CN104110288A - Oil temperature controllable type oil injection pump - Google Patents
Oil temperature controllable type oil injection pump Download PDFInfo
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- CN104110288A CN104110288A CN201410200829.6A CN201410200829A CN104110288A CN 104110288 A CN104110288 A CN 104110288A CN 201410200829 A CN201410200829 A CN 201410200829A CN 104110288 A CN104110288 A CN 104110288A
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Abstract
The invention relates to an oil injection pump, in particular to an oil temperature controllable type oil injection pump which comprises an oil injection pump body. A lubrication oil cavity is arranged in the oil injection pump body. The lubrication oil cavity is formed by a horizontal blind hole. The hole diameter of the blind hole is not smaller than 59 mm. An oil inlet is formed in the outer wall of the oil injection pump body. The oil inlet and the lubrication oil cavity are communicated to form a T-shaped lubrication oil way. The oil injection pump body is provided with a shaft cover plate. An oil returning hole is formed in the shaft cover plate. The oil returning hole is communicated with the lubrication oil way. According to the oil temperature controllable type oil injection pump, the hole diameter of a traditional lubrication oil cavity is changed, the hole diameter of the blind hole is arranged to be at least 59 mm, compared with a traditional straight through hole with the hole diameter smaller than 59 mm, the hole diameter is enlarged, quick flowing of lubrication oil is accelerated, the traditional phenomenon of surface heating which can happen easily is avoided, in addition, the oil inlet is directly communicated with the diesel engine lubrication oil way, external pipelines are reduced, occupied space is small, and the problem that a pipeline can be broken easily, or connecting is loosened, so that lubrication oil leakage is caused is avoided.
Description
Technical field
The present invention relates to mechanical & electrical technology field, be specifically related to Injection Pump.
Background technique
Often adopt an external pipe to realize oil-feed thereby traditional Injection Pump is lubricated, with the lubricant reservoir UNICOM of Injection Pump inside, this structure is because there being longer external oil pipe, take volume large, pipeline easily breaks or connects to become flexible and causes lubricant oil to leak, poor reliability, assembling inconvenient maintenance, time-consuming.
In addition easily there is the phenomenon of the too high surface heat of pump body temperature in traditional Injection Pump.
Summary of the invention
The object of the invention is to, a kind of oil temperature controllable type Injection Pump is provided, solve one or more in above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of oil temperature controllable type Injection Pump, comprise an Injection Pump main body, it is characterized in that, described Injection Pump main body is provided with the lubricant reservoir of a substantially horizontal, on described Injection Pump main body outer wall, offer a filler opening, described filler opening and described lubricant reservoir conducting form one and are T-shape lubricating oil path;
Described filler opening comprises the fuel-displaced end of a diesel engine mounting hole, and the fuel-displaced end of described mounting hole and diesel engine matches;
Described Injection Pump main body is provided with a shaft-cup plate, and described shaft-cup plate is provided with spill port, described spill port and described lubricating oil path conducting.
Lubricating oil path design of the present invention, can effectively solve the phenomenon of Injection Pump body surfaces heating.The present invention is directly provided with a filler opening on the sidewall of Injection Pump main body, direct and the diesel lubrication oil duct UNICOM by described filler opening, reduce and the setting that has substituted external pipeline, take volume little, prevent that former externally connected pipe Louis from breaking or connecting the loosening problem that causes lubricant oil to leak, thereby effectively raised the internal lubrication of Injection Pump main body.In addition, the present invention is by the spill port on shaft-cup plate and the conducting of lubricating oil path, thereby the Rational flow of increase lubricant oil in oil pocket eliminated dead angle, reduces oil temperature, further prevents the phenomenon of Injection Pump body surfaces heating.
The aperture of described blind hole is not less than 59mm.
By changing the pore size of conventional lubrication oil pocket, the aperture of blind hole is set to be not less than 59mm, compares traditional clear opening that is less than 59mm, has expanded aperture, has accelerated the rapid flow of lubricant oil, prevents that the phenomenon of surface heat from easily appearring in tradition.
The aperture of described mounting hole is not less than 10mm, is not more than 13mm.
Described filler opening also comprises an oil inlet hole, and the aperture of described oil inlet hole is less than the aperture of described mounting hole, and the aperture of described oil inlet hole is not more than 5mm.Be convenient to control the mobility status of lubricant oil.
Described filler opening is positioned at described Injection Pump main body underpart, and the right side of Injection Pump main body is not more than 9mm described in the distance between center line of described filler opening, and is not less than 5mm.
Described T-shape lubricating oil path comprises a horizontal oil circuit, a vertical oil circuit, and described horizontal oil circuit is made up of described blind hole, and described vertical oil circuit is made up of the Oil Guide passage of described oil inlet hole and described blind hole UNICOM;
Described guide's passage in the vertical direction is provided with a Right deviation angle being tilted to the right, and described Right deviation angle is not less than 17 °, and is not more than 23 °.
Described guide's passage in the vertical direction is also provided with a forward leaning angle turning forward, and described forward leaning angle is not less than 5 °, and is not more than 15 °.
Described Injection Pump main body comprises at least four cylinders;
Described blind hole is provided with at least four oil outlets, and the center line of described oil outlet and the center line of described blind hole are perpendicular, and the number of described oil outlet and the number of described cylinder match.Thereby the evenly even lubricity of each cylinder.
Described shaft-cup plate is provided with at least two, on each described shaft-cup plate, is equipped with two described spill ports.Thereby increase the Rational flow of lubricant oil, eliminate dead angle, reduce oil temperature, further prevent the phenomenon of surface heat.
