CN105736359B - A kind of gap can adjust Quimby pump - Google Patents

A kind of gap can adjust Quimby pump Download PDF

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Publication number
CN105736359B
CN105736359B CN201610107811.0A CN201610107811A CN105736359B CN 105736359 B CN105736359 B CN 105736359B CN 201610107811 A CN201610107811 A CN 201610107811A CN 105736359 B CN105736359 B CN 105736359B
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CN
China
Prior art keywords
pump
screw rod
screw
inner liner
driving
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Expired - Fee Related
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CN201610107811.0A
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Chinese (zh)
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CN105736359A (en
Inventor
蒋小平
朱嘉炜
施卫东
刘思晗
李伟
周岭
王川
吴家辉
庞庆龙
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Jiangsu University
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Jiangsu University
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Priority to CN201610107811.0A priority Critical patent/CN105736359B/en
Publication of CN105736359A publication Critical patent/CN105736359A/en
Application granted granted Critical
Publication of CN105736359B publication Critical patent/CN105736359B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of gap can adjust Quimby pump, in addition to the component that common Quimby pump has, in addition to the supporting pump front shroud of replaceable pump body bushing, this inner liner and machinable screw slide bearing block and replaceable driving wheel and driven pulley.The present invention is compared to common Quimby pump, inner liner replaceable in the pump housing and pump front shroud and replacing and the small processing of sliding bearing seating face to principal and subordinate wheel only need to be changed, pass through the mutual compression of two screw rods, the method of two screw rods centre-to-centre spacing is reduced to reduce the leakage of pump caused by the abrasion of screw rod and pump bushing and the loss of caused aspect of performance, so as to extend its service life and reduce its maintenance cost.

Description

A kind of gap can adjust Quimby pump
Technical field
It is particularly a kind of by the processing of part and to change so as between adjusting screw rod the invention belongs to mechanical field Distance can adjust Quimby pump so as to a kind of gap to increase the service life.
Background technology
For Quimby pump as a kind of widely used positive displacement pump, it is relied on by two intermeshing screw rods and pump The annular seal space volume that internal wall is formed changes to convey material.Quimby pump have without agitation, pulse free, steadily export it is various Medium, the features such as mechanical oscillation are small, noise is low.Because pump body structure ensures there is pump liquid work all the time in the operation element of pump To seal liquid, therefore there is very strong self-priming performance, and be usually used in multi-phase mixed delivering.Such as can convey oils, water, paste, Milk, pitch and some other chemical medium etc..
Due to screw pump operation principle, the inside of pump must be broken into some annular seal spaces being isolated from each other, and so can just make Suction inlet effectively separates with outlet.Then, screw pump need to meet with seal performance condition:(1) intermeshing principal and subordinate's spiral shell Helicla flute will can be divided into not connected closed cavity by the path of contact of bar.(2) protected between the homonymy adjacent grooves of single screw rod Demonstrate,prove sealing.Screw pump in the course of the work, the generation friction between material and master and slave screw rod and pump housing bushing, screw rod with Bushing working face is gradually worn out, and screw diameter constantly reduces and bushing aperture gradually increases.So, between screw rod and screw rod And the gap between screw rod and bushing gradually expands, this adds increased material from leakage amount, so that pump performance reduces.Due to double Screw rod pump configuration is more complicated for other kinds of screw pump, and price is slightly higher, and in multi-phase mixed delivering as conveying contains During sewage sludge, end wear is easily caused.And maintenance cost is huge, once serious wear is, it is necessary to change whole to screw rod and whole Individual bushing.From the aspect of cost-effective, to solve the above problems, be necessary to design a kind of advanced screw pump, it is existing to overcome There is defect described in technology.
The content of the invention
The present invention is directed to propose one kind can need not change screw rod and whole bushing just can guarantee that the screw rod pump work longevity Life and a kind of Quimby pump for reducing screw pump maintenance cost, only it need to change inner liner replaceable in the pump housing and pump protecgulum Plate and principal and subordinate wheel is changed and the small processing to sliding bearing seating face, pass through the mutual pressure of two screw rods Tightly, the method for two screw rods centre-to-centre spacing is reduced to reduce the leakage of pump caused by the abrasion of screw rod and pump bushing and caused Aspect of performance loss, so as to extend its service life and reduce its maintenance cost.
