CN107165797A - It is a kind of to optimize the reciprocating pump that power end is connected with fluid end - Google Patents

It is a kind of to optimize the reciprocating pump that power end is connected with fluid end Download PDF

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Publication number
CN107165797A
CN107165797A CN201710588373.9A CN201710588373A CN107165797A CN 107165797 A CN107165797 A CN 107165797A CN 201710588373 A CN201710588373 A CN 201710588373A CN 107165797 A CN107165797 A CN 107165797A
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CN
China
Prior art keywords
plane
fuselage
pump housing
filler
medium
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Application number
CN201710588373.9A
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Chinese (zh)
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CN107165797B (en
Inventor
陈明海
张生昌
刘和平
陈英峰
张鹤
柯西
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Ningbo Heli Pump Ltd By Share Ltd
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Ningbo Heli Pump Ltd By Share Ltd
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Publication date
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Priority to CN201710588373.9A priority Critical patent/CN107165797B/en
Publication of CN107165797A publication Critical patent/CN107165797A/en
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Publication of CN107165797B publication Critical patent/CN107165797B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/02Packing the free space between cylinders and pistons

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

Optimize the reciprocating pump that power end is connected with fluid end the present invention relates to a kind of, be that the face for engaging fuselage with the pump housing is designed to inclined-plane, and the inclined-plane and one obtuse angle of fuselage center formation;The face that the pump housing is engaged with fuselage is also designed to the inclined-plane of same angle, fuselage inclined-plane is set to be fitted with the pump housing inclined-plane matching, and provided with the location structure being made up of positioning hole and centring ring between fuselage inclined-plane and pump housing inclined-plane, so that fuselage and the pump housing are mutually located into fixation, and the center line of plunger and the center line of crosshead is set to keep in a straight line.It is 90 degree of structures connected vertically that the power end of its change conventional reciprocating pump, which is connected binding face with fluid end, and it is changed to inclined-plane connection, the parts such as plunger, filler, guide sleeve are so conducive to be arranged in the pump housing, sealed letter body is not needed to be fixed on the pump housing, so overall kinetic end length can be reduced, letter body length is fixed on the pump housing on fuselage using centring ring, reduces multiple positioning datums and improves assembly precision, is more beneficial for improving the life-span of consumable accessory.

