CN107989788A - A kind of SERVO CONTROL fueller - Google Patents

A kind of SERVO CONTROL fueller Download PDF

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Publication number
CN107989788A
CN107989788A CN201711221023.5A CN201711221023A CN107989788A CN 107989788 A CN107989788 A CN 107989788A CN 201711221023 A CN201711221023 A CN 201711221023A CN 107989788 A CN107989788 A CN 107989788A
Authority
CN
China
Prior art keywords
pump housing
rotor
servo control
spline
modified
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711221023.5A
Other languages
Chinese (zh)
Inventor
严婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cixi Sulun Sanitary Ware Industry Co Ltd
Original Assignee
Cixi Sulun Sanitary Ware Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cixi Sulun Sanitary Ware Industry Co Ltd filed Critical Cixi Sulun Sanitary Ware Industry Co Ltd
Priority to CN201711221023.5A priority Critical patent/CN107989788A/en
Publication of CN107989788A publication Critical patent/CN107989788A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0088—Lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0096—Heating; Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/20—Rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/60—Shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/805—Fastening means, e.g. bolts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/10—Force connections, e.g. clamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps

Abstract

The present invention relates to fueller technical field, more particularly to a kind of SERVO CONTROL fueller, its spline shaft to be set in the pump housing, holds oil pocket and is arranged on cycloid outer rotor side, blance line inner-rotor is internally provided with internal rotor spline；And assembly technology groove is provided with the outside of blance line inner-rotor, transmission internal spline is provided with spline shaft, spline shaft coordinates through blance line inner-rotor with modified sliding bearing to be installed；Side plate is snugly fitted on the pump housing, the circumferentially positioned pin of modified is made of rubber material, and be inserted into through side plate in pump housing location hole circumferentially disposed on the pump housing, oil-through-hole is provided with spline shaft, for the circulation of spline shaft internal oil passages, lubrication and heat dissipation；Internal rotor positioning circular arc, internal rotor left side locating slot and internal rotor right positioner groove are uniformly respectively arranged with along blance line inner-rotor inner circumferential to be used to position；Slip wear-resistant layer is provided with sliding bearing at the same time, effectively extends the service life of sliding bearing.

