CN1358944A - Hydraulic rotary wheel - Google Patents

Abstract

The hydraulic turning wheel includes three types of single hydraulic working component, assembled wheel type, single hydraulic working component, integral wheel type and double hydraulic working component, assembled wheel type. it is characterized by that it is used for making mechanical and hydraulic power conversion and transmission, at the same time it can directly bear the radial, axial and their mixed and alternative additonal load, so that said hydraulic turning wheel not only can be used as hydraulic pump and motor, but also can be formed into the weight-bearing moving wheel of hydraulic-driven running mechanism and vehicle. It possesses extensive application range.

Description

Hydraulic rotary wheel

One, technical field: the invention relates to a kind of rotary displacement quantitative hydraulic pump and motor that disposes the transmission of power active wheel.

Two, background technique: a few days ago, I am 00119358.9 in application number, name is called in the application for a patent for invention of " rotary displacement fluid is pressed defeated and transmission device ", a kind of hinged oscillating vane of hollow solid of rotation by rotor has been proposed as the transfiguration member, by endoporus combine with hollow solid of rotation, the periphery pass-out carries out the rotary displacement quantitative hydraulic pump of transmission of power and the technological scheme of motor to the drive plate that is loaded on its both sides stator.Oil hydraulic pump and motor according to this scheme structure are compared with the other types oil hydraulic pump and the motor of existing purposes of the same race, though it is simple in structure, advantage of low manufacturing cost is obvious, but, on the concrete solution that guarantees synthetic operation performances such as volumetric efficiency and operating life, still be weak.

Three, summary of the invention: technical problem to be solved in the utility model is, based on above-mentioned background technique, remedy its shortcoming, part is according to background technique, construct a kind of volumetric efficiency height, long working life that is made of preparation of hydraulic working part and drive plate periphery (perhaps outer shroud) thereof or equipped transmission of power work wheel body, is used for machinery, hydraulic power is changed and the hydraulic rotary wheel of transmission.The solution of this technical problem is realized by following scheme:

This hydraulic rotary wheel is made of the drive plate periphery of hydraulic working part and rotor thereof (perhaps outer shroud) preparation or equipped transmission of power work wheel body.The basic structure of its hydraulic working part is, with the endoporus is the sliding bearing working surface, outer circumferential face is provided with the main body of the hollow solid of rotation of equipped oscillating vane free bearing as rotor along Zhou Junbu, endoporus is provided with the internal spline that cooperates with hollow solid of rotation free bearing, periphery is provided with the drive plate of transmission of power work wheel body or the equipped transmission of power active wheel attachment structure of preparation, be set in the periphery (internal spline matches with each free bearing) of hollow solid of rotation between two parties, the head end of oscillating vane point to that the rotor sense of rotation is arranged in proper order or oscillating vane in twos head end be combined into relatively arranging, butt respectively with the hinged formation hinge of the free bearing of hollow solid of rotation, be mounted on the periphery of the hollow solid of rotation of drive plate both sides, simultaneously respectively by the follow-up ring collar, leave the oscillating vane head end an amount of interval of reciprocally swinging betwixt between follow-up ring internal diameter and hollow solid of rotation periphery, constitute rotor thus; Two half body of mirrorimage structures (sides of one wherein each other, respective rotor is advanced, the discharge opeing active chamber, preparation work liquid advances, row's interface) the equipped follow-up ring sliding bearing of bore, the equipped thrust plate of vestibule inner side end constitutes stator body, endoporus is provided with the mounting hole of band positioning key, outer axial face is the fitting surface that cooperates with hollow solid of rotation endoporus sliding bearing, two ends prepare the stationary spindle of connecting thread or connecting bolt screw, cooperate with the hollow solid of rotation endoporus of rotor, two ends are connected with the stator body of dress being sealed rotor from both sides respectively through screw thread or bolt, constitute the hydraulic working part of this hydraulic rotary wheel thus, wherein, setover by setting with respect to rotor revolution axle center in the follow-up ring axle center, the head end of each oscillating vane is in the spring restoring force or place the permanent magnet magnetic force or the gravity of oscillating vane head end, centrifugal force during work, under the effect of hydraulic coupling, all the time fit in the follow-up ring inwall, by its cavity volume of cutting apart qualification with the transfiguration of rotor period of rotation; Connect oil hydraulic circuit,, then realize motor function, drag the defeated working solution of rotor rotation pressure, then realize the oil hydraulic pump function if external force drives the transmission of power active wheel if discharge pressure liquid driving rotor drags the rotation of transmission of power active wheel.

