CN104791246A - Pinion-and-rack double-acting blade type secondary assembly - Google Patents
Pinion-and-rack double-acting blade type secondary assembly Download PDFInfo
- Publication number
- CN104791246A CN104791246A CN201510159059.XA CN201510159059A CN104791246A CN 104791246 A CN104791246 A CN 104791246A CN 201510159059 A CN201510159059 A CN 201510159059A CN 104791246 A CN104791246 A CN 104791246A
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- secondary component
- variable piston
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Transmission Devices (AREA)
Abstract
A pinon-and-rack double-acting blade type secondary assembly mainly comprises a casing, a transmission shaft, thrust plates, a rotor, a stator, blades, a hand wheel, a screw, a variable piston, an upper end cover, a lower end cover and the like, and is characterized in that centers of the rotor and the stator are fixed and coincide, the blades are arranged in the radial direction of the rotor, the rotor is connected with the transmission shaft through a spline, and an outer ring of the stator forms a gear form with the center of a long-radius arc serving as a center in a range of 150 degrees; the variable piston is mounted in the casing of the secondary assembly, one side surface of the variable piston is machined into a rack form and constitutes a gear transmission pair with the gear type stator, a groove is formed in the other side surface of the variable piston, a guide block is mounted in the groove of the variable piston, the variable piston and the screw constitute a transmission pair, the hand wheel is fixed at the upper end of the screw, the screw can be tightly locked on the upper end cover through a nut, and the upper end cover and the lower end cover are fixed on the casing through bolts; the thrust plates are mounted on the transmission shaft and are tightly pressed on the left side surface and the right side surface of the stator.
Description
Technical field
The present invention relates to a kind of pinion and-rack double-action blade secondary component, belong to mechanical field.
Background technique
Secondary component refers to the element that can realize hydraulic energy and mechanical energy and change mutually, also variable hydraulic motor/pump is claimed, it both can be operated in " oil hydraulic motor " operating mode, " oil hydraulic pump " operating mode can be operated in again, when secondary component to be transitioned into the operating mode of " load dragging " from " dragging load ", it is just transitioned into " oil hydraulic pump " operating mode by " oil hydraulic motor " operating mode, namely changes recovered energy operating mode into by consumed energy operating mode, thus provides possibility for the recovery and reuse of energy.
Existing secondary component is mostly Curve guide impeller on the basis of oblique tray type plunger variable displacement motor, structure mainly plunger type, its working pressure is high, at more than 20MPa, range of flow is large, be generally used in high pressure, large-flow hydraulic system, in, use in low-pressure hydraulic system, efficiency is very low, and plunger type secondary component complex structure, machining accuracy are high, responsive to oil pollution, oil strain required precision is high, price costly, therefore makes the application area of secondary component be limited by very large.
Summary of the invention
The object of this invention is to provide a kind of compact structure, uniform flow, noise is little, running accuracy is high and steadily, can be applicable to the pinion and-rack double-action blade secondary component of mesohigh, middle pressure, lower pressure hydraulic system, to enrich the kind of secondary component, expand the application area of secondary component.
The present invention solves the technological scheme that its technical problem is taked:
A kind of pinion and-rack double-action blade secondary component is primarily of compositions such as housing, transmission shaft, thrust plate, rotor, stator, blade, handwheel, nut, upper end cap, sleeve, guide pad, screw rod, variable piston, lower end caps, the center of rotor and stator is fixing and overlaps, the width of rotor is slightly less than the width of stator, rotor is arranged in stator, the blade groove of rotor is put in one end of blade, the other end of blade contacts with the internal surface of stator, blade is settled along rotor radial, and rotor to be coordinated with transmission shaft by spline and connects, and stator outer ring is made gear pattern within the scope of 150 ° centered by semi major axis center of arc, by handwheel, nut, upper end cap, sleeve, guide pad, screw rod, variable piston, lower end caps etc. form stroking mechanism, variable piston is arranged in secondary component housing, tooth bar pattern is processed in a side of variable piston, another side of variable piston is processed with groove, the groove of variable piston is equipped with guide pad, the upper end portion of variable piston is processed with internal thread, the lower end of screw rod is processed as outside thread, screw rod and variable piston form transmission width, screw rod is equipped with sleeve, sleeve is arranged in secondary component housing, the upper-end surface of sleeve coordinates with the lower surface of screw rod convex shoulder and contacts, the upper surface of screw rod convex shoulder coordinates with upper end cap and contacts, upper end cap is contained on screw rod, screw rod upper end is fixed with handwheel, rack-type variable piston and gear type stator form gear transmission width, screw rod can be locked on upper end cap by nut, upper end cap, lower end cap is bolted on housing, thrust plate is arranged on transmission shaft, and is pressed on the side, two, left and right of stator.Secondary component identical into and out of hydraulic fluid port size.
