shell wire rope grease made in china

The Shell Gadus range of greases is designed to help make it easy for equipment operators to select the oil that will best deliver value to their operations through enhanced wear protection, long grease life and high system efficiency.

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Shell Naturelle S2 Wire Rope Lubricant A is a high performance fully biodegradable grease for use on open gears, wire ropes and cables. This product is formulated with renewable base fluids and contains a select blend of additives to offer corrosion resistance and high load carrying performance. Shell Naturelle S2 Wire Rope Lubricant A offers high resistance to water wash off due to its outstanding adhesion properties.

Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment, structure, feature and effect thereof of a kind of grease removal device for steel wire rope proposing according to the present invention, be described in detail as follows.

Shown in Fig. 1 and Fig. 2, be front view and the top view of grease removal device for steel wire rope of the present invention, it comprises base 1, sliding table 2, degreasing unit 3 and barrel 4.Wherein, the sliding table 2 affixed by bolt is installed on this base 1, and this barrel 4 is fastened on the shell of degreasing unit 3.

This sliding table 2 comprises clamping structure 21 and cylinder 22, this clamping structure 21 is arranged on sliding table 2, can adjust the position of clamping structure 21 by the movement of sliding table 2, the left and right sides of this cylinder 22 is provided with connecting plate 1 and connecting plate 2 222, this cylinder 22 is connected with clamping structure 21 use pins with connecting plate 2 222 by connecting plate 1, can control stepping up and unclamping of clamp mechanism 21 by moving forward and backward of cylinder 22.Wherein, the kind of drive of this grease removal device for steel wire rope, except adopting cylinder-driven, can also adopt oil cylinder transmission; The interaction medium of cylinder is compressed air, and the interaction medium of oil cylinder is emulsion or hydraulic oil, that is to say that cylinder is compressed air-driven, and oil cylinder is that emulsion or hydraulic oil drive.But the present invention does not limit the concrete kind of drive of this grease removal device for steel wire rope.

This degreasing unit 3 is arranged on the bare terminal end of clamp mechanism 21, and it comprises crowded oil ring 31, heater 32, separator 33 and oil drain out 34.Wherein, this crowded oil ring 31 has two, and it lays respectively at the top and bottom of degreasing unit 3, and is embedded in the outer casing groove of degreasing unit 3; This heater 32 is arranged in 3 upper end of degreasing unit, is embedded in equally in the outer casing groove of degreasing unit 3; This separator 33 is arranged in the lower end of degreasing unit 3, welds together with the shell of degreasing unit 3, can effectively prevent that grease from bringing steel wire rope into again because of adhesion; This oil drain out 34 is positioned at the centre of the crowded oil ring 31 of separator 33 and lower end, is evenly distributed on the shell of degreasing unit 3.

This crowded oil ring 31 is made up of two semicircles, and its material is rubber-plastics material, and the hardness of this rubber-plastics material is lower than the hardness of steel wire rope material.The mode of heating of this heater 32 can adopt electromagnetism, infrared, steam etc., it can soften hard oil piece, can more effective removing steel wire rope on unnecessary grease, in the present embodiment, the mode of what this heater 32 adopted is electromagnetism heats, but the present invention is not limited.

In the present embodiment, the working method of grease removal device for steel wire rope of the present invention is as follows: when work, this sliding table 2 is adjusted position makes clamp mechanism 21 near preparing by the steel wire rope of oil removing, and cylinder 22 ejects clamp mechanism 21, it is added and hold this steel wire rope, in barrel 4, add degreasing powder subsequently; Heater 32, operation elevator, slides up and down this steel wire rope; This steel wire rope squeezes oil ring 31, separator 33 and lower end by upper end and squeezes oil ring 31, the grease on this steel wire rope is wiped off, then discharged from this oil drain out 34.Therefore by this grease removal device for steel wire rope, the grease on this steel wire rope has just been removed.

The purpose of this utility model is: provide a kind of steel wire rope special-purpose oil wiper, can effectively scrape off the unnecessary grease in steel wire rope surface in manufacturing and use, can be installed on rope making equipment or the steel wire rope use equipment, steel wire rope is carried out automatic frizing.

