Hoisting Machinery Plant City : technological lift hoist leaps and bounds

Taixing SCCW adhere to the road of science and technology enterprises , and constantly improve the technological content of products , out of the path of sustainable development. April 6 afternoon, Taixing SCCW workshop , construction workers are busy on a 250 tons of traffic to manual hoist electrical control systems. Company official told reporters , a large running lane in the production process , due to large amplitude , making it easy to run traffic on both sides of the deviation . Therefore, high-precision correct deviations domestic travel industry is still the problem . Taixing SCCW director Tao Dong said that this technology in the industry have emerged , but they have some problems , that they are dealing with , and error correction is not so accurate, we pass to PLC program improvement, and now this technology in our industry is already far ahead of it. After the breakthrough of this core hoist equipment , companies promoting homeopathy , in one fell swoop made ​​national arches lifting machinery production license , to become a leader in the industry. Chinese New Year is over, the country 's incoming orders , production planning soon filled the whole year . To promote the sustainable development of enterprises, in 2007 the enterprise has invested millions in cooperation with Shanghai Institute of Electronics has developed a remote control system of industrial production , the system will provide high security machinery manufacturing enterprises , durable and strong operating platform . Currently the project has entered the commissioning phase , is expected to be put into production this year .

Lever hoist is defined

Lever hoist is obtained from human pull (handle) chainb lock the aid of lever principle and load matching line traction, the rotation effect on movement load within a block, drive the load operation. It has compact structure, light weight, small dimension, easy to carry, safe and reliable, long life, small lever force, the wire rope wear small, etc. It can be upgraded, traction, drop, calibration etc. If a particular device, not only can be used as a non linear drawing operation, and can be very convenient to hoist equipment the appropriate operating position, or in small tonnage machinery exponentially expand its load capacity, load a number of machines can be used for large tonnage joint operations. Chain lever hoist is a kind of light is small, multi-purpose manual lifting, traction machine, widely used in electric power, mining, shipbuilding, construction, transportation, post and telecommunications departments such as the installation of equipment, lifting, part drawing, bulk, bundling, line taut and welding counterpoint, etc, especially in small workplaces, field aerial work and different Angle of pull more show its superiority.

Double beam bridge crane operation procedures before work

Double beam bridge crane operation procedures before work
1, before starting work on the brake, hook, rope and safety devices such as parts inspection, according to the requirement of the check card of abnormal phenomenon, should be ruled out.
2, the operator must be confirm there is no person, walk or orbit can be closed the main power supply. Lock on when the power supply circuit breaker or a billboard, should by the relevant people get rid of rear can close the main power supply. Chain electric hoist, including: low hanging type chain electric hoist, DHP were studied.the chainb lock processing type electric hoist, electric chain hoist, DHTZ type electric chain hoist, YH chain hoist, group of rings chain electric hoist. In all parts of steel wire hoist equipment electric hoist, professional production, high quality information to bring you the best quality products.
Reducer, helical gear transmission mechanism is to use level 3 a fixed axle, gear and gear axle has been heat treated alloy steel, box, box cover is made from high quality cast iron, assembly, sealing is good.
Control box: can is used to cut off the main circuit in case of an emergency, and up and down with a trip to protect fire stop device.
Type: wire rope is to use hoisting wire rope, it ensures the durable. Taper motor: lifting motor with large dynamic torque conical rotor asynchronous motor, brake and brake. Push button switch: using hand type, light and flexible, points with string manipulation and wireless remote control in two ways.
Professional, high quality good faith production force more force hoisting machinery products, safe and reliable, economical and practical.