In order to achieve the above object, technical scheme is as follows:
A kind of gap can adjust Quimby pump, including the pump housing, the inner liner of pump body, driving screw, from screw rod, the pump housing Pump front shroud that one end is set gradually, driving screw front slide bearing block, from screw rod front slide bearing block;The pump housing other end is set successively Plain bearing housing, plain bearing housing, driving wheel, driven pulley after screw rod after the driving screw put;
The driving screw sequentially passes through plain bearing housing, inner liner after driving wheel, driving screw, driving screw is advancing slip dynamic bearing Seat, pump front shroud and machine seal structure;It is described from screw rod sequentially pass through driven pulley, after screw rod plain bearing housing, inner liner, from Screw rod front slide bearing block;
The driving wheel, driven pulley are meshed and replaceable;The inner liner is cylinder, and inside is in " 8 " font Hollow structure, driving screw can be accommodated, from screw rod;According to driving screw, from the degree of wear of screw rod and the difference of pumped (conveying) medium, can be more Change the inner liner of different pore size and unlike material;In addition, corresponding processing driving screw front slide bearing block and from screw rod front slide After bearing block, and driving screw plain bearing housing and after screw rod plain bearing housing shape so that front and rear two pairs of sliding bearings The shape of seat is " 8 " font structure;When screw rod wears, plain bearing housing need to only be contacted according to wear extent machining two Part is to cause plain bearing housing to be engaged with the inner liner newly changed.
Further, the driving screw front slide bearing block, from screw rod front slide bearing block be embedded in inner liner front end, and Inner liner, the pump housing are connected with driving screw front slide bearing block lower end with pin;In addition, sliding bearing after the driving screw Seat, plain bearing housing is embedded in inner liner rear end, inner liner, the pump housing and the plain bearing housing pin after screw rod after screw rod Nail connection makes inner liner ensure that axially and radially position is fixed.
Further, driving wheel, driving screw stop washer, driving screw circle spiral shell are cased with the shaft shoulder of the driving screw rear end successively Mother, it is connected between driving screw and driving wheel with key, ensures that its is radially fixed, and screwed with driving screw round nut, ensures driving wheel Axial restraint;Be cased with successively at the shaft shoulder from spiro rod rear end driven pulley, from screw rod stop washer, from screw rod round nut, from It is connected between screw rod and driven pulley with key, ensures that its is radially fixed, and screwed with from screw rod round nut, ensures follower shaft to admittedly It is fixed.
Further, the pump front shroud is provided with endoporus, and the driving screw passes through the endoporus, due to the interior hole position of pump front shroud Put relevant with driving screw position and centre-to-centre spacing, the pump front shroud is replaceable, i.e. the inner liner of different pore size also needs one The hole site pump front shroud supporting with it is corresponding in kind.
Further, the machine seal structure is connected by hex bolts with pump front shroud, and machine seal structure is without changing;Including axle Bearing, machine envelope seat and machine capping.
Further, the driving screw front slide bearing block and from screw rod front slide bearing block, and sliding axle after driving screw Bearing and two plain bearing housing contact portions of plain bearing housing need to be processed as annular indentation face, annular indentation face after screw rod Fit so that forward and backward two plain bearing housing is in " 8 " font structure respectively.
In general, the present invention has further the advantage that in addition to conventional Quimby pump has the advantage that:
The Quimby pump gap can adjust, in addition to the due structure of conventional Quimby pump, in addition to replaceable pump The supporting pump front shroud of body inner liner, this inner liner and machinable screw slide bearing block and replaceable Driven wheel.Compared with common Quimby pump, compressed due to the present invention using driving screw and between screw rod to ensure spiral shell Bar service life extends, and without changing the whole outer liner to screw rod and pump, has saved maintenance cost.
The pump body bushing:The outer shape of inner liner is cylindrical shell, shell inner hole be shaped as and principal and subordinate The shape similar to " 8 " word after screw rod engagement, housing and driving screw front slide bearing block, the plain bearing housing after screw rod Contact surface respectively has a pin hole, and two pins are distributed in annulus both sides in 180 degree, ensure that radial direction and the axial direction of inner liner It is stable.Compared with classic screw pump, the bushing in the present invention only need to change inner liner once wearing.And inner liner It is simple in construction, consume material and also greatly reduce than general bushing, save technological process, reduce maintenance cost.The present invention is not only The inner liner of different size and corresponding pump cover can be produced by the different designs of wear extent, different materials can also be produced Bushing has widened its purposes significantly to realize conveying of the screw pump to different medium.
