CN201377416Y - Multi-functional straight line sliding guide sleeve - Google Patents

Abstract

The utility model relates to a multi-functional straight line sliding guide sleeve, comprising a sliding guide sleeve. The guide sleeve is characterized in that a plurality of axial discharge channels are evenly distributed on the internal wall of the sliding guide sleeve. The utility model has the advantages that the arrangement of the discharge channels ensures that the sand scale at the upper end of the guide sleeve is carried off in time by oil flow. During the reciprocating motion of an active cell, negative pressure can be generated between adjacent sliding guide sleeve periodically, so that the pumping force to the sand scale around can be increased, and the sand scale cleaning effect can be strengthened. A plurality of axial discharge channels are evenly distributed on the internal wall of the sliding guide sleeve, thus ensuring that the magnetic field and magnetic force line which form a friction pair together with the axial discharge channel are changed. That is to say, the magnetic field and magnetic force line which are axially and evenly distributed originally are changed into heterogeneous state, in which way the concentricity of the friction pair is improved and mechanical wear degree of the friction pair is lightened at the same time, with the result that the service life of an oil extraction machine is prolonged.

Description

Multifunctional linear sliding guide sleeve

Technical field

The utility model belongs to a kind of parts of oil pump, particularly a kind of multifunctional linear sliding guide sleeve, and it has earial drainage, sand removal dirt, it is multi-functional to subtract energy consumption etc.

Background technique

In recent years, " numerically controlled reciprocating submersible pump " of China's independent research (ZL200410050431.5) uses at many oil recovery business enterprise expands of each elephant, compare with the traditional machine of kowtowing formula oil production equipment, oil recovery efficiency improves greatly, cost significantly descends, the generally favor of the enterprise that is subjected to recovering the oil.In production practices, find to remain: mainly be to contain under the more hole condition of sand in minority in certain shortcoming, during this equipment operation, the accumulation of sand scale easily appears in alloy guide pin bushing upper end, when mover during in to-and-fro motion, very easily clamp-on in the slit, the lighter increases frictional force, has strengthened motor load, has increased energy consumption.Can cause mover stuck when serious, cause " deadlock ", must play well operation again.This has not only increased operating cost, has also reduced the working life of oil recovery machiner.Simultaneously, alloy guide pin bushing hardness height, fragility is big, and phenomenons such as embrittlement, bad ring happen occasionally, and influence ordinary production.

The model utility content

The purpose of this utility model provides a kind of multifunctional linear sliding guide sleeve, have earial drainage, remove sand scale, cut down the consumption of energy etc. multi-functional, surface hardness height simultaneously, the not embrittlement of body good toughness, safe and reliable.

The purpose of this utility model is achieved in that and comprises and it is characterized in that sliding guide sleeve: several uniform axial current by pass are set on the sliding guide sleeve inwall.

Above-mentioned sliding guide sleeve adopts stainless steel material, cladding one deck abrasion resistant and corrosion resistant material on the wall within it.

The good effect that the utlity model has: 1, axial current by pass is set, can in time takes away the sand scale of guide pin bushing upper end by oil stream.2, in the mover to-and-fro motion, will the cycle produce negative pressure between adjacent sliding guide sleeve, increased the pumping power of sand scale on every side, strengthened the sand removal scale removal effect of oily stream.3, several axial current by pass that distribute on the sliding guide sleeve inwall change the magnetic field and the magnetic line of force with its composition friction pair, even originally became heterogeneous state in the axial equally distributed magnetic field and the magnetic line of force to some extent.Improve the concentricity of friction pair like this, alleviated the mechanical wear of friction pair simultaneously, thereby prolonged the working life of this oil recovery machiner.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that the utility model is assembled in schematic representation between mover and the coil.

Fig. 3 is the A-A sectional view of Fig. 2.

Embodiment

See Fig. 1, concrete structure of the present utility model is as follows: sliding guide sleeve 1 adopts stainless steel material, cladding one deck abrasion resistant and corrosion resistant material on the wall within it, the abrasion resistant and corrosion resistant material adopts Tungsten carbite, titanium carbide, zirconium carbide, rare-earth alloy material, wear-and corrosion-resistant powdered metallurgical material etc.3-5 uniform axial current by pass 2 is set on sliding guide sleeve 1 inwall.See Fig. 2,3, the sliding guide sleeve 1 that the utility model provides is assembled between the mover 3 and coil 4 of submersible electric pump.

Claims (1)

1, a kind of multifunctional linear sliding guide sleeve comprises sliding guide sleeve, it is characterized in that: several uniform axial current by pass are set on the sliding guide sleeve inwall.

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