulic cylinder), and finally converted into mechanical energy to drive the load.
1.Protective cover can be disassembled, it mainly protect all parts under the protective cover .
2.Electromagnetic directional valve through the electromagnet with electricity and no electricity to complete the lifting action of the hydraulic cylinder.
3.The relief valve can control the pressure of the system to maintain constant by adjusting the handle of the relief valve, and realize the function of regulating, stabilizing or limiting the pressure.The set of equipment relief valve setting range (0-31.5mpa).
4.Pressure gauge shows the system pressure value.
5.The high-pressure ball valve makes the hydraulic oil flow or cut-off in the system. The valve mainly plays a safety protection role in this set of equipment.. It prevents the internal leakage of the hydraulic valve from affecting the operation of the hydraulic cylinder's descending equipment. Hydraulic fluid flow or cut-off is controlled by rotating high pressure ball valve handle.
1.Hydraulic cylinder is the actuator, rated output force is 250kN.
2.The hydraulic cylinder roof device is the force fulcrum of the piston rod end of the hydraulic Cylinder. In the process of lifting the tank, to prevent the damage of the hydraulic cylinder caused by the bending of the piston rod, or even failure and safety accidents.
3.Adjust the jacking bolt to adjust the gap between the hydraulic cylinder bracket and the tank wall, and tighten the bracket in the process of lifting the tank.
4.The hydraulic cylinder support regulating rod can mainly meet the requirements of resistance to class 5 wind load and tank partial load during the tank lifting process. It can also assist in adjusting the gap between hydraulic cylinder bracket and tank wall when rising circle falls back.
5.The equipment adopts PLC equalization system with automatic and manual modes.And the man-machine control interface is set on the control cabinet.The displacement sensor transmits signals to adjust the equipment at the same height
6.The working principle of the displacement sensor: because the wire rope is wound on a pulley built into the sensor, and the other end of the sensor has been connected to the mechanical movement, which is equipped with a display, so when the wire rope is pulled, the mechanical movement can be converted into electrical signals, so as to get the required data.
7.Unidirectional explosion-proof valve is a safety valve that allows the hydraulic cylinder to self-lock.In the process of being lifted or in the process of hanging the tank, the tank will not slide or fall because of the sudden explosion of the high-pressure hose, blurting, sudden power failure, etc.
WINCOO Engineering Co., Ltd (WINCOO) is engaged in bringing the most suitable solutions/equipment for client, fabricators, EPC/C companies on pipe fabrication,tank construction, pipeline construction ,industrial production lines, clean energy project and other industrial field.
Products are widely used in aviation, aerospace, electric power, metallurgy,nuclear power, ships, automobiles, construction machinery, lifting and transportation machinery, machine tools, plastics, chemical industry, paper making,packaging, printing, rubber, textile, printing and dyeing, cement, medicine, food, oil,mining, fire, construction, military and other fields;And for the major design institute(such as: iron and steel design institute, electric power design institute, chemical design institute, etc.) to provide quality technical support and service.
Pipeline construction equipment plays a very important role in the development and exploration of oil and gas resources. To ensure the production safety of oilfield enterprises, it is necessary to improve the quality of surface pipeline construction equipment installation and gathering pipeline construction. Next, it mainly elaborates the relevant installation points of pipeline construction equipment, analyzes and introduces the construction technology of pipeline construction equipment, and lays a solid foundation for the development of oilfield surface construction.
Here is the content list:
l Regarding the necessity of installing pipeline construction equipment.
l About the procurement and acceptance of pipeline construction equipment.
l What are the main points of pipeline construction equipment installation?
Ground construction is an important link in the pipeline development and exploration process and a key means to ensure the production safety of pipeline engineering, especially the installation of pipeline construction equipment and gathering pipeline construction technology, which plays an important role.
Production safety is closely related to the installation quality of pipeline construction equipment. At the same time, the transportation of resources has a direct impact on the construction technology of gathering pipelines. Therefore, only the continuous improvement of pipeline construction equipment installation and gathering pipeline construction technology can promote the development of resources and sustainable development.
With the continuous development and progress of my country's science and technology, my country's demand for oil and gas resources has become greater and greater. In order to promote the development of my country's economic construction and meet people's normal lives, it is necessary to strengthen management of the construction of pipeline construction equipment.
Through our analysis, it is found that the quality of products and product life of a company is closely related to the installation quality of pipeline construction equipment. Therefore, during the installation of pipeline construction equipment, the quality of pipeline construction equipment must be checked, especially the key to the equipment. Comprehensive corrosion control.
In the process of purchasing technical parts, the model, quantity, type, specifications, etc. must be carefully checked, and must comply with relevant national and corporate standards. When purchasing, try to directly sign contracts with purchasing companies to control procurement costs and ensure product quality.