The newly-increased concrete scheme that guarantees synthetic operation performances such as this hydraulic rotary wheel volumetric efficiency, operating life is, hydraulic working part is on the basis of adopting above-mentioned basic structure, the flexible disk, sealing thrust plate, follow-up ring bearing, mechanical sealing element and the stationary spindle outer axial face that are fitted to two and half body inner chambers by order are sealed rotor, constitute a kind of peripheral fitting surface flexible sealing, rotor both sides end face and unite sliding bearing and hold up the exclusive structure of holding rotor through thrust plate hydro-cushion and compensate for wear sealing, hydraulic radial balance, active and static pressure; Wherein: the sidewall endoporus of half body is provided with the internal spline with stationary spindle end spline fitted, outer side surface connects setting of spline external diameter and the inner conical surface that installs swivel nut root cone match, the bore axle center of equipped follow-up ring bearing and sidewall endoporus spline axis are by setting biasing, connect the ring cavity that the bore port is provided with equipped mechanical sealing element, this ring cavity axle center is coaxial with the endoporus spline axis, the inner side surface of vestibule is symmetrical in bore axle center biased direction line, respective rotor work ring cavity, the pin-and-hole that cooperates with the flexible disk locating stud is set (wherein, to be provided with into, this pin-and-hole of half body of discharge opeing interface is communicated with respectively with two interfaces); Flexible disk is by nitrile butadiene rubber is made, external diameter is sealed and matched with the follow-up ring brearing bore, endoporus and stationary spindle external diameter are sealed and matched square position, the hollow locating stud (its center hole is used to into, discharge opeing guide channel) that cooperates with half body positioning pin hole and sealing flow disk body positioning pin hole respectively in prefabricated two ends, the corresponding half body locating stud matching hole position of card, the madial wall that is mounted on half body vestibule; The sealing thrust plate is by (for example using machinery sealing material, graphite impregnation epoxy resin) the flow disk body of making circumferentially constitutes every the envelope piece with two that are fitted in its back side two fan grooves, this disk body reaches every envelope piece dual-side external diameter and follow-up ring brearing bore and is sealed and matched, internal diameter and stationary spindle external diameter are sealed and matched, the corresponding flexible disk locating stud in the back side of disk body is provided with the locating stud matching hole, the footpath of fan groove to the midline with disk body in, external diameter axle center biased direction line overlaps, angular range is: the rotor of corresponding oscillating vane head end unidirectional array, suitable with the shared angular interval of each oscillating vane arrangement pitch of rotor, corresponding oscillating vane is the rotor of the relative assembled arrangement of head end in twos, each is suitable to the shared angular interval of oscillating vane interblock gap with rotor, contain be loaded in the groove circumferentially on a small quantity (for example greater than groove depth every envelope piece thickness, 1 millimeter), (for example leave small amount of clearance between bi-side and cell wall, 1 millimeter), in the fitting surface of itself and bottom land, be provided with and circumferentially crossed chute, positive card in disk body, in, external diameter eccentric direction line is directly to the midline, the fan-shaped position that angular range equates with the blade pitgh or the shared angular interval of blade Combination Distance of respective rotor is the fitting surface of fitting with the rotor-side end face together with near the narrow anchor ring the interior bore edges, all the other positions are recessed in a small amount (for example, recessed 0.5 millimeter), the arc flow groove of locating stud matching hole was set in this recessed position, bottom land and this locating stud matching hole are linked up, from the position placed in the middle of this groove to radially drainage trough is set between endoporus: the follow-up ring bearing by high-quality bearing metal or machinery sealing material (for example is, graphite impregnation epoxy resin) the centripetal thrust force sliding bearing of making, in the thrust bearing card that cooperates with drive plate of this bearing along Zhou Junbu shallow slot radially, at its radial bearing face that cooperates with the follow-up ring outer axial face, follow-up ring axle center biased direction line with rigging position is the axis of symmetry, be symmetrical arranged the static pressure sap cavity in two half cycles, in bearing support, corresponding two static pressure sap cavities, each radially is provided with a valve pocket, equipped in the chamber by hollow moving valve, the working solution of deciding between automatic control static pressure sap cavity that valve seat constitutes and the periphery that is provided with the damping center hole is gone into logical, go out the one-way throttle valve of throttling, carry on the back the drainage trough of linking up between the card outer to thrust bearing from the one-way throttle valve accent in the outer circumferential face setting; Be assemblied in mechanical sealing element in the half body inner chamber choma chamber by with the ring body made of machinery sealing material (for example, the teflon of filling graphite) be set in that it is external, make the conical ring rubber spring that has sealing function concurrently with nitrile butadiene rubber constitutes; The end spline that stationary spindle two ends preparations and half organism sidewall internal spline cooperate, in outer axial face,, axial length an amount of by the radially drainage trough position cutting width of the positive card of mounting point corresponding sealing thrust plate in right amount greater than the two ends preparation of the plane of rotor width (this plane cooperates constitute bearing static pressure sap cavity), this endoporus with hollow solid of rotation endoporus and install internal thread, middle part that swivel nut is equipped be provided be with positioning key being used for and external equipment is equipped with the mounting hole that makes up; Whole basic assembly structure is, stationary spindle runs through the hollow solid of rotation endoporus of rotor, two stator bodies with said structure to be sealed rotor, half organism sidewall internal spline and stationary spindle two end part spline fitted and axial limiting, installed swivel nut by two and be connected with stationary spindle two ends internal thread and promptly constitute this hydraulic unit by both sides; Wherein, rotor follow-up ring axle center is by the mounting point, with respect to rotor revolution axle center, along the vertical biased downward, throw of eccentric equal that the follow-up ring inside radius deducts the oscillating vane head end with follow-up ring internal diameter faying surface, under with respect to the complete reset condition of hollow solid of rotation, turn round the difference of axle center distance (to guarantee under any state apart from rotor, be in into, near between the discharge opeing transition zone oscillating vane head end only depends on leaf position restriction and deadweight to get final product nature and the follow-up ring internal diameter is fitted to cut off to advance, the direct path of exhaust chamber, saved the supplementary structure that installs Returnning spring additional or preset permanent magnet at the oscillating vane head end), twice by sealing thrust plate positive card radially drainage trough are advanced rotor respectively, discharge opeing active chamber and the corresponding endoporus and the static pressure sap cavity communication of position, stationary spindle axial plane cutting plane cooperation formation, according to hollow a rotating body bore dia and follow-up ring internal diameter and axial width parameter thereof, determine appropriate drive plate thickness, the circumferential surface area and its endoporus whole peripheral surface that make hollow solid of rotation be sealed by the follow-up ring internal diameter are long-pending suitable, reach the suffered radial hydraulic pressure of its outer circumferential face and inner hole surface near balance, the recessed position of a small amount of by the positive card of sealing thrust plate cooperates the slit that forms respectively rotor to be advanced with the rotor-side end face, discharge opeing active chamber and corresponding follow-up ring bearing working face two static pressure sap cavities are linked up, make in the follow-up ring, the suffered radial hydraulic pressure of external diameter is near balance, under the working state, be in the moving valve sealing through path of the promotion of the working solution in static pressure sap cavity one-way throttle valve between the pressure area, working solution is via the damping hole of deciding valve seat, the drainage trough of bearing periphery releases to the fitting surface of thrust bearing card and mechanical sealing element, mechanical sealing element in order to lubricated thrust bearing working surface and outer shroud thereof, releasing liquid finishes and promotes moving valve via drainage trough to the one-way throttle valve valve pocket of bearing periphery again after lubricated and open through path and flow into the static pressure sap cavity that is between low pressure area, ring cavity is in lower hydraulic coupling state in the mechanical sealing element to keep, outstanding narrow anchor ring by bore edges in the sealing thrust plate disk body back side presses in the flexible disk card, form in a small amount cavity volume (for example, 1 millimeters thick) at interval in this narrow anchor ring periphery, the liquid-through hole of this cavity volume in being in arc flow groove is communicated with the working rotor chamber, circumferentially fitting in the face of the plane and the flexible disk card of flexible disk in the flow disk body fan groove every the envelope piece, cavity volume is divided into two semi-ring cavity volumes at interval, being in pressure liquid thruster in the semi-ring cavity volume between the pressure area under the working state circumferentially moves outside the envelope piece and makes its outer side surface and disk body cell wall closely connected, the vallecular cavity of fan groove be in that the semi-ring chamber is communicated with between the pressure area, and be in the semi-ring chamber packing between low pressure area.