The technical solution adopted in the utility model is: the special-purpose oil wiper of steel wire rope, mainly form by shell, rotary sleeve, frizing mould, thrust bearing, radial bearing, dust cap and cage ring, it is characterized in that: the frizing die shape is the cylinder bodily form, the frizing mould adopts rubber or polyurethane material to make, the center hole wall has inner spiral groove, and the quantity of inner spiral groove is identical with steel wire rope outer layer strand quantity; The hand of spiral of inner spiral groove is identical with the cable lay and the lay pitch with pitch.The frizing mould has better elastic, can closely contact with the steel wire rope surface.The frizing mould is fixed in rotary sleeve one end, and rotary sleeve is that stairstepping is cylindric, and rotary sleeve is in cylindrical housing.Between the other end outer wall of rotary sleeve and the shell thrust bearing and radial bearing are installed, between thrust bearing and radial bearing, cage ring are arranged.Wherein thrust bearing can carry axial compressive force, and the radial bearing effect is fixing rotary sleeve, prevents that rotary sleeve from departing from the center.The cage ring effect is that thrust bearing and radial bearing are separated, and prevents the phase mutual friction and influences rotation.Be fixed with dust cap at outer casing end, the dust cap effect is to prevent that dust from polluting bearing.

Describedly be fixed with dust cap at outer casing end, fixed structure is: hold-down screw prevents that from the fixing dust cap of the direction of the outer wall vertical outer casing centerline of shell dust cap from dropping out.

In order to realize manual frizing, on the outer wall of shell, be fixed with two handles, two handles are symmetrically welded on the outer wall of shell.

The special-purpose oil wiper operation principle of the utility model steel wire rope: consult Fig. 1.At first frizing mould 3 is opened along opening 10 directions during use and be enclosed within on the steel wire rope, frizing mould 3 is put in the rotary sleeve 2 of oil wipers again, oil wiper 1 is fixed in the rotary sleeve 2.The endoporus of frizing mould 3 has inner spiral groove 11, the pitch of its inner spiral groove 11 threaded hole with turn to identical by the steel wire rope of frizing, can guarantee that frizing mould 3 contacts with the intimate of steel wire rope.When steel wire rope passed through oil wiper 1 endoporus, frizing mould 3 rotated along the steel wire rope direction of rotation with rotary sleeve 2, and the grease in steel wire rope surface and the groove thereof is wiped off, realizes the frizing process with this.

The beneficial effects of the utility model: the special-purpose oil wiper of the utility model steel wire rope, can carry out automatic frizing to steel wire rope.Steel wire rope passes through from the oil wiper centre bore, and the unnecessary grease in steel wire rope surface is wiped off, and steel wire rope surface grease can not polluted environment.Can utilize this device can effectively improve steel wire rope grease pollution on the environment, to realize environmental protection production.In addition, the special-purpose oil wiper of steel wire rope has:

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For multi-rope friction hoists, non-hot-melt materials are more suitable for use as Friction pulley lining block materials. The factors that affect the friction coefficient of the lining block include surface condition, load pressure, wire rope creep speed and ambient temperature.

According to the working principle of the multi-rope friction hoist, the friction liner (hereinafter referred to as the liner) installed on the cylinder shell of the friction wheel (master wheel) of the hoist is a very important part of the friction hoist to drive the wire rope and lift the load. The friction performance of important parts directly affects the working capacity, working efficiency and safety of the hoist.

There are two main purposes of the liner: one is to increase the friction between the friction wheel and the wire rope to improve the working capacity and safety of the hoist; the other is to act as an isolation pad to isolate the shell and the wire rope to avoid direct contact between the two Friction with each other to protect the shell and prolong the service life of the wire rope. From the purpose of the liner, it can be seen that the material used to make the liner should have two main characteristics: one is that the friction performance is good, that is, the friction coefficient with the wire rope should be high and stable; the other is that the wire rope should not be damaged, that is, the hardness of the liner should be low.于wire rope. Around these two characteristics, the cushion materials used in the early days were mostly natural materials, such as wood, leather, rubber and aluminum alloy. With the development of the chemical industry, people gradually began to use synthetic materials, such as polyvinyl chloride, polyurethane rubber, and resin materials. According to the chemical properties of the material, the gasket material can be divided into two types: hot-melt type and non-hot-melt type. Polyvinyl chloride and polyurethane are hot-melt materials. There are many types of polyurethane due to its different types and components, and there are certain differences in performance. The polyester polyurethane used to make the liner is characterized by good toughness and wear resistance. However, polyurethane materials have their insurmountable weaknesses. For example, the melting point is low, generally only more than 100 degrees, and it is difficult to ensure the friction performance of the liner under accidental circumstances; especially the thermal conductivity is very poor (it is sufficient to be used as a refrigerator insulation material). The frictional heat accumulation and local temperature increase will affect the friction coefficient; the transverse rigidity is poor, the deformation is large after the force, and the fatigue fracture is prone to; avoid ultraviolet radiation, short aging cycle and poor cutting performance. Non-hot-melt materials are materials that will not melt when heated until they burn. Compared with hot-melt materials, non-hot-melt materials have many advantages, such as not melting when heated, and can ensure the friction performance of the liner in unexpected situations; the friction coefficient is high and stable, and the temperature is less affected; the hardness is high, and the transverse rigidity Good, the deformation is small after being stressed, and fatigue fracture is not easy to occur; it has strong chemical resistance, anti-aging ability, long life and good cutting performance. The resin-based gaskets that are frequently used in China are non-hot-melt materials with excellent friction properties. According to the working characteristics of the multi-rope friction hoist, it should be said that non-hot-melt materials are more suitable for use as gasket materials.