Description

A kind of SERVO CONTROL fueller
Technical field
The present invention relates to fueller technical field, more particularly to a kind of modified SERVO CONTROL fueller.
Background technology
Servo-control system is the feedback control system formed using Hydraulic power units as driving device, this In control system, output quantity can quickly and accurately reappear the changing rule of input quantity, thus have a wide range of application；And hydraulic pump It is then the control power source of system, will in SERVO CONTROL Fuel injection system according to current system characteristics constant to system fuel feeding Ask fueller that there is higher volumetric efficiency, gross efficiency and stability, can work under higher rotating speed and pressure.But The fueller used at present, when the pump housing and spline shaft are assembled because being not provided with assembling position limiting structure, easily coordinates pump chamber Seal face causes to damage, and because fit clearance is smaller, causes just to produce mechanical damage when starting test first after loading host Ruin or produce serious leak in later stage use；Fueller in the process of running mechanically damage by long-term existence at the same time When problem, i.e. sliding bearing are subject to the radial imbalance force from high pressure oil area different directions, spline shaft and cunning are easily caused Dynamic bearing point contact stress, and point contact stress causes some position serious wears of spline shaft and sliding bearing, other Position it is brand-new as before, spline shaft and sliding bearing must not be changed without when reusing, adds somewhat to equipment Use cost；The pump housing is connected the insertion of generally use metallic hard pin with side plate, and metallic hard pin is unfavorable for processing, installs positioning And follow-up repair demolition, and installation resistance is big, after fueller is completed, metallic hard pin cannot clasp side plate offside Plate is positioned, and is in turn resulted in side plate and is come off in assembling process, influences state and positioning that fueller loads host, and Because of processing and preceding road assembly precision during installation, cause to be bonded completely when loading host, improper installation occur and cause Focal drug-block and leakage.In addition, oil circuit inside spline shaft influences to spend because radial forces cause circulation to have some setbacks Key transmission shaft internal lubrication and heat dissipation, in turn result in pump body heating, ultimately result in armful of spline shaft and sliding bearing Dead property Focal drug-block.
The content of the invention
Technical problem solved by the invention is to provide a kind of SERVO CONTROL fueller, to solve above-mentioned background skill The shortcomings that in art.
Technical problem solved by the invention is realized using following technical scheme：
A kind of SERVO CONTROL fueller, including the pump housing, modified sliding bearing, the circumferentially positioned pin of modified and spline drived Axis, spline shaft are set in the pump housing by modified sliding bearing, and cycloid outer rotor is engaged with blance line inner-rotor, and together When be installed on the pump housing in, hold oil pocket be arranged on cycloid outer rotor side, blance line inner-rotor is internally provided with internal rotor spline, pump Pump chamber seal face is provided with body, and pump chamber seal face side is provided with assembly technology groove；Set on spline shaft There is transmission internal spline, spline shaft coordinates through blance line inner-rotor with modified sliding bearing to be installed；In addition, side plate is close to On the pump housing, the circumferentially positioned pin of modified is inserted into the circumferentially disposed pump housing location hole of the pump housing through side plate, and spline passes Oil-through-hole is provided with moving axis, to play the role of centrifugal pump, circulation for spline shaft internal oil passages, lubrication and is dissipated Heat；And uniformly it is respectively arranged with internal rotor positioning circular arc, internal rotor left side locating slot and internal rotor along blance line inner-rotor inner circumferential Right positioner groove, the locating and machining for blance line inner-rotor.
Modified sliding bearing, including bearing body, are provided with its bearing body and slide wear-resistant layer, left side oil storage tank With right side oil storage tank, sliding wear-resistant layer has the function that slip is wear-resistant, can effectively extend the service life of sliding bearing, left side Oil storage tank and right side oil storage tank are lubricated for oil storage, and assembling contraction mouth is provided with bearing body, contribute to sliding axle pressure-bearing Enter the deformation retract during pump housing, and inside and outside circular arc is non-theoretical standard round to sliding axle under natural conditions before the pump housing is pressed into, and is being pressed The circle of standard is just formed after entering pump housing contraction distortion, and then is engaged with spline shaft.
In the present invention, it is exterior on bearing body to be provided with assembling guiding surface, contribute to modified sliding bearing to pump Press-in in body, modified sliding bearing are pressed into week oil storage tank, right side oil storage tank and assembling contraction mouth position to the left during the pump housing The radial effect force direction that transmission internal spline is produced by pump oil should be avoided by putting.
The circumferentially positioned pin of modified, including shank, its shank are internally provided with deformable filler groove, become for assembling compression The receiving of shape, which, which is set, helps to assemble and dismantles, and when being assembled with complete machine, will not produce other influences, And contraction positioning inclined-plane is provided with outside shank, for clasping side plate, prevent it from coming off in assembling process, and shank is Rubber material is made, and since rubber material deformation loading resistance is small, has certain interference fit when loading pump housing location hole, Be conducive to the pump housing and side plate assembling and dismounting.
In the present invention, the mounting groove for mounting O-shaped rings is provided with the pump housing, side plate is close to pump housing installation, to fill Play the role of sealing anti-leak after entering host fastening, and the pump housing is made of Nodular cast iron material, traditional pump housing is cast using ash Iron, machinability is poor, now uses spheroidal graphite cast-iron instead, is effectively improved cutting ability and subsequent use wearability and Mechanics of Machinery Performance.
