CN103912467A - Method for realizing reciprocating motion rolling friction of slurry pump and reciprocating motion rolling friction of slurry pump implementing method - Google Patents

Abstract

The invention belongs to the field of machines, in particular to a method for realizing reciprocating motion rolling friction of a slurry pump and a reciprocating motion rolling friction of slurry pump implementing the method. The slurry pump comprises a power device and a pump body, and is characterized in that the pump body comprises a cylinder body, a piston, a piston rod, a reciprocating part, a reciprocating guide part, a rolling body, a discharging one-way valve and a feeding one-way valve, wherein the rolling body is arranged on the piston, and a portion of rolling body projects out of the surface of the piston and/or the rolling body is arranged on the reciprocating part and a portion of the rolling body projects out of the surface of the reciprocating part; the piston is arranged in the cylinder body; the reciprocating part is arranged in the reciprocating guide part; the rolling body projecting out of the surface of the piston is contacted with the surface of the cylinder body; the rolling body projecting out of the surface of the reciprocating part is contacted with the surface of the reciprocating guide part; one end of the piston rod is connected with the piston, and the other end of the piston rod is connected with the reciprocating part; the other end of the reciprocating part is connected with the power device; the power device is used for controlling the piston to move in a reciprocating way. By adopting the slurry pump, the piston running resistance is reduced, the energy utilization ratio is increased, and the service life is prolonged.

Description

The to-and-fro motion rolling friction slag stock pump of a kind of method of slag stock pump to-and-fro motion rolling friction and enforcement the method

Technical field

The present invention relates to mechanical field, the to-and-fro motion rolling friction slag stock pump of especially a kind of method of slag stock pump to-and-fro motion rolling friction and enforcement the method.

Background technique

Slag stock pump can be widely used in mine, electric power, oil, metallurgical, coal, the industries such as environmental protection are carried the slurry that contains solid particle, as technics of metallurgy mineral dressing factory pulp conveying, thermal power plant's hydraulic(-ash) sluicing, coal washery coal slurry and dense medium are carried, river training, river desilting etc., at chemical industry, also the corrosivity slurry that can carry some to contain crystallization, its basic functional principle is: power end drives piston to move right, in cylinder, form negative pressure, slag slurry or liquid are under atmospheric pressure effect, backing down suction valve enters in cylinder body, until moving on to farthest right position, piston completes suction process, piston starts to be moved to the left, and slag slurry or liquid are subject to the extruding of piston and pressure raises in cylinder body, and suction valve is closed, and expulsion valve is backed down, and slag slurry or liquid are released expulsion valve by piston and entered high pressure pipe joint through discharge tube, complete discharge process.Existing slag stock pump piston is to-and-fro motion and connecting rod (reciprocating member) and guide sleeve (back and forth guiding element) employing sliding friction guiding in cylinder body, the cylinder body of slag stock pump is by Sealing support piston, piston is to-and-fro motion in cylinder body under the support of Sealing, between Sealing and cylinder body, form larger sliding-frictional resistance, can cause and cannot work on when serious because the large Sealing of surface friction drag is impaired, cause production suspension induced losses, even cause serious security incident.In addition, between piston and cylinder body, relative movement need to overcome larger force of sliding friction, when piston volume weight is large, cylinder body cavity is when large, and because piston volume is large, weight is large, even more serious to the wearing and tearing of cylinder body, between piston and cylinder body and reciprocating member and back and forth the sliding-frictional resistance of guiding element have a strong impact on the movement velocity of slag stock pump, reduce working efficiency, reduce equipment performance, increased energy consumption, increased maintenance.For how reducing between piston and cylinder body and reciprocating member and the reciprocal force of sliding friction of guiding element, conventional way is the machining accuracy by improving cylinder body, piston, reciprocating member, reciprocal guiding element at present, improve its surface roughness, reduce the sliding-frictional resistance of relative movement, but, fundamentally do not change the reciprocating structure of its sliding friction, therefore DeGrain.

The present invention is in order fundamentally to eliminate between rolling element and piston, cylinder body or fundamentally to eliminate reciprocating member and the back and forth sliding-frictional resistance of guiding element, the problems referred to above are carried out to thorough reform, proposed the to-and-fro motion rolling friction slag stock pump of method and enforcement the method for a kind of slag stock pump to-and-fro motion rolling friction.

Summary of the invention

The present invention realizes by the following technical solutions:

A method for slag stock pump to-and-fro motion rolling friction, the method realizes by following steps:

Step 1: the pump housing is set, cylinder body is set on the pump housing, piston, reciprocating member, rolling element, reciprocal guiding element etc., rolling element is arranged to piston and a rolling element part is protruded to piston face and/or rolling element is arranged to reciprocating member and a rolling element part is protruded to reciprocating member surface etc., piston etc. is arranged in cylinder body, reciprocating member etc. is arranged in reciprocal guiding element, the rolling element that makes to protrude from piston face contacts and/or makes to protrude from the rolling element on reciprocating member surface and contacts with reciprocal guide surface etc. with cylinder surface, piston only is not contacted with cylinder surface and/or reciprocating member is not contacted with reciprocal guide surface etc., the rolling friction such as rolling element support piston and cylinder body and/or support reciprocating member and back and forth guiding element do relatively reciprocating motion,

Step 2: Sealing etc. is set on piston, prevent that slag slurry or liquid or gas etc. from entering opposite side from a side of piston, rolling element, by to-and-fro motion such as rolling friction support piston, reduces the running resistance of piston etc., improve piston movement speed etc., Sealing is done sealing use etc.;

Step 3: feed check valve, discharging one-way valve etc. are set on the pump housing;

Step 4: power plant etc. are set, and power plant are set to crank connecting rod power device or linear electric motor power plant or hydraulic power unit or Pneumatic propelling plant etc., power plant drive the to-and-fro motion such as piston;

Step 5: when piston retreats, make slag slurry or liquid etc. enter the pump housing by feed check valve, when piston-advance, slag slurry or liquid etc. are discharged by pump housing discharging one-way valve.

The method of described slag stock pump to-and-fro motion rolling friction, the method realizes by following steps:

Step 1: the pump housing etc. is set, cylinder body is set on the pump housing, piston, reciprocating member, rolling element, reciprocal guiding element etc., on piston or on cylinder body or on reciprocating member or on reciprocal guiding element, circulation raceway etc. is being set, piston etc. is arranged in cylinder body, reciprocating member etc. is arranged in reciprocal guiding element, rolling element etc. is arranged in circulation raceway, the rolling element etc. that makes to expose circulation raceway and cylinder surface or with piston face or back and forth guide surface or reciprocating member Surface Contact etc., piston only is not contacted with cylinder surface and/or reciprocating member is not contacted with reciprocal guide surface etc., the rolling friction such as rolling element support piston and cylinder body and/or support reciprocating member and back and forth guiding element do relatively reciprocating motion,

Step 2: Sealing etc. is set on piston, Sealing etc. is arranged between the one or both sides or front and back circulation raceway of circulation raceway, prevent that liquid or gas etc. from entering opposite side from a side of piston, rolling element is by to-and-fro motion such as rolling friction support piston, reduce the running resistance of piston etc., improve piston movement speed etc., Sealing is done sealing use etc.

The method of described slag stock pump to-and-fro motion rolling friction, the feature of the method is: on piston and/or on reciprocating member, be provided with raceway, groove, retainer, limiting board, position limit cycle, stop collar, limit dais, position-limited lever, roller shaft or the jump ring etc. that prevent rolling element and come off from piston and form rolling element limit structure, make the position of rolling element limit structure restriction rolling element etc., rolling element is arranged to rolling element limit structure etc.

