CN101392719A

CN101392719A - Emulsified mixture radial plunger piston motor

Info

Publication number: CN101392719A
Application number: CNA200810122174XA
Authority: CN
Inventors: 尤新荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-30
Filing date: 2008-10-30
Publication date: 2009-03-25

Abstract

The invention provides an emulsifiable solution piston motor, which is suitable to be used in dangerous places with gas, such as a mine and a drivage working surface. The periphery of a pintle valve is provided with a pintle inlet, a pintle outlet, a liquid inlet and static seals; the middle of the pintle valve is provided with an emulsifiable solution oil return cavity B; a rotor is provided with a plunger piston hole, the inside of the plunger piston hole is provided with a movable plunger piston, a cylindrical roller and a movable seal, the cylindrical roller is contacted and matched with the inner wall of a stator, the pintle inlet and the pintle outlet are matched and communicated with the plunger piston hole, the movable seals A and B are used for isolating an emulsifiable solution working cavity C and an lubricate liquid cavity D, and the static A and B are used for isolating the emulsifiable solution entering cavity A and isolate the emulsifiable solution entering cavity A from emulsifiable solution entering cavity D. The isolation of the emulsifiable solution from the lubricate oil overcomes the disadvantages of poor viscosity property, rust-proof capacity and lubricate property of the emulsifiable solution. The pintle valve adopting circular static press supporting ensures the balance stress of the rotator eliminates the actions of auxiliary supporting and guiding by additional axial pressure, improves mechanical efficiency and volumetric efficiency, reduces abrasion and cost, can be manufactured into motors with highpower and high torque for mines.

Description

Emulsified mixture radial plunger piston motor

Technical field

The present invention relates to a kind of emulsion motor, the emulsified mixture radial plunger piston motor that the work medium uses is made with emulsified liquid in particularly a kind of hazardous location of the methane accumulation that suits to exist in colliery or driving face etc.

Background technique

Methane accumulation is one of dangerous reason in colliery on the coal mining working surface, therefore studying equipment safe in utilization both at home and abroad always, now adopt emulsified liquid as power source, safety in production to the colliery is very convenient, but also there are some defectives in emulsified liquid, its leakage rate senior general causes oil hydraulic motor working pressure and volumetric efficiency sharply to descend, lubricating function is poor, metal there is corrosive action, make the friction pair wearing and tearing aggravation of oil hydraulic motor, have a strong impact on the usability and the life-span of emulsion motor, therefore the oil hydraulic motor use emulsified liquid with conventional structure is impracticable as working medium substantially.

The patent No. 200420080076.1 " axial piston water motor ", this water motor has adopted built-up shaft to the plunger seal structure, effectively reduce the seal pressure differential of oil, water side, make the partition between oil, water more reliable, but this structure is to utilize axial plunger and italic effect to produce tangential force to make rotor rotation, therefore spinner velocity is too fast, work moment is little, also is not suitable for directly using as drive motor.

The patent No. 200610088465.2 " a kind of non-circular gear series emulsion motor " is though provide a kind of active chamber with automatic backlash compensate function, axially, radially all the possessing the seal-moving of making gap and remain at micron-sized function of this active chamber, adopt the motor of this structure when using emulsified liquid, to have higher volumetric efficiency and working life as working medium, but the difficult processing of the structure of this motor, inefficiency, working pressure are low, can't be made into powerful emulsion motor coal supply ore deposit and use.

Summary of the invention

Technical problem to be solved by this invention is: a kind of emulsified mixture radial plunger piston motor is provided, and its compact structure, volume are little, and output torque is big, the efficient height, and long service life, matter merit are than high.

The present invention addresses the above problem the technological scheme that is adopted: emulsified mixture radial plunger piston motor comprise stator and before, bonnet is fixedly connected into integral body, the front-end bearing pedestal that has bearing is fixed on the protecgulum, the output shaft that links into an integrated entity with rotor is supported by bearing, the through-flow dish that on-off valve is installed is fixed on the bonnet, an end that connects pintle on the described rotor, pintle end in addition is fixed on the bonnet, have on the periphery of described pintle, go out assignment hole, inlet opening and static seal, middle B chamber is the emulsified liquid oil back chamber, on the described rotor plunger hole is arranged, movably plunger and roller and motive sealing are installed in the plunger hole, and roller and stator inner wall contact matching, describedly advance, going out assignment hole communicates with described plunger hole cooperation, described dynamic seal ring first, second is used to isolate emulsified liquid work C chamber and Lubricants D chamber, described static seal circle first, second is used for the isolation in emulsified liquid feed liquor A chamber and the isolation between emulsified liquid feed liquor A chamber and Lubricants D chamber.