In the present invention, splined shaft transmission external splines, splined shaft transmission external splines and pendulum are provided with outside spline shaft Line internal rotor is driven by corresponding spline fitted, and when oil feed pump integrally loads host, host line shaft passes through flower in transmission Key drives spline shaft rotation, and through splined shaft transmission external splines driving blance line inner-rotor band dynamic cycloid outer rotor pump oil.
In the present invention, side plate location hole and side plate fastener hole are circumferentially provided with side plate.
In the present invention, pump housing fastener hole is also circumferentially provided with the pump housing, when the pump housing and side plate assembling, pump housing fastening Hole is overlapped with side plate fastener hole, and side plate location hole is overlapped with pump housing location hole, and the circumferentially positioned pin of modified is pumped through side plate insertion Fastened in body location hole, and the circumferentially positioned pin of modified tail end when being pressed into the pump housing first apart from 1~2mm of side plate, is used for Prevent fueller from coming off with host assembling process latus inframedium and positioning variation, when fueller loads host, because improving The circumferentially positioned pin of type is made of rubber material, and resistance of pressing in is smaller, and under the action of fastening force is assembled, modified is circumferentially positioned Sell exposed portion will the smoothly secondary press-in pump housing, and characteristic can be still held in position during secondary press-in, side Just install and ensure positioning accuracy.
In the present invention, locating slot and internal rotor right positioner groove are square structure on the left of internal rotor, easy to process fixed Position.
In the present invention, the center that the left side oil storage tank set on modified sliding bearing is linked to be with right side oil storage tank Connecting line is overlapped with the symmetrical center line of the pump housing, and to be in the pump housing symmetrical for the assembling contraction mouth set on modified sliding bearing High pressure oil area on the right side of center line；By the way that contraction mouth and pump housing arranged in dislocation will be assembled, come from modified sliding bearing During the different directions radial imbalance force of high pressure oil area, to realize complete circular arc stress, efficiently solve and ensureing fully circulation profit Mechanical damage problem, greatly extends the use of the pump housing and modified sliding bearing present in the fueller slided Service life.
In the present invention, the circle diameter of assembly technology groove is less than the root circle minimum diameter of blance line inner-rotor, ensures pump The volumetric efficiency of oil, positioning end face of the assembly technology groove as external mounting press when being pressed into sliding bearing, can effectively avoid Assembling damage to pump chamber seal face, ensures the applying working condition after original machining accuracy and assembling, avoids the occurrence of clamping stagnation and embraces Wait indefinitely Focal drug-block.
In the present invention, fastened after fueller integrally loads host by trip bolt, cycloid outer rotor and cycloid Internal rotor is under the action of internal spline is driven, by oil from pump housing side force feed to opposite side, then through host oil circuit driving servo set Received shipment turns；Oil-through-hole is provided with spline shaft, the effect of centrifugal pump is produced in the case where spline shaft rotates at a high speed, is used for Circulation, lubrication and the heat dissipation of spline shaft internal oil passages；To prevent pump body from heating up, the normal fortune of fueller is influenced OK.
Beneficial effect：The present invention on the outside of blance line inner-rotor by being provided with assembly technology groove, as external mounting press Positioning end face when being pressed into modified sliding bearing, so as to effectively avoid the assembling to pump chamber seal face from damaging, ensures former Applying working condition after some machining accuracies and assembling, avoids the occurrence of the Focal drug-blocks such as clamping stagnation locking；Set on modified sliding bearing Assembling contraction mouth is equipped with, deformation retract when helping to be pressed into the pump housing, while be provided with slip in modified sliding bearing and resist Layer and left and right side oil storage tank are ground, mechanical damage present in fueller is efficiently solved the problems, such as, greatly extends pump The service life of body and modified sliding bearing；And oil-through-hole is provided with spline shaft, to play the work of centrifugal pump With for the circulation of spline shaft internal oil passages, lubrication and heat dissipation；And the circumferentially positioned pin of modified is made of rubber material, Be conducive to the high accuracy positioning assembling of the pump housing and side plate and greatly facilitate detachable maintaining, while reduce circumferential to modified The machining accuracy of positioning pin, so it is cost-effective.
Brief description of the drawings
Fig. 1 is the structure diagram of presently preferred embodiments of the present invention.
Fig. 2 is sectional view at A-A in Fig. 1.
Fig. 3 is presently preferred embodiments of the present invention latus inframedium front view.
Fig. 4 is blance line inner-rotor front view in presently preferred embodiments of the present invention.
Fig. 5 is sliding bearing internal structure schematic diagram in presently preferred embodiments of the present invention.
Fig. 6 is circumferentially positioned latch structure schematic diagram in presently preferred embodiments of the present invention.
Fig. 7 is assembly technology slot structure schematic diagram in presently preferred embodiments of the present invention.
Fig. 8 is that modified sliding bearing is set in the scheme of installation in the pump housing in presently preferred embodiments of the present invention.
Fig. 9 is that fueller is completed rear view in presently preferred embodiments of the present invention.
Figure 10 is that fueller loads view after host in presently preferred embodiments of the present invention.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, below With reference to being specifically illustrating, the present invention is further explained.