Description

It is a kind of to optimize the reciprocating pump that power end is connected with fluid end
Technical field
The present invention relates to a kind of reciprocating pump.
Background technology
Reciprocating pump generally can be divided into plunger type, piston type.Plunger type plunger and filler, friction pair is sealed into, piston type is lived It is friction pair to fill in leather cup and cylinder sleeve, the two all for medium the need for select.Power end is crank, connecting rod, crosshead connection Structure, the composition of pump can be divided into power end, prime mover of fluid end and general assembly part, transmission mechanism and constitute a sled formula device. Conventional Reciprocatin pump power end and fluid end binding face be 90 degree it is vertical be connected, by the excircle orientation of sealed letter body in power (also have and positioned using the fluid end pump housing and fuselage straight pin) on the fuselage at end.The plane of the fluid end pump housing is attached to fuselage The motion and the plunger keeping parallelism in hydraulic end sealed letter body for ensureing power end crosshead on vertical plane take the air line.Due to The traditional structure of conventional reciprocating pump, limits the innovation and development and light-weight design of reciprocating pump, in current new situations economic development Under innovation driving, start light-weight design new approaches come the need for meeting energy-saving and emission-reduction, to conventional reciprocating pump from profile, again Amount, the optimization of structure are very important measures.
The content of the invention
The technical problems to be solved by the invention are that a kind of optimization power end and fluid power are provided for state of the art The reciprocating pump of connection is held, it is 90 degree of knots connected vertically that the power end of its change conventional reciprocating pump, which is connected binding face with fluid end, Structure, to shorten the length of power end, and then improves the strength and stiffness of fuselage, and improves assembly precision, improves the longevity of consumable accessory Life.
The present invention solve the technical scheme that is used of above-mentioned technical problem for:It is past that this optimization power end is connected with fluid end Multiple pump, includes the fuselage and the pump housing of fluid end of power end, wherein being acted radially provided with bent axle and by bent axle band in the fuselage Reciprocating transmission component, transmission component includes connecting rod, crosshead;In the pump housing chamber, chamber are run provided with piston reciprocation Interior to be provided with filler assembly and plunger, the transmission component of the plunger and power end is connected, it is characterised in that:The fuselage and the pump housing The face engaged is designed to inclined-plane, and the inclined-plane and one obtuse angle of fuselage center formation;The face that the pump housing is engaged with fuselage The inclined-plane of same angle is also designed to, fuselage inclined-plane is fitted with pump housing inclined-plane between matching, and fuselage inclined-plane and pump housing inclined-plane Provided with location structure, fuselage and the pump housing are mutually located fixation, and keep the center line of plunger and the center line of crosshead In a straight line.
It is specific i.e. on the fuselage inclined-plane and pump housing inclined-plane and described location structure can be implemented using following scheme On be respectively equipped with the annular groove on the annular groove of corresponding indent, fuselage inclined-plane and shape after the annular groove pairing on pump housing inclined-plane Be used for the positioning hole that centring ring is set into one, centring ring is located in positioning hole, the annular groove on the oblique Xu of fuselage as the pump housing with Fuselage positioning datum, the pump housing and fuselage are positioned fix by centring ring.
And positioning hole and place centring ring in it can and fuselage rectangular using cross-sectional shape or piston reciprocation transport The perpendicular mode of an actor's rendering of an operatic tune center line, it would however also be possible to employ cross-sectional shape parallelogram is in parallel with fuselage or pump housing inclined-plane Mode, be specifically:
Annular groove on the fuselage inclined-plane is in the pump concentric and company of passing through step-like, described with plunger channel in fuselage Annular groove on body inclined-plane and piston reciprocation operation chamber are concentric and are separated by, and baseplane and the pump of the annular groove on fuselage inclined-plane The perpendicular shape of center line of chamber is run with plunger channel center line or piston reciprocation in the baseplane of endless groove on body inclined-plane.
Annular groove on the fuselage inclined-plane is in the pump concentric and company of passing through step-like, described with plunger channel in fuselage Annular groove on body inclined-plane and piston reciprocation operation chamber are concentric and are separated by, and baseplane and the pump of the annular groove on fuselage inclined-plane The baseplane of endless groove on body inclined-plane is in parallel shape with fuselage inclined-plane or pump housing inclined-plane.
And the described filler assembly for being located at piston reciprocation operation intracavitary may include the seal oil that ecto-entad is set Assembly and medium-tight assembly, and seal oil assembly and medium-tight assembly run intracavitary by being located at piston reciprocation One step is separated by.
Described seal oil assembly can sequentially include oil seal adjustment nut, oil seal filler and oil pressure ring and be oriented to Set;Described medium-tight assembly can sequentially include medium pressure ring, medium-tight filler and is made up of spring base and counterbalance spring Packing seal compensation mechanism.
And described oil seal filler and medium-tight filler are except that can use the rectangular filler of conventional cross-sectional shape Outside, the filler of the equal parallelogram of cross-sectional shape can also be used, i.e., by the two ends of oil seal filler and medium-tight filler Face is designed to the inclined plane shape parallel with pump housing inclined-plane, and corresponding described oil seal adjustment nut and oil pressure ring are close with oil respectively The one side that packing material is in contact is designed to the inclined plane shape of same angle, and described medium pressure ring and spring base are filled out with medium-tight respectively Expect that the one side being in contact is designed to the inclined plane shape of same angle, such setting is more beneficial for increasing the length of seal line, can reduced Number of seals, improves sealed rigid, is conducive to sealed uniform wear.
