CN201078315Y

CN201078315Y - Composite oil transferring pump

Info

Publication number: CN201078315Y
Application number: CNU2006200968278U
Authority: CN
Inventors: 詹国山
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-21
Filing date: 2006-05-21
Publication date: 2008-06-25
Anticipated expiration: 2016-05-21

Abstract

A compound oil transfer pump is composed of a mechanical piston oil transfer pump and an electromagnetic plunger oil transfer pump, which take a pump body as the same body and are connected, combined and communicated to form a composite oil transfer pump. The connection and communication of the two pumps are realized by the structural transformation of the pump body, so that the matching between the technology implementation and the main frame is fulfilled. The specific arrangement modes comprises two types, wherein, one type is that: the switchover compound oil transfer pumps of a mechanical pump chamber and an electromagnetic pump chamber are arranged in parallel on the pump body; the other type is that: corner compound oil transfer pumps of the mechanical pump chamber and the electromagnetic pump chamber are vertically installed on the pump body. The automation and integration of the supply, air exhausting and wax melting of a diesel engine oil gallery can be realized by the utility model, which expresses the humanization of the operation.

Description

Composite oil transfer pump

Technical field

The utility model relates to a kind of oil transfer pump, in particular for diesel engine oil supply system, and integrated mechanical pump oil and two Composite oil transfer pumps that function is an one of electromagnetic pump oil.

Background technique

The present mechanical oil transfer pump that uses to engine oil, most of what adopt is manual method for exhausting, uses very inconvenience, when oil circuit break down or mechanical oil transfer pump parts damages after, must shut down and wait to repair, can not effectively ensure normal operation.The Composite oil transfer pump of now having announced, though proposed to solve the method that oil circuit is supplied with problem theoretically, but exist structure to mate with main frame, the design deficiency that pump housing parts can't be made, the disclosed utility model patent of ZL20042007612X for example, and factor such as power, volume, can not find application.

Summary of the invention

For the automation, integrated that realizes the supply of diesel engine oil circuit, exhaust, melts wax, embody the hommization of operation, the utility model proposes a kind of Composite oil transfer pump.

Design concept of the present utility model is: Composite oil transfer pump, form by mechanical piston oil transfer pump and electromagnetic plunger oil transfer pump, both are same section body with the pump housing, through mutual accepting, make up, work hard in glove with, constitute Composite oil transfer pump, and both accept to work hard in glove with and realize, thereby realize technology implementation and mate with main frame by the pump body structure transition regime.

The specific implementation of the utility model Composite oil transfer pump is divided into two kinds: be installed in Composite oil transfer pump and the Composite oil transfer pump of coupling on jet pump on the engine body.

Composite oil transfer pump, on a pump housing, be arranged in juxtaposition mechanical pump chamber, electromagnetic pump chamber, the mechanical pump chamber sets gradually working machine pump assemblies such as push rod, piston, Returnning spring, and the electromagnetic pump chamber is provided with electromagnetic pump work packages such as pump head, Returnning spring, plunger, cylinder sleeve, coil, magnetic conduction pump case; The mechanical pump chamber rides in the mounting flange upper end, and the lower end sets out oily interface and connects fuel-displaced head; Electromagnetic pump chamber and mechanical pump chamber disjunctor array, the lower side is established filler opening and is communicated with pump head is vertical; Pump housing upper end is provided with oil pocket and is connected with the pump housing, works hard in glove with mechanical pump chamber and electromagnetic pump chamber, the plunger on pressure-bearing mechanical pump Returnning spring and the electromagnetic pump Returnning spring; Switching oil circuit cavity upper end is established electric control chamber and is drawn tenminal block, and negative pole and electric control chamber overlap joint constitute the loop, and pegs graft by the circuit lumen pore and the coil of oil pocket; Pump head, plunger, piston, fuel-displaced inner chamber are forward established one-way valve; Push rod one end withstands on the piston lower surface, and an end is exposed to outside the guide hole end face, during installation and cam tangent; The push rod guide hole is straight-through by flange axle center and mechanical pump chamber, becomes 60 degree angles with end face of flange; Combination is worked hard in glove with and accepted to mechanical pump assembly, electromagnetic pump assembly through the switching of switching oil circuit cavity on pump housing identical carrier, constitute Composite oil transfer pump.