Referring to a kind of SERVO CONTROL fueller of Fig. 1~10, including the pump housing 1, bearing body 2, appearance oil pocket 3, fastening spiral shell Nail 4, O-ring 5, cycloid outer rotor 6, transmission internal spline 7, spline shaft 8, oil-through-hole 9, blance line inner-rotor 10, side plate 11, Pump housing location hole 12, pump housing fastener hole 13, assembly technology groove 14, pump chamber seal face 15, side plate location hole 16, side plate fastening Hole 17, internal rotor positioning circular arc 18, internal rotor left side locating slot 19, internal rotor right positioner groove 20, shank 21, deformable filler Groove 22, shrink positioning inclined-plane 23, left side oil storage tank 24, right side oil storage tank 25, assembling contraction mouth 26, slip wear-resistant layer 27, dress With guiding surface 28, splined shaft transmission external splines 29 and internal rotor spline 30.
In the present embodiment, bearing body 2 is pressed into the pump housing 1 by press, is held oil pocket 3 and is arranged on cycloid outer rotor 6 one Side, because pump chamber seal face 15 is the mating surface of blance line inner-rotor 10, when being pressed into bearing body 2 in order to avoid being assembled in the later stage Pump chamber seal face 15 is damaged, and then influences to coordinate transmission, 10 side of blance line inner-rotor is provided with assembly technology groove 14, makees For positioning end face of the external mounting press when being pressed into bearing body 2, and the circle diameter R1 of assembly technology groove is less than in cycloid The root circle minimum diameter R2 of rotor, so as to effectively avoid the assembling to pump chamber seal face 15 from damaging, to ensure original add Applying working condition after work precision and assembling, avoids the occurrence of the Focal drug-blocks such as clamping stagnation locking；Cycloid outer rotor 6 and blance line inner-rotor 10 intermeshings, and be installed in the pump housing 1, spline shaft 8 coordinates through blance line inner-rotor 10 with bearing body 2 to be installed, flower Splined shaft transmission external splines 29 is provided with outside key transmission shaft 8, blance line inner-rotor 10 is internally provided with internal rotor spline 30, flower Key transmission shaft 8 and blance line inner-rotor 10 are driven by corresponding spline fitted, and when oil feed pump integrally loads host, host moves Power axis drives spline shaft 8 to rotate by being driven internal spline 7, and drives blance line inner-rotor through splined shaft transmission external splines 29 10 band dynamic cycloid outer rotor, 6 pump oil；O-ring 5 loads on the pump housing 1 in the mounting groove set, and has side plate 11 to be close to the pump housing 1 and pacify Dress, to play the role of sealing anti-leak after loading host and fastening；Oil-through-hole 9 is provided with spline shaft 8, to play The effect of centrifugal pump, for the circulation of 8 internal oil passages of spline shaft, lubrication and heat dissipation.
Side plate location hole 16 and side plate fastener hole 17 are circumferentially provided with side plate 11, and the pump housing is circumferentially provided with the pump housing 1 Location hole 12 and pump housing fastener hole 13, when the pump housing 1 and the assembling of side plate 11, pump housing fastener hole 13 and side plate fastener hole 17 overlap, Side plate location hole 16 and pump housing location hole 12 overlap；In addition, to prevent from coming off and positioning with host assembling process latus inframedium 11 Change, be provided with shank 21, it is more notable to realize by the change to positioning pin material and structure setting in the present embodiment Operation, assembling effect, shank 21 is made of rubber material, and since rubber material deforms, to load resistance small, determines when loading the pump housing There is certain interference fit during the hole 12 of position, be conducive to the pump housing 1 and assemble and dismantle with side plate 11, and 21 right end of shank is provided with receipts Contracting positioning inclined-plane 23, clasps side plate 11 when assemble for fueller, and the tail end distance in the press-in pump housing 1 first of shank 21 Side plate 2mm, for preventing fueller from coming off with host assembling process latus inframedium 11 and positioning variation, and it is right in shank 21 Deformable filler groove 22 is provided with end, for assembling the receiving of compression, which, which is set, helps to assemble and tear open Unload, when fueller loads host, because shank 21 is rubber material, resistance of pressing in is smaller, in the effect of assembling fastening force Under, the 2mm that shank 21 exposes will the smoothly secondary press-in pump housing 1, and being still held in position during secondary press-in Characteristic, conveniently installs and ensures positioning accuracy.
It is provided with bearing body 2 and slides wear-resistant layer 27, have the function that slip is wear-resistant, can effectively extends modified cunning The service life of dynamic bearing 2, left side oil storage tank 24 and right side oil storage tank 25 are additionally provided with bearing body 2, are moistened for oil storage It is sliding, assembling contraction mouth 26 is provided with bearing body 2, contributes to the deformation retract during press-in pump housing 1, and it is outer on bearing body 2 The assembling guiding surface 28 that portion is set contributes to press-in of the bearing body 2 into the pump housing 1, during the press-in pump housing 1 of bearing body 2 Circumferential position avoids the radial forces that spline shaft 8 is produced by pump oil；Uniformly distinguish along 10 inner circumferential of blance line inner-rotor Internal rotor positioning circular arc 18, internal rotor left side locating slot 19 and internal rotor right positioner groove 20 are provided with, for turning in cycloid The locating and machining of son 10.
In fueller assembling, when bearing body 2 loads the pump housing 1, the left side oil storage tank 24 and the right side oil storage that set thereon The central junction line B that groove 25 is linked to be is overlapped with the symmetrical center line A of the pump housing 1, and the assembling set on bearing body 2 is shunk Mouth 26 is in 1 symmetrical center line A of pump housing right sides, i.e. the Y areas (high pressure oil area) of the pump housing 1；After fueller integrally loads host Fastened by trip bolt 4, cycloid outer rotor 6 and blance line inner-rotor 10 prolong direction of arrow institute under the action of spline shaft 8 Show oil from X areas force feed to Y areas, and related spool equipment is driven through host oil circuit；By the way that contraction mouth 26 and the pump housing 1 will be assembled Arranged in dislocation, when bearing body 2 is subject to come from Y areas different directions radial imbalance force, can be achieved complete circular arc stress, Solve the problems, such as there is mechanical damage in the fueller under ensureing fully circulation lubrication, greatly extend The service life of the pump housing 1 and bearing body 2.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims And its equivalent thereof.

