Article catalogue:
- 1 、What if the cement stevedores wash their hands and feet or turn white?
- 2 、What tools are specially used to destroy the cement floor?
- 3 、What is the function of handling machinery?
- 4 、What are the cement machinery and equipment? Which domestic cement machinery and equipment company is good?
- 5 、Ask for the types of moving robots and their functions. Thank you.
What if the cement stevedores wash their hands and feet or turn white?
This is normal. We all know that when we were young, when we built a house, live cement and white ash would give off heat, which was to dissipate heat in the presence of water. The same long-term contact with cement hands will turn white that is heat-dissipating and burning, just wash it with water, it will be fine in a few days, it doesn’t matter. It is recommended to wear gloves when moving cement and do not touch the skin directly. It will be better that way.
What tools are specially used to destroy the cement floor?
Electric picks can be used to destroy the cement floor.
Electric pick (electric breaker) is a double insulated hand-held power tool powered by single-phase series motor. It has the characteristics of safety and reliability, high efficiency and convenient operation. It is suitable for pickaxe or other appropriate accessories, such as chisel, shovel and so on to crush concrete, masonry structure and asphalt pavement.
Features: sliding clamp rod design, lock more firmly, load and unload pick rod more quickly. The soft rubber-wrapped deputy handle effectively reduces vibration and cooperates with 360 °rotation function to make the operation more convenient and comfortable.
Extended data
Security considerations:
Please wear a hard hat (helmet), safety glasses and protective mask. It is also recommended to wear dust masks, ear protectors and thick padded gloves.
2. Make sure that the chisel is fastened in the specified position before operation.
3. In general operation, this tool works by vibration. As a result, the screw is easy to loose, which leads to breaking or accident. Therefore, you must carefully check whether the screws are fastened before operation.
4. In cold seasons or when the tool is not in use for a long time, it should be allowed to run without load for a few minutes to heat the tool.
5. You must be sure to stand in a strong place. When using tools in high places, you must make sure that there is no one below, etc.
Reference source: Baidu encyclopedia-electric pick
What is the function of handling machinery?
Loading and unloading machinery refers to the machinery used to move, lift, load and unload and transport materials or goods over a short distance. First, the classification of handling machinery according to the main uses or structural characteristics of machinery: loading and unloading handling machinery can be divided into lifting machinery, continuous transport equipment, loading and unloading handling vehicles and special handling machinery.
(1) lifting appliances are used to lift or lower goods vertically or to move goods horizontally to meet the operational requirements of loading, unloading and reloading of goods. (2) continuous transport machinery, also known as continuous transport machinery, is a machine that uniformly transports goods and goods along a certain line from the loading point to the unloading point in a continuous manner.
(3) loading and unloading vehicles loading and unloading vehicles refer to all kinds of vehicles that rely on their own operation and the functions of the loading and unloading mechanism to realize the horizontal handling of goods and short-distance transportation and loading and unloading. Loading and unloading vehicles have good mobility and strong practicability, and are widely used in warehouses, ports, stations, cargo yards, workshops, warehouses, carriages and containers.
Second, the main loading and unloading handling machinery (1) lifting appliances are reprinting machines that rely on manpower or power to make materials move up and down, left and right, front and back, intermittently and periodically. Mainly used for lifting, transportation, loading and unloading, machine installation and other operations.
(2) loading and unloading vehicles loading and unloading vehicles rely on the operation of the machinery itself and the functions of the loading and unloading mechanism to realize the horizontal handling and loading and unloading of materials and palletizing (a small number of vehicles have no loading and unloading function).
(3) continuous conveying machinery continuous conveying machinery is a kind of machinery that can transport materials on a certain transmission line at a constant or changing speed from the starting point of loading to the end point of unloading to form continuous or pulsating logistics.
(4) bulk loading and unloading machinery this is a combined machine with two functions of loading and unloading and transportation. Mainly to load and unload bulk goods-based machinery.
3. AGV (Automated Guided Vehicle) refers to the transport trolley with electromagnetic or optical guidance device, which can walk according to the predetermined guidance line, with trolley operation and parking device, safety protection device and various transplanting functions.