In terms of replaceable matching pump front cover structure:Matching pump front shroud is identical with former pump front cover structure, but with original Pump front shroud is slightly distinguished:(1) position with the screwed hole being connected of machine capping must be according to the change in the aperture of inner liner And change.(2) position in hole must also change according to the change in inner liner aperture on pump cover.The pump front shroud is folded in machine Seal between seat and the pump housing, and coordinate hexagon-headed bolt to be fixed on the pump housing.
Screw slide bearing block is made up of a pair of front slide bearing blocks and a pair of rear two parts of plain bearing housing.A pair of cunnings Moving axis bearing is divided into for master and slave two parts of plain bearing housing.Plain bearing housing adapted corresponds to sliding bearing, with screw shaft into Gap coordinates.It using plain bearing housing, can allow to convey various nonlubricious media, while the axial direction of the overwhelming majority can be offset Power.Its oilless bearing without oil lubrication used can improve bearing load carrying capacity, and make the few vibration of screw pump drop, reduce and make an uproar Sound, prevent from polluting and improve working conditions.According to the intensity of variation of centre-to-centre spacing, it can correspond to and process two pairs of plain bearing housings.It is former Plain bearing housing be shaped as that the two circular whole slide bearing blocks Jing Guo machining are put together with screw rod jogged shape phase As " 8 " font.Driving screw, slide back and forth bearing block from screw rod and need to only process the contact surface of two bearings seat, its scrap rate very little, The smooth easy processing of machined surface, plane only need to be processed into, processing mode is simple.
Driven wheel is a pair of intermeshing synchromesh gears, and rotatable parts are not in contact with each other, and service life is protected Barrier.Corresponding screw rod is connected to ensure its radial position, to pass through the shaft shoulder and two pairs of round spiral shells two gears by key respectively Female and supporting stop washer controls its axial location.Change that supporting driving wheel, driven pulley are very convenient, greatly save maintenance Time and expense.
Because the inner liner " 8 " word hole machined shape should be with two screw rods axis center away from relevant.Can be according to being calculated A series of shape in " 8 " word hole in the case of different centre-to-centre spacing, i.e., design a series of derivative auxiliary products according to different centre-to-centre spacing. Simple in construction, convenient disassembly of the invention, and accessory all can design standard.Because pump cover and bushing are all cast member, after mold Batch production, has both saved production cost, also can a series of kits of production inventory in case maintenance needs, when ensure that maintenance It can be changed with the very first time, greatly reduce pump maintenance time, ensure that timely using for pump.
Because the interior hole site of the pump front shroud of supporting replacing is relevant with driving screw position and centre-to-centre spacing, i.e. different pore size Inner liner also need a kind of interior hole site pump front shroud supporting with it corresponding, so pump front shroud is also needed according to not It is individually designed with centre-to-centre spacing, according to different centre-to-centre spacing, design a series of matching pump front shrouds with it is corresponding so that the maintenance instruction of pump Change, standardization.Pump front shroud change after because change after cover plate only change eccentric throw, not change hole size and Distribution, therefore without changing the machine seal structure being connected with former front shroud, greatly save material.And former front shroud can also return after changing Receive, be continuing with for other with the pump of model.
Brief description of the drawings
Fig. 1 is that gap can adjust Quimby pump installation diagram
Fig. 2 is plain bearing housing structure chart
Fig. 3 is the schematic diagram of pump front shroud
Fig. 4 is the schematic diagram that the pump housing coordinates with inner liner
In figure:1- pump front shrouds, 2- is from screw rod front slide bearing block, 3- driving screw front slide bearing blocks, 4- driving screws, 5- From screw rod, the 6- pump housings, 7- driven pulleys, 8- driving wheels, 9- back-up rings, 10- is from screw rod stop washer, and 11- is from screw rod round nut, 12- Driving screw stop washer, 13- driving screw round nuts, 14- plain bearing housings after screw rod, plain bearing housing after 15-- driving screws, 16- pins a, 17- inner liner, 18- pins b, 19- screwed hole a, 20- screwed hole b, 21- screwed hole c, 22- bearing block, 23- Machine seals seat, the capping of 24- machines, the plain bearing housing contact portions of 25- two, 26- processing hole 1,27- processing hole 2,28- processing hole 3.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously Not limited to this.