The method of described slag stock pump to-and-fro motion rolling friction, the method realizes by following steps:

Step 1: the pump housing etc. is set, cylinder body is set on the pump housing, piston, reciprocating member, rolling element, reciprocal guiding element etc., rolling element etc. is arranged to piston and a rolling element part is protruded to piston face and/or rolling element etc. is arranged to reciprocating member and a rolling element part is protruded to reciprocating member surface etc., piston etc. is arranged in cylinder body, reciprocating member etc. is arranged in reciprocal guiding element, the rolling element that makes to protrude from piston face contacts and/or makes to protrude from the rolling element on reciprocating member surface and contacts with reciprocal guide surface etc. with cylinder surface, piston only is not contacted with cylinder surface and/or reciprocating member is not contacted with reciprocal guide surface etc., rolling element support piston and cylinder body and/or support that reciprocating member and reciprocal guiding element rolling friction do relatively reciprocating motion etc.,

Step 2: anti-tamper structure etc. is set in one end of piston or reciprocating member, anti-tamper structure is set to multidirectional rotary structure etc., and the multidirectional rotary structure of anti-tamper structure is set to joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or arc buckle-groove type etc.;

Step 3: the multidirectional rotary structure of anti-tamper structure and piston are used in conjunction with etc., make joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or the arc buckle-groove type etc. of multidirectional rotary structure rotate isolation to-and-fro motion reaction damageability.

The method of described slag stock pump to-and-fro motion rolling friction, the method realizes by following steps:

Step 1: the pump housing etc. is set, cylinder body is set on the pump housing, piston, reciprocating member, rolling element, reciprocal guiding element etc., on piston or on cylinder body or on reciprocating member or back and forth, on guiding element, circulation raceway etc. is set, raceway and piston or cylinder body or reciprocal guiding element or reciprocating member split is connected or be integral type etc. make to circulate, piston etc. is arranged in cylinder body, reciprocating member etc. is arranged in reciprocal guiding element, rolling element etc. is arranged in circulation raceway, make to expose the rolling element of circulation raceway and cylinder surface or with piston face or back and forth guide surface or reciprocating member Surface Contact etc., piston only is not contacted with cylinder surface or reciprocating member is not contacted with reciprocal guide surface etc., rolling element support piston and cylinder body or support that reciprocating member and reciprocal guiding element rolling friction do relatively reciprocating motion etc.,

Step 2: Sealing etc. is set on piston, Sealing is arranged between the one or both sides of circulation raceway or front and back circulation raceway etc., prevent that liquid or gas etc. from entering opposite side from a side of piston, rolling element is by rolling friction support piston to-and-fro motion etc., reduce the running resistance of piston etc., improve piston movement speed etc., Sealing is done sealing use etc.;

Step 3: anti-tamper structure etc. is set in one end of piston or reciprocating member, anti-tamper structure is set to multidirectional rotary structure etc., and the multidirectional rotary structure of anti-tamper structure is set to joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or arc buckle-groove type etc.;

Step 4: the multidirectional rotary structure of anti-tamper structure and piston are used in conjunction with etc., make joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or the arc buckle-groove type etc. of multidirectional rotary structure rotate isolation to-and-fro motion reaction damageability.

The method of described slag stock pump to-and-fro motion rolling friction, the feature of the method is: make the close arrangement etc. in circulation raceway such as rolling element, the length of raceway of making to circulate is suitable for rolling element support piston and cylinder body etc. or supports reciprocating member and reciprocal guiding element etc., prevents piston and cylinder body or prevents reciprocating member and reciprocal guiding element sliding friction etc.

The method of described slag stock pump to-and-fro motion rolling friction, the feature of the method is: make the tight fastening of rolling element and cylinder body and/or piston rolling surface of contact etc., make rolling element and cylinder body and/or piston rolling surface of contact large etc., prevent that rolling element local pressure is excessive etc., reduce rolling element cylinder body and/or piston are concentrated on to local friction etc., the righting amplitude of increasing to piston etc.

The method of described slag stock pump to-and-fro motion rolling friction, the feature of the method is: make rolling element and reciprocal guiding element and/or the tight fastening of reciprocating member rolling surface of contact etc., make rolling element and back and forth guiding element and/or reciprocating member rolling surface of contact large etc., prevent that rolling element local pressure is excessive etc., reduce rolling element reciprocal guiding element and/or reciprocating member are concentrated on to local friction etc., the righting amplitude of increasing to reciprocating member etc.

The method of described slag stock pump to-and-fro motion rolling friction, the feature of the method is: make being equal in weight or substantially equating of two ends beyond rolling element and the superposition section such as piston or reciprocating member central point, keep rolling element support piston or reciprocating member is static and gravity relative equilibrium etc. when motion state.

The method of described slag stock pump to-and-fro motion rolling friction, the feature of the method is: circulation raceway bear pressure stage on the cylinder body that bear pressure corresponding with circulation raceway or with corresponding first-class high-abrasive material or the High Strength Wear-Resistance Material etc. of arranging of reciprocal guiding element that bears pressure of circulation raceway.

The method of described slag stock pump to-and-fro motion rolling friction, the feature of the method is: at piston and cylinder body or bear pressure friction area etc. at reciprocating member and reciprocal guiding element circulation raceway etc. is set, make rolling element in circulation raceway, roll and bear extruding force etc., make frictional force and pressure be applied to rolling element first-class, make piston or cylinder body or make reciprocating member or back and forth guiding element use lightweight material etc., reduce reciprocating piston or cylinder body or reciprocating member or the reciprocal weight etc. of guiding element, thus reduce reciprocating piston and or the consumption of reciprocating member to energy etc.

The to-and-fro motion rolling friction slag stock pump of the described to-and-fro motion rolling friction method that realizes, comprise power plant, the pump housing etc., it is characterized in that: the pump housing comprises cylinder body, piston, piston rod, reciprocating member, back and forth guiding element, rolling element, discharging one-way valve, feed check valve etc., rolling element is arranged at piston and a rolling element part protrudes from piston face and/or rolling element is arranged at reciprocating member and a rolling element part protrudes from reciprocating member surface etc., pistons etc. are arranged in cylinder body, reciprocating members etc. are arranged in reciprocal guiding element, the rolling element that protrudes from piston face contacts with cylinder surface etc., the rolling element that protrudes from reciprocating member surface contacts with reciprocal guide surface etc., piston only does not contact with cylinder surface etc., reciprocating member does not contact with reciprocal guide surface etc., piston rod and piston split or be integral type etc., piston rod one end is connected with piston, the other end is connected with reciprocating member, the other end of reciprocating member is connected with power plant, the to-and-fro motion such as power plant control reciprocating member, reciprocating members etc. drive piston rod to-and-fro motion, piston rod drives the to-and-fro motion such as piston, piston retreats feed check valve and opens etc., discharging closed check valve etc., make slag slurry or liquid etc. enter the pump housing through feed check valve, the piston feed check valve that moves ahead is closed etc., and discharging one-way valve opens etc., make slag slurry or liquid etc. be discharged through discharging one-way valve by the pump housing.