(1) the classification of automatic guidance trucks. 1. According to the different guidance modes, it can be divided into fixed path guidance, free path guidance and so on. 2. According to the different transplanting methods, it can be divided into side fork transplanting, forklift transplanting, push-pull transplanting, roller conveyor transplanting, lifting table transplanting and manipulator transplanting.
3. According to the different ways of charging, it can be divided into exchange battery type and automatic charging type. 4. According to the different ways of steering, it can be divided into front wheel steering, differential steering and independent multi-wheel steering. (2) basic performance parameters of automatic guided truck 1, rated load 2, dead weight 3, car body size 4, parking accuracy
5. Minimum turning radius 6, running speed 7, battery voltage 8, working cycle (3) Application of automatic guided truck 1. Application of automatic guided truck in assembly operation the most widely used field of automatic guided truck is assembly operation, especially the assembly operation of automobile.
2. Application of dynamic guidance truck in heavy machinery industry in heavy machinery industry, the main use of automatic guidance truck is to transport moulds and raw materials. Due to the large weight of the transport, the automatic guidance truck needs to be equipped with a transplanting device with high power.
3. Application of AGV in other industries; AGV is widely used in other industries, such as post, storage, textile, electronics and so on.
What are the cement machinery and equipment? Which domestic cement machinery and equipment company is good?
There are many kinds of mechanical equipment, when the mechanical equipment is running, some of its parts and even itself can carry out different forms of mechanical movement. The mechanical equipment is composed of driving device, transmission device, working device, braking device, protective device, lubrication system, cooling system and so on.
According to the supply mode of packaging materials and packaging materials, packaging machinery can be divided into fully automatic packaging machinery and semi-automatic packaging machinery; if it is divided according to the scope of use of packaging materials, it can be divided into general packaging machine, dual-purpose packaging machine and special packaging machine; according to the type of packaging, it can be divided into packaging machine, inner packaging machine and outer packaging machine. Packaging machinery used for processing packaging materials and containers includes composite material processing machinery, bag-making machinery, plastic hollow container processing machinery and so on.
Packaging machinery is a major category of products in the packaging industry, which provides the industry with the necessary technical equipment to complete the required product packaging process.
Packaging equipment includes machinery and equipment for the manufacturing of synthetic packaging materials, printing and container molding, which converts raw materials into packaging containers by processing, printing, molding, etc. Most of this kind of equipment is a complete production line, which is closely related to the process and raw materials.
The main products of the machinery industry include the following 12 categories:
⑴, agricultural machinery: tractors, planters, harvesting machines, etc.
⑵, heavy mining machinery: metallurgical machinery, mining machinery, lifting machinery, loading and unloading machinery, industrial and mining vehicles, cement equipment, kiln equipment, etc.
⑶, construction machinery: forklift, shovel transport machinery, compaction machinery, concrete machinery and so on.
⑷, petrochemical general machinery: oil drilling and production machinery, oil refining machinery, chemical machinery, pumps, fans, valves, gas compressors, refrigeration and air conditioning machinery, paper machinery, printing machinery, plastic processing machinery, pharmaceutical machinery and so on.
⑸, electrical machinery: power generation machinery, transformers, motors, high and low voltage switches, wires and cables, batteries, welders, household appliances and so on.
⑹, machine tools: metal cutting machine tools, forging machinery, casting machinery, woodworking machinery and so on.
⑺, automobile: truck, road bus, car, refitted car, motorcycle and so on.
⑻, instrumentation: automatic instruments, electrical instruments, optical instruments, composition analyzers, automotive instruments, electrical equipment, audio-visual equipment, cameras and so on.
⑼, basic machinery: bearings, hydraulic parts, seals, powder metallurgy products, standard fasteners, industrial chains, gears, moulds, etc.
⑽, packaging machinery: packaging machine, packing machine, conveyor and so on.
⑾, environmental protection machinery: water pollution prevention equipment, air pollution prevention equipment, solid waste treatment equipment and so on.
⑿, other machinery.
Stamping equipment
Stamping equipment must have the following safety facilities:
⒈ stamping equipment shall have nameplates, various operating instructions, safety and warning instructions
⒉ power connection should be standardized, the cable of the equipment should not be damaged to prevent aging.
The door lock of the distribution box on the ⒊ stamping equipment should have a key, and the power supply should be cut off automatically when opening the door.