Fig. 1 is Quimby pump assembling schematic diagram.This Quimby pump, except the due structure of conventional single-suction double-screw pump it Outside, it is in addition to replaceable inner liner 17, replaceable pump front shroud 1, machinable driving screw front slide bearing block 3, main Plain bearing housing 15 after screw rod, from screw rod front slide bearing block 2 and it is corresponding after plain bearing housing 14.Described inner liner 17 aspects:Inner liner 17, the pump housing 6 are connected with driving screw front slide bearing block 3 with pin 18;In addition, inner liner 17, pump Body 6 with after screw rod plain bearing housing 14 be connected with pin 16 and be held axially stationary inner liner 17.The aspect of pump front shroud 1: Pump front shroud 1 coordinates hexagon socket cap head screw fastening to make front shroud keep fixing with the pump housing 6 at hole 19;Pump protecgulum at hole 20 Plate 1 is fastened by hexagon-headed bolt with bearing block 22 and keeps fixing;Pump front shroud 1 and machine envelope seat 23, machine capping 24 at hole 21 Fastened by hexagon-headed bolt and keep fixing.
Driving screw 4 with terms of screw rod 5:After internally the driving screw 4 in bushing 17 sequentially passes through driving wheel 8, driving screw Plain bearing housing 15, inner liner 17, driving screw front slide bearing block 3, pump front shroud 1 and machine seal structure (including bearing block 22, Machine seals seat 23 and machine capping 24, and bearing block 22 is connected with pump front shroud 1 with hex bolts;Machine capping 24 seals seat with machine successively 23rd, pump front shroud 1 is connected with hex bolts), driving screw 4 connects with driving screw stop washer 12, the screw thread of driving screw round nut 13 Connect;Driven pulley 7, plain bearing housing 14, inner liner 17, driving screw front slide bearing block 2 after screw rod are sequentially passed through from screw rod, It is threadedly coupled from screw rod 5 with from screw rod stop washer 10, from screw rod round nut 11.
In terms of plain bearing housing:It is corresponding to process driving screw front slide bearing block 3 and from screw rod front slide bearing block 2, and After driving screw plain bearing housing 15 and after screw rod plain bearing housing 14 shape, front end plain bearing housing (or rear end slide Bearing block) two plain bearing housing contact portions 25 need to be processed as annular indentation face (for annulus radial cut bevel), driving screw Front slide bearing block 3 is bonded with from the machined surface of screw rod front slide bearing block 2, and driving screw 4 is inserted in and from screw rod 5 into " 8 " font In and be pressed into pump housing inner ring and connected with pin 18, while after the inner hole sleeve of pump front shroud 1 is entered into driving screw front slide bearing block 3 Portion is stable ensure that its radial direction;Plain bearing housing 14 is bonded into the machined surface of plain bearing housing after driving screw 15 after screw rod " 8 " font is inserted in driving screw 4 and from screw rod 5 and is pressed into pump housing inner ring and is connected with pin 16;Plain bearing housing liner Oil-free sliding bearing.
Driving wheel 8, the aspect of driven pulley 7:Driving wheel 8 is inserted in driving screw 4 and is connected with driving screw 4 with key to ensure it Radially fixed, a pair of driving screw stop washers 12, the driving screw round nut 13 that the shaft shoulder is threadedly coupled with driving screw 4 ensure that it Axial restraint.Driven pulley 7 is inserted in from screw rod 5 and is connected with from screw rod 5 with key to ensure that its is radially fixed, the shaft shoulder with from spiral shell A pair of driving screw stop washers 10, the driving screw round nut 11 of the threaded connection of bar 5 ensure that its axial restraint.
Fig. 2 is plain bearing housing structure chart.Two sliding bearings of front end plain bearing housing (or rear end plain bearing housing) Seat contact portion 25 needs to be processed as annular indentation face (for annulus radial cut bevel).
The schematic diagram of Fig. 3 pump front shrouds.According to pitch away from the different eccentric throws for calculating processing holes 28, then calculate Process the position in hole 26,27 and design pump front shroud accordingly.
Fig. 4 is the schematic diagram that the pump housing coordinates with inner liner.Inner liner material compared with outer liner reduces many, and Structure is convenient.