Therefore, the pipeline construction equipment must meet the actual construction requirements when purchasing, and the quality of the pipeline construction equipment must be strictly controlled and accepted after entering the site. Only after all the inspections are qualified, the pipeline construction equipment can be installed on the site to ensure Safe use of equipment during construction!
During the installation of pipeline construction equipment, professional installers must perform operations. Installers must first inspect the installation site, work out a scientific and reasonable construction plan, and choose the correct installation method.
Measured according to the positioning axis of pipeline construction equipment. At present, there are two equipment installation methods that are often used in ground construction. One is to directly install on an existing building; the other is to conduct strict and precise measurement on the location of the equipment.
Check the balance error, vertical error, dimensional error, and axis error of key components in pipeline construction equipment one by one. At the same time, if you want to closely link the ground construction equipment with the construction base, you must strictly control the grouting quality of the grouting layer, and further strengthen the strength of the grouting layer. After the installation of the pipeline construction equipmentt, the safety of use must be carried out. Detect and avoid equipment failure during use, causing safety accidents, and bringing huge economic losses to the enterprise.
Tank welding machine is the process of joining metal parts using various fusible alloys. The melting point of the solder is lower than that of the material to be soldered, so that the part will end the soldering through inter molecular contact on its surface without being melted.
Here is the content list:
l What is the working principle of tank welding machines?
l What is the purpose of using tank welding machines?
l What are the application significance of tank welding machines?
What is the working principle of tank welding machines?
Tank welding machines can be divided into soft welding and hard welding. The temperature of soft welding is lower than 450℃, and the temperature of hard welding is higher than 450℃. Hard welding is usually used for metals such as silver, gold, steel, copper, and its welding point is much stronger than soft welding, and its shear strength is 20 to 30 times that of soft welding. The above two types of thermal connections usually use the term soldering, because in both cases molten solder is written into two elongated gaps between the clean and close solid metal surfaces of the device.
Tank welding machines ensure the continuity of the metal. On the one hand, two metals are connected by bolts or physical attachments to each other, showing a strong metal whole, but this connection is not continuous. Sometimes if there is an oxide insulating film on the metal surface, they may even Right or wrong physical contact.Another disadvantage of mechanical connection compared with welding is that the contact surface continues to oxidize, resulting in an increase in resistance. In addition, vibrations and other mechanical shocks can also loosen the joint. Welding eliminates these problems. The tank welding machines do not move relative to each other, the contact surface will not be oxidized, and the continuous conduction method can be maintained.
What is the purpose of using tank welding machines?
Tank welding machines welding is a process of fusion between two metals, mainly for the purpose of dissolving some of the metal in contact with the solder in the molten state, and the surface of the metal being welded often has a thin oxide film that cannot be dissolved by the solder. The flux is used to remove this oxide film. The tank welding machines welding process usually includes:
l 1) Melting of the flux to remove the oxide film on the surface of the welded metal;
l 2) Melting the solder makes the impure substances and lighter flux suspended in it float to the surface;
l 3) Some dissolve some metal connected with solder;
l 4) Cool and end the melting of metal and solder.
Through temperature changes, humidity, vibration, etc., even a bad solder joint can cause some or all of the system to lose control. There are countless welding points in the equipment, and the reliability of these welding points should even be higher than the equipment itself.
For the purpose of using tank welding machines, research in this area has led to the addition of knowledge of materials and their properties, and many developments have been made in the possible welding processes. Welding technology is an accompanying technology.
With the development of the electronics industry, more useful packaging technologies and smaller components will certainly continue to emerge. Welding technology will also continue to be developed to meet the needs of the electronics industry and environmental issues. This is why welding is becoming more and more professional for technology professors who work in the electronics industry today!
What are the application significance of tank welding machines?
The auxiliary equipment of the tank welding machines includes gas welding glasses to prevent the operator from being damaged by the ultraviolet, infrared or other rays generated by the welding arc or other welding energy, the mask to protect the eyes, face and neck of the welder during arc welding, white work clothes, welder gloves and protective guards.
l Energy efficient.
The energy saving of the electric welding machine is embodied in two aspects: energy saving at no load and energy saving at load. According to relevant statistics, in 2008, the demand for tank welding machines in the domestic welding industry was 890,000 units. If all electric welding machines are used, it can directly save 43,000 tons of copper, 64,000 tons of steel, and save 680 million KW.H of electricity. It saved 566,500 tons of coal, 10.34 million tons of water, and reduced 1,144,500 tons of CO2 emissions. It can be seen that vigorously promoting tank welding machines has huge economic and social benefits.
l Stable performance
Since the working frequency of the tank welding machines is above 20KHZ, it has a faster response speed, and the droplet transfer can be subdivided into multiple stages for control. For CO2 gas shielded welding, spatter can be greatly reduced. For pulsed melting pole MIG/MAG welding, the stability of jet transition can be effectively controlled, and the droplet transition and the movement of the wire feeding mechanism can be combined to further control the melting. During the dripping transition process, a good weld formation is obtained and the welding performance is stable. These are things that traditional rectifier welding machines cannot do.
l Centralized control
The tank welding machines uses a large number of digital controllers such as single-chip microcomputer, DSP, FPGA, etc., and realizes the network communication between multiple welding machines or the upper computer and the welding machine through Ethernet and field bus. It not only solves the problem of coordinated operation of multiple welding machines, and facilitates centralized control in the welding process, but also realizes the setting or monitoring of remote welding machine parameters, making remote fault diagnosis and maintenance of tank welding machines possible.