The changeover switch with key lock should be used for the conversion of ⒋ single, continuous and pedal stamping operation.
Continuous stamping stroke shall not occur when ⒌ stamping equipment is operated with a single stroke.
When the continuous stroke operation is selected by ⒍, a pre-control action link should be provided in the operation process.
The ⒎ stamping equipment must have an emergency stop button and should be able to lock itself.
There should be chain control between ⒏ pedal operation and manual operation.
⒐ shall install shields for transmission gears, pulleys, flywheels, levers and other transmission parts exposed outside and at the top of the fuselage.
The ⒑ pedal operating device adopts pedal type, which is controlled by pedal for electrical switch and can be reset automatically.
The upper and both sides of the ⒒ pedal should be shielded, and the pedal should be anti-skid.
⒓ stamping equipment must have safety protection measures to prevent hands from entering the closed area of the die. According to different conditions such as the type of stamping equipment and the shape of the workpiece of the production product, the user shall take some safety measures in stamping operation, such as automatic entry and discharge of materials, installation of safety protection devices, safety moulds and the use of special tools for taking and feeding materials.
Regularly test the three tests of the electrical system (protective grounding, insulation, voltage withstand test), and have test reports.
Each stamping equipment should obtain the “stamping equipment Safety permit”, and within the period of validity.
Special equipment
Special equipment refers to life-safe and dangerous boilers, pressure vessels (including gas cylinders), pressure pipes, elevators, lifting appliances, passenger ropeways, large-scale amusement facilities, special motor vehicles in the field (factory). Special equipment includes the materials used, ancillary safety accessories, safety protection devices and facilities related to safety protection devices.
Boiler refers to the use of a variety of fuel, electricity or other energy, the liquid will be heated to a certain parameters, and bear a certain pressure of closed equipment, its scope is specified as a volume greater than or equal to 30L pressure steam boiler; outlet water pressure is greater than or equal to 0.1MPa (gauge pressure), and the rated power is greater than or equal to 0.1MW; organic heat carrier boiler.
Pressure vessels are fixed and mobile vessels that contain gases or liquids and carry a certain pressure. Their range is specified as the maximum working pressure greater than or equal to 0.1MPa (gauge pressure) and the product of pressure and volume greater than or equal to 2.5MPa L gas, liquefied gas and liquid with the highest operating temperature higher than or equal to the standard boiling point. Gas cylinders with nominal working pressure greater than or equal to 0.2MPa (gauge pressure) and product of pressure and volume greater than or equal to 1.0MPa L, liquefied gases and standard boiling points equal to or less than 60 ℃ liquids; oxygen tanks, etc.
Pressure pipeline refers to the tubular equipment that uses a certain pressure to transport gases or liquids. Its scope is defined as gas, liquefied gas, steam medium with maximum working pressure greater than or equal to 0.1MPa (gauge pressure) or liquid medium that is flammable, explosive, toxic, corrosive, the highest working temperature is higher than or equal to the standard boiling point, and the nominal diameter is greater than 25mm.
Elevator refers to the mechanical and electrical equipment driven by power, which uses the box running along the rigid guideway or the steps (steps) running along the fixed line to lift or transport people and goods in parallel, including people (goods) elevators, escalators, automatic sidewalks and so on.
Lifting appliances refer to the mechanical and electrical equipment used to lift vertically or lift vertically and move heavy objects horizontally, the scope of which is specified as a lift with a rated lifting weight greater than or equal to 0.5t; a crane with a rated lifting weight greater than or equal to 1t, and a crane with a lifting height greater than or equal to 2m and an electric hoist with a fixed load-bearing form.
Passenger ropeway refers to the mechanical and electrical equipment driven by power and using flexible ropes and other means of transport to transport personnel, including passenger aerial ropeway, passenger ropeway, passenger towing ropeway and so on.
Large-scale amusement facilities refer to the facilities used for business purposes to carry passengers, and its scope is defined as the design of large-scale manned amusement facilities with a maximum operating speed greater than or equal to 2m/s, or a height higher than or equal to 2m from the ground.