The embodiment of the present invention is as follows:Quimby pump is dismantled in order and finished, two screw rods are taken out, by two Screw-pressing measures its centre-to-centre spacing and the inner liner internal via shape for needing to process is calculated according to this centre-to-centre spacing;Pump cover endoporus it is inclined The heart away from;More than the cutting for the driving and driven gear that the forward and backward plain bearing housing chipping allowance of principal and subordinate and needs for needing to process are processed Amount.
(such product integration can be turned into kit, i.e., by such product standard according to computational manufacturing or processing Change), among inner liner first is embedded in into pump housing bushing after processing, then by the advancing slip dynamic bearing of driving screw, the sliding axle after screw rod Hold among inlay busher and load pin.Afterwards by major-minor screw rod be inserted in respectively inner liner and the advancing slip dynamic bearing of driving screw, After screw rod among sliding bearing, sliding bearing after driving screw is reloaded into, from the advancing slip dynamic bearing of screw rod.Principal and subordinate wheel is used afterwards The mode of key connection is respectively charged on master and slave screw rod, and stop washer, round nut and screw flight are connected.Finally will Pump front shroud is initially charged with a pair of hexagon socket cap head screws, then is installed the hole of other and indescribable connection with hex bolts.Finally Machine is sealed into the part installation i.e. maintenance of completion pump and part replacement.
The present invention the course of work be:Medium is flowed into by water inlet, due to pressure differential between water inlet and delivery port be present, Medium is flowed into by water inlet, and enters pump body cavity by the inlet opening of pump housing water inlet end, so by pump housing rear end outside Portion's bushing and the through hole of inner liner enter the annular seal space that two intermeshing master and slave screw rods and pump housing inwall are formed, and enter And change by the annular seal space volume formed by two intermeshing master and slave screw rods and pump housing inwall come pumped (conveying) medium, according to The secondary through hole for flowing through pump housing front end outer liner and inner liner, it is connected with the through hole of inner liner with front end outer liner Pump housing front end cavity and the delivery port being connected with cavity simultaneously flow out from delivery port.
To sum up, a kind of gap of the invention can adjust Quimby pump, in addition to the component that common Quimby pump has, also Including the supporting pump front shroud of replaceable pump body bushing, this inner liner and machinable screw slide bearing Seat and replaceable driving wheel and driven pulley.The present invention need to only change replaceable in the pump housing compared to common Quimby pump Inner liner and pump front shroud and replacing and the small processing of sliding bearing seating face to principal and subordinate wheel, pass through two spiral shells The mutual compression of bar, the method for two screw rods centre-to-centre spacing is reduced to reduce the leakage of pump caused by the abrasion of screw rod and pump bushing And the loss of caused aspect of performance, so as to extend its service life and reduce its maintenance cost.
It should be understood that above-mentioned example of applying is only illustrative of the invention and is not intended to limit the scope of the invention, the present invention is being read Afterwards, modification of the those skilled in the art to the various equivalent form of values of the present invention falls within the application appended claims and limited Scope.

Claims (5)

1. a kind of gap can adjust Quimby pump, including the pump housing (6), the internal inner liner (17) of the pump housing (6), driving screw (4), From screw rod (5), pump front shroud (1) that the pump housing (6) one end is set gradually, driving screw front slide bearing block (3), from screw rod front slide Bearing block (2);Plain bearing housing (15), the plain bearing housing after screw rod after the driving screw that the pump housing (6) other end is set gradually (14), driving wheel (8), driven pulley (7);
The driving screw (4) sequentially passes through plain bearing housing (15), inner liner (17), driving screw after driving wheel (8), driving screw Front slide bearing block (3), pump front shroud (1) and machine seal structure;It is described to sequentially pass through driven pulley (7), after screw rod from screw rod (5) Plain bearing housing (14), inner liner (17), from screw rod front slide bearing block (2);It is characterized in that:
The driving wheel (8), driven pulley (7) are meshed and replaceable;The inner liner (17) is cylinder, and inside is in " 8 " Font hollow structure, driving screw (4) can be accommodated, from screw rod (5);According to driving screw (4), from the degree of wear of screw rod (5) and The difference of pumped (conveying) medium, the inner liner (17) of replaceable different pore size and unlike material;In addition, corresponding processing driving screw is advancing slip Moving axis bearing (3) and from screw rod front slide bearing block (2), and plain bearing housing (15) and the sliding axle after screw rod after driving screw The shape of bearing (14) so that the shape of front and rear two pairs of plain bearing housings is " 8 " font structure;When screw rod wears, only need According to wear extent machining two to inside lining of the plain bearing housing contact portion (25) to cause plain bearing housing with newly change Set (17) is engaged,
The driving screw front slide bearing block (3), inner liner (17) front end is embedded in from screw rod front slide bearing block (2), and Inner liner (17), the pump housing (6) are connected with driving screw front slide bearing block (3) lower end with pin (18);In addition, the main spiral shell Plain bearing housing (15) after bar, plain bearing housing (14) is embedded in inner liner (17) rear end after screw rod, inner liner (17), The pump housing (6) with after screw rod plain bearing housing (14) be connected with pin (16) and inner liner is ensured that axially and radially position is consolidated It is fixed.