The beneficial effect that adopts technique scheme to cause is:

1, this hydraulic rotary wheel is being compared with main flow oil hydraulic pump and motor product with plunger, gear, the blade type of existing purposes of the same race, simple and compact for structure, used component kind is few, processing and assembling is simple relatively, required precision is moderate, installation, use, easy to maintenance, therefore, production, operation and maintenance cost will significantly reduce.

2, this hydraulic rotary wheel and comprise that my application number is 00119358.9, name is called oscillating-blade quantitative hydraulic pump and the motor that the technological scheme in the application for a patent for invention of " rotary displacement fluid press defeated and transmission device " constructs and compares at interior existing various oil hydraulic pumps and motor product, on the synthetic operation performance, all corresponding raising will be arranged.It mainly comes from:

1/, the rotor-side end face is fitted under the effect of hydraulic coupling voluntarily with fitting surface, oscillating vane head end and follow-up ring internal diameter fitting surface, butt and the hinged fitting surface of hollow solid of rotation of sealing thrust plate, be in theoretic gap-free sealed state (between only deposit lubricant film), therefore, leak for a short time, be enough to guarantee to have higher volumetric efficiency.

2/, the oscillating vane head end is also less relatively with the surface of contact of follow-up ring inwall does not almost have relative slippage, butt and free bearing fitting surface under artesian condition relative slip velocity and path, thereby wear extent is lower naturally, and these wearing and tearing that form are not if evenly, then influence sealing; Because under the working state, the vallecular cavity of sealing thrust plate back side fan groove be in that the semi-ring chamber is communicated with between the pressure area, and be in semi-ring cavity volume packing between low pressure area, make axial hydraulic thrust that whole flow disk body back of the body card forms greater than the positive suffered axial hydraulic reaction thrust of card, fit in the rotor-side end face all the time, realizing the effectively wearing clearance that takes place of compensation fitting surface automatically in the sealing of rotor-side end face that to promote the positive card of sealing thrust plate this is enough to guarantee that this place has the cycle of long excellent sealing work; What in fact follow-up ring bearing and hollow solid of rotation endoporus bearing adopted is self-pressure-supply liquid, dynamic and static pressure associating sliding bearing structure, and operating life is longer naturally; After all above-mentioned, be enough to guarantee that this hydraulic rotary wheel has the long operating life of being excused from a college course on the whole.