Lever hoist is a kind of hoisting wire rope drawing tools

Lever hoist is a kind of hoisting wire rope drawing tools, when working by hand pull (handle, alternative action by rocker, connecting rod in the clamping mechanism, driving load forward or backward. Because there is no brake lever hoist wire rope, so the chainb lock mechanism is grasping mechanism brake mechanism, is the key to this kind of product. Design lever hoist wire rope, the main problem is the design of clamping mechanism is calculated. Since there is no uniform design specification, we are updated according to many years of three generations of the product design, test and production experience, the design and calculation method of the following are put forward. These data and the method also can be used for reference in the other wire rope in the design of clamping mechanism. Clamp, the size of the clamping plate of the basic calculation of the clamping lever hoist mechanism by the clamp, the clamping plate and pin shaft and the clamping plate links together the side panel, etc. Bridges, buildings and pipelines male door USES, such as zero pull wire rope hoist and the dove was buried a butterfly wing, products, drop a kwai column fresh technology hoist equipment refers to the atmosphere, the reliability index are mechanical efficiency index. But in the past for this product cheeper guan xing code stool mantra against atmosphere xin xin wing code is actually is, handsome model calculation rate value is high. With a rose the silting Lin Xiong, loss of greater than kang wipe clamp body parts of crank rocker articulated order also has two ways: type NHss wire rope lever hoist is brought type, Hs yao products for fork type switch (pick and hinged points). Different hinge order affects only Fried, chu clamp body parts alternately in order. Transmission series and clamp body parts are articulated order does not affect the mechanical efficiency calculation method proposed in this paper is practical, so type NHss single-stage waste shu transmission structure, using a vertical hanging, lifting load Q is working as an example, discuss the Zha calculate mechanical efficiency. According to figure 1 shows that human pull (forward in hand back and forth on the casing, the crank rocker rotary oscillation and auxiliary into work. With the aid of leverage, and alternating and direct money traction load direction, as a work of algal especially '~ to clamp of load"

Wire rope effect

Overview of henan coalification coal company manual hoist crane in order to reduce the well the worker in the upper and lower labor intensity of the well on the way, in 1992 and 2002, respectively, at one level and two level, between two and three levels of each set up a length of 500 m trolley car. Aerial mancar since the equipment running well since it was put into operation, drastically reduce the labor intensity of underground staff's work. However, aerial hoist equipment short service life of wire rope has been plagued our technical problems, the longest service life of wire rope for five months, the shortest is only 45 days. The reason is caused by fatigue broken wires transfinite (" coal mine safety regulations "regulation: broken wires in one lay length reaches 25% of the total number of wire must be replaced. I mine trolley car wire rope specifications for: 6 x 19-21.5 - ZZ - 1670, namely the broken wires in one lay length to 28) must be replaced when. The value of a wire rope is 17000 yuan, need at least four small class to complete 12 employees to work hard. Frequent replacement of wire rope not only affect the normal downhole worker ChengZuoRen car, but also to spend a lot of unnecessary manpower and material resources. In order to solve this problem, we return to the operational status of vehicle equipment and comprehensive study and analysis of aerial mancar wire rope for the stress analysis and selection.

Wire rope electric hoist can be used for hoisting equipment alone

Wire rope electric hoist can be used for hoisting equipment alone, equipped with their own car after also can be used for overhead monorail crane, etc, is a kind of compact structure, light weight, high efficiency and convenient operation of the lifting equipment. chainb lock to the building height, such as rail type is divided into 14 types. Code types of HSG standard building height, linear rail, rigid connection table code class type of hand trolley type HSJ standard building height, type curve track, hand trolley type HLG hinged connection standard hoist equipment height, linear rail, rigid connection of sprocket trolley type HLJ standard building height, the curve of orbit, hinged connection of sprocket car type HDG high standard construction, hoisting machinery products type general type of class, group, and the main number code in two parts (FIG. 1-1-2). Figure 1-1-2 type crane product model class, group, said Chinese phonetic alphabet in capital letters. Class, group, the type of code are shown in table 1-1-1. Main parameters are expressed with Arabic numerals. When the product be replaced or structure of A major reform, need to test for identification, its improved code according to the capital of Chinese phonetic alphabet A, B, C, D... Models the tail order, in the original ones. Example: QD20/5 bridge crane, said hook bridge crane, the main hook 20 t, 5 t vice hook.