In described Injection Pump main body, be provided with a fuel feeding ratch, be also provided with an oil mass limit stoper, described oil mass limit stoper comprises an adjusting screw, described adjusting screw and the interlock of described fuel feeding ratch;
Described adjusting screw is provided with an outside thread;
Described oil mass limit stoper also comprises swivel nut, and described swivel nut is provided with a through hole, and described through hole is provided with the internal thread matching with described adjusting screw.
The present invention, by having additional an oil mass limit stoper, is convenient to regulate in real time fuel delivery, and the present invention is by changing the relative position of adjusting screw and described swivel nut, and interlock regulates described fuel feeding ratch, thus the adjusting of fuel delivery.
Described Injection Pump main body comprises a housing, and described housing end face is provided with one for the installation position of described oil mass limit stoper is installed, and described oil mass limit stoper is provided with an assembly department, and the assembly department of described oil mass limit stoper and described installation position match.The present invention is arranged on the assembly department of oil mass limit stoper on the housing end face of Injection Pump main body, is convenient to install and removes.
Described installation position is in the right part of described swivel nut, and the outer wall of described assembly department is provided with outside thread.Oil mass limit stoper and Injection Pump main body are realized and being removably connected by screw thread.
The left side of described adjusting screw is provided with straight groove or cross recess.Be convenient to by straight screwdriver, Phillips screwdriver, adjusting screw be regulated.
The left part of described adjusting screw is removably connected with nut, between described nut and described swivel nut, is provided with a packing ring.Thereby strengthen limiting the relative position of adjusting screw and described swivel nut by nut.
The left part of described swivel nut is connected with a helmet.
As a kind of preferred version, the left part of described swivel nut is provided with an outside thread, and described helmet is provided with a blind hole, in described blind hole, is provided with internal thread, and described swivel nut and described helmet removably connect by internal and external threads;
The height of thread of described internal thread is less than the degree of depth of described blind hole.
Described helmet is provided with at least four the first threading holes, is also provided with at least four the second threading holes on described swivel nut, and described helmet is fixedly connected with described the second threading hole through described the first threading hole by a wire with described swivel nut.On the basis that the present invention connects in conventional threads, being provided with a wire and strengthening annexation, play and prevent that other people from arbitrarily regulating oil mass limit stoper, is a kind of simple and convenient effective alarm method.Once staff finds that wire exists phenomenon of rupture, just need to go the oil mass restriction situation that checks oil mass limit stoper whether to need change.
As another kind of preferred version, described helmet is positioned at the left side of described nut, between described helmet and described nut, is also provided with packing ring;
In described helmet, be provided with a blind hole, described blind hole is provided with an internal thread matching with the outside thread of described adjusting screw.
The position of further strengthening between adjusting screw and swivel nut by helmet limits.
Described helmet is provided with at least four the first threading holes, is also provided with at least four the 3rd threading holes on described nut, and described helmet is fixedly connected with described the 3rd threading hole through described the first threading hole by a wire with described nut.On the basis that the present invention connects in conventional threads, being provided with a wire and strengthening annexation, play and prevent that other people from arbitrarily regulating oil mass limit stoper, is a kind of simple and convenient effective alarm method.Once staff finds that wire exists phenomenon of rupture, just need to go the oil mass restriction situation that checks oil mass limit stoper whether to need change.
In described Injection Pump main body, be also provided with a camshaft, described camshaft comprises main shaft, cam, and described camshaft is provided with at least eight described cams, and the shape of described cam is consistent;
Described cam is different angle of swing on described main shaft, and the angle of swing difference of described cam is cyclically-varying;
The diameter of axle of described camshaft is not less than 30cm.
The angle of swing that the present invention presents on main shaft by even control cam, when main shaft rotation, cam synchronously rotates, on main shaft, present different rotary angle case according to cam, to control the oil spout order of each wheel cylinder, angle of swing difference is cyclically-varying, and controlling at least one wheel cylinder is one group, the time lag of every component pump oil spout is consistent, stablizes oil spout; In addition, overstriking of the present invention the diameter of axle of conventional cam shaft, strengthened the bearing strength of camshaft, prevent camshaft fatigue fracture, improve working life.
When the angle of swing of described cam is arithmetic progression, the angle of swing difference of described cam is 360 °/cam number.
When described camshaft is provided with eight described cams, the angle of swing of each cam differs 45 °.
Described camshaft is provided with 12 described cams, and the angle of swing difference of described cam is 15 °, the 45 ° cyclically-varyings that replace.
The cross section of described cam is the zhou duicheng tuxing of a sector structure, and upper half part of described cam is a semicircle, the extreme length of the cross section that described half diameter of a circle is described cam;
Lower half portion of described cam is provided with one first circular arc, and described the first circular arc is positioned at the bottom of described lower half portion, described the first circular arc and described semicircle concentric, the rotating center using the described center of circle as described cam;
The diameter of described the first circular arc is less than described half diameter of a circle, and the difference of described the first circular arc and described half diameter of a circle is not more than 25mm;
Between described semicircle and the first circular arc, be provided with a connecting line, on connecting line and vertical direction, angle is not less than 60 °.
The present invention, by controlling the poor of the first circular arc and described half diameter of a circle, controls the lift situation of cam, thereby the injection pump stroke while controlling cam rotation is controlled supply time; In addition, by cam profile of the present invention, when being convenient to any one cam of camshaft and rotating to top lift, other continuous oil storages in cam position place, and the length of holding time of top lift, thus realize the raising of charge oil pressure.
Described connecting line be one with the tangent tangent line of described the first circular arc, the left and right sides of symmetrical and described the first circular arc of described tangent line, the angle of the center line of described tangent line and described cam is not less than 60 °, is not more than 70 °.