The special-purpose motor vehicles in the field (factory) refer to the special-purpose motor vehicles which are only used in specific areas such as factory areas, tourist scenic spots, amusement places and so on except road traffic and agricultural vehicles.
structure
Machinery and equipment can cause many kinds of injuries, such as collision, pinch, shear, involvement and so on. The main dangerous sites are as follows:
Bites between ⑴, rotating parts, and tangential moving parts, such as power transmission belts and pulleys, chains and sprockets, rack and gears, etc.
⑵, rotating shaft, including connector, mandrel, chuck, screw and rod, etc.
Metal planer
Metal planer
⑶, rotating bumps and holes. Rotating parts with bumps or voids are dangerous, such as fan blades, cams, flywheels, etc.
⑷, the bites of opposite rotating parts, such as gears, mixing rollers, etc.
The bites of ⑸, rotating parts and fixed parts, such as spoke handwheel or flywheel and machine bed, rotary mixer and unprotected open shell mixing device, etc.
⑹, proximity type, such as hammer body of forging hammer, sliding pillow of power press, etc.
⑺, passing type, such as the worktable of the metal planer and its bed, the blade of the shearing machine, etc.
⑻, unidirectional sliding parts, such as teeth at the edge of band saw, grinding particles of belt grinder, convex motion belt, etc.
Between ⑼, rotating parts and sliding, such as the mechanism on the surface of some lithographic presses, textile machine tools, etc.
Ask for the types of moving robots and their functions. Thank you.
1. Machine tool loading and unloading robot
At present, in the machine tool processing industry, the high machining precision and fast batch processing speed lead to a great improvement in the degree of automation of the production line. first of all, it is necessary to carry out omni-directional automatic processing for machine tools to liberate manpower. Cartesian coordinate robots are gradually and widely used in the machine tool industry. It includes NC lathe feeding and unloading robot, CNC punch feeding and unloading robot, NC machining center unloading robot and so on. When using Lijia to process large parts such as wheels, the load can weigh up to dozens of kilograms, and its shape is mostly disk parts. this
The number of processing workpieces is large, and the machine tool needs to run almost 24 hours. In Europe and the United States and other developed countries, robot hands have long been used to automatically feed and cut materials. Different claw grasping systems should be used according to the shape of the machined parts and the processing technology. The motion mechanism that completes the process of grasping, carrying and taking away is the large Cartesian coordinate robot, which is usually a horizontal motion axis (X axis) and an up and down motion axis (Z axis). The shape and structure of the claw used by the loading and loading robot of the vertical machining center are different when the shape and weight of the machined parts are different. the type and size of the claw should be determined according to the specific parts and processing technology.
In Germany, almost all batch processing uses robots to load and unload materials automatically. However, according to the geometry of the workpiece to be processed, the processing technology and working beat are different, and the type of claw and robot adopted is also different. If the processing time of the workpiece is different or the processing time is long, different claw structures can be selected, and a single robot can be used to load and unload multiple machine tools, or multiple robots can load and unload materials online to realize the automatic production line process. Whether multiple robots work synchronously or a single robot works independently, its essence is similar. Because Cartesian coordinate robot is very suitable for all kinds of machine tool loading and loading applications, it is not only cheaper than other robots, but also more efficient. It will be widely used in more industries.
2. Material handling robot
The moving robot is a manipulator in the actual work, and the development of the manipulator is increasingly recognized by people because of its positive role: first, it can partially replace manual operation; second, it can be in accordance with the requirements of the production process, follow certain procedures, time and position to complete the transmission and loading and unloading of the workpiece. Third, it can operate the necessary machines and tools for welding and assembly, thus greatly improving the working conditions of workers, significantly improving labor productivity, and speeding up the pace of mechanization and automation of industrial production. Therefore, it has attracted the attention of many countries and invested a lot of manpower and material resources in research and application. Especially in high temperature, high pressure, dust, noise and the situation with radioactivity and pollution, it is more widely used. In recent years, there has also been rapid development in China, and achieved certain results, which has been paid attention to by the machinery industry. The structure of the manipulator is relatively simple and specific. With the development of industrial technology, a “program-controlled general manipulator”, referred to as general manipulator, is made, which can realize repeated operation independently according to program control and has a wide application range. Because the general manipulator can change the working procedure quickly and has strong adaptability, it is widely used in the medium and small batch production of constantly changing production varieties.
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