Described to-and-fro motion rolling friction slag stock pump, comprise power plant, the pump housing etc., it is characterized in that: the pump housing comprises cylinder body, piston, piston rod, reciprocating member, back and forth guiding element, rolling element, discharging one-way valve, feed check valve etc., circulation raceway etc. is set on piston and/or circulation raceway etc. is set on reciprocating member, circulation raceway is connected with piston split or is integral type etc., pistons etc. are arranged in cylinder body, reciprocating members etc. are arranged in reciprocal guiding element, rolling elements etc. are arranged in circulation raceway, expose the rolling element of circulation raceway and cylinder surface and/or with reciprocal guide surface Surface Contact etc., piston only does not contact with cylinder surface etc., reciprocating member body does not contact with reciprocal guide surface etc., piston rod and piston split or be integral type etc., piston rod one end is connected with piston etc., the other end is connected with reciprocating member etc., the to-and-fro motion such as the other end of reciprocating member etc. is connected with power plant, power plant control reciprocating member, reciprocating members etc. drive piston rod to-and-fro motion, piston rod drives the to-and-fro motion such as piston, piston retreats feed check valve and opens etc., and discharging closed check valve etc. make slag slurry or liquid etc. enter the pump housing through feed check valve, the piston feed check valve that moves ahead is closed etc., and discharging one-way valve opens etc., make slag slurry or liquid etc. be discharged through discharging one-way valve by the pump housing.

Described power plant comprise crank connecting rod power device or linear electric motor power plant or hydraulic power unit or Pneumatic propelling plant etc., and power plant drive the to-and-fro motion such as reciprocating member.

Described rolling element and piston split setting or split is connected or for integral type etc., rolling element and reciprocating member split setting or split is connected or be integral type etc.

Described piston is provided with Sealing etc., and Sealing etc. are arranged between piston and cylinder body etc., prevent that slag slurry or liquid or gas etc. from entering opposite side from a side of piston, and rolling element is by to-and-fro motion such as rolling friction support piston.

Described piston is provided with Sealing etc., Sealings etc. are arranged between the one or both sides of circulation raceway or front and back circulation raceway etc., the not to-and-fro motion on rolling element such as Sealing, prevent that liquid or gas etc. from entering opposite side etc. from a side of piston, rolling element is by to-and-fro motion such as rolling friction support piston, the running resistances of minimizing piston etc. etc., improve piston movement speed etc., and Sealing is done sealing use etc.

Described Sealing comprises O type circle or slip ring or elastomer or back-up ring or support ring or seal ring or star-like circle or V-type ring or U-shaped circle or spring or stage clip or pressure ring or opening seal ring etc.

Described circulation raceway comprises annular circulation raceway etc., and annular circulation raceway arranges ringwise or be single layout or be arranged symmetrically etc. along vibration-direction, rolling element in annular circulation raceway with to-and-fro motion circulating rolling etc.

Described circulation raceway comprises spirality circulation raceway etc., spirality circulation raceway is arranged on piston or cylinder body or reciprocating member or back and forth guiding element is first-class, rolling element in spirality circulation raceway along spiral rolling track circulating rolling etc., pressure and/or carrying reciprocating member and the back and forth continuous cyclical-transformation in position of pressure etc. between guiding element between rolling element loading piston and cylinder body, reduce rolling element and in circulation raceway, roll and be always in piston and cylinder body or reciprocating member and reciprocal guiding element part and bore the probability etc. of strong pressure and wearing and tearing.

Described rolling element close arrangement etc. in circulation raceway, the length of circulation raceway is suitable for rolling element support piston and cylinder body and/or supports reciprocating member and reciprocal guiding element etc., prevents piston and cylinder body or reciprocating member and reciprocal guide contacts sliding friction etc.

The tight fastening of described rolling element and cylinder body and/or piston rolling surface of contact etc., rolling element and cylinder body and/or piston rolling surface of contact are large etc., prevent that rolling element local pressure is excessive etc., reduce rolling element cylinder body and/or piston are concentrated on to local friction etc., the righting amplitudes of increasing to piston etc., closely fasten scroll space and the position etc. of limiting rolling element by the surface of contact of piston and/or cylinder body and rolling element.

Described rolling element and reciprocal guiding element and/or the tight fastening of reciprocating member rolling surface of contact etc., rolling element and back and forth guiding element and/or reciprocating member rolling surface of contact are large etc., prevent that rolling element local pressure is excessive etc., reduce rolling element reciprocal guiding element and/or reciprocating member are concentrated on to local friction etc., the righting amplitude of increasing to reciprocating member etc.

Described rolling element arranges being equal in weight of two ends beyond piston or reciprocating member superposition section central point or substantially equal, keeps rolling element support piston or reciprocating member is static and gravity relative equilibrium etc. when motion state.

Described piston or cylinder body or reciprocating member or back and forth guiding element comprise and prevent that rolling element limit structure that rolling element comes off etc., rolling element from rolling in rolling element limit structure etc.

Described rolling element limit structure comprises raceway or groove or I-shaped or arc or V-arrangement or ellipse or polygonal or retainer or limiting board or stop collar or limit dais or bulb groove or pit or position limit cycle or position-limited lever or jump ring etc., and rolling element limit structure is fixedly connected with piston or cylinder body or is integral type etc.

Described retainer etc. is arranged in circulation raceway, rolling element is arranged in retainer etc. and is arranged in circulation raceway, the thickness of retainer is less than the diameter of rolling element etc., two-part that rolling element exceeds retainer are arranged at respectively circulation raceway and piston or cylinder body or reciprocating member or reciprocal guiding element etc., prevent between rolling element and rolling element reverse friction etc.

Described rolling element comprises spherical rolling body or oval rolling element or dumbbell-like shape rolling element or cylindrical rolling element or ring rolling element or platform shape post rolling element or platform shape ball rolling element or platform shape drum rolling element or flute profile drum rolling element or channel column rolling element or flute profile ball rolling element or flute profile oval rolling element or rolling element with holes or rolls drum-shaped rolling body or roll ring or cylinder or needle roller or roll drum or roller etc.

Described cylinder body comprises circular cylinder body or elliptic cylinder body or square cylinder body or trapezoidal cylinder body or special-shaped cylinder body or polygonal cylinder body or triangle cylinder body or semicircle cylinder body etc.

Described reciprocal guiding element comprises circular back and forth guiding element or oval back and forth guiding element or square reciprocal guiding element or trapezoidal reciprocal guiding element or special-shaped back and forth guiding element or the reciprocal guiding element of polygonal or the reciprocal guiding element of triangle or semicircle back and forth guiding element etc.

Described Sealing is rubber material, polyurethane material, nylon material, plastic materials and/or metallic material etc.

Described rolling element adopts High Strength Wear-Resistance Material etc., and High Strength Wear-Resistance Material comprises high strength alloy material or highstrenghtpiston or high-strength ceramic or high tensile steel or high strength self lubricating material etc.

Described rolling element is arranged or is arranged on piston bottom or is arranged on the sidepiece of piston or is arranged on top and the bottom etc. of piston along piston periphery.

Described circulation raceway comprises and bears pressures cycle raceway, exempts to bear pressures cycle raceway etc., exempt to bear pressures cycle raceway and cylinder body or piston split setting or exempt to bear pressures cycle raceway and back and forth guiding element or reciprocating member split and arrange etc., it is detachable exempting to bear pressures cycle raceway, convenient observation, maintenance and replacing rolling element etc.

Described circulation raceway bears pressure stage high-abrasive material or High Strength Wear-Resistance Material etc. is set, improve the scurf resistance of raceway etc., improve raceway and bear cylinder body and piston or bear reciprocating member and reciprocal guiding element the performance etc. that imposes on the pressure of raceway by rolling element, reduce piston or cylinder body or reciprocating member or a large amount of uses of reciprocal guiding element to high-abrasive material and High Strength Wear-Resistance Material etc., reduce cylinder body or piston body entirety or the demand to reciprocating member or reciprocal guiding element entirety abrasion resistance and intensity etc.