To further ensure that plunger, filler reach that sealing improves the effect in life-span, it is close to be additionally provided with filler on the described pump housing Manual override mechanism is sealed, the mechanism includes the adjusting bolt for being mounted in the adjustment flange on the pump housing, being connected on adjustment flange, adjustment The external diameter of screw rod is circumferentially with scale groove and by a locking spacing fixation of pawl;The front end of the medium-tight filler assembly is by described Step positioning, rear end positions by a diversion sleeve for being located at piston reciprocation operation intracavitary, and the afterbody of diversion sleeve is provided with sealing position, Make it run intracavitary in piston reciprocation by the effect of adjusting bolt to move back and forth.Set between its endoporus of the diversion sleeve and external diameter Have it is a plurality of let out media slot, to reduce the flow velocity of medium in diversion sleeve endoporus.
Compared with prior art, the advantage of the invention is that:The present invention will change between power end and the binding face of fluid end Connected for inclined-plane, thus the length of power end can be shortened, improve the strength and stiffness of fuselage;Due to the binding face of the fluid end pump housing For inclined design, thus enough positions are left, are conducive to the parts such as plunger, filler, guide sleeve to be arranged in the pump housing, it is not necessary to Sealed letter body is fixed on the pump housing, and such overall kinetic end length can be reduced, and letter body length is fixed on the pump housing using centring ring On fuselage, reduce multiple positioning datums and improve assembly precision, be more beneficial for improving the life-span of consumable accessory.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the airframe structure schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the right view of Fig. 2 fuselages.
Fig. 4 is the pump body structure schematic diagram of the embodiment of the present invention 1.
Fig. 5 is the left view of Fig. 4 pump housings.
Fig. 6 is the structural representation of the embodiment of the present invention 2.
Fig. 7 is the airframe structure schematic diagram of the embodiment of the present invention 2.
Fig. 8 is the right view of Fig. 7 fuselages.
Fig. 9 is the pump body structure schematic diagram of the embodiment of the present invention 2.
Figure 10 is the left view of Fig. 9 pump housings.
Figure 11 is the section enlarged diagram of the oil seal filler of the embodiment of the present invention 2 and medium-tight filler.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment 1:It refer to shown in Fig. 1, reciprocating pump of the present invention includes power end and fluid end, wherein:
Power end mainly includes provided with bent axle in fuselage 1, fuselage 1 and acts the biography diametrically reciprocated by bent axle band Dynamic component, transmission component mainly by connecting rod, cross is first-class constitutes, because the setting in fuselage such as bent axle, transmission component can be with No longer it is described in detail using known technology, therefore to this part.The improvement main to fuselage 1 of power end of the present invention, by fuselage 1 with The face that the pump housing 2 fits is changed to inclined-plane by the conventional face with central axis, and the bevel inclination angle is more than 90 degree, Ye Jiyu One obtuse angle of center line (or center line of fuselage inner plunger passage) formation of fuselage.The fuselage 1 of the present embodiment is to set 2 groups of transmissions Exemplified by component, i.e., on the fuselage 1 provided with two plunger channels 101 (the corresponding pump housing is provided with two plungers 19), it and the pump housing On two piston reciprocations operation chamber 201 correspond.
Incorporated by reference to shown in Fig. 2, Fig. 3, fuselage 1 is designed to the inclined inclined-plane 102 in pump housing side with the face that the pump housing 2 fits, The inclination angle on inclined-plane 102 is more than 90 degree (namely one angles more than 90 degree of center line formation with plunger channel).Fuselage inclined-plane 102 As the reference plane with pump housing positioning, the annular groove 103 of an indent, annular groove are each provided with the plunger channel hole of both sides 103 be in concentric and the company of passing through step-like with plunger channel 101, and the baseplane 104 of groove and the center line of plunger channel are in hang down Straight shape.
The power end fuselage 1 of the present invention is to make the positioning fixation of both axialities using centring ring 3 with the fluid end pump housing 2, because This annular groove 103 is as positioning reference holes, and corresponding with the annular groove 203 being located on pump housing inclined-plane, centring ring 3 is placed on pairing In the positioning hole constituted afterwards.
In conjunction with shown in Fig. 4, Fig. 5, fluid end mainly includes the pump housing 2, and pump housing the right and left is respectively provided with a piston reciprocation Chamber 201 is run, intracavitary is respectively equipped with filler assembly and plunger 19, and plunger is connected with the transmission component of corresponding power end.As for The modular constructions such as the combination valve on the pump housing are not reinflated herein, and they can be using known technology or improved new technology (not office It is limited to shown in the present embodiment Fig. 1), do not influence to realize the purpose of the present invention.
The face that the pump housing 2 and fuselage 1 fit is designed to the inclined-plane 202 with fuselage inclined-plane with inclination angle, namely the inclined-plane 202 with The center line of piston reciprocation operation chamber also forms one and is more than 90 degree of angle, and pump housing inclined-plane 102 is fitted matching with fuselage inclined-plane 202 (the upper plane of pump housing inclined-plane and fuselage similarly forms an angle for being more than 90 degree).Pump housing both sides are respectively provided with a piston reciprocation Chamber 201 is run, is transported corresponding to the both sides of two plunger channels 101 of fuselage, and pump housing inclined-plane around corresponding piston reciprocation An actor's rendering of an operatic tune is respectively equipped with the annular groove 203 of an indent, and they are corresponded with two annular grooves 103 on fuselage inclined-plane.The pump housing is oblique Annular groove 203 on face and corresponding piston reciprocation operation chamber 201 are concentric and are separated by, and the baseplane 204 of endless groove and plunger are past The perpendicular shape of center line of chamber 201 is run again.Therefore the annular groove 103 on fuselage inclined-plane and the annular groove 203 on pump housing inclined-plane A cylindrical positioning hole is constituted after pairing, the centring ring 3 coordinated with the positioning interporal lacuna is arranged in hole.