Chain lever hoist is a kind of small manual lifting machinery

Chain lever hoist is a kind of small manual lifting machinery, has a compact structure, simple operation, light and energy saving, easy to carry, etc. manual hoist with the chain, more suitable for small workplaces, and aerial work, field operation, and can be used in all kinds of Angle of traction and bundled items. So chain lever hoist is widely applied in the shipyard hull hoist equipment welding of high voltage transmission lines of electricity department joint taut, agriculture, forestry and transportation of lifting loading, fastening, vehicle traction and factories, mines, construction and other departments of equipment installation calibration, hoisting, part drawing, etc. (see photo). The shipyard hull assembly welding job, as a result of chain lever hoist, can realize rapid and accurate ship registration, not only improve the size precision of the hull and the labor productivity, and improve the quality of the surface of the hull of the ship. Chain lever. Reed easy to carry. In a narrow place high or operations and also very convenient. Its net weight only 1. 6 kg, the minimum distance between hook is 205 mm. Because of using the K (0 unique clutch device, can quickly adjust to the work required to lift. Through the research and development of K (0, chain strength to IOOONlmmZ, become the world's highest level of nickel plated chain. It is not only strong, its corrosion resistance, wear resistance is high.

Heavy equipment manufacturing quality management status

Lifting equipment manufacturing quality management status quo of the crane has been widely used in petrochemical industry, port, shipbuilding, power plant, machinery, metallurgy, construction and other fields, is an important chainb lock of various industries to realize mechanization, automation. With the development of the society, it has extended to elevators, escalators, three-dimensional garage, cable car and amusement, etc, is closely connected with People's Daily life. Lifting hoist equipment as special equipment in China, the exercise of administrative supervision to its security. Design and manufacture of installation shall be implemented in the operation permit system, new or used after a certain period, mandatory safety inspection, issue the use license. At the same time, through implementing a series of laws and regulations, standards, procedures and for design and manufacture, installation, security inspection behavior norms, hoisting equipment, the quality of management has improved. But most lifting equipment manufacture, installation quality in our country is still controlled by the manufacture, installation units themselves, part to supervision by the owner or various forms of administrative management, entrust a third party professional supervision unit process supervision and management of less than thirty percent. Afterwards supervision and supervision of market reaction of all sorts of quality problem and the impact of different. 1. Afterwards supervision concerns with mandatory safety testing is belongs to the final part of the quality inspection, hidden for a variety of quality problems are found and the resulting accident, property damage, casualties or cause disputes and resort to law.

Lever lever hoist wire rope and wire rope tractor

Lever lever hoist wire rope and wire rope tractor, wire rope tractor. Is a new type, efficient, safe, durable hoisting machinery products, has three big functions, lifting, pulling, tensioning machine structure design is reasonable, the safety coefficient is high, service life is long, especially suitable for field without power supply condition. Imported chainb lock rope hand hoist main brand TOYO (Japan), the VITAL (d), impression, such as Yale, black bears, jin leopard, rated lifting weight is 800 kg, 1600 kg, 3200 kg, 3200 kg can pull 5 tons. Use the winch wire rope traction harvesters or other containers, running on the track or trackless homework mine transportation mode, including a rope, endless rope, monorail crane and scraper transport, etc. Twist wire rope steel wire for high quality carbon structural steel and alloy steel, 0.4 mm to 4 mm in diameter, and tensile strength of 1400 mpa to 2000 mpa. Rope is hoist equipment fiber, hemp core storage and "pad" role, so that the wire rope with softness, absorption in the tension of wire rope and the contact pressure at the same time, also can sufficiently oily, make the wire rope in use for a long time to get necessary well lubricated.

Chain as the upgrade version of the crown block

Chain as the upgrade version of the crown chainb lock, fully inherited the merits of the crown block, at the same time, a reverse non-return brake speed reducer and the combination of the chain pulley block, symmetry secondary spur gear rotational structure, simple, durable and efficient.Chain generally adopts chip hoist equipment ratchet friction brake, can self braking under load, ratchet in under the action of the spring and ratchet gearing, the brake safety work.