3/, since the follow-up ring bearing adopt the thrust ring face width degree of centripetal thrust force sliding bearing and its thrust bearing card can be unconfined because of the need setting, the rotor bearing diameter of axle is big, axial plane is wide, drive plate disposes between two parties in rotor axial, this structure makes it directly to carry: bigger radial load, bigger axle, radially combined load, certain axial, radial impact, alternate load; This performance characteristic is rare in existing various oil hydraulic pumps and motor.

4/, half body according to its stator adopts the comparatively regular rotary structure and the peculiar structure and the equipped mode of internal motion member thereof, make this hydraulic rotary wheel have bigger speed range allowable and power range, its specific product sequence scope is divided by rotating speed: can be low speed, middling speed, high speed even ultra high speed; By power divider: can be small-power, middle power, high-power even superhigh power; Divide by model: can be small-sized, medium-sized, large-scale even super sized type.

3, by the result that above-mentioned overall characteristic caused be, this hydraulic rotary wheel has wide in range application and vast market space, especially use as oil hydraulic motor, can be integrated with passive machinery, obviously improve the overall performance of mechanized equipment, estimate that its true value will progressively manifest along with the actual development to its Application and Development.

Four, description of drawings: Fig. 1, Fig. 2 be respectively this hydraulic rotary wheel can two-way rotary work hydraulic working part cross-sectional by position shown in the figure, the vertical profile tectonic maps, Fig. 3 be can only unidirectional rotary work hydraulic unit with reference to the cross-sectional tectonic maps of figure 2 slice locations, be used to represent that the Component of this hydraulic working part constitute and equipped structure, what three dot and dash line among the figure were illustrated is that the drive plate periphery may be provided with the active wheel body structure or be provided with and work the equipped linkage structure of wheel body, mark among the figure: 1, hollow solid of rotation, 2, oscillating vane, 3, install swivel nut, 4, stationary spindle, 5, circumferential positioning dowel when half body and stationary spindle are equipped, 6, install the lock screw of swivel nut, 7, half body, 8, flexible disk, 9, the flow disk body, 10, follow-up ring, 11, the follow-up ring bearing, 12, circumferential positioning dowel when half body and follow-up ring bearing are equipped, 13, constitute the rubber spring of mechanical sealing element, 14, constitute the seal ring of mechanical sealing element, 15, drive plate.Fig. 4 is the front view of half body 7, Fig. 5 is the sectional view by position shown in Figure 4, be used for expression advance (or row) liquid interface 701, with flexible disk locating stud matching hole 702, the equipped screw 703 of swivel nut lock screw and the structure and the relevant position of positioning pin hole 704,705 of installing.Fig. 6, Fig. 7 are respectively the horizontal stroke of stationary spindle 4, vertical half sectional view, are used to represent that stationary spindle comprises the cutting plane 402 of positioning pin hole 401, outer axial face, the whole concrete structure of end spline 403.Fig. 8, Figure 10 are respectively that flow disk body 9 is equipped circumferentially every the front view and the rear view that seal piece 901, Fig. 9, Figure 11 are respectively its sectional views of Vertical direction each other, are used to represent to comprise circumferential concrete structure every the whole sealing thrust plate that seals piece 901, the pin-and-hole 902 that cooperates with the flexible disk locating stud, flow groove 903, liquid-through hole 904.Figure 13, Figure 14 are respectively the front view and the sectional views of flexible disk 8, are used to the overall structure of representing that it comprises hollow locating stud 801.Figure 15, Figure 16 be respectively follow-up ring bearing 11 just, half sectional view and shown in the position longitudinal section, be used to represent that it comprises the radially overall structure of shallow slot 1106, positioning pin hole 1107 of static pressure sap cavity 1105, thrust bearing working surface.Figure 12 is the partial enlarged drawing at position shown in Figure 16, is used to represent be fitted to logical, as to go out the throttling one-way throttle valve dependency structure of going in the follow-up ring bearing support, and wherein, 1101 is valve pocket, and 1102 is moving valve, and 1103 for to decide valve seat, and 1104 is drainage trough.Figure 17, Figure 18 are respectively the front view and the sectional views of mechanical sealing element, and Figure 19 is the partial enlarged drawing at position shown in Figure 180, are used to represent the conical ring rubber spring 13 of mechanical seal and being equipped with and structure of seal ring 14.Figure 20, Figure 21 be respectively a hydraulic rotary wheel embodiment (hoist hydraulic driving lifting drum assembly) face and longitudinal section mark among the figure: 16, spool body, 17, spacing axle sleeve, 21, axle sleeve at interval, 18, supporting base, 19, back shaft, 20, hole back-up ring, 22, shaft block ring.Figure 22, Figure 23 are respectively the front view and the side views of another hydraulic rotary wheel embodiment (hydraulic power gear), and the periphery that is used to represent drive plate 15 has prepared and has been used for the gear-driven toothing of taking turns.Figure 24, Figure 25 are the front view and the longitudinal sections of the 3rd hydraulic rotary wheel embodiment (hoist hydraulic driving track travel wheel), are used to represent that the drive plate 15 of hydraulic working part is equipped with the structure of walking wheel bodys 24.Figure 26, Figure 27 are the longitudinal section and the side views of the 4th hydraulic rotary wheel embodiment (road roller hydraulic driving suppression muller), are used to represent the equipped structure of the drive plate 15 of hydraulic working part by flange and muller body 23.