Said structure make the present invention fuselage and the mutual binding face of the pump housing be inclined-plane, and two laminating inclined-planes 102,202 Between be mutually located with two centring rings 3, it is ensured that the center lines of two plunger channels 101 on the left and right both sides of fuselage and the plunger of the pump housing two The center line of reciprocal operation chamber 201 keeps concentric respectively.Therefore it changes the power end of conventional reciprocating pump and is connected with fluid end Binding face is 90 degree of structures connected vertically, and centring ring positioning is changed into from traditional sealed letter body excircle orientation, is so made total The length of body power end can be reduced, and reducing multiple positioning datums improves assembly precision, so as to be conducive to improving consumable accessory Life-span.
Filler assembly includes ecto-entad and is arranged on seal oil assembly and medium-tight assembly that plunger runs intracavitary, And in piston reciprocation operation intracavitary provided with a step 205, the step is used as the reference for installation between two seal assemblies and isolation Wall, is not interfered with the sealing ensured between lubricating oil and medium.
Above-mentioned seal oil assembly sequentially includes oil seal adjustment nut 4, oil seal filler 5 and oil pressure ring guide sleeve 6, Medium-tight assembly sequentially includes medium pressure ring 7, medium-tight filler 8 and the filler being made up of spring base 9 and counterbalance spring 10 Compensation mechanism is sealed, packing seal compensation mechanism is made after the abrasion of medium-tight filler before spring-force driven dual is automatic Post-compensation.To further ensure that plunger, filler reach that sealing improves the effect in life-span, except by spring base 9 and counterbalance spring 10 Outside the packing seal compensation mechanism of composition, packing seal manual override mechanism is additionally provided with the pump housing, the mechanism includes dress Adjustment flange 12 on the pump housing 2, the adjusting bolt 13 being connected on adjustment flange, the external diameter of adjusting bolt 13 are circumferentially with quarter Spend groove and by a spacing fixation of locking pawl 14, one end of locking pawl 14 is connected with described adjusting bolt 13, the other end and pump The locating flange bar 15 that body phase is fixed is connected.The front end of above-mentioned medium-tight filler assembly is positioned by the step 205 of intracavitary, rear end Positioned by a diversion sleeve 11 for being located at piston reciprocation operation intracavitary.The front end of diversion sleeve 11 is used to withstand spring base 9 provided with step, The afterbody of diversion sleeve 11 is provided with sealing position, by the effect of adjusting bolt 13 it can be made to be run in piston reciprocation in chamber 201 and made Move back and forth, so as to eliminate the abrasion of medium-tight.For reduction the endoporus of diversion sleeve 11 in medium flow velocity, the diversion sleeve 11 its Between endoporus and external diameter media slot is let out provided with a plurality of.
With reference to shown in Fig. 1, the installation work one of the fuselage, the pump housing and filler assembly of the present invention is substantially described:Fuselage 1 and pump Body 2 is pulled out the pump housing 2 even on the fuselage 1 by each centring ring 3 in left and right by connecting bolt in this connection, from centring ring 3 directions are installed by upper press ring guide sleeve 6, seal oil filler 5, oil seal adjustment nut 4, the install medium pressure ring before the pump housing 7th, medium-tight filler 8, spring base 9, adjustment counterbalance spring 10, plunger 19, diversion sleeve 11, adjustment flange 12, adjusting bolt 13, Locating flange bar 15, locking pawl 14, combination valve 16, clamping sleeve 17, plug screw 18 are installed from pump housing top.Plunger 19 and power end Transmission component is connected, and it is made axially reciprocating under power end effect.
Its operation principle is as follows:When plunger 19 is run (Xiang power extreme direction) backward, the liquid feed valve of combination valve 16 is opened, Medium enters piston reciprocation and run in chamber and diversion sleeve 11;When plunger 19 is run forward, the liquid feed valve of combination valve 16 is closed, this When cavity pressure raise, the tapping valve in combination valve 16 is opened, medium discharge;When the medium-tight filler 8 in operation of plunger 19 Meeting compensates bullet after sealing surface wear according to the sealing surface of the automatic break-in medium-tight filler 8 in reciprocal of plunger 19 by adjustment Spring 10 carries out automatic compensation and eliminates radial clearance, to ensure shape between the inner chamber of plunger 19 and medium-tight filler 8 and plunger 19 Into seal line, it is ensured that medium is not revealed.When counterbalance spring 10 loses spring force, screw rod 13 can be manually adjusted, makes diversion sleeve 11 improve forward the compression stress of counterbalance spring 10, to reach the sealing effectiveness of medium-tight filler 8, when it is determined that handle after adjustment position The locking skewer of pawl 14, which enters to loosen to prevent adjusting bolt 13 in the indexing trough of adjusting bolt 13, to be exited.When plunger 19 is run, observable moistens Oil seal, when having leakage available dedicated instrument to oil seal adjustment nut 4 tightened untill not revealing, reach plunger, The purpose of filler No leakage.
Embodiment 2:It refer to shown in Fig. 6-Figure 10, its main distinction with embodiment 1 is centring ring 3 and airtight and watertight padding 5th, 8 shape is different.The annular groove 203 on the pump housing shown in annular groove 103 and Fig. 9 on fuselage as shown in Figure 7, should The baseplane 104,204 of two annular grooves is in parallel shape with fuselage inclined-plane 102 and pump housing inclined-plane 202 respectively, therefore two annular grooves pair Close positioning hole its section parallelogram constituted, rather than embodiment 1 conventional rectangular.Corresponding its section of centring ring 3 Parallelogram, as shown in Figure 6.
As shown in figure 11, oil seal filler 5 and medium-tight filler 8 are nor using the cross-sectional shape shown in embodiment 1 Rectangular conventional fillers shape, it uses cross-sectional shape for the filler of parallelogram, i.e., oil seal filler 5 and medium is close The both ends of the surface of packing material 8 are designed to the inclined plane shape parallel with pump housing inclined-plane 202, corresponding oil seal adjustment nut 4 and oil pressure The one side that ring guide sleeve 6 is in contact with oil seal filler 5 respectively is designed to the inclined plane shape of same angle, the same He of medium pressure ring 7 9 one sides not being in contact with medium-tight filler 8 of spring base point are also designed to the inclined plane shape of same angle.
Such setting is more beneficial for increasing the length of seal line, can reduce number of seals, improves sealed rigid, Be conducive to sealed uniform wear.
Two preferred embodiments of the present invention are the foregoing is only, in addition to described in above-mentioned two embodiment, can also be carried out Difference remodeling is improved, without limiting to this.