Described to-and-fro motion rolling friction slag stock pump, it is characterized in that: cylinder body or piston or reciprocating member or back and forth guiding element bear rolling element roll extrusion section and high-abrasive material be set or High Strength Wear-Resistance Material etc. is set, reduce cylinder body or piston or reciprocating member or a large amount of uses of reciprocal guiding element to high-abrasive material and High Strength Wear-Resistance Material etc., the demand of reduction to cylinder body or piston or reciprocating member or reciprocal guiding element entirety abrasion resistance and intensity etc.

Described to-and-fro motion rolling friction slag stock pump, it is characterized in that: described piston or cylinder body or reciprocating member or back and forth guiding element are lightweight material etc., and lightweight material comprises aluminum alloy or highstrenghtpiston or pottery or titanium alloy or carbon fiber or light section or composite material etc.

Described circulation raceway comprises and bears pressures cycle raceway, exempts to bear pressures cycle raceway etc., exempt to bear pressures cycle raceway and do not bear piston and cylinder body and/or reciprocating member and the reciprocal pressure between guiding element etc., bear pressures cycle raceway and bear piston and cylinder body and/or bear reciprocating member and the reciprocal pressure between guiding element etc., bear pressures cycle raceway and be provided with wear resistant coating or be inlaid with High Strength Wear-Resistance Material etc.

Described rolling element comprises roller etc., roller comprises roller shaft etc., roller is arranged between piston and cylinder body or is arranged on reciprocating member and back and forth between guiding element etc., roller and roller shaft split or split is connected or for integral type etc., roller laminating cylinder body rolling etc. in the time that roller shaft is fixed on piston, roller laminating piston rolling etc. in the time that roller shaft is fixed on cylinder body, prevent piston and cylinder body laminating sliding friction etc., and/or the roller reciprocal guiding element rolling etc. of fitting in the time that roller shaft is fixed on reciprocating member, roller laminating reciprocating member rolling etc. in the time that roller shaft is fixed on reciprocal guiding element, prevent reciprocating member and reciprocal guiding element laminating sliding friction etc.

Described rolling element comprises roller etc., projection, depression, V groove or curvilinerar figure etc. are made in the surface of roller, the shape of cylinder body and roller contact face is interlocked with the shape of roller surface etc., and/or reciprocating member or back and forth the shape of guiding element and roller contact face be interlocked etc. with the shape of roller surface, be straight reciprocating motion by the motion of rolling friction control piston or reciprocating member etc.

Described rolling element is self lubricating material or High Strength Wear-Resistance Material etc.

The one or both ends of described piston or be provided with anti-damage mechanism etc., anti-damage mechanism comprises rotational structure etc., and the rotational structure of anti-damage mechanism is set to joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or arc buckle-groove type etc.

The one or both ends of described reciprocating member or be provided with anti-damage mechanism etc., anti-damage mechanism comprises rotational structure etc., and the rotational structure of anti-damage mechanism is set to joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or arc buckle-groove type etc.

The invention has the beneficial effects as follows:

The present invention has the following advantages:

(1) rolling element is arranged on piston or cylinder body or reciprocal guiding element or reciprocating member etc., make piston or cylinder body by rolling friction to-and-fro motion make reciprocal guiding element or reciprocating member by rolling friction to-and-fro motion, greatly reduced by Sealing and supported reciprocating sliding-frictional resistance.

(2) on piston or cylinder body or at reciprocal guiding element or the first-class circulation raceway that arranges of reciprocating member, rolling element is covered with to circulation raceway, improve holding strength and the amplitude of rolling element to piston and cylinder body or reciprocal guiding element and reciprocating member, change former piston or cylinder body or back and forth made rolling element and piston or cylinder body or reciprocal guiding element or reciprocating member have the defect of serious sliding friction without rolling stroke on guiding element or reciprocating member, change and can not be covered with reciprocal raceway because of the rolling element in reciprocal raceway, make rolling element to piston and cylinder body or can only work in a part of region that has rolling element to the rolling support of reciprocal guiding element and reciprocating member, and back and forth raceway easily makes piston and cylinder body or makes reciprocal guiding element and reciprocating member collision friction without the part of rolling element, cause the structure of machine breakdown.Circulation raceway makes between piston, cylinder body and rolling element and/or makes between reciprocal guiding element, reciprocating member and rolling element at the volley all in rolling friction state, reduce the sliding-frictional resistance between piston, cylinder body and rolling element and/or reduced the sliding-frictional resistance between reciprocal guiding element, reciprocating member and rolling element, greatly reduce the running resistance of slag stock pump, improve reciprocating speed, improved working efficiency.

(3) piston supports by rolling element, remove the support function of Sealing from, can make Sealing only seal and not play a supportive role, reduce the rigidity requirement to Sealing, can make the high-abrasive material of Sealing use softer, wear-resistant degree and the sealing life of having improved Sealing.

(4) piston supports by rolling element, has removed the support function of Sealing to piston from, can make Sealing only seal and not play a supportive role, and has reduced the thickness of Sealing, has reduced friction area and the intensity of Sealing and cylinder body.

(5) anti-tamper structure is by rotating reciprocating piston or cylinder body or reciprocal guiding element or reciprocating member guiding, reduce the damage to Sealing, can make inside and outside Sealing only seal and not play a supportive role, reduce the rigidity requirement of internal outside seal, can make inside and outside Sealing use the high-abrasive material of softer, wear-resistant degree and the sealing life of having improved interior outside seal.

(6) anti-tamper structure has prevented the damage to piston or reciprocating member by rotation, Sun Huai not even if crank-connecting rod is connected with piston or reciprocating member also not to cause to turn round to piston or reciprocating member.

(7) piston is by rolling friction to-and-fro motion in cylinder body, or reciprocating member is by rolling friction to-and-fro motion in reciprocal guiding element, the support strength of rolling element is greater than the support strength of Sealing and has reduced surface friction drag, when piston or reciprocating member volume weight large, cylinder body or reciprocal guiding element cavity are large, piston uses rolling element support piston or reciprocating member when cavity and/or reciprocating member are had to larger gravity frictional force to reciprocal guiding element, move in cylinder body by rolling friction piston or move in reciprocal guiding element by rolling friction reciprocating member, not only can capable of reducing friction resistance but also can improve the reciprocating speed of slag stock pump, make this slag stock pump be more suitable for multiple dynamic strength large, turn round other power large, the scene that driver frequency is high.

(8) rolling element uses High Strength Wear-Resistance Material support piston and/or reciprocating member rolling friction to-and-fro motion, the sliding friction of more original slag stock pump, and surface friction drag reduces greatly, long service life, amount of maintenance is few, and working efficiency is high.

(9) because circulation raceway makes piston and cylinder body or make reciprocal guiding element and reciprocating member rolling friction to-and-fro motion under the support of rolling element, greatly reduce power consumption, reduce the power load of other supporting auxiliary members, improve the life-span of other auxiliary members, reduce the related investment number of integral device, energy-efficient.

(10) circulation raceway and piston or cylinder body or reciprocal guiding element or reciprocating member etc. are integral type, reduce and manufactured also operation and the spillage of material of stringing bearing, reduce the shared space of mosaic component, circulation raceway and piston or cylinder body or back and forth guiding element or reciprocating member are integral type, structural strength is large, space availability ratio is high, limited space is used for increasing to the volume of rolling element, improve the bearing capacity of rolling element, strengthen the area of contact of rolling element and piston or cylinder body or reciprocal guiding element or reciprocating member, reduced because of rolling element too small to piston or cylinder body or back and forth guiding element or the problem such as reciprocating member local pressure is excessive and abrasive forces is excessive.

(11)) bear pressures cycle raceway or avoid pressures cycle raceway split setting, avoiding pressures cycle raceway and be set to detachablely, the convenient installation, maintenance to circulation raceway, is convenient for changing rolling element.