Claims (10)

1. a kind of SERVO CONTROL fueller, including the pump housing, modified sliding bearing, the circumferentially positioned pin of modified and spline drived Axis, it is characterised in that spline shaft is set in the pump housing by modified sliding bearing, cycloid outer rotor and blance line inner-rotor Engagement, and be installed at the same time in the pump housing, hold oil pocket and be arranged on cycloid outer rotor side, blance line inner-rotor is internally provided with internal rotor Spline, is provided with pump chamber seal face on the pump housing, and pump chamber seal face side is provided with assembly technology groove；Spline shaft On be provided with transmission internal spline, spline shaft coordinates through blance line inner-rotor with modified sliding bearing to be installed；In addition, side plate Snugly fit on the pump housing, the circumferentially positioned pin of modified is inserted into the circumferentially disposed pump housing location hole of the pump housing through side plate, spline Oil-through-hole is provided with transmission shaft；And uniformly it is respectively arranged with internal rotor positioning circular arc, internal rotor along blance line inner-rotor inner circumferential Left side locating slot and internal rotor right positioner groove.
A kind of 2. SERVO CONTROL fueller according to claim 1, it is characterised in that modified sliding bearing, including Bearing body, is provided with its bearing body and slides wear-resistant layer, left side oil storage tank and right side oil storage tank, and is set on bearing body There is assembling contraction mouth.
3. a kind of SERVO CONTROL fueller according to claim 2, it is characterised in that exterior on bearing body to be provided with Assemble guiding surface.
4. a kind of SERVO CONTROL fueller according to claim 1, it is characterised in that the circumferentially positioned pin of modified, bag Shank is included, shank is internally provided with deformable filler groove, and contraction positioning inclined-plane is provided with outside shank, and shank is rubber material Matter is made.
5. a kind of SERVO CONTROL fueller according to claim 1, it is characterised in that be provided with the pump housing for installing The mounting groove of O-ring, and the pump housing is made of Nodular cast iron material.
6. a kind of SERVO CONTROL fueller according to claim 1, it is characterised in that be provided with outside spline shaft Splined shaft is driven external splines.
7. a kind of SERVO CONTROL fueller according to claim 1, it is characterised in that side plate is circumferentially provided with side plate Location hole and side plate fastener hole.
8. a kind of SERVO CONTROL fueller according to claim 1, it is characterised in that pump is also circumferentially provided with the pump housing Body fastener hole.
A kind of 9. SERVO CONTROL fueller according to one of claim 1~2, it is characterised in that modified sliding axle The left side oil storage tank for holding setting is overlapped with the central junction line that right side oil storage tank is linked to be with the symmetrical center line of the pump housing, and is changed The assembling contraction mouth set on into type sliding bearing is in the high pressure oil area on the right side of pump housing symmetrical center line.
10. a kind of SERVO CONTROL fueller according to claim 1, it is characterised in that the circumference of assembly technology groove is straight Footpath is less than the root circle minimum diameter of blance line inner-rotor.
CN201711221023.5A 2017-11-29 2017-11-29 A kind of SERVO CONTROL fueller Pending CN107989788A (en)

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CN201711221023.5A CN107989788A (en) 2017-11-29 2017-11-29 A kind of SERVO CONTROL fueller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711221023.5A CN107989788A (en) 2017-11-29 2017-11-29 A kind of SERVO CONTROL fueller

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CN107989788A true CN107989788A (en) 2018-05-04

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112112952A (en) * 2020-09-15 2020-12-22 东风格特拉克汽车变速箱有限公司 Novel mechanical oil pump driven by main reduction gear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112112952A (en) * 2020-09-15 2020-12-22 东风格特拉克汽车变速箱有限公司 Novel mechanical oil pump driven by main reduction gear

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