Five, embodiment: according to the difference of purposes, according to the aforementioned techniques scheme, the present invention can construct; 1, single hydraulic working part, equipped wheel body formula hydraulic rotary wheel.2, single hydraulic working part, overall work wheel type hydraulic runner.3, biliquid is pressed workpiece, equipped this three classes specific product of wheel body formula hydraulic rotary wheel.These engineering goods are compared with existing oil hydraulic pump and motor main product, in function with oil hydraulic pump and oil hydraulic motor, have additional function concurrently, its outstanding characteristics are, on performance, when undertaking hydraulic pressure, machine power conversion transmission work, can directly undertake often bigger radially, axial work loads; Structurally, often with equipped former moving or driven member is integrated.

An exemplary embodiments of single hydraulic working part, equipped wheel body formula hydraulic rotary wheel is to take turns as Figure 24, hoist hydraulic driving track travel shown in Figure 25.The structure of this road wheel hydraulic working part and Fig. 1, Fig. 2 or structure shown in Figure 3 are identical, main feature is, the outer ring surface of drive plate 15 is provided with adpting flange, interior ring at track wheel body 24 is provided with equipped flange, by bolt or rivet two flanges are connected and promptly constitute rail wheel, can realize this track travel wheel along track heavy burden walking function through its rotation of hydraulic driving, if the retaining that removes this wheel body promptly constitutes general road wheel along becoming regular tubular wheel body.Similar with it, the wheel body and the drive plate 15 of different structure is equipped, can constitute the different hydraulic rotary wheel of purposes, for example, be most widely used have the equipped wheel body of making the elasticity walking wheel body assembly of wheel rim or rigidity road wheel by rubber, engineering plastics elastic-like material of inflated rubber tire or periphery and drive plate 15 be equipped with constitute a kind of by hydraulically powered road wheel; Ventilation fan impeller body and drive plate 15 equipped formations is a kind of by hydraulically powered ventilation fan; The wheel body that working surface preparation is had or be embedded with cutting edge or cutting teeth and drive plate 15 be equipped constitute a kind of by hydraulically poweredly be used to cut, the construction of digging takes turns; To be used for the gear ring of transmission or chain wheel rim or belt wheel circle or the friction wheel rim is equipped with drive plate 15, constitute a kind ofly be used for machinery, hydraulic power is changed and the runner of transmission.In sum, the outstanding feature of this kind structure hydraulic runner is, its hydraulic working part has versatility very widely, can constitute function by the work wheel body that is equipped with different structure other different specific products are arranged, thereby help realizing both convenient the manufacturing, the extensive target of meeting the market requirement again.

An exemplary embodiments of single hydraulic working part, overall work wheel type hydraulic runner is as Figure 22, shown in Figure 23 with the hydraulic rotary wheel of involute gear as the transmission of power wheel, the structure of its hydraulic working part and Fig. 1, Fig. 2 or structure shown in Figure 3 are identical, main feature is, the periphery of its drive plate 15 directly preparation is used for the gear-driven gear teeth, drive plate itself had both constituted driving gear, after connecting the hydraulic work loop, if this gear combines with the driving gear of prime mover, then the driving at prime mover presses down defeated working solution realization oil hydraulic pump function; If this gear with combined by the driving gear of motivation, then under the driving of pressure liquid, drive by motivation running realization oil hydraulic motor function.Similar with it, according to the needs of the different kinds of drive, the periphery of drive plate 15 also can prepare drive sprocket or drive pulley or load-bearing road wheel structure; Can also make the gear shaft joint to wheel construction or spline shaft joint to wheel construction or pin shaft joint to wheel construction.This shows, the main feature of this kind structure hydraulic runner is, its compact overall structure is intensive, and its transmission of power wheel is integrated with drive plate, thereby help realizing not only simplifying processing and assembling but also more easily guarantee the processing and assembling precision, and then reduce the target of manufacture cost.