Compared with prior art, the invention has the advantages that: 1, adopted the isolation design of power source emulsified liquid and lubricant oil, be that the emulsified liquid work done just promotes plunger and does radial alignment motion, and as the part rotor and the plunger of transformation of energy, roller, crucial fastness such as stator but is in good oil lubrication state, make the viscosity characteristics of emulsified liquid poor, antirust ability is poor, unfavorable factors such as lubrication property difference are avoided, and its is explosion-proof, environmental protection, energy-conservation, the advantage that the emulsified liquid pumping source can obtain on the spot can make full use of, 2, at the low characteristic of emulsified liquid viscosity, break through the design of traditional piston motor end face axial flow and change pintle design into by annular hydrostatic support, the core part rotor that makes energy transfer is at the radial direction stress balance, eliminated axially additional hydraulic coupling, thereby make the output torque of motor big, pintle forms the pressure oil film with rotor in a circumferential direction, rotor rotation is played supplemental support and leading role, improved the mechanical efficiency of product, volumetric efficiency, the wearing and tearing of core part have been reduced, make product have higher starting efficiency again, working life, pintle directly inserts rotor center in addition, dwindled the axial dimension of motor greatly, thereby reduced the volume and weight of product, improved the matter merit ratio of product.3, rotor adopts single selfaligning bearing supporting, makes rotor have the semifloating function, can eliminate the influence that machining error causes by automatic capturing in rotation, thus the usability and the working life of having improved motor.

Description of drawings

Fig. 1, structural representation of the present invention.

The E of Fig. 2, Fig. 1-E view.

Fig. 3, pintle structural representation.

The G of Fig. 4, Fig. 3-G view.

Fig. 5, isolating seal structural representation of the present invention.

Fig. 6, rotor plunger hole distribution alternative plan structural representation of the present invention

Embodiment

Below in conjunction with accompanying drawing embodiments of the invention are further described.

Pintle 14 is cylindric centre, and through hole is arranged is emulsified liquid oil return B chamber, the radial surface direction have uniform even number (or odd number) be the waist shaped hole shape into and out of

assignment hole

21,22, do not communicate and communicate with the B chamber of pintle 14 centres respectively into and out of

assignment hole

21,22, and still be the twice of concavo-convex number on the stator 7 inwall concave-convex curved surfaces 20 into and out of identical its summation of number of

assignment hole

21,22, pintle 14 1 ends only have inlet opening 23, the other end have separately into and out of

assignment hole

21,22 half and half, as Fig. 2, Fig. 3, shown in Figure 4.

On-off valve 13 is installed in the through-flow dish 11, through-flow dish 11 is screwed with the bonnet 15 that has drain tap 18 and is integral, one end of pintle 14 is fixing by locating stud and screw and bonnet 15, end inserts the rotor 16 that is positioned at stator 7 centers in addition, go forward side by side, go out

assignment hole

21,22 even numbers (or odd number) even number (or the odd number) plunger hole 19 uniform with rotor outer surface matches, plunger 9 and roller 8 are housed in the plunger hole 19, plunger 9 can slidably reciprocate in plunger hole, roller 8 contacts with stator 7 inwall concave-convex curved surfaces 20, plunger hole 19 also can be designed to two misarrangement position structure arranged, as shown in Figure 6.

Dynamic seal ring first 17 is put into plunger hole 19 and plunger drive fit, and the Lubricants D chamber of plunger hole upper end and the power source emulsified liquid active chamber C chamber of lower end are kept apart.

Stator 7 is screwed with forward and backward lid 5,15 respectively and is integral, and rotor 16 is by selfaligning bearing 6 supportings that are fixed on the protecgulum 5.Output shaft 1 is fixed into integral body with rotor 16 usefulness splines, and by the spring bearing 4, lining 2 supportings that are installed on the front-end bearing pedestal 3, front-end bearing pedestal 3 is screwed on an end face of protecgulum 5, as shown in Figure 1.

On the protecgulum 5 with pintle 14 on inlet opening 23 places of communicating be the A chamber, it is the admission chamber of high-pressure emulsion, carry out static seal by static seal circle first 12 and static seal circle second 24, the B chamber is the emulsified liquid oil back chamber, plunger hole lower end on the rotor 16 is the emulsified liquid active chamber for the C chamber, be lubricated sap cavity for the D chamber between bonnet 15 and rotor, C chamber and D chamber are isolated by dynamic seal ring first 17, dynamic seal ring second 10, isolate with static seal circle first 12 between A chamber and D chamber, by the isolation of special isolation structure realization emulsified liquid and Lubricants, as shown in Figure 5.