Compared with prior art, the beneficial effect produced is a kind of pinion and-rack double-action blade secondary component of the present invention:
By the control to stator angle of swing, " oil hydraulic motor " operating mode of secondary component and " oil hydraulic pump " operating mode are changed mutually, realizes the recovery and reuse of energy; The present invention can be applicable in mesohigh, middle pressure, lower pressure hydraulic system, i.e., in the hydraulic system of more than 7MPa, below 20MPa, expand the application area of secondary component, enriched the kind of secondary component.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structure diagram of pinion and-rack double-action blade secondary component
Fig. 2 is the A-A view of pinion and-rack double-action blade secondary component
Fig. 3 is pinion and-rack double-action blade secondary component stator initial position figure
Fig. 4 is the schematic diagram of pinion and-rack double-action blade secondary component
1. housing, 2. transmission shaft, 3,6. thrust plate, 4. rotor, 5. stator, 7. blade, 8. handwheel, 9. nut, 10. upper end cap, 11. sleeves, 12. guide pads, 13. screw rods, 14. variable pistons, 15. lower end caps.
Embodiment
A kind of pinion and-rack double-action blade secondary component is primarily of compositions such as housing 1, transmission shaft 2, thrust plate 3,6 and rotor 4, stator 5, blade 7, handwheel 8, nut 9, upper end cap 10, sleeve 11, guide pad 12, screw rod 13, variable piston 14, lower end caps 15, the center of rotor 4 and stator 5 is fixing and overlaps, the width of rotor 4 is slightly less than the width of stator 5, rotor 4 is arranged in stator 5, the blade groove of rotor 4 is put in one end of blade 7, the other end of blade 7 contacts with the internal surface of stator 5, blade 7 settles (namely laying angle is zero) along rotor 4 radial direction, and rotor 4 to be coordinated with transmission shaft 2 by spline and connects, and stator 5 outer ring is made gear pattern within the scope of 150 ° centered by semi major axis center of arc, by handwheel 8, nut 9, upper end cap 10, sleeve 11, guide pad 12, screw rod 13, variable piston 14, lower end cap 15 grade forms stroking mechanism, variable piston 14 is arranged in secondary component housing 1, tooth bar pattern is processed in a side of variable piston 14, another side of variable piston 14 is processed with groove, guide pad 12 groove of variable piston 14 is equipped with, slide in the guiding groove that guide pad 12 can be processed on secondary component housing 1, play guiding and prevent variable piston 14 from rotating, the upper end portion of variable piston 14 is processed with internal thread, the lower end of screw rod 13 is processed as outside thread, screw rod 13 and variable piston 14 form transmission width, sleeve 11 screw rod 13 is equipped with, sleeve 11 is arranged in secondary component housing 1, the upper-end surface of sleeve 11 coordinates with the lower surface of screw rod 13 convex shoulder and contacts, the upper surface of screw rod 13 convex shoulder coordinates with upper end cap 10 and contacts, upper end cap 10 is contained on screw rod 13, screw rod 13 can only rotate and not move up and down, screw rod 13 upper end is fixed with handwheel 8, clockwise, being rotated counterclockwise handwheel 8 drives on variable piston 14 by screw rod 13, lower movement, rack-type variable piston 14 and gear type stator 5 form gear transmission width, stator 5 can realize variable around central rotation under the effect of variable piston 14, during invariant, by nut 9, screw rod 13 is locked on upper end cap 10, upper end cap 10, lower end cap 15 is bolted on housing 1, thrust plate 3,6 is arranged on transmission shaft 2, and is pressed on the side, two, left and right of stator 5.Secondary component identical into and out of hydraulic fluid port size.