At the production site of the tank hydraulic jacking system, due to the constraints of the production plan and technical conditions, the fault diagnosis personnel are required to accurately diagnose the faults of the hydraulic equipment, and the maintenance personnel are required to use the existing information and the technical conditions of the site. Minimize the workload of disassembly and assembly, save maintenance man-hours and costs, accurately find out the fault location and the cause of the failure and repair it, so that the tank hydraulic jacking system can resume normal operation.
Here is the content list:
l General principles of tank hydraulic jacking system fault diagnosis.
l The specific method of tank hydraulic jacking system fault diagnosis.
l To summarize the fault diagnosis of tank hydraulic jacking system.
General principles of tank hydraulic jacking system fault diagnosis.
Correct analysis of tank hydraulic jacking system failures is the prerequisite for troubleshooting. Most tank hydraulic jacking system failures do not occur suddenly. There are always signs before they occur. When the signs develop to a certain extent, the failure will occur.
The reasons for the failure of the tank hydraulic jacking system are various and there is no fixed pattern to be found. Statistics show that about 90% of tank hydraulic jacking system failures are caused by poor management. In order to diagnose failures quickly, accurately and conveniently, it is necessary to fully understand the characteristics and laws of tank hydraulic jacking system failures, which is the basis of fault diagnosis.
The following principles are worth following in the fault diagnosis of tank hydraulic jacking system:
① First, determine whether the working conditions and peripheral environment of the tank hydraulic jacking system are normal, and check whether the various conditions of the tank hydraulic jacking system meet the requirements of normal operation.
② Area judgment Determine the area related to the fault based on the tank hydraulic jacking system fault phenomenon and characteristics, and gradually reduce the scope of the fault.
③ Master the types of tank hydraulic jacking system faults and conduct a comprehensive analysis. According to the final phenomenon of the fault, gradually find out a variety of direct or indirect possible causes.
④ When verifying possible causes of failure, generally start from the most likely cause of failure or the most easily inspected place, which can reduce the workload of assembly and disassembly and increase the speed of diagnosis.
⑤ Establish a fault analysis table for the equipment operation tank hydraulic jacking system, which is a high-level summary of the use experience and helps to quickly make a judgment on the fault phenomenon.
The specific method of tank hydraulic jacking system fault diagnosis.
l The traditional method of finding hydraulic system faults daily is logical analysis and gradually approaching fault.
When the hydraulic system fails, there are many possible causes of the failure. Using the logic algebra method, list the possible failure causes, and then make logical judgments one by one according to the principle of easy first and then difficult, approach item by item, and finally find out the cause of the failure and the specific conditions that caused the failure.
l Fault diagnosis system based on parameter measurement
The idea of diagnosing faults by parameter measurement method is based on the fact that when any tank hydraulic jacking system is working normally, the system parameters are working near the design and set values. If these parameters deviate from the preset value during work, the system will malfunction or may malfunction.
That is, the essence of the failure of the tank hydraulic jacking system is the abnormal change of the system working parameters. During the measurement, there is no need to stop the machine or damage the hydraulic system. Almost any part of the system can be tested. Not only can the existing faults be diagnosed, but also online monitoring and potential faults can be predicted.
To summarize the fault diagnosis of tank hydraulic jacking system.
Apply the traditional logical analysis stepwise approximation method. It is necessary to analyze, judge and inspect all the above possible causes one by one, and finally find out the cause of the failure and the specific component that caused the failure. The diagnosis process of this method is cumbersome and requires a lot of assembly and disassembly, verification work, low efficiency, long construction period, and can only be qualitative analysis, the diagnosis is not accurate enough.
Application of fault diagnosis tank hydraulic jacking system based on parameter measurement. When piping the tank hydraulic jacking system, set a double ball valve and three ports at the outlet a of the pump, the front b of the reversing valve, and the inlet c of the cylinder, and the fault diagnosis detection circuit can be used to limit the system fault within a few seconds. In a certain area, the fault is diagnosed based on the measured parameter value.
Through the detection, the final cause of the failure is the serious internal leakage of the vane pump. After disassembling the pump, it was discovered that the vane pump stator caused abnormal wear due to poor lubrication, which caused internal leakage to increase and the tank hydraulic jacking system pressure did not increase. It was further discovered that the water in the water cooling tank hydraulic jacking system leaked into the oil, causing the oil to emulsify and lose its lubrication effect.