Composite oil transfer pump, on a pump housing, combined machine pump, electromagnetic pump assembly in length and breadth by pump housing corner interface with mutual accept combination, realize that oil duct works hard in glove with compound; That is: on the vertical axial of pump housing end face of flange, establish the mechanical pump chamber, set gradually the driven subassembly of forming by roller, roller base, roller pin, pulley in the chamber---pumps such as roller assembly and push rod, piston, Returnning spring oil assembly; Returnning spring places between an oil-feed inner chamber and the piston cavity, and the oil-feed head is connected on the pistons work chamber, and the push rod two ends withstand on roller base inner chamber and piston outer end respectively; Roller assembly, push rod, piston are slidingly matched at pump housing inner chamber, constitute mechanical piston oil transfer pump assembly; Distolateral spending to corner 90 established mechanical pump and electromagnetic pump oil duct via in mechanical pump chamber medial axis, threaded coupling is established in the outer end of guide hole, and engage thread is undertaken on electromagnetic pump pump case and assembly cylinder sleeve thereof, Returnning spring, plunger, coil, gland, fuel-displaced head on the pump housing beyond the pump head; Returnning spring places plunger cavity to contact with pump head, and plunger and cylinder sleeve are slidingly matched, and cylinder sleeve is interference fitted on the pump head, the outside is established coil assembly and is placed in the pump case, and pump case one end is pressed on the pump housing by the pump head lock, and an end is connected with fuel-displaced head, fuel-displaced head is the lock Device for pressing cylinder liner when connecting pump case, gland; Cylinder sleeve and oil outlet are straight-through; Establish the electric control chamber interface at other side direction corner 90 degree of mechanical pump chamber axis line end with the pump case coaxial line and be connected electric control chamber; Electric control chamber is drawn tenminal block, and a unit positive pole is drawn input and inserted body, and negative pole and electric control chamber housing overlap joint constitute the loop, and pegging graft with coil in insulation sleeve by the circuit lumen pore of the pump housing in another unit, constitutes electromagnetic plunger oil transfer pump assembly; Oil-feed head, piston, plunger cavity are forward established one-way valve; The installation flange is established in the roller assembly guide hole outside, and roller and roller base partly are exposed to outside the guide hole end face, contact with cam during installation; Mechanical pump assembly, electromagnetic pump assembly through accepting combination in length and breadth, are worked hard in glove with compoundly on pump housing carrier by the corner of oil duct, constitute Composite oil transfer pump.

The working principle of described Composite oil transfer pump: open the electromagnetic pump power switch, the electric control chamber energising produces pulse and attracts electromagnetic pump plunger back and forth movement under the effect of Returnning spring, the pump internal check valve is opened---close, go round and begin again, with the fuel from fuel tank pump to oil pocket, produce oil pressure and deliver to jet pump, air in the oil circuit is back to fuel tank by return line under the effect of oil pressure, fuel tank → oil transfer pump → jet pump → return tube → fuel tank forms the Rapid Cycle body, this moment ato unit, cam on the motor promotes the mechanical pump push rod, and push rod promotes piston, and piston is back and forth movement under the effect of Returnning spring, go round and begin again, increased suction again, it and the mutually compound common generation suction of electromagnetic pump increase charge oil pressure and oil mass, for jet pump provides sufficient oil mass, ensure that motor starts and proper functioning smoothly; When engine operation just often, can stop electromagnetic pump, mechanical pump relies on cam to promote its fuel feeding.When diesel oil waxization, engine start not or work when undesired, start the electromagnetic pump fuel feeding, electromagnetic pump can make fuel oil heat up in crossing oil and cyclic process to melt wax, increase charge oil pressure and oil mass simultaneously, ensure motor startup and proper functioning smoothly; When the oil circuit overlength, during low pressure oil circuit undersupply, start the electromagnetic pump fuel feeding, increase low pressure oil circuit supply pressure and oil mass, ensure the power performance of locomotive; When meeting mechanical oil transfer pump parts damages by chance not during fuel feeding, start the electromagnetic pump fuel feeding, repair again after making the locomotive proper functioning deliver to the destination to service station nearby or with goods, avoided the parking trailer.