When secondary component does not work, in Fig. 3, stator 5 semi major axis center of arc line overlaps with an assembly oil window center line, and now, the corner of stator 5 is zero degree, is the initial rotational position (zero point) of gear type stator 5.
Stator 5 is when initial position, and the discharge capacity of secondary component is zero.Assuming that face toward the direction of secondary component transmission shaft 2, stator 5 clockwise direction angle of rotation is just, counterclockwise angle of rotation is negative.When stator 5 is clockwise or when being rotated counterclockwise, along with stator 5 corner forward or negative sense increase, also forward or negative sense increase the discharge capacity of secondary component, when corner reaches 45 °, the discharge capacity forward of secondary component is maximum, when corner is-45 °, the discharge capacity negative sense of secondary component is maximum, therefore, stator 5 can rotate in-45 ° of-45 ° of angle ranges, and the discharge capacity of secondary component is constantly changed.
During secondary component work, unclamp nut 9, be rotated counterclockwise handwheel 8, variable piston 14 moves down, and facing to the direction of secondary component transmission shaft 2, makes stator 5 rotate clockwise a positive-angle around center by rack pinion, regulates and terminates rear fastening nut 9.When hydraulic fluid port oil-feed on secondary component, during lower hydraulic fluid port oil return, in fig. 4 (a), left and right two the dispensing window places be communicated with hydraulic fluid port on secondary component, in two the symmetrical closed areas be made up of rotor 4, stator 5, two adjacent blades and both sides thrust plate 3,6, due to blade
h,
ncompression area be greater than blade
m,
fcompression area, under the effect of pressure difference, rotor 4 and transmission shaft 2 in a clockwise direction (direction facing to secondary component transmission shaft 2) rotate, and secondary component, with the work of " oil hydraulic motor " operating mode, consumes the energy of hydraulic system, drives loaded work piece.
If stop to secondary component fuel feeding, under the effect of load inertia kinetic energy, rotor 4 and transmission shaft 2 will continue in a clockwise direction (direction facing to secondary component transmission shaft 2) and rotate, now, unclamp nut 9, turn clockwise handwheel 8, and variable piston 14 moves up, and makes stator 5 counterclockwise rotate a negative angle (Zero Crossing Point).In figure 4 (b), upper and lower two the dispensing window places be communicated with hydraulic fluid port under secondary component, two the symmetrical closed area volumes be made up of rotor 4, stator 5, two adjacent blades and both sides thrust plate 3,6 constantly increase, and produce vacuum, suck fluid, lower hydraulic fluid port just becomes inlet port; Two symmetrical closed area volumes that upper oil port is made up of rotor 4, stator 5, two adjacent blades and both sides thrust plate 3,6 constantly reduce, fluid is forced out through upper hydraulic fluid port and enters in hydraulic system, with the work of " oil hydraulic pump " operating mode, to hydraulic system feedback energy, and play braking action.
If stator 5 continues to be in negative angle position, pressure oil is led to hydraulic fluid port on secondary component, during lower hydraulic fluid port oil return, in Fig. 4 (c), left and right two the dispensing window places be communicated with hydraulic fluid port on secondary component, in two the symmetrical closed areas be made up of rotor 4, stator 5, two adjacent blades and both sides thrust plate 3,6, due to blade
u,
rcompression area be greater than blade
s,
vcompression area, under the effect of pressure difference, rotor 4 and transmission shaft 2 are with counterclockwise (direction facing to secondary component transmission shaft 2) rotation, and secondary component, again with the work of " oil hydraulic motor " operating mode, consumes the energy of hydraulic system, drives loaded work piece.