The extreme length of the cross section of described cam is 56mm～60mm, the Extreme breadth 44mm～48mm of the cross section of described cam.
Between described tangent line and described semicircle, be provided with a transition arc, the radius of described transition arc is not less than 1mm, is not more than 10mm.Flatness while improving cam rotation.
The thickness of described cam is not less than 18mm.By controlling the thickness of cam, thereby improve the bearing strength of cam, improve the fatigue resistance of cam.
Described cam is provided with an axis hole, and described rotating center is positioned on the center line of described axis hole.Be convenient to removably connecting of cam.
The aperture of described axis hole is less than 2 times of radiuses of described the first circular arc, is greater than the radius of described the first circular arc.The size of controlling axis hole contributes to improve after cam installation and main shaft, the stability of rotation.
Described cam is provided with a protective layer outward.Thereby improve impact resistance of the present invention, improve noise damping, there is good erasure effect; Protective layer can reduce wearing and tearing, and the mechanical spark producing while reducing wear reduces the probability of happening exploding, and extends the working life of cam.
Described protective layer is positioned on the external diameter of described cam.Compare and be coated on whole cam, the more effective cost of having saved.
In described protective layer, be provided with a cooling medium layer, described cooling medium layer is wrapped between described protective layer and described cam outer wall.Thereby the mechanical spark probability causing while reducing cam rotation by described cooling medium.
The underpart of described Injection Pump main body is plane, described Injection Pump main body is removably connected with an Injection Pump bracket, described Injection Pump bracket comprises an Injection Pump mounting plate, described Injection Pump mounting plate is a horizontal panel structure, described Injection Pump mounting plate is provided with at least four Injection Pump mounting holes, and described Injection Pump bracket connects Injection Pump main body by described Injection Pump mounting hole;
Described Injection Pump mounting plate below is provided with a dunnage, and the longitudinal section of described Injection Pump mounting plate and described dunnage is a T-shaped structure;
Between described dunnage and described Injection Pump mounting plate, be provided with a stiffening rib.
The present invention is a horizontal panel structure by the Injection Pump mounting plate of traditional designed arc-shaped appearance is improved, can effectively solve the installation inconvenience of designed arc-shaped appearance, the structure of horizontal panel is easy to install, high with the matching of Injection Pump, and the Injection Pump bracket of this structure is easy to produce.In addition, corresponding supporting Injection Pump mounting end is also improved traditional designed arc-shaped appearance horizontal, thereby is convenient to improve the matching of Injection Pump and Injection Pump bracket.The present invention is convenient to improve the bearing strength of Injection Pump bracket of the present invention by be provided with stiffening rib between dunnage and Injection Pump mounting plate.
Brief description of the drawings
Fig. 1 is right elevation of the present invention;
Fig. 2 is the structural representation of lubricating oil path of the present invention;
Fig. 3 is a kind of structural representation of shaft-cup plate of the present invention;
Fig. 4 is Fig. 3 shaft-cup plate A-A place sectional view;
Fig. 5 is a kind of scheme of installation of oil mass limit stoper of the present invention;
Fig. 6 is the another kind of structural representation of oil mass limit stoper of the present invention;
Fig. 7 is a kind of structural representation of camshaft of the present invention;
Fig. 8 is the left view that camshaft of the present invention adopts Fig. 7 structure;
Fig. 9 is concrete 1 the plan view of implementing of Injection Pump bracket of the present invention;
Figure 10 is concrete 1 the plan view of implementing of Injection Pump bracket of the present invention;
Figure 11 is concrete 1 the left view of implementing of Injection Pump bracket of the present invention;
Figure 12 is the sectional view at the concrete plan view C-C place that implements 1 of Injection Pump bracket of the present invention;
Figure 13 is concrete 2 the plan view of implementing of Injection Pump bracket of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, further set forth the present invention below in conjunction with concrete diagram.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of oil temperature controllable type Injection Pump, comprises an Injection Pump main body, is provided with a lubricant reservoir in Injection Pump main body, and lubricant reservoir is made up of the blind hole 1 of a substantially horizontal, and the aperture of blind hole 1 is not less than 59mm; On Injection Pump main body outer wall, offer a filler opening 2, filler opening 2 forms one with lubricant reservoir conducting and is T-shape lubricating oil path; Injection Pump main body is provided with a shaft-cup plate 7, and shaft-cup plate 7 is provided with spill port 6, spill port 6 and lubricating oil path conducting.Lubricating oil path of the present invention designs, and can effectively solve the phenomenon of surface heat.By changing the pore size of conventional lubrication oil pocket, the aperture of blind hole 1 is set to be not less than 59mm, compares traditional clear opening that is less than 59mm, has expanded aperture, has accelerated the rapid flow of lubricant oil, prevents that the phenomenon of surface heat from easily appearring in tradition; In addition, the present invention is directly provided with a filler opening 2 on the sidewall of Injection Pump main body, direct and the diesel lubrication oil duct UNICOM by filler opening 2, reduce the setting of external pipeline, take volume little, prevent that pipeline from easily breaking or connecting the loosening problem that causes lubricant oil to leak, thereby effectively raised the internal lubrication of Injection Pump main body.In addition, the present invention is by the spill port on shaft-cup plate and the conducting of lubricating oil path, thereby the Rational flow of increase lubricant oil in oil pocket eliminated dead angle, reduces oil temperature, further prevents the phenomenon of surface heat.
Filler opening 2 comprises the fuel-displaced end of a diesel engine mounting hole 3, and mounting hole 3 matches with the fuel-displaced end of diesel engine, and the aperture of mounting hole 3 is not less than 10mm, is not more than 13mm.Thereby the direct and diesel lubrication oil duct UNICOM by filler opening 2.Filler opening 2 also comprises an oil inlet hole 4, and the aperture of oil inlet hole 4 is less than the aperture of mounting hole 3, and the aperture of oil inlet hole 4 is not more than 5mm.Be convenient to control the mobility status of lubricant oil.