The working conditions of the gasket mainly include four aspects: surface condition, load pressure, wire rope creep speed and ambient temperature, and are also four main factors affecting the friction coefficient of the gasket.

2.1、Surface condition When the liner is working, due to the influence of many factors at the site of use, the surface of the rope groove will have different states, such as dry, water or grease, but it is often not a simple one, but several states. Put it together, such as grease and water, and it is also contaminated by mineral powder, especially in the state of grease. The mineral powder is stuck by the grease and attached to the steel wire rope, and participates in the work of the friction surface. Groundwater is the direct cause of water dripping, and grease is the antiseptic of the steel wire rope, which sticks from the wire rope when the liner is in contact with the wire rope. In most cases in our country, the liner works with steel wire rope anti-corrosion grease and water. This state is the worst of all surface conditions and has the greatest adverse effect on the friction coefficient of the liner. Of course, the grease mentioned here is not ordinary anti-corrosion grease, but special steel wire rope anti-corrosion grease for friction lifting, referred to as friction grease. Tests have shown that, under normal circumstances, the friction coefficient of the liner under different surface conditions is different, and the friction coefficient under the greased state is the lowest. Therefore, the friction performance of the liner is inseparable from the surface state. Generally speaking, the friction coefficient of the gasket, unless otherwise specified, should refer to the friction coefficient in the greased state.

The liner is subjected to pressure from the wire rope when it is working, and this pressure varies greatly depending on the location of the liner. Generally speaking, the pressure (or specific pressure) refers to the average pressure, which is calculated according to the projected area of the rope groove. Different specifications and models of elevators have different pressures on their gaskets, but the average pressure is generally around 2.0 MPa, and the maximum is less than 3.0 MPa.

During normal operation, relative sliding between the liner and the wire rope is not allowed. If sliding occurs, it is considered as a failure of the friction pair, which is likely to cause accidents. However, because the wire rope is an elastic body, according to the elastic body transmission theory, the wire rope will elastically slide or creep on the pad. Due to the difference in elasticity of the wire rope, the difference in tension, and the different operating speed, the creep speed of the wire rope is different for different specifications of hoists.

Research shows that: the creep speed of the wire rope has a certain effect on the friction performance of the liner. From the perspective of speed influence, the increase of the creep speed will appropriately increase the friction coefficient of the liner, but the wear will increase.

The working environment of the liner is generally indoor, but the steel wire rope closely connected with it is different. For the tower hoist, the wire rope must pass from the machine room to the shaft through the open shaft tower. For floor hoists, the wire rope must be completely exposed through the outdoors to reach the shaft, and the wire rope will be exposed to the sun and rain. In contrast, the working environment of the wire rope is much harsher, but because the liner is always in contact with the wire rope, its friction performance will be affected to a certain extent by the temperature of the wire rope, especially when the surface of the wire rope is greased. some.

The use of the liner clearly shows that the coefficient of friction is the most important performance parameter of the liner. From the perspective of use, the liner should have the following three main properties:

(2) The friction coefficient should have the characteristics of increasing with the increase of the creeping speed of the wire rope, so as to ensure the convergence of the sliding speed when abnormal sliding is caused by an accident.

(3) Good thermal stability. When unexpected conditions cause abnormal sliding, the surface temperature of the liner rope groove cannot be melted when the temperature rises, and the friction coefficient should remain stable.

In addition, the liner should have sufficient strength, uniform internal organization, no defects, oil and water resistance, long-term exposure to grease and water, and stable performance, without damaging the wire rope, without polluting the environment, harmful to human health, and cutting Good performance etc.

The pad is as important to the multi-rope friction hoist as the tire is to the car. Without it, the hoist cannot effectively drive the wire rope to work. The performance of the liner is related to the parameter level of the whole hoist. The poor performance of the liner makes the hoist unable to run safely and reliably. Therefore, the liner is paid much attention to at home and abroad, and research is constantly being carried out.

The grease plant, based in Zhuhai, a city in southern China, can produce 30,000 metric tons of grease a year, and can be expanded to 40,000 tons a year, the company said Friday in a news release.

Some of the grease will be used in high-speed trains, airplanes and racing cars, said Mark Gainsborough, executive vice president for Shell Global Commercial.

“By building Shell’s largest grease plant in China, we are able to be closer to our customers,” said Huibert Vigeveno, executive chairman of Shell in China. “China’s lubricants demand, including that for grease, is growing fast.”