The electromagnetic pump working principle: electromagnetic pump is realized by electric control chamber, that is: the input of positive source and electromagnetic pump is anodal connects, negative pole constitutes the loop by the pump housing and locomotive conducting, delay circuit moves back the output high level immediately, the high level of arteries and veins control circuit starting of oscillation output certain frequency, pulse also drives output circuit work, make coil produce the plunger of electromagnetic pulse suction pump with certain frequency back and forth movement (under the effect of Returnning spring) with identical frequency energising, the pump internal check valve follows action (opening-cut out), go round and begin again, with the fuel oil suction pump internal oil channel in the fuel tank, form oil pressure and deliver to jet pump.Because the pump housing adopts Heat Conduction Material, wind-cooling heat dissipating can be passed through in the outside, and oily heat conduction can be passed through in inside, and electromagnetic pump can improve the usability of oil transfer pump with the mechanical pump continuous operation.

Beneficial effect: described Composite oil transfer pump, arrange that by Rational structure accomplish that pump housing parts are made easily in structure and main frame coupling, the automation, integrated that realizes the supply of diesel engine oil circuit, exhaust, melts wax embodies the hommization of operating.

Description of drawings

Fig. 1 is a kind of Composite oil transfer pump embodiment's a structural drawing;

Fig. 2 is another kind of Composite oil transfer pump embodiment's a structural drawing;

Fig. 3 is along the A-A sectional view among Fig. 2.

Fig. 4 is Composite oil transfer pump embodiment's an automatical control system schematic diagram.

Embodiment

Composite oil transfer pump as shown in Figure 1, placement of mechanical pump chambers in upright arrangement, electromagnetic pump chamber on the pump housing 1, the mechanical pump chamber is provided with working machine pump assemblies such as push rod 26, piston 5, Returnning spring 6; Returnning spring 6 places between the inner chamber of oil pocket 9 and piston 5, and piston 5, push rod 23 are slidingly matched with its chamber; Oil sealing 2 is established in push rod 23 outer ends, the machine oil of the lubricated push rod 23 of packing and the fuel oil of supply engine; The mechanical pump chamber rides in flange upper end, and the lower side sets out oily interface, and engage thread is connected with oil out port by seal ring 3 and leads directly to beyond fuel-displaced 4; Electromagnetic pump chamber and mechanical pump chamber disjunctor array, the electromagnetic pump chamber is provided with electromagnetic pump work packages such as pump head 19, Returnning spring 18, plunger 17, cylinder sleeve 12, coil assembly 16, magnetic conduction pump case 20; Pump head 19 is fixed on the central axis hole of electromagnetic pump chamber by countersunk screw 24, communicate with filler opening is vertical through sealing, pump head 19 outer end interference sealings cooperate cylinder sleeve 12, cylinder sleeve 12 built-in plungers 17, plunger 17 inner chambers are established Returnning spring 18 and are placed on pump head 19 conical surface platforms, and cylinder sleeve 12 is slidingly matched with plunger 17, and coil assembly 16 is established in the outer end, bump protection ring 21 is established at the support two ends of coil assembly 16, and coil assembly 16 outer ends are established magnetic conduction pump case 20 and are pressed on the electromagnetic pump chamber inner wall through pump head 19 locks; Coil assembly 16 upper ends are established gland 15 and are placed on the electromagnetic pump chamber end face button step, lock line ball circle assembly 16; Coaxial cavity even part---the oil pocket 9 of transferring of establishing in the upper end of mechanical pump chamber and electromagnetic pump chamber, be connected with the pump housing 1 with countersunk screw on the upper-end surface by countersunk screw 7, electromagnetic pump oil cylinder (cylinder sleeve 12) is communicated with mechanical pump oil cylinder (mechanical pump chamber), oil pocket 9 is established cylinder pad 25 envelope Device for pressing cylinder liner 12, cylinder sleeve 12 is formed with oil pocket 9 accept the sealing oil duct; Mechanical pump chamber end face is established O shape ring recess, is built-in with O shape circle 8, presses formation to accept the sealing oil duct through the envelope of accepting of oil pocket 9; Oil pocket 9 upper ends are established and are accepted the son button, by countersunk screw of accepting that electric control chamber 10 is fixed on oil pocket 9 are buckled; Electric control chamber 10 is drawn tenminal block, and a unit positive pole is drawn input and inserted body 13, and negative pole 11 constitutes the loop with electric control chamber housing overlap joint, pegs graft with coil 16 in insulation sleeve 14 by the circuit lumen pore downwards in another unit; Pump head 19, plunger 17, piston 5, fuel-displaced 4 inner chamber are forward established one-way valve 22 respectively; Push rod 23 1 ends withstand on piston 5 lower end surfaces, and an end exposes outside the guide hole, during installation and cam tangent; Guide hole is straight-through by flange axle center and mechanical pump chamber, becomes 60 degree angles with flange.Combination is worked hard in glove with and accepted to mechanical pump assembly, electromagnetic pump assembly through the switching of oil pocket 9 on the carrier of the pump housing 1, constitute the switching Composite oil transfer pump.No matter be plunger or piston, under the effect of its active-source, all can be through the reaction back and forth movement of Returnning spring, the pump internal check valve follows and opens-closes, go round and begin again, and fuel from fuel tank is by the electromagnetic pump oil duct, enter the mechanical pump oil duct through switching oil pocket guiding, through fuel-displaced head to jet pump.