Machinery widely to many fields of national economy

Since 60 s of loader in China research and trial production after engineering and technical personnel nearly 40 years of manual hoist work, explore innovation, finally have our own technology, fine product specifications variety of loader series products. This machine is widely in many fields of national economy, promote the development of the national construction. The classification of the loader, loader shovel to dig or loading and unloading material is through the movement of the working device. Bucket rod and the rocker arm and bucket cylinder hinged, used to load and unload hoist equipment. Movable arm with frame, movable arm cylinder hinged, used to hoist bucket. The flip bucket and movable arm lifting adopts hydraulic control. Loader job working device should be able to guarantee: when turning cylinder are blocking, movable arm oil cylinder lifting or landing.

Mechanical type

Mechanical shovel has taiyuan mine machinery, chainb lock weighing, digging, etc. Small and medium-sized excavators more for diesel, hydraulic backhoe, domestic manufacturers heavier. Tower crane mast crane crane

Loader is a kind of widely used in highway, railway, building, water and electricity,hoist equipment, mining and other construction conditions of the machine, it is mainly used to shovel, sandstone, lime soil, coal and other material, can also be used for ore, hard soil, such as mild shovel dug homework.

Use the winch wire rope traction harvesters or other container

Use the winch wire rope traction harvesters or other containers, running on the track or trackless homework mine transportation mode, including a rope, endless rope, monorail crane and scraperhoist equipment, etc. Have a rope haulage with winding winch, one end of the wire rope winding on the winch drum, the other end on the car, when drum rotation, traction harvesters. Lever hoist is a simple to use, easy to carry the manual lifting tool. It can be upgraded, traction, drop, calibration etc. The weight is generally not more than 50 t widely used in shipbuilding, electric power, transportation, construction, manual hoist, post and telecommunications departments such as equipment installation, lifting, pull the parts, etc.

Use the winch wire rope traction harvesters or other container

Use the winch wire rope traction harvesters or other containers, running on the track or trackless homework mine transportation mode, including a rope, endless rope, monorail crane and scraperhoist equipment, etc. Have a rope haulage with winding winch, one end of the wire rope winding on the winch drum, the other end on the car, when drum rotation, traction harvesters. Lever hoist is a simple to use, easy to carry the manual lifting tool. It can be upgraded, traction, drop, calibration etc. The weight is generally not more than 50 t widely used in shipbuilding, electric power, transportation, construction, manual hoist, post and telecommunications departments such as equipment installation, lifting, pull the parts, etc.

How to Install group hanging electric hoist?

Group hanging electric hoist can be used alone or with multiple synchronous lifting,hoist equipment use the control cabinet unified control, mainly due to the large oil tank welding in areas such as the following for you to explain, group hanging electric hoist how to install?

The first step is to open the container. Before installing the test machine, connect a wire rope drum wrapped in paper tape opened, scored before the test machine, test machine if you hurry, you may cause damaged rope rewind and stop frame. After this step, we need to note is to avoid direct contact with the wire rope and stop frame, otherwise easily lead limit switch failure, causing mini electric hoist is not working properly. The third step is to use the group hanging electric hoist when the body can not move or rotate along the mounting rod.
Then, to observe it, the work group hanging electric hoist the standard single-phase power supply is not running account,wire rope winch and you must use an outlet with a ground wire. If the state does not drop in electric hoist, electric hoist drum is coated with red paint in the last three laps rope can not be released. If continue down switch, wire rope on the rope drum will be rewound to make electric hoist operation upside down on the open, so that the limit switch will lose effect.
Finally look precautions, such as not to allow group hanging electric  lift hoist  to be exposed to rain or soaked in water, make sure that all cables hanging electric hoist with the group on rotating or hot parts to maintain an appropriate distance.

Humid environment for the special requirements of the hoist

Under normal circumstances hoist Working environment humidity less than 85%, electric hoist protection class IP44,manual block but with the humidity required to adapt more and more occasions, for more than 85% in the wet conditions, the hoist to some special requirements.