(12) bearing pressure stage at circulation raceway arranges high-abrasive material or High Strength Wear-Resistance Material is set, improve the scurf resistance of raceway, improve the ability that raceway bears piston or cylinder body or reciprocal guiding element or reciprocating member pressure, high-abrasive material is set in part or High Strength Wear-Resistance Material is set, save piston and cylinder body or back and forth guiding element and a large amount of uses of reciprocating member to high-abrasive material and high-strength material, reduced the requirement to piston or cylinder body or reciprocal guiding element or reciprocating member entirety abrasion resistance and intensity.

(13) bearing pressures cycle raceway is provided with wear resistant coating or is inlaid with High Strength Wear-Resistance Material, scurf resistance and the bearing capacity of circulation raceway are improved, rolling element close arrangement has uniform extruding force to High Strength Wear-Resistance Material on High Strength Wear-Resistance Material, and therefore High Strength Wear-Resistance Material can local shedding or distortion.

(14) at piston or cylinder body or back and forth guiding element or reciprocating member bear larger pressure friction area circulation raceway is set, make rolling element in circulation raceway, roll and bear extruding force, frictional force and pressure are applied on rolling element, can reduce scurf resistance and the bearing strength of piston or cylinder body or reciprocal guiding element or reciprocating member entirety, make piston or cylinder body or reciprocal guiding element or reciprocating member use lightweight material, reduce the weight of reciprocating piston or cylinder body or reciprocal guiding element or reciprocating member, thereby reduce reciprocating piston or cylinder body or back and forth guiding element or the consumption of reciprocating member to energy.

(15) this to-and-fro motion rolling friction slag stock pump is simple in structure, and structural strength is large, and space utilization efficiency is high, reliable performance, and manufacturability is strong, and processing and fabricating is simple and easy, and operational efficiency is high, and energy-saving and cost-reducing, amount of maintenance is few, long service life.

(16) this slag stock pump can be as water pump, slurry pump, oil well pump, the uses such as pump that float, and than original water pump, slurry pump, oil well pump, quick-boil that the pumps such as pump are energy-saving and cost-reducing, wearing and tearing are few, noise is low, efficiency is high, maintenance is low, safe.

Brief description of the drawings

Fig. 1 is the structural representation of to-and-fro motion rolling friction slag stock pump in embodiment 1;

Fig. 2 is the structural representation of to-and-fro motion rolling friction slag stock pump in embodiment 2;

Fig. 3 is the partial enlarged drawing of to-and-fro motion rolling friction slag stock pump in embodiment 3;

Fig. 4 is the sectional view of to-and-fro motion rolling friction slag stock pump A-A direction in embodiment 3;

Fig. 5 is the plan view of the reciprocal guiding element part of to-and-fro motion rolling friction slag stock pump in embodiment 4;

Fig. 6 is the sectional view of to-and-fro motion rolling friction slag stock pump A-A direction in embodiment 4;

Fig. 7 is the plan view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 5;

Fig. 8 is the left view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 5;

Fig. 9 is the plan view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 6;

Figure 10 is the left view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 6;

Figure 11 is the plan view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 7;

Figure 12 is the plan view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 8;

Figure 13 is the plan view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 9;

Figure 14 is the left view of the reciprocal guiding element part of to-and-fro motion rolling friction slag stock pump in embodiment 10;

Figure 15 is the plan view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 11;

Figure 16 is the plan view of the reciprocal guiding element part of to-and-fro motion rolling friction slag stock pump in embodiment 12;

Figure 17 is the left view of the reciprocal guiding element part of to-and-fro motion rolling friction slag stock pump in embodiment 13;

Figure 18 is the left view of to-and-fro motion rolling friction slag stock pump cylinder part in embodiment 14;

In figure: 1, power plant; 2, the pump housing; 3, cylinder body; 4, piston; 5, piston rod; 6, rolling element; 7, discharging one-way valve; 8, feed check valve; 9, Sealing; 10, anti-tamper structure; 11, reciprocating member; 12, circulation raceway; 13, reciprocal guiding element, 14, retainer; 15, wear resistant coating or High Strength Wear-Resistance Material 16, bear pressures cycle raceway; 17, exempt to bear pressures cycle raceway.

Embodiment

Embodiment 1

Fig. 1 is the to-and-fro motion rolling friction slag stock pump described in embodiment 1, comprise power plant 1, the pump housing 2, it is characterized in that: the pump housing 2 comprises cylinder body 3, piston 4, piston rod 5, reciprocating member 11, back and forth guiding element 13, rolling element 6, discharging one-way valve 7, feed check valve 8, rolling element 6 is arranged at piston 4 and rolling element 6 parts protrude from piston 4 surfaces, rolling element 6 is arranged at reciprocating member 11 and rolling element 6 parts protrude from reciprocating member 11 surfaces, piston 4 is arranged in cylinder body 3, reciprocating member 11 is arranged in reciprocal guiding element 13, protrude from the rolling element 6 and cylinder body 3 Surface Contacts on piston 4 surfaces, protrude from the rolling element 6 and reciprocal guiding element 13 Surface Contacts on reciprocating member 11 surfaces, piston 4 bodies not with cylinder body 3 Surface Contacts, reciprocating member 11 not with reciprocal guiding element 13 Surface Contacts, piston rod 5 and piston 4 splits, piston rod 5 one end are connected with piston 4, the other end is connected with reciprocating member 11, the other end of reciprocating member 11 is connected with power plant 1, power plant 1 are controlled reciprocating member 11 to-and-fro motion, reciprocating member 11 drives piston rod 5 to-and-fro motion, piston rod 5 drives piston 4 to-and-fro motion, piston 4 retreats feed check valve 8 and opens, discharging one-way valve 7 is closed, make slag slurry or liquid enter the pump housing 2 through feed check valve 8, piston 4 feed check valve 8 that moves ahead is closed, and discharging one-way valve 7 is opened, and slag slurry or liquid are discharged through discharging one-way valve 7 by the pump housing 2.

Described piston 4 is provided with Sealing 9, and Sealing 9 is arranged between piston 4 and cylinder body 3, prevents that slag slurry or liquid or gas from entering opposite side from a side of piston 4, and rolling element 6 is by 4 to-and-fro motion of rolling friction support piston.

Described Sealing 9 can be O type circle or slip ring or elastomer or back-up ring or support ring or seal ring or star-like circle or V-type ring or U-shaped circle or spring or stage clip or pressure ring or opening seal ring.

Described Sealing can be rubber material, polyurethane material, nylon material, plastic materials profit/or metallic material.

Embodiment 2

Fig. 2 is the to-and-fro motion rolling friction slag stock pump described in embodiment 2, comprise power plant 1, the pump housing 2, it is characterized in that: the pump housing 2 comprises cylinder body 3, piston 4, piston rod 5, reciprocating member 11, back and forth guiding element 13, rolling element 6, discharging one-way valve 7, feed check valve 8, circulation raceway 12 is set on piston 4, circulation raceway 12 is set on reciprocating member 11, circulation raceway 12 is integral type with piston, piston 4 is arranged in cylinder body 3, reciprocating member 11 is arranged in reciprocal guiding element 13, rolling element 6 is arranged in circulation raceway 12, the rolling element 6 that exposes circulation raceway 12 and cylinder body 3 surfaces and/or with the surperficial Surface Contact of reciprocal guiding element 13, piston 4 bodies not with cylinder body 3 Surface Contacts, reciprocating member 11 bodies not with reciprocal guiding element 13 Surface Contacts, piston rod 5 is with piston 4 splits or be integral type, piston rod 5 one end are connected with piston 4, the other end is connected with reciprocating member 11, the other end of reciprocating member 11 is connected with power plant 1, and power plant 1 are controlled reciprocating member 11 to-and-fro motion, and reciprocating member 11 drives piston rod 5 to-and-fro motion, piston rod 5 drives piston 4 to-and-fro motion, piston 4 retreats feed check valve 8 and opens, and discharging one-way valve 7 is closed, and makes slag slurry or liquid enter the pump housing 2 through feed check valve 8, piston 4 feed check valve 8 that moves ahead is closed, and discharging one-way valve 7 is opened, and slag slurry or liquid are discharged through discharging one-way valve 7 by the pump housing 2.