As Fig. 2, Composite oil transfer pump shown in 3, on the vertical axial of the pump housing 1 end face of flange, establish the mechanical pump chamber, set gradually in the chamber by roller, roller base, roller pin, driven subassembly---roller assembly 4 and push rod 3 that pulley is formed, piston 6, assembly such as oil such as Returnning spring 7 pumps such as grade, Returnning spring 7 places between oil-feed 10 and piston 6 inner chambers, oil-feed 10 is connected in the work chamber of piston 6 forms filler opening, oil sealing 2 is established in push rod 3 outer ends, packing machine oil and fuel oil, push rod 3 two ends withstand on respectively on the end face of the inner chamber of roller assembly 4 and piston 6, roller assembly 4, push rod 3, piston 6 is slidingly matched at the pump housing 1 inner chamber, constitutes mechanical piston oil transfer pump assembly; Distolateral spending to corner 90 established mechanical pump oil duct and electromagnetic pump oil duct via in the medial axis of mechanical pump chamber, screw socket is established in the guide hole outer end, beyond the pump head 12 engage thread with electromagnetic pump pump case 19 and assembly cylinder sleeve 15, Returnning spring 13, plunger 14, coil brace 20 and winding at the coil on the support 20 22, gland 18, be undertaken on the pump housing 1 for fuel-displaced 17; Returnning spring 13 places plunger 14 inner chambers to contact with pump head 12, plunger 14 is slidingly matched with cylinder sleeve 15, cylinder sleeve 15 interference sealings are engaged on the pump head 12, the coil 22 of coil brace 20 and winding is established in the outside, place in the pump case 19, pump case 19 1 ends are pressed on the pump housing 1 by pump head 12 locks, one end is threaded with fuel-displaced 17, fuel-displaced 17 when connecting pump case 19, lock Device for pressing cylinder liner 15, gland 18, put cylinder pad 16 envelope Device for pressing cylinder liner 15 on fuel-displaced the 17 chamber groove, make cylinder sleeve 15 form straight-through sealing oil duct with fuel-displaced 17.Establish electric control chamber 26 interfaces at other side direction corner 90 degree of mechanical pump chamber axis line end with pump case 19 coaxial lines and be connected electric control chamber 26, electric control chamber 26 is drawn tenminal block, one unit positive pole is drawn input and is inserted body 29, negative pole 28 constitutes the loop with electric control chamber 26 housings overlap joint, pegging graft with coil terminals 25 in insulation sleeve 24 in another unit, constitutes electromagnetic plunger oil transfer pump assembly; Oil-feed 10, piston 6, plunger 14 inner chambers are forward established one-way valve 8; The installation flange is established in roller assembly 4 guide hole outer ends, and roller is slidingly matched through roller pin and locks in the roller base upper end by pulley, and jump ring 5 is spacing on the pump housing 1 with the roller base pintle hook lock, and roller and roller base partly are exposed to outside the guide hole end face, and roller contacts with cam during installation.Mechanical pump assembly, electromagnetic pump assembly are accepted combination in length and breadth by what corner was led mouthful on the carrier of the pump housing 1, work hard in glove with compoundly mutually, constitute the corner Composite oil transfer pump.Piston or plunger are under the effect of its active-source, and through the reaction back and forth movement of Returnning spring, the pump internal check valve follows and open-close, and go round and begin again, and fuel from fuel tank enters the electromagnetic pump oil duct by mechanical pump oil duct corner, through fuel-displaced head to jet pump.