Unclamp nut 9, be rotated counterclockwise handwheel 8, variable piston 14 moves down, by the effect of variable piston 14, stator 5 Zero Crossing Point is in a positive-angle, adjustment terminates rear fastening nut 9, and stop to secondary component fuel feeding, if rotor 4 and transmission shaft 2 are still with counterclockwise (direction facing to secondary component transmission shaft 2) rotation, now, in Fig. 4 (d), what be communicated with hydraulic fluid port under secondary component is upper, lower two dispensing window places, by rotor 4, stator 5, two adjacent blades and both sides thrust plate 3, two symmetrical closed area volumes of 6 compositions constantly increase, produce vacuum, suck fluid, lower hydraulic fluid port just becomes inlet port, two symmetrical closed area volumes that upper oil port is made up of rotor 4, stator 5, two adjacent blades and both sides thrust plate 3,6 constantly reduce, fluid is forced out through upper hydraulic fluid port and enters in hydraulic system, with the work of " oil hydraulic pump " operating mode, to hydraulic system feedback energy, and play braking action.
The size and Orientation of stator 5 angle of swing is determined by the displacement of variable piston 14, and the displacement of variable piston 14 can by the controlling angle of handwheel 8, by the displacement (size and Orientation) of rotation hand wheel 8 adjustable variables plunger 14.
Claims (1)
1. a pinion and-rack double-action blade secondary component comprises housing (1), transmission shaft (2), thrust plate (3,6), rotor (4), stator (5), blade (7), handwheel (8), nut (9), upper end cap (10), sleeve (11), guide pad (12), screw rod (13), variable piston (14), lower end cap (15), it is characterized in that, the center of rotor (4) and stator (5) is fixing and overlaps, the width of rotor (4) is slightly less than the width of stator (5), rotor (4) is arranged in stator (5), the blade groove of rotor (4) is put in one end of blade (7), the other end of blade (7) contacts with the internal surface of stator (5), blade (7) is settled along rotor (4) radial direction, rotor (4) to be coordinated with transmission shaft (2) by spline and connects, and stator (5) outer ring is made gear pattern within the scope of 150 ° centered by semi major axis center of arc, variable piston (14) is arranged in secondary component housing (1), tooth bar pattern is processed in a side of variable piston (14), another side of variable piston (14) is processed with groove, guide pad (12) groove of variable piston (14) is equipped with, the upper end portion of variable piston (14) is processed with internal thread, the lower end of screw rod (13) is processed as outside thread, screw rod (13) and variable piston (14) form transmission width, sleeve (11) screw rod (13) is equipped with, sleeve (11) is arranged in secondary component housing (1), the upper-end surface of sleeve (11) coordinates with the lower surface of screw rod (13) convex shoulder and contacts, the upper surface of screw rod (13) convex shoulder coordinates with upper end cap (10) and contacts, upper end cap (10) is contained on screw rod (13), screw rod (13) upper end is fixed with handwheel (8), variable piston (14) and stator (5) form gear transmission width, screw rod (13) can be locked on upper end cap (10) by nut (9), upper end cap (10), lower end cap (15) is bolted on secondary component housing (1), thrust plate (3,6) is arranged on transmission shaft (2), and is pressed on the side, two, left and right of stator (5), the initial rotational position of stator (5) is the position of stator (5) semi major axis center of arc line when overlapping with an assembly oil window center line, at initial rotational position place, the angle of rotation of stator (5) is zero degree, the discharge capacity of secondary component is zero, stator (5) can from initial rotational position counterclockwise or turn clockwise, and angle range is-45 °-45 °, when stator (5) rotates clockwise a positive-angle around center from initial rotational position, when rotor and transmission shaft clockwise direction rotate, operating mode that secondary component is in " oil hydraulic motor ", when rotor and transmission shaft counterclockwise rotate, operating mode that secondary component is in " oil hydraulic pump ", when stator (5) Zero Crossing Point is rotated counterclockwise a negative angle, when rotor and transmission shaft clockwise direction rotate, operating mode that secondary component is in " oil hydraulic pump ", when rotor and transmission shaft counterclockwise rotate, operating mode that secondary component is in " oil hydraulic motor ", when stator (5) from initial rotational position clockwise or when being rotated counterclockwise, the discharge capacity of secondary component constantly increases, when corner reach ± 45 ° time, the discharge capacity of secondary component reaches maximum value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159059.XA CN104791246A (en) | 2015-04-06 | 2015-04-06 | Pinion-and-rack double-acting blade type secondary assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159059.XA CN104791246A (en) | 2015-04-06 | 2015-04-06 | Pinion-and-rack double-acting blade type secondary assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104791246A true CN104791246A (en) | 2015-07-22 |