During emulsion motor work, high-pressure emulsion is through on-off valve 13, through-flow dish 11 enter the inlet opening 23 on the pintle 14 and communicate advance assignment hole 21, enter the plunger hole 19 on the rotor 16 at last, the high-pressure emulsion that enters plunger hole promotes plunger 9 and roller 8 and slides outward and act on concave-convex curved surface 20 on stator 7 inwalls, when roller 8 when concave-convex curved surface 22 on the stator 7 contacts, stator 7 is given 8 one reaction forces of roller, this reaction force resolves into tangential force and radial force, because of plunger 9 is last, under the mutual balance of its radial force that is symmetrically distributed offset, only surplus tangential force passes to rotor 16 through roller 8 and plunger 9, make rotor drive output shaft 1 and rotate, thereby make the piston motor load reach needed torque and rotating speed.

As shown in Figure 2, rotor 16 is in continuous rotating process, plunger 9 in the plunger hole 19 of rotor 16, roller 8 outwards moves under the promotion of high-pressure emulsion, the concave surface at the H place on roller 8 and stator 7 concave-convex curved surfaces 20 contacts, plunger 9 is pushed back plunger hole, continuing to promote the rotor clockwise direction by epitrochanterian tangential force rotates, when roller 8 forwards the highest K of the convex surface position of concave-convex curved surface 20 to from the H position, at this moment the emulsified liquid that transformation of energy pressure has been reduced communicates with emulsified liquid oil return B chamber on the pintle 14 goes out assignment hole 22, just flow back to the B chamber and flow to through-flow dish 11 again through going out assignment hole 22, be that rotor revolves to turn around to have simultaneously and a plurality ofly advances assignment hole 21 and send high-pressure emulsion to plunger hole 19, there is the low pressure emulsified liquid in a plurality of plunger holes to get back to the B chamber synchronously through going out assignment hole 22, carry out the recovery of emulsified liquid, so constantly circulation drives output shaft 1 rotation by rotor 16, drives load emulsion boring machine rotation work again.

Claims

1, a kind of emulsified mixture radial plunger piston motor, comprise stator (7) and before, bonnet (5), (15) be fixedly connected into integral body, the front-end bearing pedestal (3) that has bearing is fixed on the protecgulum (5), and the output shaft (1) that rotor (16) links into an integrated entity is supported by bearing, the through-flow dish (11) that on-off valve (13) is installed is fixed on the bonnet (5), it is characterized in that described rotor (16) upward connects an end of pintle (14), pintle (14) end in addition is fixed on the bonnet (15), have on the periphery of described pintle (14), go out assignment hole (21), (22), inlet opening (23) and static seal, the centre is emulsified liquid oil return B chamber, plunger hole (19) is arranged on the described rotor (16), movably plunger (9) and roller (8) and motive sealing are installed in the plunger hole (19), and roller (8) and stator (7) inwall contact matching, describedly advance, go out assignment hole (21), (22) communicate with described plunger hole (19) cooperation, described motive sealing is the dynamic seal ring first, second (17), (10) be used to isolate emulsified liquid work C chamber and Lubricants D chamber, described static seal is a static seal circle first, second (12), (24) be used for the isolation in emulsified liquid feed liquor A chamber and the isolation between emulsified liquid feed liquor A chamber and Lubricants D chamber.

2, emulsified mixture radial plunger piston motor according to claim 1, it is characterized in that pintle (14) one ends only have inlet opening (23), the other end have separately into and out of assignment hole (21), (22) half and half, identical its summation of number into and out of assignment hole (21), (22) still is the twice that stator (7) inwall concave-convex curved surface (20) is gone up concavo-convex number, inlet opening (23) communicates with advancing assignment hole (21), goes out assignment hole (22) and communicates with the emulsified liquid oil return B chamber of pintle (14) centre.

3, emulsified mixture radial plunger piston motor according to claim 1, it is characterized in that described is that the uniform even number plunger hole (19) of even number and rotor (16) outer surface matches into and out of assignment hole (21), (22), and described plunger hole (19) also can be arranged two misarrangement positions.

4, emulsified mixture radial plunger piston motor according to claim 1 is characterized in that described rotor (16) is bearing on the protecgulum (5) by selfaligning bearing (6), and described output shaft (1) is bearing on the front-end bearing pedestal (3) by spring bearing (4), lining (2).

5, emulsified mixture radial plunger piston motor according to claim 1, it is characterized in that described dynamic seal ring first (17) puts into plunger hole (19) and plunger (9) drive fit, the Lubricants D chamber of plunger hole (19) upper end and the emulsified liquid work C chamber of lower end are isolated.

6, emulsified mixture radial plunger piston motor according to claim 1, an end that it is characterized in that described pintle (14) are fixing with bonnet (15) after by locating stud and screw, and end inserts in the rotor (16) at stator (7) center in addition.