The automatical control system principle of Composite oil transfer pump shown in Fig. 1 and the Composite oil transfer pump shown in Fig. 2 is identical, specifically as shown in Figure 4, adopts the arteries and veins control crystal drive circuit control system of shaking.

The Composite oil transfer pump of above-listed two kinds of features, integrated mechanical piston oil transfer pump, electromagnetic plunger oil transfer pump are one, utilize the conversion of the two to transmit compound increase charge oil pressure and oil mass, realize exhaust by the oil pressure active force, utilize electric energy to transform preheating and increase circulating load time realization and melt wax, scientific structure, easy to operate, time saving and energy saving, improved the startup usability of motor, realized pump oil, exhaust, melted the wax automation, integrated, embody the hommization of operation, can be widely used in the oil supply system of electric system diesel locomotive.

Important technological parameters: nominal voltage: 24V, operating voltage: 18～30V, electric current 6～10A.Fuel-displaced closing pressure: electromagnetic pump: 0.12～0.20Mpa, mechanical pump: 0.2～1.5Mpa, combined pump: 0.25～2.0Mpa.Oil pump capacity: electromagnetic pump: 1.5～3L/min, mechanical pump: 3～4.5L/min, combined pump: 3.5～5L/min.

Claims

1. Composite oil transfer pump, it is characterized in that: on a pump housing, be arranged in juxtaposition mechanical pump chamber, electromagnetic pump chamber, the mechanical pump chamber sets gradually working machine pump assemblies such as push rod, piston, Returnning spring, and the electromagnetic pump chamber is provided with electromagnetic pump work packages such as pump head, Returnning spring, plunger, cylinder sleeve, coil, magnetic conduction pump case; Mechanical pump chamber lower end is provided with the mounting flange upper end, and lower end side oil interface connects fuel-displaced head; Electromagnetic pump chamber and mechanical pump chamber disjunctor array, the lower side is established filler opening and is communicated with pump head is vertical; Pump housing upper end is provided with oil pocket and is connected with the pump housing, works hard in glove with mechanical pump chamber and electromagnetic pump chamber, the plunger on pressure-bearing mechanical pump Returnning spring and the electromagnetic pump Returnning spring; Switching oil circuit cavity upper end is established electric control chamber and is drawn tenminal block, and negative pole and electric control chamber overlap joint constitute the loop, and pegs graft by the circuit lumen pore and the coil of oil pocket; Pump head, plunger, piston, fuel-displaced inner chamber are forward established one-way valve; Push rod one end withstands on the piston lower surface, and an end is exposed to outside the guide hole end face; The push rod guide hole is straight-through by flange axle center and mechanical pump chamber, becomes 60 degree angles with end face of flange; Combination is worked hard in glove with and accepted to mechanical pump assembly, electromagnetic pump assembly through the switching of switching oil circuit cavity on the pump housing, constitute Composite oil transfer pump.

2. Composite oil transfer pump according to claim 1 is characterized in that: described pump head is provided with one-way valve chamber, sealed adhesive slot, ring washer groove and the uniform counterbore of 120 degree; The described mode of accepting is that the coaxial two ends of cavity are accepted the pump housing and electric control chamber respectively, connects by the transition " R " of protruding is corresponding.

3. the described Composite oil transfer pump of claim 1 is characterized in that: described electromagnetic pump is realized by the arteries and veins control crystal drive circuit control system of shaking.