Family
ID=53556321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510159059.XA Pending CN104791246A (en) | 2015-04-06 | 2015-04-06 | Pinion-and-rack double-acting blade type secondary assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104791246A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077254A (en) * | 1992-04-07 | 1993-10-13 | 许连焕 | Multi-function variable vane pump and motor |
| JP2005233165A (en) * | 2004-02-23 | 2005-09-02 | Toyota Motor Corp | Variable discharge-quantity vane pump |
| CN201034074Y (en) * | 2007-04-28 | 2008-03-12 | 山东交通学院 | Double-acting vane type secondary element |
| CN101696703A (en) * | 2009-10-14 | 2010-04-21 | 山东交通学院 | Manual-control bivariate double-acting vane hydraulic transformer |
| CN204704103U (en) * | 2015-04-06 | 2015-10-14 | 山东交通学院 | Mechanical transmission variable displacement double-action blade secondary component |
-
2015
- 2015-04-06 CN CN201510159059.XA patent/CN104791246A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077254A (en) * | 1992-04-07 | 1993-10-13 | 许连焕 | Multi-function variable vane pump and motor |
| JP2005233165A (en) * | 2004-02-23 | 2005-09-02 | Toyota Motor Corp | Variable discharge-quantity vane pump |
| CN201034074Y (en) * | 2007-04-28 | 2008-03-12 | 山东交通学院 | Double-acting vane type secondary element |
| CN101696703A (en) * | 2009-10-14 | 2010-04-21 | 山东交通学院 | Manual-control bivariate double-acting vane hydraulic transformer |
| CN204704103U (en) * | 2015-04-06 | 2015-10-14 | 山东交通学院 | Mechanical transmission variable displacement double-action blade secondary component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104196720B (en) | A kind of variable vane pump discharge capacity regulates uses AC servo machinery driving device | |
| CN201034074Y (en) | Double-acting vane type secondary element | |
| CN204704103U (en) | Mechanical transmission variable displacement double-action blade secondary component | |
| CN112377382B (en) | Variable axial plunger pump based on proportional pressure reducing valve control | |
| CN104791246A (en) | Pinion-and-rack double-acting blade type secondary assembly | |
| CN100513775C (en) | Dual-active blade type secondry component | |
| CN201034075Y (en) | Electrically controlled double-acting vane type secondary element | |
| CN104747435A (en) | Stator swing type single-action blade secondary component | |
| CN204041377U (en) | Adopt the transmission type hydraulic press pump of brace and connecting rod framework | |
| CN101696707B (en) | Manually controlled double-acting vane type hydraulic transformer | |
| CN201526543U (en) | Manual control double-acting blade type hydraulic transformer | |
| CN2752473Y (en) | Double-acting blade type secondary element | |
| CN101696702B (en) | Manual-control double-acting vane hydraulic transformer | |
| CN201526545U (en) | Manually controlled difunctional blade type hydraulic transformer | |
| CN201526544U (en) | Manually controlled bivariate difunctional blade type hydraulic transformer | |
| CN101696703B (en) | Manual-control bivariate double-acting vane hydraulic transformer | |
| CN205401292U (en) | Manual control's blade quadratic element spare for nonoculture | |
| CN101696705B (en) | Manual-control vane hydraulic transformer | |
| CN204739183U (en) | Hydraulic transmission device's servo control with fixed set -point mechanism | |
| CN204041378U (en) | Adopt the crank-connecting rod transmission type hydraulic press pump of linear electric motor | |
| CN201526538U (en) | Mechanical controlled double-acting blade type hydraulic transformer | |
| US2867175A (en) | Variable capacity hydraulic pump | |
| CN201526537U (en) | Mechanical control double-acting vane type hydraulic transformer | |
| CN201526540U (en) | Mechanical controlled double-variable double-acting blade type hydraulic transformer | |
| CN101566178B (en) | Double-acting vane type hydraulic transformer controlled by hydraulic cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150722 |