Filler opening 2 is positioned at Injection Pump main body underpart, and the right side of the distance between center line Injection Pump main body of filler opening 2 is not more than 9mm, and is not less than 5mm.
T-shape lubricating oil path comprises a horizontal oil circuit, a vertical oil circuit, and horizontal oil circuit is made up of blind hole 1, and vertically oil circuit is made up of oil inlet hole 4 and the Oil Guide passage of blind hole 1 UNICOM; Guide's passage in the vertical direction is provided with a Right deviation angle being tilted to the right, and Right deviation angle is not less than 17 °, and is not more than 23 °.Guide's passage in the vertical direction is also provided with a forward leaning angle turning forward, and forward leaning angle is not less than 5 °, and is not more than 15 °.
Injection Pump main body comprises at least four cylinders; Blind hole 1 is provided with at least four oil outlets 5, and the center line of the center line of oil outlet 5 and blind hole 1 is perpendicular, and the number of oil outlet 5 and the number of cylinder match.Thereby the evenly even lubricity of each cylinder.
Shaft-cup plate is provided with at least two, is equipped with two spill ports on each shaft-cup plate.Thereby increase the Rational flow of lubricant oil, eliminate dead angle, reduce oil temperature, further prevent the phenomenon of surface heat.
Referring to Fig. 5, Fig. 6, in Injection Pump main body, be provided with a fuel feeding ratch 12, be also provided with an oil mass limit stoper, oil mass limit stoper comprises an adjusting screw 11, adjusting screw 11 links with fuel feeding ratch 12; Adjusting screw 11 is provided with an outside thread; Oil mass limit stoper also comprises swivel nut 13, and swivel nut 13 is provided with a through hole, and through hole is provided with the internal thread matching with adjusting screw 11.The present invention, by having additional an oil mass limit stoper, is convenient to regulate in real time fuel delivery, and the present invention is by changing the relative position of adjusting screw 11 and swivel nut 13, and interlock regulates fuel feeding ratch 12, thus the adjusting of fuel delivery.The present invention drives fuel feeding ratch to rotate by adjusting screw, thereby realizes the fine setting of fuel feeding ratch.Fuel feeding ratch is provided with the locating slot matching with adjusting screw.By adjusting screw is screwed in to locating slot, thereby realize the interlock of adjusting screw and fuel feeding ratch.Adjusting screw also can replace with bolt.
The right part of swivel nut is provided with a cylinder type cavity, and the outer wall of cylinder type cavity is provided with assembly department, the left end of cylinder type cavity and through hole conducting; The right part of adjusting screw is provided with a contacting part contacting with fuel feeding ratch, and contact position is in cylinder type cavity, and contacting part external diameter is greater than the maximum outside diameter of through hole, and is less than the internal diameter of cylinder type cavity; The central axis of the central axis of through hole and cylinder type cavity is on same straight line.Adjusting screw is carried out the relative position adjustment with swivel nut in cylinder type cavity.The outer wall of cylinder type cavity is provided with assembly department, and contacting part moves in cylinder type cavity, and the sectional area of cylinder type cavity is greater than the sectional area of through hole, and through hole, in order to the adjustment of adjusting screw and swivel nut mutual alignment relation, is locked by nut.
Injection Pump main body comprises a housing, and housing end face is provided with one for the installation position of oil mass limit stoper is installed, and oil mass limit stoper is provided with an assembly department, and assembly department and the installation position of oil mass limit stoper match.The present invention is arranged on the assembly department of oil mass limit stoper on the housing end face 18 of Injection Pump main body, is convenient to install and removes.Installation position is in the right part of swivel nut 13, and the outer wall of assembly department is provided with outside thread.Oil mass limit stoper and Injection Pump main body are realized and being removably connected by screw thread.
The left side of adjusting screw 11 is provided with straight groove or cross recess.Be convenient to by straight screwdriver, Phillips screwdriver, adjusting screw 11 be regulated.The left part of adjusting screw 11 is removably connected with nut 14, between nut 14 and swivel nut 13, is provided with a packing ring.Thereby strengthen limiting the relative position of adjusting screw 11 and swivel nut 13 by nut 14.
The left part of swivel nut 13 is connected with a helmet 15.
As a kind of preferred version, the left part of swivel nut 13 is provided with an outside thread, and helmet 15 is provided with a blind hole, is provided with internal thread in blind hole, and swivel nut 13 removably connects by internal and external threads with helmet; The height of thread of internal thread is less than the degree of depth of blind hole.Helmet 15 is provided with at least four the first threading holes 16, is also provided with at least four the second threading holes 17 on swivel nut 13, and helmet 15 is fixedly connected with the second threading hole 17 through the first threading hole 16 by a wire with swivel nut 13.On the basis that the present invention connects in conventional threads, being provided with a wire and strengthening annexation, play and prevent that other people from arbitrarily regulating oil mass limit stoper, is a kind of simple and convenient effective alarm method.Once staff finds that wire exists phenomenon of rupture, just need to go the oil mass restriction situation that checks oil mass limit stoper whether to need change.Referring to Fig. 5.