Described power plant 1 can be crank connecting rod power device or linear electric motor power plant or hydraulic power unit or Pneumatic propelling plant, and power plant 1 drive reciprocating member to-and-fro motion.

Described rolling element 6 close arrangement in circulation raceway 12, the length of circulation raceway 12 is suitable for, with rolling element 6 support piston 4 and cylinder body 3 and/or support reciprocating member 11 and reciprocal guiding element 13, preventing piston 4 and cylinder body 3 or reciprocating member 11 and reciprocal guiding element 13 contact slide frictions.

Other are with embodiment 1.

Embodiment 3

Fig. 3, Fig. 4 are the reciprocal guiding element parts of the to-and-fro motion rolling friction slag stock pump described in embodiment 3, rolling element 6 is roller, roller comprises roller shaft, roller is arranged between reciprocating member 11 and reciprocal guiding element 13, roller is connected with roller shaft split, roller shaft is fixed on reciprocating member 11, and the roller reciprocal guiding element 13 of fitting rolls, and prevents the sliding friction of fitting of reciprocating member 11 and reciprocal guiding element 13.

Described roller can also be arranged between piston 4 and cylinder body 3, and roller is connected with roller shaft split, and roller shaft is fixed on piston 4, and roller laminating cylinder body 3 rolls, and prevents the sliding friction of fitting of piston 4 and cylinder body 3.

Other are with embodiment 1.

Embodiment 4

Fig. 5, Fig. 6 are the reciprocal guiding element parts of the to-and-fro motion rolling friction slag stock pump described in embodiment 4, circulation raceway 12 is annular circulation raceway, annular circulation raceway is arranged symmetrically along vibration-direction, rolling element in annular circulation raceway with to-and-fro motion circulating rolling.

Described annular circulation raceway can be arranged ringwise or be single layout along vibration-direction.

Other are with embodiment 1.

Embodiment 5

Fig. 7, Fig. 8 are the cylinder parts of the to-and-fro motion rolling friction slag stock pump described in embodiment 5, circulation raceway 12 is spirality circulation raceway, spirality circulation raceway is arranged on piston 4, rolling element 6 in spirality circulation raceway along spiral rolling track circulating rolling, the continuous cyclical-transformation in position of pressure between rolling element 6 loading pistons 4 and cylinder body 3, reduces rolling element 6 and in circulation raceway 12, rolls and be always in piston 4 and the probability of strong pressure and wearing and tearing was born in cylinder body 3 parts.

Described spirality circulation raceway can also be arranged on cylinder body 3 or reciprocating member 11 or reciprocal guiding element 13.

Other are with embodiment 1.

Embodiment 6

Fig. 9, Figure 10 are the cylinder parts of the to-and-fro motion rolling friction slag stock pump described in embodiment 6, and circulation raceway 12 is arranged on cylinder body 3, and rolling element 6 is for rolling drum, and cylinder body 3 is square cylinder body, and piston 4 is square piston.

Described rolling element 6 can also or roll drum-shaped rolling body or roll ring or cylinder or needle roller for spherical rolling body or oval rolling element or dumbbell-like shape rolling element or cylindrical rolling element or ring rolling element or platform shape post rolling element or platform shape ball rolling element or platform shape drum rolling element or flute profile drum rolling element or channel column rolling element or flute profile ball rolling element or flute profile oval rolling element or rolling element with holes.

Described cylinder body can also be circular cylinder body or elliptic cylinder body or trapezoidal cylinder body or special-shaped cylinder body or polygonal cylinder body or triangle cylinder body or semicircle cylinder body.

Other are with embodiment 1.

Embodiment 7

Figure 11 is the cylinder part of the to-and-fro motion rolling friction slag stock pump described in embodiment 7, piston 4 comprises the rolling element limit structure that prevents that rolling element from coming off, rolling element limit structure is pit, and rolling element limit structure and piston 4 are integral type, and rolling element 6 rolls in rolling element limit structure.

Other are with embodiment 1.

Embodiment 8

Figure 12 is the cylinder part of the to-and-fro motion rolling friction slag stock pump described in embodiment 8, piston 4 comprises the rolling element limit structure that prevents that rolling element from coming off, rolling element limit structure is retainer, and rolling element limit structure is fixedly connected with piston 4, and rolling element 6 rolls in rolling element limit structure.

Described rolling element limit structure can also be raceway or groove or I-shaped or arc or V-arrangement or ellipse or polygonal or limiting board or stop collar or limit dais or bulb groove or position limit cycle or position-limited lever or jump ring, and rolling element limit structure is fixedly connected with piston or cylinder body or is integral type.

Other are with embodiment 1.

Embodiment 9

Figure 13 is the cylinder part of the to-and-fro motion rolling friction slag stock pump described in embodiment 9, retainer 14 is arranged in circulation raceway 12, rolling element 6 is arranged in retainer 14 and is arranged in circulation raceway 12, the thickness of retainer 14 is less than the diameter of rolling element 6, two-part that rolling element 6 exceeds retainer 14 are arranged at respectively circulation raceway 12 and cylinder body 3, prevent reverse friction between rolling element 6 and rolling element 6.

Other are with embodiment 1.

Embodiment 10

Figure 14 is the reciprocal guiding element part of the to-and-fro motion rolling friction slag stock pump described in embodiment 10, and rolling element 6 is roller, and reciprocating member 11 is square reciprocating member, and back and forth guiding element 13 is square reciprocal guiding element.

Described reciprocal guiding element 13 can also be circular back and forth guiding element or oval back and forth guiding element or trapezoidal reciprocal guiding element or special-shaped back and forth guiding element or the reciprocal guiding element of polygonal or the reciprocal guiding element of triangle or semicircle back and forth guiding element.

Other are with embodiment 1.

Embodiment 11

Figure 15 is the cylinder part of the to-and-fro motion rolling friction slag stock pump described in embodiment 11, circulation raceway comprises and bears pressures cycle raceway 16, exempt to bear pressures cycle raceway 17, exempt to bear pressures cycle raceway 17 and piston 4 split settings, exempt to bear pressures cycle raceway 17 for detachable, convenient observation, maintenance and replacing rolling element, exempt to bear pressures cycle raceway 17 and do not bear the pressure between piston 4 and cylinder body 3, bear pressures cycle raceway 16 and bear the pressure between piston 4 and cylinder body 3, bear pressures cycle raceway 16 and be provided with wear resistant coating or High Strength Wear-Resistance Material 15.

Other are with embodiment 1.

Embodiment 12

Figure 16 is the reciprocal guiding element part of the to-and-fro motion rolling friction slag stock pump described in embodiment 12, and one end of reciprocating member 11 is provided with anti-tamper structure 10, and anti-tamper structure 10 is universal joint cross, and anti-tamper structure 10 is rotated isolation to-and-fro motion reaction damageability.

Described anti-tamper structure 10 can be arranged on reciprocating member 11 two ends.

Described anti-tamper structure 10 can be arranged on the one or both ends of piston 4.

Described anti-tamper structure 10 can also be joint shaft bearing, steering union joint, rzeppa universal joint, bulb buckle-groove type or arc buckle-groove type.