It is as Figure 20, hoist hydraulic driving lifting drum assembly shown in Figure 21 that biliquid is pressed an exemplary embodiments of workpiece, equipped wheel body formula hydraulic rotary wheel.Its structure is, two have and Fig. 1, the hydraulic working part of Fig. 2 or identical structure shown in Figure 3 combines coaxial equipped by the involute profile connecting shaft structure of its drive plate periphery with the cooperation internal tooth of spool body 16 two ends endoporus, two outer side surfaces are used back-up ring 20 axial limitings through the hole, clamping spacer sleeve 21 between two hydraulic working parts, back shaft 19 runs through two hydraulic working parts and spacer sleeve, the suit stop collar 17 successively, supporting base 18, two ends are by shaft block ring 22 axial limitings, wherein, the external splines at back shaft two ends combines with the internal spline of hydraulic working part stationary spindle endoporus and supporting base endoporus, advancing of two hydraulic working parts, row's interface is in parallel by the road to be communicated with oil hydraulic circuit, constitutes by hydraulically powered lifting drum assembly.Similar with it, two hydraulic working parts are coaxial equipped by its drive plate and the roller that is used for conveyor belt or driving belt transmission, both constituted a kind of by hydraulically powered driving drum; Two hydraulic working parts are coaxial equipped by its drive plate and the sprocket body that is used for Conveying chains or Transmitted chains, both constituted a kind of by hydraulically powered conveying or drive sprocket; Two hydraulic working parts are coaxial equipped by its drive plate and the heliconid that is used for material handling spiral, both constituted a kind of by hydraulically powered conveying screw; Two hydraulic working parts are coaxial equipped by its drive plate and the big quality cylinder muller body that is used for smooth suppression, both constituted a kind of by hydraulically powered smooth suppression muller; With two hydraulic working parts by its drive plate be used to suppress, the big quality muller body of the uniform round table-like projection of outer circumferential face is coaxial equipped, both constituted a kind of by hydraulically powered tamping foot vibratory roller wheel.Drive plate with the equipped mode of above-mentioned wheel body is: the outer toothing of the gear shaft joint of drive plate periphery matches with the internal tooth linkage structure of work wheel body or the external splines of drive plate periphery matches with the corresponding internal spline of work wheel body or drive plate outer peripheral flange and work wheel body respective flange by bolt is connected be equipped with or drive plate with work that the mode of employing pin shaft joint combines between wheel body.This shows that the hydraulic rotary wheel of this kind structure is mainly used in the wheel body structure of carrying, working surface broad, saved common necessary spring bearing structure, help reducing comprehensive manufacture cost.

In sum, the concrete hydraulic rotary wheel product according to the technical solution of the present invention structure should be widely used in mechanized equipment field especially engineering machinery field.

Claims (4)

1, the hydraulic rotary wheel that a kind of drive plate periphery by hydraulic working part and rotor thereof (perhaps outer shroud) preparation or equipped transmission of power work wheel body are constituted, the basic structure of its hydraulic working part is, with the inner hole wall is the sliding bearing working surface, outer circumferential face is provided with the main body of the hollow solid of rotation of equipped oscillating vane free bearing as rotor along Zhou Junbu, the internal spline that the endoporus preparation cooperates with hollow solid of rotation free bearing, periphery prepares the drive plate of transmission of power work wheel body or the equipped transmission of power active wheel attachment structure of preparation, be set in the periphery (internal spline matches with each free bearing) of hollow solid of rotation between two parties, the head end of oscillating vane point to that the rotor sense of rotation is arranged in proper order or in twos head end be combined into relatively arranging, butt respectively with the hinged formation hinge of the free bearing of hollow solid of rotation, be mounted on the periphery of the hollow solid of rotation of drive plate both sides, simultaneously respectively by the follow-up ring collar, leave the oscillating vane head end an amount of interval of reciprocally swinging betwixt between follow-up ring internal diameter and hollow solid of rotation periphery, constitute rotor thus; By two half body of mirrorimage structures (sides of one wherein each other, respective rotor is advanced, the discharge opeing active chamber, preparation work liquid advances, row's interface) the equipped respectively follow-up ring sliding bearing of bore, the equipped thrust plate of vestibule inner side end constitutes stator body, endoporus is provided with the mounting hole of band positioning key, outer axial face is the sliding bearing fitting surface that cooperates with hollow solid of rotation endoporus, two ends prepare the stationary spindle of connecting thread or connecting bolt screw, cooperate with the hollow solid of rotation endoporus of rotor, two ends are connected with the stator body of dress being sealed rotor from both sides respectively through screw thread or bolt, constitute the hydraulic working part of this hydraulic rotary wheel thus; Wherein, setover by setting with respect to rotor revolution axle center in the follow-up ring axle center, the head end of each oscillating vane is in the pressure spring restoring force or placing the magnetic force of permanent magnet in the oscillating vane head end body or under the effect of the centrifugal force in gravity, when work, hydraulic coupling, all the time fit in the follow-up ring inwall, by its cavity volume of cutting apart qualification with the transfiguration of rotor period of rotation; Connect oil hydraulic circuit,, then realize the oil hydraulic motor function, drag the defeated working solution of rotor rotation pressure, then realize the oil hydraulic pump function if external force drives transmission of power work wheel body if discharge pressure liquid driving rotor drags the rotation of transmission of power work wheel body;