As another kind of preferred version, helmet 15 is positioned at the left side of nut 14, between helmet 15 and nut 14, is also provided with packing ring; In helmet 15, be provided with a blind hole, blind hole is provided with an internal thread matching with the outside thread of adjusting screw 11.The position of further strengthening between adjusting screw 11 and swivel nut 13 by helmet 15 limits.Helmet 15 is provided with at least four the first threading holes 16, is also provided with at least four the 3rd threading holes 19 on nut 14, and helmet 15 is fixedly connected with the 3rd threading hole 19 through the first threading hole 16 by a wire with nut 14.On the basis that the present invention connects in conventional threads, being provided with a wire and strengthening annexation, play and prevent that other people from arbitrarily regulating oil mass limit stoper, is a kind of simple and convenient effective alarm method.Once staff finds that wire exists phenomenon of rupture, just need to go the oil mass restriction situation that checks oil mass limit stoper whether to need change.Referring to Fig. 6.
Helmet is provided with a helmet threading portion, and helmet threading portion is provided with the first threading hole, and the cross section of helmet threading portion is regular polygon, and the two end part of the first threading hole are positioned at respectively the adjacent edge of regular polygon.Swivel nut is provided with a swivel nut threading portion, and swivel nut threading portion is provided with the second threading hole, and the cross section of swivel nut threading portion is regular polygon, and the two end part of the second threading hole are positioned at respectively the adjacent edge of regular polygon.Swivel nut threading portion is positioned at the central authorities of swivel nut.Nut is provided with a nut threading portion, and nut threading portion is provided with the 3rd threading hole,, the cross section of nut threading portion is regular polygon, and the two end part of the 3rd threading hole are positioned at respectively the adjacent edge of regular polygon.
Referring to Fig. 7, Fig. 8, in Injection Pump main body, be also provided with a camshaft, camshaft comprises main shaft, cam, and camshaft is provided with at least eight cams, and the shape of cam is consistent; Cam is different angle of swing on main shaft, and the angle of swing difference of cam is cyclically-varying; The diameter of axle of camshaft is not less than 30cm.The angle of swing that the present invention presents on main shaft by even control cam, when main shaft rotation, cam synchronously rotates, on main shaft, present different rotary angle case according to cam, to control the oil spout order of each wheel cylinder, angle of swing difference is cyclically-varying, and controlling at least one wheel cylinder is one group, the time lag of every component pump oil spout is consistent, stablizes oil spout; In addition, overstriking of the present invention the diameter of axle of conventional cam shaft, strengthened the bearing strength of camshaft, prevent camshaft fatigue fracture, improve working life.
When the angle of swing of cam is arithmetic progression, the angle of swing difference of cam is 360 °/cam number.As, when camshaft is provided with eight cams, the angle of swing of each cam differs 45 °.Or camshaft is provided with 12 cams, the angle of swing difference of cam is 15 °, the 45 ° cyclically-varyings that replace.Referring to Fig. 7.The fuel injection camshaft body that Fig. 7 shows is provided with 12 cams, the first cam A, the second cam B, the 3rd cam C, four-cam D, the 5th cam E, the 6th cam F, the 7th cam G, the 8th cam H, the 9th cam I, the tenth cam J, the 11 cam K, the 12 cam L.The cam profile of this 12 cam is referring to Fig. 8, and Fig. 8, has also demonstrated the corresponding angle of swing situation of each cam, and the angle of swing difference of cam is the cyclically-varying that the first angle changing α, the second angle changing β replace.
In cam, be provided with an angle transducer, cam is provided with an angle transducer mounting groove, and mounting groove is provided with one and renovates.Be convenient to the installation and removal of angle transducer.Angle transducer connects a microprocessor system, and microprocessor system connects a display screen.Thereby realize the rotation situation of monitoring cam, thereby the covert oil spout situation of knowing Injection Pump wheel cylinder.
Cam and main shaft removably connect, and spindle outer wall is provided with a telescopic plug-in unit, and cam is provided with a through hole, and the diameter of axle of through hole and main shaft matches, and the outer wall of through hole is provided with the groove matching with plug-in unit.The present invention is by controlling the flexible situation of plug-in unit, thereby controls being connected of groove and plug-in unit, then realizes the dismounting of cam.
Main shaft comprises a motion portion, a fixing part, and plug-in unit is positioned at the outer wall of motion portion, and fixing part is fixedly connected with a rotating shaft, and motion portion is provided with the attachment hole matching with the rotating shaft diameter of axle.Motion portion can rotate around the axis.Motion portion connects an electric rotating machine rotating for actuation movement portion by driving mechanism.Also can be that rotating shaft is the rotating shaft of electric rotating machine.Motion portion rotates around the diameter of axle on main shaft by rotating shaft.In motion portion, be also provided with an angle transducer, angle transducer connects a microprocessor system, and microprocessor system connects electric rotating machine.Thereby drive shaft motion.Monitor the rotation situation of cam by angle transducer, thereby pass through microprocessor system according to the rotation situation of the real-time adjustment cam of actual requirement.Avoid conventional cam to be fixedly connected with main shaft, and the non-exchange property of the cam angle degree causing.
The cross section of cam is the zhou duicheng tuxing of a sector structure, and upper half part of cam is a semicircle, the extreme length of the cross section that half diameter of a circle is cam; Lower half portion of cam is provided with one first circular arc, and the first circular arc is positioned at the bottom of lower half portion, and the first circular arc and semicircle concentric, using the center of circle as the rotating center of cam; The diameter of the first circular arc is less than half diameter of a circle, and the difference of the first circular arc and half diameter of a circle is not more than 25mm, between semicircle and the first circular arc, is provided with a connecting line, and on connecting line and vertical direction, angle is not less than 60 °.The present invention, by controlling the poor of the first circular arc and half diameter of a circle, controls the lift situation of cam, thereby the injection pump stroke while controlling cam rotation is controlled supply time; In addition, by cam profile of the present invention, when being convenient to any one cam of camshaft and rotating to top lift, other continuous oil storages in cam position place, and the length of holding time of top lift, thus realize the raising of charge oil pressure.