Other are with embodiment 1.

Embodiment 13

Figure 17 is the reciprocal guiding element part of the to-and-fro motion rolling friction slag stock pump described in embodiment 13, rolling element 6 is roller, roller comprises roller shaft, roller is arranged between reciprocating member 11 and reciprocal guiding element 13, roller shaft is fixed on reciprocal guiding element, and roller laminating reciprocating member 11 rolls, the surface of the roller shape that is in depression, reciprocating member 11 is interlocked with the shape of roller surface with the shape of roller contact face, is straight reciprocating motion by the motion of rolling friction control reciprocating member 11.

Other are with embodiment 1.

Embodiment 14

Figure 18 is the cylinder part of the to-and-fro motion rolling friction slag stock pump described in embodiment 14, rolling element 6 is roller, roller comprises roller shaft, roller is arranged between piston 4 and cylinder body 3, roller shaft is fixed on piston 4, and roller laminating cylinder body 3 rolls, and curvilinerar figure is made on the surface of roller, cylinder body 3 is interlocked with the shape of roller surface with the shape of roller contact face, is straight line motion by the motion of rolling friction control piston 4.

Other are with embodiment 1.

Claims (24)

1. a method for slag stock pump to-and-fro motion rolling friction, the method realizes by following steps:

Step 1: the pump housing is set, cylinder body is set on the pump housing, piston, reciprocating member, rolling element, back and forth guiding element, rolling element is arranged to piston and a rolling element part is protruded to piston face and/or rolling element is arranged to reciprocating member and a rolling element part is protruded to reciprocating member surface, piston is arranged in cylinder body, reciprocating member is arranged in reciprocal guiding element, make the rolling element that protrudes from piston face contact with cylinder surface and/or the rolling element that protrudes from reciprocating member surface is contacted with reciprocal guide surface, piston only is not contacted with cylinder surface and/or reciprocating member is not contacted with reciprocal guide surface, rolling element support piston and cylinder body and/or support reciprocating member do relatively reciprocating motion with reciprocal guiding element rolling friction,

Step 2: Sealing is set on piston, prevents that slag slurry or liquid or gas from entering opposite side from a side of piston, rolling element, by the to-and-fro motion of rolling friction support piston, reduces the running resistance of piston, improves piston movement speed, and Sealing is done sealing and used;

Step 3: feed check valve, discharging one-way valve are set on the pump housing;

Step 4: power plant are set, and power plant are set to crank connecting rod power device or linear electric motor power plant or hydraulic power unit or Pneumatic propelling plant, power plant drive reciprocating motion of the pistons;

Step 5: when piston retreats, make slag slurry or liquid enter the pump housing by feed check valve, when piston-advance, slag slurry or liquid are discharged by pump housing discharging one-way valve.

2. the method for slag stock pump to-and-fro motion rolling friction according to claim 1, the method realizes by following steps: step 1: the pump housing is set, cylinder body is set on the pump housing, piston, reciprocating member, rolling element, back and forth guiding element, on piston or on cylinder body or on reciprocating member or on reciprocal guiding element, circulation raceway is being set, piston is arranged in cylinder body, reciprocating member is arranged in reciprocal guiding element, rolling element is arranged in circulation raceway, make to expose the rolling element of circulation raceway and cylinder surface or with piston face or back and forth guide surface or reciprocating member Surface Contact, piston only is not contacted with cylinder surface and/or reciprocating member is not contacted with reciprocal guide surface, rolling element support piston and cylinder body and/or support reciprocating member do relatively reciprocating motion with reciprocal guiding element rolling friction,

Step 2: Sealing is set on piston, Sealing is arranged between the one or both sides or front and back circulation raceway of circulation raceway, prevent that liquid or gas from entering opposite side from a side of piston, rolling element is by the to-and-fro motion of rolling friction support piston, reduce the running resistance of piston, improve piston movement speed, Sealing is done sealing and is used.

3. the method for slag stock pump to-and-fro motion rolling friction according to claim 1, the feature of the method is: on piston and/or on reciprocating member, be provided with the raceway, groove, retainer, limiting board, position limit cycle, stop collar, limit dais, position-limited lever, roller shaft or the jump ring that prevent rolling element and come off from piston and form rolling element limit structure, the position that makes rolling element limit structure restriction rolling element, is arranged at rolling element limit structure by rolling element.

4. the method for slag stock pump to-and-fro motion rolling friction according to claim 1, the method realizes by following steps: step 1: the pump housing is set, cylinder body is set on the pump housing, piston, reciprocating member, rolling element, back and forth guiding element, rolling element is arranged to piston and a rolling element part is protruded to piston face and/or rolling element is arranged to reciprocating member and a rolling element part is protruded to reciprocating member surface, piston is arranged in cylinder body, reciprocating member is arranged in reciprocal guiding element, make the rolling element that protrudes from piston face contact with cylinder surface and/or the rolling element that protrudes from reciprocating member surface is contacted with reciprocal guide surface, piston only is not contacted with cylinder surface and/or reciprocating member is not contacted with reciprocal guide surface, rolling element support piston and cylinder body and/or support reciprocating member do relatively reciprocating motion with reciprocal guiding element rolling friction,

Step 2: anti-tamper structure is set in one end of piston or reciprocating member, anti-tamper structure is set to multidirectional rotary structure, and the multidirectional rotary structure of anti-tamper structure is set to joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or arc buckle-groove type;

Step 3: multidirectional rotary structure and the piston of anti-tamper structure are used in conjunction with, make joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or the arc buckle-groove type of multidirectional rotary structure rotate isolation to-and-fro motion reaction damageability.

5. the method for slag stock pump to-and-fro motion rolling friction according to claim 2, the feature of the method is: make being equal in weight or substantially equating of two ends beyond rolling element and piston or reciprocating member superposition section central point, keep rolling element support piston or reciprocating member is static and gravity relative equilibrium when motion state.

6. one kind implements the claims 1, realize the to-and-fro motion rolling friction slag stock pump of to-and-fro motion rolling friction method, comprise power plant, the pump housing, it is characterized in that: the pump housing comprises cylinder body, piston, piston rod, reciprocating member, back and forth guiding element, rolling element, discharging one-way valve, feed check valve, rolling element is arranged at piston and a rolling element part protrudes from piston face and/or rolling element is arranged at reciprocating member and a rolling element part protrudes from reciprocating member surface, piston is arranged in cylinder body, reciprocating member is arranged in reciprocal guiding element, the rolling element that protrudes from piston face contacts with cylinder surface, the rolling element that protrudes from reciprocating member surface contacts with reciprocal guide surface, piston only does not contact with cylinder surface, reciprocating member does not contact with reciprocal guide surface, piston rod and piston split or be integral type, piston rod one end is connected with piston, the other end is connected with reciprocating member, the other end of reciprocating member is connected with power plant, the to-and-fro motion of power plant control reciprocating member, reciprocating member drives piston rod to-and-fro motion, piston rod drives reciprocating motion of the pistons, piston retreats feed check valve and opens, discharging closed check valve, make slag slurry or liquid enter the pump housing through feed check valve, the piston feed check valve that moves ahead is closed, and discharging one-way valve opens makes slag slurry or liquid be discharged through discharging one-way valve by the pump housing.