It is characterized in that, this hydraulic working part is sealed rotor by flexible disk, sealing thrust plate, follow-up ring bearing, mechanical sealing element and stationary spindle outer axial face that order is fitted to two and half body inner chambers, constitutes a kind of peripheral fitting surface flexible sealing, rotor both sides end face and unites sliding bearing and hold up the exclusive structure of holding rotor through sealing thrust plate hydro-cushion and compensate for wear sealing, hydraulic radial balance, active and static pressure; Wherein: the sidewall endoporus of half body is provided with the internal spline with stationary spindle end spline fitted, outer side surface connects setting of spline external diameter and the inner conical surface that installs swivel nut root cone match, the bore axle center of equipped follow-up ring bearing and sidewall endoporus spline axis are by setting biasing, connect the ring cavity that the bore port is provided with equipped mechanical sealing element, this ring cavity axle center is coaxial with the endoporus spline axis, the inner side surface of vestibule is symmetrical in bore axle center biased direction line, respective rotor work ring cavity, the pin-and-hole that cooperates with the flexible disk locating stud is set (wherein, to be provided with into, this pin-and-hole of half body of discharge opeing interface is communicated with respectively with two interfaces); Flexible disk by nitrile butadiene rubber make, external diameter and the follow-up ring brearing bore is sealed and matched, endoporus and stationary spindle external diameter are sealed and matched square position, the hollow locating stud that cooperates with half body positioning pin hole and sealing thrust plate disk body positioning pin hole respectively in prefabricated two ends, the corresponding half body positioning pin hole position of card (its center hole is used to into, the guide channel of discharge opeing), be mounted on the madial wall of half body vestibule; The sealing thrust plate is by (for example using machinery sealing material, graphite impregnation epoxy resin) the flow disk body of making and be fitted to two in its back of the body card two fan grooves and circumferentially constitute every the envelope piece, this disk body reaches every envelope piece side external diameter and follow-up ring brearing bore and is sealed and matched, internal diameter and stationary spindle external diameter are sealed and matched, the locating stud of the corresponding flexible disk of the back of the body card of disk body is provided with the locating stud matching hole, the footpath of fan groove to the midline with disk body in, external diameter axle center biased direction line overlaps, angular range is: the rotor of corresponding oscillating vane head end unidirectional array, shared angular interval is suitable at interval with each oscillating vane of rotor, corresponding oscillating vane is the rotor of the relative assembled arrangement of head end in twos, each is suitable to the shared angular interval of blade interblock gap with rotor, contain be loaded in the groove circumferentially on a small quantity (for example greater than groove depth every envelope piece thickness, 1 millimeter), (for example leave small amount of clearance between the two side of bi-side and groove, 1 millimeter), in the fitting surface of itself and bottom land, be provided with and circumferentially crossed chute, positive card in disk body, in, external diameter eccentric direction line is directly to the midline, the sector region that angular range equates with the oscillating vane spacing or the shared angular interval of oscillating vane Combination Distance of respective rotor is to cooperate the plane with the rotor-side end face is fitted together with near the narrow anchor ring the bore edges in whole, all the other positions are recessed in a small amount (for example, recessed 0.5 millimeter), the arc flow groove of locating stud matching hole was set in this recessed position, bottom land and this locating stud matching hole are linked up, from the position placed in the middle of this groove to radially drainage trough is set between endoporus: the follow-up ring bearing by high-quality bearing metal or machinery sealing material (for example is, graphite impregnation epoxy resin) the centripetal thrust force sliding bearing of making, in the thrust bearing card that cooperates with drive plate of this bearing along Zhou Junbu shallow slot radially, at its radial bearing face that cooperates with the follow-up ring outer axial face, follow-up ring axle center biased direction line with rigging position is the axis of symmetry, be symmetrical arranged the static pressure sap cavity in two half cycles, in bearing support, corresponding two static pressure sap cavities, each radially is provided with a valve pocket, equipped in the chamber by hollow moving valve, the working solution of deciding between automatic control static pressure sap cavity that valve seat constitutes and the periphery that is provided with the damping center hole is gone into logical, go out the one-way throttle valve of throttling, carry on the back the drainage trough of linking up between the card outer to thrust bearing from the one-way throttle valve accent in the outer circumferential face setting; Be assemblied in mechanical sealing element in the half body inner chamber choma chamber by with the seal ring made of machinery sealing material (for example, the teflon of filling graphite) be set in that it is external, make the conical ring rubber spring that has sealing function concurrently with nitrile butadiene rubber constitutes; The end spline that stationary spindle two ends preparations and half organism sidewall internal spline cooperate, in outer axial face, by the radially drainage trough position cutting of the positive card of mounting point corresponding sealing thrust plate have that width is an amount of, axial length in right amount greater than the two ends preparation of the plane of rotor width (this plane cooperates constitute bearing static pressure sap cavity), this endoporus with hollow solid of rotation endoporus with install internal thread, middle part that swivel nut is equipped be provided be with positioning key being used for and external equipment is equipped with the mounting hole that makes up; Whole basic assembly structure is, stationary spindle runs through the hollow solid of rotation endoporus of rotor, the stator body with said structure is sealed rotor, half organism sidewall internal spline and stationary spindle two end part spline fitted and axial limiting, installed swivel nut by two and be connected with stationary spindle two ends internal thread and promptly constitute this hydraulic working part by both sides; Wherein, the follow-up ring axle center of rotor is by the mounting point, with respect to rotor revolution axle center, along the vertical biased downward, throw of eccentric equal that the follow-up ring inside radius deducts the oscillating vane head end with follow-up ring internal diameter faying surface, under with respect to the complete reset condition of hollow solid of rotation, turn round the difference of axle center distance (to guarantee under any state apart from rotor, be in into, near between the discharge opeing transition zone oscillating vane head end only depends on leaf position restriction and deadweight to get final product nature and the follow-up ring internal diameter fits to advance to cut off rotor, the direct path of exhaust chamber, saved the supplementary structure that installs Returnning spring additional or preset permanent magnet at the oscillating vane head end), twice by sealing thrust plate positive card radially drainage trough are advanced rotor respectively, the static pressure sap cavity that discharge opeing active chamber and corresponding hollow solid of rotation endoporus and the cutting of stationary spindle axial plane have the position, plane to match and form is linked up, according to hollow a rotating body bore dia and follow-up ring internal diameter and axial width parameter thereof, determine appropriate drive plate thickness, the circumferential surface area and the hollow solid of rotation endoporus whole peripheral surface that make hollow solid of rotation be sealed by the follow-up ring internal diameter are long-pending suitable, reach the suffered radial hydraulic pressure of its outer circumferential face and inner hole surface near balance, the recessed position of a small amount of by the positive card of sealing thrust plate cooperates the slit that forms respectively rotor to be advanced with the rotor-side end face, discharge opeing active chamber and corresponding follow-up ring bearing working face two static pressure sap cavities are linked up, make in the follow-up ring, the suffered radial hydraulic pressure of external diameter is near balance, under the working state, be in the moving valve sealing through path of the promotion of the working solution in static pressure sap cavity one-way throttle valve between the pressure area, working solution is via the damping hole of deciding valve seat, the drainage trough of bearing periphery releases to the fitting surface of thrust bearing card and mechanical sealing element, mechanical sealing element in order to lubricated thrust bearing working surface and outer shroud thereof, releasing liquid finishes and promotes moving valve via drainage trough to the one-way throttle valve valve pocket of bearing periphery again after lubricated and open through path and flow into the static pressure sap cavity that is between low pressure area, ring cavity is in lower hydraulic coupling state in the mechanical sealing element to keep, outstanding narrow anchor ring by bore edges in the sealing thrust plate disk body back side presses in flexible card, periphery in this narrow anchor ring forms in a small amount cavity volume (for example, 1 millimeters thick) at interval, the liquid-through hole of this cavity volume in being in arc flow groove is communicated with the working rotor chamber, circumferentially fitting in the face of the plane and the flexible disk card of flexible disk in the flow disk body fan groove every the envelope piece, cavity volume is divided into two semi-ring cavity volumes at interval, being in pressure liquid thruster in the semi-ring cavity volume between the pressure area under the working state circumferentially moves outside the envelope piece and makes its outer side surface and disk body cell wall closely connected, the vallecular cavity of fan groove be in that the semi-ring chamber is communicated with between the pressure area, and be in the semi-ring chamber packing between low pressure area.