Connecting line is one and the tangent tangent line of the first circular arc, the symmetrical left and right sides with the first circular arc of tangent line, and the angle γ of the center line of tangent line and cam is not less than 60 °, is not more than 70 °.Between tangent line and semicircle, be provided with a transition arc, the radius of transition arc is not less than 1mm, is not more than 10mm.Flatness while improving cam rotation.
The extreme length of the cross section of cam is 56mm～60mm, the Extreme breadth 44mm～48mm of the cross section of cam.The thickness of cam is not less than 18mm.By controlling the thickness of cam, thereby improve the bearing strength of cam, improve the fatigue resistance of cam.
Cam is provided with an axis hole, and rotating center is positioned on the center line of axis hole.Be convenient to removably connecting of cam.The aperture of axis hole is less than 2 times of radiuses of the first circular arc, is greater than the radius of the first circular arc.The size of controlling axis hole contributes to improve after cam installation and main shaft, the stability of rotation.
Cam is provided with a protective layer outward.Thereby improve impact resistance of the present invention, improve noise damping, there is good erasure effect; Protective layer can reduce wearing and tearing, and the mechanical spark producing while reducing wear reduces the probability of happening exploding, and extends the working life of cam.Protective layer is positioned on the external diameter of cam.Compare and be coated on whole cam, the more effective cost of having saved.Between cam body and protective layer, be provided with an adhesive layer, protective layer is a wear-resisting pressure-resistant rubber layer.Thereby realize wear-resisting withstand voltage, reduce wearing and tearing effect.Protective layer can be also a coat of metal.In protective layer, be provided with a cooling medium layer, cooling medium layer is wrapped between protective layer and cam outer wall.Thereby the mechanical spark probability causing while reducing cam rotation by cooling medium.In cooling medium layer, be provided with a refrigeration system, control in real time the temperature of cam outer wall by refrigeration system.
Referring to Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, the underpart of Injection Pump main body is plane, Injection Pump main body is removably connected with an Injection Pump bracket, Injection Pump bracket comprises an Injection Pump mounting plate 1a, Injection Pump mounting plate 1a is a horizontal panel structure, and Injection Pump mounting plate 1a is provided with at least four Injection Pump mounting holes, and Injection Pump bracket connects Injection Pump main body by Injection Pump mounting hole; Injection Pump mounting plate 1a below is provided with a dunnage 2a, and the longitudinal section of Injection Pump mounting plate 1a and dunnage 2a is a T-shaped structure; Between dunnage 2a and Injection Pump mounting plate 1a, be provided with a stiffening rib.The present invention is a horizontal panel structure by the Injection Pump mounting plate 1a of traditional designed arc-shaped appearance is improved, can effectively solve the installation inconvenience of designed arc-shaped appearance, the structure of horizontal panel is easy to install, high with the matching of Injection Pump, and the Injection Pump bracket of this structure is easy to produce.In addition, corresponding supporting Injection Pump mounting end is also improved traditional designed arc-shaped appearance horizontal, thereby is convenient to improve the matching of Injection Pump and Injection Pump bracket.The present invention is convenient to improve the bearing strength of Injection Pump bracket of the present invention by be provided with stiffening rib between dunnage 2a and Injection Pump mounting plate 1a.
Between Injection Pump mounting plate 1a and dunnage 2a, be provided with at least two triangle stiffening rib 3a, two right angle sides of triangle stiffening rib 3a are fixedly connected with Injection Pump mounting plate 1a, dunnage 2a respectively.Triangle is a rock-steady structure, and the present invention is by being provided with triangle stiffening rib 3a in the both sides of Injection Pump mounting plate 1a, thus the bearing strength of raising Injection Pump bracket of the present invention.
Dunnage 2a is provided with positioning dowel hole, is also provided with bracket mounting hole.Thereby determine mounting position degree of the present invention by positioning dowel hole.Positioning dowel hole, the situation of specifically arranging that is also provided with bracket mounting hole are adjusted according to the concrete installation form of bracket.Injection Pump mounting hole is provided with four, and Injection Pump mounting hole lays respectively at four ends of Injection Pump mounting plate 1a, and Injection Pump mounting hole is to establish female through hole.Realize location and the installation of four pins by Injection Pump mounting hole, Injection Pump mounting hole site, in four ends of Injection Pump mounting plate 1a, is accurately located and stable effect of installing thereby realize.Injection Pump mounting plate 1a is also provided with at least two fixing screw holes, and fixing screw hole is diagonal angle and is arranged in Injection Pump mounting plate 1a above, and the height of thread of fixing screw hole is not less than 10mm, is not more than 14mm.The present invention is by the combination of fixing screw hole and Injection Pump mounting hole, thereby further reinforcement accurately located and stablize the effect of installing.
Concrete enforcement 1, referring to Fig. 9, Figure 10, Figure 11, Figure 12, Injection Pump mounting plate 1a is also provided with two fixing screw holes, the first fixing screw hole, the second fixing screw hole, the first fixing screw hole equates from the distance of Injection Pump mounting plate 1a front side with the second fixing screw hole from the distance of Injection Pump mounting plate 1a rear side, and the first fixing screw hole equates from the distance on Injection Pump mounting plate 1a right side with the second fixing screw hole from the distance in Injection Pump mounting plate 1a left side.Realize the object that diagonal orientation is installed.The underpart of Injection Pump mounting plate 1a is fixedly connected with a half sphere shape 4a, half sphere shape 4a be positioned at fixing screw hole under, half path length of half sphere shape is not less than 20mm, is not more than 15mm.Be preferably 17mm.The present invention by being provided with a half sphere shape under fixing screw hole, thereby solve that perforate is answered at fixing screw hole place and the low phenomenon of intensity that causes, ensure that Injection Pump mounting plate 1a is provided with that on the intensity at fixing screw hole place and Injection Pump mounting plate 1a, not to be provided with the strength difference at fixing screw hole place little.The center line of half sphere shape and the centerline of fixing screw hole are on same straight line.