7. to-and-fro motion rolling friction slag stock pump according to claim 6, comprise power plant, the pump housing, it is characterized in that: the pump housing comprises cylinder body, piston, piston rod, reciprocating member, back and forth guiding element, rolling element, discharging one-way valve, feed check valve, circulation raceway being set on piston and/or circulation is set on reciprocating member rolls logical, circulation raceway is connected with piston split or is integral type, piston is arranged in cylinder body, reciprocating member is arranged in reciprocal guiding element, rolling element is arranged in circulation raceway, expose the rolling element of circulation raceway and cylinder surface and/or with reciprocal guide surface Surface Contact, piston only does not contact with cylinder surface, reciprocating member body does not contact with reciprocal guide surface, piston rod and piston split or be integral type, piston rod one end is connected with piston, the other end is connected with reciprocating member, the other end of reciprocating member is connected with power plant, the to-and-fro motion of power plant control reciprocating member, and reciprocating member drives piston rod to-and-fro motion, piston rod drives reciprocating motion of the pistons, piston retreats feed check valve and opens, and discharging closed check valve makes slag slurry or liquid enter the pump housing through feed check valve, the piston feed check valve that moves ahead is closed, and discharging one-way valve opens makes slag slurry or liquid be discharged through discharging one-way valve by the pump housing.

8. to-and-fro motion rolling friction slag stock pump according to claim 6, it is characterized in that: described piston is provided with Sealing, Sealing is arranged between piston and cylinder body, prevent that slag slurry or liquid or gas from entering opposite side from a side of piston, rolling element is by the to-and-fro motion of rolling friction support piston.

9. to-and-fro motion rolling friction slag stock pump according to claim 8, is characterized in that: described Sealing comprises O type circle or slip ring or elastomer or back-up ring or support ring or seal ring or star-like circle or V-type ring or U-shaped circle or spring or stage clip or pressure ring or opening seal ring.

10. to-and-fro motion rolling friction slag stock pump according to claim 7, it is characterized in that: described circulation raceway comprises annular circulation raceway, annular circulation raceway arranges ringwise or is single layout or is arranged symmetrically along vibration-direction, rolling element in annular circulation raceway with to-and-fro motion circulating rolling.

11. to-and-fro motion rolling friction slag stock pumps according to claim 7, it is characterized in that: described circulation raceway comprises spirality circulation raceway, spirality circulation raceway is arranged on piston or cylinder body or reciprocating member or reciprocal guiding element, rolling element in spirality circulation raceway along spiral rolling track circulating rolling, pressure and/or carrying reciprocating member and the back and forth continuous cyclical-transformation in position of pressure between guiding element between rolling element loading piston and cylinder body, reduce rolling element rolls and is always in piston and cylinder body or reciprocating member and reciprocal guiding element part and bore the probability of strong pressure and wearing and tearing in circulation raceway.

12. to-and-fro motion rolling friction slag stock pumps according to claim 6, is characterized in that: described piston or cylinder body or reciprocating member or back and forth guiding element comprise the rolling element limit structure that prevents that rolling element from coming off, and rolling element rolls in rolling element limit structure.

13. to-and-fro motion rolling friction slag stock pumps according to claim 12, it is characterized in that: described rolling element limit structure comprises raceway or groove or I-shaped or arc or V-arrangement or ellipse or polygonal or retainer or limiting board or stop collar or limit dais or bulb groove or pit or position limit cycle or position-limited lever or jump ring, rolling element limit structure is fixedly connected with piston or cylinder body or is integral type.

14. to-and-fro motion rolling friction slag stock pumps according to claim 13, it is characterized in that: described retainer is arranged in circulation raceway, rolling element is arranged in retainer and is arranged in circulation raceway, the thickness of retainer is less than the diameter of rolling element, two-part that rolling element exceeds retainer are arranged at respectively circulation raceway and piston or cylinder body or reciprocating member or reciprocal guiding element, prevent reverse friction between rolling element and rolling element.

15. to-and-fro motion rolling friction slag stock pumps according to claim 6, is characterized in that: described rolling element comprises spherical rolling body or oval rolling element or dumbbell-like shape rolling element or cylindrical rolling element or ring rolling element or platform shape post rolling element or platform shape ball rolling element or platform shape drum rolling element or flute profile drum rolling element or channel column rolling element or flute profile ball rolling element or flute profile oval rolling element or rolling element with holes or rolls drum-shaped rolling body or roll ring or cylinder or needle roller or roll drum or roller.

16. to-and-fro motion rolling friction slag stock pumps according to claim 6, is characterized in that: described cylinder body comprises circular cylinder body or elliptic cylinder body or square cylinder body or trapezoidal cylinder body or special-shaped cylinder body or polygonal cylinder body or triangle cylinder body or semicircle cylinder body.

17. to-and-fro motion rolling friction slag stock pumps according to claim 6, is characterized in that: described reciprocal guiding element comprises circular back and forth guiding element or oval back and forth guiding element or square reciprocal guiding element or trapezoidal reciprocal guiding element or special-shaped back and forth guiding element or the reciprocal guiding element of polygonal or the reciprocal guiding element of triangle or semicircle back and forth guiding element.

18. to-and-fro motion rolling friction slag stock pumps according to claim 6, is characterized in that: described rolling element is arranged or is arranged on piston bottom or is arranged on the sidepiece of piston or is arranged on top and the bottom of piston along piston periphery.

19. to-and-fro motion rolling friction slag stock pumps according to claim 7, it is characterized in that: described circulation raceway comprises and bears pressures cycle raceway, exempts to bear pressures cycle raceway, exempt to bear pressures cycle raceway and cylinder body or piston split setting or exempt to bear pressures cycle raceway and back and forth guiding element or reciprocating member split setting, it is detachable exempting to bear pressures cycle raceway, convenient observation, maintenance and replacing rolling element.

20. to-and-fro motion rolling friction slag stock pumps according to claim 7, it is characterized in that: described circulation raceway comprises and bears pressures cycle raceway, exempts to bear pressures cycle raceway, exempt to bear pressures cycle raceway and do not bear the pressure between piston and cylinder body and/or reciprocating member and reciprocal guiding element, bear pressures cycle raceway and bear piston and cylinder body and/or bear reciprocating member and the reciprocal pressure between guiding element, bear pressures cycle raceway and be provided with wear resistant coating or be inlaid with High Strength Wear-Resistance Material.

21. to-and-fro motion rolling friction slag stock pumps according to claim 6, it is characterized in that: described rolling element comprises roller, roller comprises roller shaft, roller is arranged between piston and cylinder body or is arranged on reciprocating member and back and forth between guiding element, roller and roller shaft split or split is connected or be integral type, in the time that roller shaft is fixed on piston, roller laminating cylinder body rolls, prevent piston and cylinder body laminating sliding friction, and/or in the time that roller shaft is fixed on reciprocating member, fit reciprocal guiding element of roller rolls, and prevents reciprocating member and back and forth guiding element laminating sliding friction.

22. to-and-fro motion power rolling friction slag stock pumps according to claim 6, it is characterized in that: described rolling element comprises roller, projection, depression, V grain or curvilinerar figure are made in the surface of roller, the shape of cylinder body and roller contact face is interlocked with the shape of roller surface, and/or back and forth the shape of guiding element and roller contact face is interlocked with the shape of roller surface, is straight reciprocating motion by the motion of rolling friction control piston or reciprocating member.

23. to-and-fro motion rolling friction slag stock pumps according to claim 6, it is characterized in that: the one or both ends of described piston are provided with anti-tamper structure, anti-tamper structure comprises rotational structure, and the rotational structure of anti-tamper structure is set to joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or arc buckle-groove type.

24. to-and-fro motion rolling friction slag stock pumps according to claim 6, it is characterized in that: the one or both ends of described reciprocating member are provided with anti-tamper structure, anti-tamper structure comprises rotational structure, and the rotational structure of anti-tamper structure is set to joint shaft bearing, steering union joint, rzeppa universal joint, universal joint cross, bulb buckle-groove type or arc buckle-groove type.