In nuclear power plants, nuclear equipment and other high-pressure water washing areas are at 100% humidity,wire rope winch which requires the hoist protection must be increased, therefore, the humidity is greater than 85% to 100% of the use of the environment, the hoist motor and electrical protection class shall be IP55. Besides in a humid environment, the motor should be taken for more than 10kw additional preheating drying device before use.hoist equipment If operating in the open, the hoist should be created on the electrical motor hard rain cover.

Classification of wire rope hoist

Hoist  wire rope hoist  is the most frequently used tools in one field of use is also very widely, depending on the different requirements of different areas of the wire rope hoist, here to introduce you to the different areas of the classification under the wire rope hoist.
1, a wire rope hoist marine metallurgy, metallurgy working environment temperature is high, the use of a normal CD rope  lever hoist  operation not allowed.
2, dust-laden gas explosion sites, the environmental requirements for hoist safety factor is higher, you must use explosion-proof electric hoist, the product itself has explosion-proof function, use the site to choose explosion proof electric hoist grade for three or four.
3, building small, space-constrained spaces, under normal circumstances larger ordinary electric hoist,hoist equipment hoist the overall shape is oblong, larger space, the best choice for the space first place low headroom electric hoist, this section electric hoist for the square, gourd compact, taking up less space.

Factors affecting the quality of lifting chain

Lifting  hoist equipment  as an important accessory, chain hoist mass relation to the overall usage of the following lifting chain to introduce you to influence what factors?
1, lifting chain is divided into 80, 100, etc., the higher the level, the chain is relatively good quality
2, the same series of chain products, components and the materials according to the chain, the chain and the hinge attachment structure is divided varieties.
3, the chain selection of alloy steel, hardness, durability, safety coefficient is high, cast iron alloy is relatively poor quality.
4, lifting chain welding standards, purchase, pay attention to whether it is hand-welded chain, if the manual welding,load chain resistance to pressure the chain can not reach higher standards.
5, chain and monocyclic permanent elongation shall not exceed 5% of the original length
6, hanging chain permissible wear value must not exceed ring chain bar diameter or thickness of 10% of the aids.
7, the same species, according to the chain pitch, Rows,hoist and trolley ultimate tensile load chain width and the different divisions specifications.
Lifting chain in the field of lifting machinery is widely used as an accessory, I hope this article can help buyers identify the quality chain.

Prevent rusting hoist effective method

    Electric  rope hoist  after all metal products, daily use and improper maintenance are particularly vulnerable to rust, rusty after hoist between the various components will affect the gear meshing, resulting in intense friction, thus affecting the hoist use the following to introduce you to prevent electric hoist the most common and effective method of rust.
       1, the exposed surface of the hoist and exposed threaded surface, etc., should apply anti-rust grease.
       2, electric hoist gearbox parts should be coated with anti-rust oil barium sulfonate grease, inspect conditions and corrosion protection film is complete.
       3, the hook bearing, rust grease to be injected.
       4, if the wire rope electric  hoist equipment, wire rope should be coated surface rust lubricant.
       These are the most commonly used electric hoist everyday ways to prevent rust, in addition, if the hoist has rusted parts, we can first scrape off the rust with hardwood chip re-oiled, such as the film is damaged or deteriorated, application kerosene or gasoline to clean, apply a rust grease. To remind you if you do not use the hoist case,wire rope winch hoist chain or rope part should tarpaulin or plastic film wrap for protection.

Electric chain hoist normal voltage

    Electric chain hoist is the most commonly used  hoist equipment, powered by electricity during use, the following detailed explanation of your normal use of electric chain hoist voltage, want to use your help.
         Electric chain hoist into the normal operating voltage supply voltage rated voltage and operating handle. Rated supply voltage range of AC 220 volts to 660 volts, nominal frequency, there are two,wire rope winch namely, 50 and 60Hz, electric chain hoist in use, the use of premises voltage can fluctuate slightly, but the fluctuation range should not exceed the rated 10% of the voltage.
         Electric chain hoist operating handle voltage of 24V-36V, which is the AQSIQ mandatory requirements for special lifting equipment, low voltage can effectively protect users to protect against electric shock.
         As lifting equipment and electric products,manual hoist electric hoist safety-critical use, read the instructions carefully before use and precautions.