Injection Pump mounting plate 1a comprises an Injection Pump placement section, also comprise an Injection Pump assembly department, Injection Pump installation position is in the two ends, left and right of Injection Pump placement section, Injection Pump assembly department is provided with Injection Pump mounting hole and fixing screw hole, and the centerline of Injection Pump mounting hole and fixing screw hole is on same level line.
The height of Injection Pump assembly department is greater than the height of Injection Pump placement section.The front end of Injection Pump placement section is provided with a groove, and the cross section of groove is circular-arc.Contribute to reduce weight of the present invention by being provided with a groove at the front end of Injection Pump placement section.Triangle stiffening rib 3a is positioned at the left side of groove, and the number of triangle stiffening rib 3a is consistent with the number of groove.The present invention is arranged at groove by triangle stiffening rib 3a, thereby realizes under the prerequisite that reduces weight of the present invention, has ensured that the bearing strength of groove is unaffected.
The central authorities of Injection Pump mounting plate 1a can be provided with an oil leaking hole.Weight of the present invention can be further reduced by oil leaking hole, in addition, the long-pending oily phenomenon of ponding that traditional Injection Pump bracket occurs can also be prevented.
Concrete enforcement 2, referring to Figure 13, also can be provided with the rectangular stiffening rib that a longitudinal section is rectangle between Injection Pump mounting plate 1a and dunnage 2a.Thereby further improve the bearing strength of Injection Pump bracket of the present invention.The upper end portion of rectangular stiffening rib is fixedly connected with Injection Pump mounting plate 1a, and the rearward end of rectangular stiffening rib is fixedly connected with dunnage 2a.The underpart of rectangular stiffening rib is connected with a semicylinder, the height of semicylinder is consistent with the length of rectangular stiffening rib, the external diameter of semicylinder is consistent with the thickness of rectangular stiffening rib, semicylinder and rectangular stiffening rib are integrated into the 3rd stiffening rib 5a, and the 3rd stiffening rib 5a is between triangle stiffening rib 3a.The 3rd stiffening rib 5a is provided with a cylinder type through hole, and the center line of cylinder type through hole and the centerline of semicylinder are on same straight line.Ensureing, under the prerequisite of bearing strength of the present invention, further to reduce weight of the present invention by cylinder type through hole.The 3rd stiffening rib is provided with a cylinder type through hole, and the center line of cylinder type through hole and the centerline of semicylinder, on same straight line, are provided with an internal thread in cylinder type through hole.Be convenient to install the present invention.
Injection Pump bracket adopts cast iron quality, can be gray iron 250 materials.
Injection Pump bracket is provided with pair of lamina material-structure, and internal layer is with outer, and the intensity of internal layer material is less than the intensity of outer material.The present invention, by by the structure of conventional monolayers material, changes double-deck material into, thereby is ensureing under the prerequisite of intensity of the present invention, can be further cost-saving.In outer material, be provided with anti-particle water.Thereby realize antirust object.Also can be that outer material is evenly coated with one deck waterproof coating outward.Its weight percentages of waterproof coating is: epoxy resin 17-30; Active magnetic iron powder 30-60; Anti-settling agent 3-10; Dispersing agent 0.1-2; Mixed solvent 1-3.Utilization has the magnet of premium properties and reasonable prices and applies dexterously other color, filler, and auxiliary agent and obtain thering is unique black gray expandable, simultaneously extremely strong with iron and steel compatibility and anode corrosion inhibition own.Mixed solvent is the additive with different colours feature.
On Injection Pump bracket outer wall, be also provided with one for placing the radio frequency card mounting groove of radio frequency card.The present invention, by be provided with radio frequency card mounting groove on outer wall, contributes to user by radio frequency identification equipment, radio frequency to be sticked into after line scanning, the relevant parameter information of identification the present invention, the convenience that the information of realization is known.Replace traditional nameplate, in addition, the inconvenience that tradition is installed due to nameplate, often nameplate is that finished product just has, and is not often provided with mark for parts independently.User is difficult to obtain the comparatively inconvenience of relevant information of small parts.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. an oil temperature controllable type Injection Pump, comprise an Injection Pump main body, it is characterized in that, described Injection Pump main body is provided with the lubricant reservoir of a substantially horizontal, on described Injection Pump main body outer wall, offer a filler opening, described filler opening and described lubricant reservoir conducting form one and are T-shape lubricating oil path;
Described filler opening comprises the fuel-displaced end of a diesel engine mounting hole, and the fuel-displaced end of described mounting hole and diesel engine matches;
Described Injection Pump main body is provided with a shaft-cup plate, and described shaft-cup plate is provided with spill port, described spill port and described lubricating oil path conducting.
2. a kind of oil temperature controllable type Injection Pump according to claim 1, it is characterized in that: described T-shape lubricating oil path comprises a horizontal oil circuit, one vertical oil circuit, described horizontal oil circuit is made up of described blind hole, and described vertical oil circuit is made up of the Oil Guide passage of described oil inlet hole and described blind hole UNICOM;
Described guide's passage in the vertical direction is provided with a Right deviation angle being tilted to the right, and described Right deviation angle is not less than 17 °, and is not more than 23 °.