Claims (9)

1. a kind of optimize the reciprocating pump that power end is connected with fluid end, include the fuselage and the pump housing of fluid end of power end, wherein The transmission component diametrically reciprocated is acted provided with bent axle and by bent axle band in the fuselage, transmission component includes connecting rod, ten Prefix;Chamber is run provided with piston reciprocation in the pump housing, intracavitary is provided with filler assembly and plunger, the biography of the plunger and power end Dynamic component connection, it is characterised in that:The face that the fuselage is engaged with the pump housing is designed to inclined-plane, and the inclined-plane and fuselage center Form an obtuse angle;The face that the pump housing is engaged with fuselage is also designed to the inclined-plane of same angle, makes fuselage inclined-plane and pump housing inclined-plane Laminating matching, and location structure is provided between fuselage inclined-plane and pump housing inclined-plane, fuselage and the pump housing are mutually located fixation, and The center line of plunger and the center line of crosshead is set to keep in a straight line.
2. reciprocating pump as claimed in claim 1, it is characterised in that:It is respectively equipped with the fuselage inclined-plane and pump housing inclined-plane relative Annular groove on the annular groove for the indent answered, fuselage inclined-plane is used for centring ring with forming one after the annular groove pairing on pump housing inclined-plane The positioning hole of setting, centring ring is located in positioning hole and constitutes described location structure.
3. reciprocating pump as claimed in claim 2, it is characterised in that:Annular groove on the fuselage inclined-plane is in and the post in fuselage Fill in passage with one heart and the company of passing through it is step-like, it is concentric and be separated by that annular groove on described pump housing inclined-plane and piston reciprocation run chamber, And the baseplane of the endless groove on the baseplane of the annular groove on fuselage inclined-plane and pump housing inclined-plane with plunger channel center line Or piston reciprocation runs the perpendicular shape of center line of chamber.
4. reciprocating pump as claimed in claim 2, it is characterised in that:Annular groove on the fuselage inclined-plane is in and the post in fuselage Fill in passage with one heart and the company of passing through it is step-like, it is concentric and be separated by that annular groove on described pump housing inclined-plane and piston reciprocation run chamber, And the baseplane of the endless groove on the baseplane of the annular groove on fuselage inclined-plane and pump housing inclined-plane with fuselage inclined-plane or the pump housing Inclined-plane is in parallel shape.
5. the reciprocating pump as described in claim 3 or 4, it is characterised in that:Described is located at the filler that piston reciprocation runs intracavitary Assembly includes the seal oil assembly and medium-tight assembly that ecto-entad is set, and seal oil assembly and medium are close The step that envelope assembly runs intracavitary by being located at piston reciprocation is separated by.
6. reciprocating pump as claimed in claim 5, it is characterised in that:Described seal oil assembly sequentially includes oil seal and adjusted Whole nut, oil seal filler and oil pressure ring guide sleeve;Described medium-tight assembly sequentially includes medium pressure ring, medium-tight and filled out Material and the packing seal compensation mechanism being made up of spring base and counterbalance spring.
7. reciprocating pump as claimed in claim 6, it is characterised in that:Described oil seal filler and the section of medium-tight filler The both ends of the surface of the equal parallelogram of profile, oil seal filler and medium-tight filler are designed to parallel with pump housing inclined-plane oblique Planar;The one side that corresponding described oil seal adjustment nut and oil pressure ring are in contact with oil seal filler respectively is designed to same angle The one side that the inclined plane shape of degree, described medium pressure ring and spring base are in contact with medium-tight filler respectively is designed to same angle Inclined plane shape.
8. reciprocating pump as claimed in claim 5, it is characterised in that:The front end of the medium-tight filler assembly is by described platform Rank is positioned, and rear end is positioned by the diversion sleeve for being located at piston reciprocation operation intracavitary, is provided between described its endoporus of diversion sleeve and external diameter It is a plurality of to let out media slot.
9. reciprocating pump as claimed in claim 6, it is characterised in that:Packing seal manual compensation machine is additionally provided with the described pump housing Structure, the mechanism includes the adjusting bolt for being mounted in the adjustment flange on the pump housing, being connected on adjustment flange, the external diameter week of adjusting bolt To provided with scale groove and by a locking spacing fixation of pawl;The front end of the medium-tight filler assembly is positioned by described step, Rear end is positioned by a diversion sleeve for being located at piston reciprocation operation intracavitary, is let out between described its endoporus of diversion sleeve and external diameter provided with a plurality of Media slot, the afterbody of diversion sleeve is provided with sealing position, and diversion sleeve makes it run chamber in piston reciprocation by the effect of adjusting bolt Inside move back and forth.
CN201710588373.9A 2017-07-19 2017-07-19 Reciprocating pump with optimized connection of power end and hydraulic end Active CN107165797B (en)