2, a kind of hydraulic rotary wheel as claimed in claim 1, feature is, the preparation of the drive plate periphery of its hydraulic working part or outer ring surface have with the equipped linkage structure of work wheel body (for example, adpting flange), this work wheel body be provided with correspondingly linkage structure (for example, equipped flange), by connector element (for example, bolt or rivet) drive plate and work wheel body are loaded into overall work wheel, the concrete structure of this work wheel body be used to walk have the inflated rubber tire or periphery is equipped by rubber, the engineering plastics elastic-like material is made the elasticity walking wheel body assembly of wheel rim, or rigidity road wheel wheel body, or the track travel wheel wheel body on outer circumferential face limit portion band retaining edge, or limit portion does not have the general road wheel wheel body of tubular on retaining edge, or the fans wheel body assembly that is used to ventilate, or be used for excavating, the working surface preparation of cutting has or is embedded with the construction wheel wheel body of cutting edge or cutting teeth, or be used for the gear of transmission of power or the drive wheel wheel body of sprocket wheel or belt wheel or friction wheel.

3, a kind of hydraulic rotary wheel as claimed in claim 1, feature is, its hydraulic working part self independently constitutes hydraulic rotary wheel, the drive plate of its rotor itself promptly constitutes complete transmission of power active wheel, both, the periphery of drive plate or outer shroud directly preparation are useful on the gear of transmission of power or the wheel body structure of sprocket wheel or belt wheel or load-bearing road wheel, perhaps directly preparation have the gear shaft joint to wheel or spline shaft joint to wheel or pin shaft joint wheel body structure to wheel.

4, a kind of hydraulic rotary wheel as claimed in claim 1, feature is, combine with the corresponding linkage structure of a work wheel body by the linkage structure of two hydraulic working parts by its rotor drive plate periphery or outer shroud, the hydraulic work loop is inserted in the advancing of two hydraulic working parts, discharge opeing interface back in parallel respectively by the road, constitutes the composite structure that a kind of biliquid is pressed the coaxial equipped single work wheel body of workpiece; Drive plate with the concrete linkage structure of work wheel body is, the outer toothing of the gear shaft joint of drive plate periphery matches with the internal tooth linkage structure of work wheel body or the external splines of drive plate periphery matches with the corresponding internal spline of work wheel body or drive plate outer peripheral flange and the corresponding equipped flange of work wheel body by bolt be connected be equipped with or drive plate with work that the mode of employing pin shaft joint combines between wheel body; The concrete structure of the work wheel body muller body that to be the heliconid of the spool body of general cylindric wheel body or traction, hoisting rope or conveying, driving belt driving drum body or conveying, Transmitted chains Transmitted chains wheel body or material handling spiral or smooth suppression grind with big quality cylinder or the muller body of the tamping foot vibratory roller of the uniform projection round platform of quality outer circumferential face greatly.

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