2. a kind of gap according to claim 1 can adjust Quimby pump, it is characterised in that driving screw (4) rear end Driving wheel (8), driving screw stop washer (12), driving screw round nut (13), driving screw (4) and driving wheel are cased with the shaft shoulder successively (8) it is connected between with key, ensures that its is radially fixed, and screwed with driving screw round nut (13), ensures that driving wheel (8) is axially solid It is fixed;It is described be cased with successively at the shaft shoulder of screw rod (5) rear end driven pulley (7), from screw rod stop washer (10), from screw rod round nut (11), it is connected between screw rod (5) and driven pulley (7) with key, ensures that its is radially fixed, and is revolved with from screw rod round nut (11) Tightly, driven pulley (7) axial restraint is ensured.
3. a kind of gap according to claim 1 can adjust Quimby pump, it is characterised in that the pump front shroud (1) is opened Have endoporus, the driving screw (4) passes through the endoporus, due to pump front shroud (1) interior hole site and driving screw (4) position and in For the heart away from relevant, the pump front shroud (1) is replaceable, i.e., the inner liner (17) of different pore size needs a kind of interior hole site to match somebody with somebody with it The pump front shroud (1) of set is corresponding.
4. a kind of gap according to claim 1 can adjust Quimby pump, it is characterised in that the machine seal structure passes through six Corner bolt is connected with pump front shroud (1), and the machine seal structure includes bearing block (22), machine envelope seat (23) and machine capping (24).
5. a kind of gap according to claim 1 can adjust Quimby pump, it is characterised in that the advancing slip moving axis of driving screw Bearing (3) and from screw rod front slide bearing block (2), and plain bearing housing (15) and the plain bearing housing after screw rod after driving screw (14) two plain bearing housing contact portions (25) need to be processed as annular indentation face, and annular indentation face fits so that forward and backward Two plain bearing housings are in " 8 " font structure respectively.
CN201610107811.0A 2016-02-26 2016-02-26 A kind of gap can adjust Quimby pump Expired - Fee Related CN105736359B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610107811.0A CN105736359B (en) 2016-02-26 2016-02-26 A kind of gap can adjust Quimby pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610107811.0A CN105736359B (en) 2016-02-26 2016-02-26 A kind of gap can adjust Quimby pump

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Publication Number Publication Date
CN105736359A CN105736359A (en) 2016-07-06
CN105736359B true CN105736359B (en) 2018-02-27

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2306340Y (en) * 1996-12-31 1999-02-03 西安交通大学 Double screw-type pump case for oil and gas mixed delivering
CN2735044Y (en) * 2004-08-25 2005-10-19 袁道幸 Integrated double-screw pump
CN202056047U (en) * 2010-12-29 2011-11-30 陈思 Adjustable double-screw pump sleeve
CN203272127U (en) * 2013-03-20 2013-11-06 浙江威隆机械科技有限公司 Wear-resisting device of rotor pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2306340Y (en) * 1996-12-31 1999-02-03 西安交通大学 Double screw-type pump case for oil and gas mixed delivering
CN2735044Y (en) * 2004-08-25 2005-10-19 袁道幸 Integrated double-screw pump
CN202056047U (en) * 2010-12-29 2011-11-30 陈思 Adjustable double-screw pump sleeve
CN203272127U (en) * 2013-03-20 2013-11-06 浙江威隆机械科技有限公司 Wear-resisting device of rotor pump

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