3. a kind of oil temperature controllable type Injection Pump according to claim 1, is characterized in that: described Injection Pump main body comprises at least four cylinders;
Described blind hole is provided with at least four oil outlets, and the center line of described oil outlet and the center line of described blind hole are perpendicular, and the number of described oil outlet and the number of described cylinder match.
4. a kind of oil temperature controllable type Injection Pump according to claim 1, it is characterized in that: in described Injection Pump main body, be provided with a fuel feeding ratch, also be provided with an oil mass limit stoper, described oil mass limit stoper comprises an adjusting screw, described adjusting screw and the interlock of described fuel feeding ratch;
Described adjusting screw is provided with an outside thread;
Described oil mass limit stoper also comprises swivel nut, and described swivel nut is provided with a through hole, and described through hole is provided with the internal thread matching with described adjusting screw.
5. a kind of oil temperature controllable type Injection Pump according to claim 4, it is characterized in that: described Injection Pump main body comprises a housing, described housing end face is provided with one for the installation position of described oil mass limit stoper is installed, described oil mass limit stoper is provided with an assembly department, and the assembly department of described oil mass limit stoper and described installation position match.
6. a kind of oil temperature controllable type Injection Pump according to claim 5, is characterized in that: the left part of described swivel nut is connected with a helmet;
The left part of described swivel nut is provided with an outside thread, and described helmet is provided with a blind hole, in described blind hole, is provided with internal thread, and described swivel nut and described helmet removably connect by internal and external threads;
The height of thread of described internal thread is less than the degree of depth of described blind hole;
Described helmet is provided with at least four the first threading holes, is also provided with at least four the second threading holes on described swivel nut, and described helmet is fixedly connected with described the second threading hole through described the first threading hole by a wire with described swivel nut.
7. a kind of oil temperature controllable type Injection Pump according to claim 1, it is characterized in that: in described Injection Pump main body, be also provided with a camshaft, described camshaft comprises main shaft, cam, and described camshaft is provided with at least eight described cams, and the shape of described cam is consistent;
Described cam is different angle of swing on described main shaft, and the angle of swing difference of described cam is cyclically-varying;
The diameter of axle of described camshaft is not less than 30cm.
8. a kind of oil temperature controllable type Injection Pump according to claim 7, it is characterized in that: described main shaft comprises a motion portion, one fixing part, described plug-in unit is positioned at the outer wall of described motion portion, described fixing part is fixedly connected with a rotating shaft, and described motion portion is provided with the attachment hole matching with the described rotating shaft diameter of axle.
9. a kind of oil temperature controllable type Injection Pump according to claim 7, it is characterized in that: the cross section of described cam is the zhou duicheng tuxing of a sector structure, upper half part of described cam is a semicircle, the extreme length of the cross section that described half diameter of a circle is described cam;
Lower half portion of described cam is provided with one first circular arc, and described the first circular arc is positioned at the bottom of described lower half portion, described the first circular arc and described semicircle concentric, the rotating center using the described center of circle as described cam;
The diameter of described the first circular arc is less than described half diameter of a circle, and the difference of described the first circular arc and described half diameter of a circle is not more than 25mm.
10. a kind of oil temperature controllable type Injection Pump according to claim 7, is characterized in that: described cam is provided with a protective layer outward, is provided with a cooling medium layer in described protective layer.
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| CN201410200829.6A CN104110288B (en) | 2014-05-13 | 2014-05-13 | A kind of oil temperature controllable type injection pump |
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| CN201410200829.6A CN104110288B (en) | 2014-05-13 | 2014-05-13 | A kind of oil temperature controllable type injection pump |
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| CN104110288A true CN104110288A (en) | 2014-10-22 |
| CN104110288B CN104110288B (en) | 2016-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK178732B1 (en) * | 2016-03-23 | 2016-12-12 | Hans Jensen Lubricators As | A method and installation for metering of lubricating oil in the cylinders, preferably in the 2-stroke diesel engines and the use of such a method and system |
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| JP2000104519A (en) * | 1998-09-25 | 2000-04-11 | Daihatsu Motor Co Ltd | Lubricating device of internal combustion engine |
| CN202510265U (en) * | 2012-03-29 | 2012-10-31 | 江西直方数控动力有限公司 | Direct synthesis injection pump of mine electrical unit |
| CN103196025A (en) * | 2013-04-03 | 2013-07-10 | 中国兵器工业集团第七0研究所 | Integrated oil pump of diesel engine |
| US20130174802A1 (en) * | 2012-01-05 | 2013-07-11 | Ford Global Technologies, Llc | Engine lubrication system |
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- 2014-05-13 CN CN201410200829.6A patent/CN104110288B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000104519A (en) * | 1998-09-25 | 2000-04-11 | Daihatsu Motor Co Ltd | Lubricating device of internal combustion engine |
| US20130174802A1 (en) * | 2012-01-05 | 2013-07-11 | Ford Global Technologies, Llc | Engine lubrication system |
| CN202510265U (en) * | 2012-03-29 | 2012-10-31 | 江西直方数控动力有限公司 | Direct synthesis injection pump of mine electrical unit |
| CN103196025A (en) * | 2013-04-03 | 2013-07-10 | 中国兵器工业集团第七0研究所 | Integrated oil pump of diesel engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK178732B1 (en) * | 2016-03-23 | 2016-12-12 | Hans Jensen Lubricators As | A method and installation for metering of lubricating oil in the cylinders, preferably in the 2-stroke diesel engines and the use of such a method and system |
| WO2017162253A1 (en) * | 2016-03-23 | 2017-09-28 | Hans Jensen Lubricators A/S | Method and system for dosing lubricating oil into cylinders, preferably in two-stroke diesel engines, and use of such method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104110288B (en) | 2016-08-24 |
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