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CN201710588373.9A CN107165797B (en) 2017-07-19 2017-07-19 Reciprocating pump with optimized connection of power end and hydraulic end

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Application Number Priority Date Filing Date Title
CN201710588373.9A CN107165797B (en) 2017-07-19 2017-07-19 Reciprocating pump with optimized connection of power end and hydraulic end

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CN107165797B CN107165797B (en) 2019-12-06

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203394736U (en) * 2013-08-13 2014-01-15 中国石油化工集团公司 Fluid end device for plunger pump
CN105221407A (en) * 2015-10-22 2016-01-06 宁波合力机泵有限公司 A kind of hydraulic end of plunger pump assembly
CN106917743A (en) * 2017-04-27 2017-07-04 宁波合力机泵股份有限公司 A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body
CN206903817U (en) * 2017-07-19 2018-01-19 宁波合力机泵股份有限公司 A kind of reciprocating pump for optimizing power end and being connected with fluid end

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203394736U (en) * 2013-08-13 2014-01-15 中国石油化工集团公司 Fluid end device for plunger pump
CN105221407A (en) * 2015-10-22 2016-01-06 宁波合力机泵有限公司 A kind of hydraulic end of plunger pump assembly
CN106917743A (en) * 2017-04-27 2017-07-04 宁波合力机泵股份有限公司 A kind of hydraulic end of plunger pump assembly of conical surface location sealing letter body
CN206903817U (en) * 2017-07-19 2018-01-19 宁波合力机泵股份有限公司 A kind of reciprocating pump for optimizing power end and being connected with fluid end

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