CN102011758A - Oil distributor for double-row radial ten-piston motor - Google Patents
Oil distributor for double-row radial ten-piston motor Download PDFInfo
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- CN102011758A CN102011758A CN 200910192080 CN200910192080A CN102011758A CN 102011758 A CN102011758 A CN 102011758A CN 200910192080 CN200910192080 CN 200910192080 CN 200910192080 A CN200910192080 A CN 200910192080A CN 102011758 A CN102011758 A CN 102011758A
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- oil
- oily
- kidney slot
- distribution casing
- oil distribution
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Abstract
The invention discloses an oil distributor for a double-row radial ten-piston motor. An oil distributing plate, an oil distributing disc and a rear cover are respectively mounted at the upper part of a shell, wherein the rear cover is fixed at the upmost part of the shell with bolts, a floating ring is mounted on a step hole of the rear cover in clearance fit through a cylinder, oil orifices (A and B) are sealed and cut off by a bidirectional sealing ring, the floating ring is located on the rear cover and arranged at the upper part of the oil distributing disc by a cylindrical pin so as to match with the oil distributing disc, a thrust spring is mounted in a step hole between the rear cover and the floating ring, a transmission shaft enters from the bottom of the shell, penetrates through the oil distributing plate and is connected with the oil distributing disc through a spline so that the oil distributing disc is driven to synchronously rotate by the spline through the transmission shaft, the transmission shaft below the oil distributing disc is also provided with a piston, the end cover, the spring and the floating ring are integrated under the bolt action to constantly press the oil distributing disc on the oil distributing plate, and the piston and the sealing ring thereon act together to cut the shell and an oil cavity (A). The oil distributor can ensure the high-speed continuity and the low-speed stability of oil distribution, automatically comprehend the end surface gap, improve the volumetric efficiency of the motor and prolong the service life of the oil distributor.
Description
Technical field
The present invention relates to fluid transmission and control field hydraulics, especially a kind of biserial is ten piston motor distributing devices radially.
Background technique
Biserial is ten piston motors radially, have big discharge capacity, big, the advantages such as steady, compact structure, and long service life of moving of output torque.The distributing device of existing motor has axle to join oil and end face is joined oily mode.Axle is joined oil and produce leakage because of the gap of advancing, existence can't be eliminated between oil back chamber in being joined the oilcan body; Axle is subjected to uneven hydraulic radial masterpiece and is used in generation off-centre in the housing, amount of leakage is increased, reveal and minimizing to join oil-gap for reducing volume, but, because oil distributing shaft is longer, to the temperature variation sensitivity, is easy to generate thermal shock and causes oil distributing shaft to be killed, and oil distributing shaft wearing and tearing post gap increases and can not compensate automatically.And end face is joined oil and is all existed by the Separating force that changes on oil distribution casing and be adjacent to the power effect and produce tilting moment, in rotation process, oil distribution casing is toppled, the leverage of distributing device, volumetric efficiency descend, not only reduce operating life, and influenced the low-speed stability of motor.
Summary of the invention
The objective of the invention is to solve the deficiency that two kinds of oil distribution casings of above-mentioned prior art exist, and a kind of high-speed and continuous and low-speed stability that can guarantee to join oil be provided, and can compensate the end clearance automatically, improve the motor volumetric efficiency greatly, the biserial that prolongs distributing device working life is ten piston motor distributing devices radially.
The object of the present invention is achieved like this:
A kind of biserial is ten piston motor distributing devices radially, comprise bonnet, thrust spring, floating ring, oil distribution casing, transmission shaft, oil-distributing plate and housing, the top of housing is separately installed with oil-distributing plate, oil distribution casing and bonnet, bonnet is fixed on the housing the topmost part of motor by construction bolt, floating ring is installed on the shoulder hole of bonnet by the cylindrical gap cooperation, seal partition A by the two way sealed circle, the B hydraulic fluid port, straight pin is positioned at bonnet with floating ring, and be positioned at the top of oil distribution casing, so that cooperate with oil distribution casing, thrust spring is installed in the shoulder hole between bonnet and the floating ring, one transmission shaft enters through housing bottom, pass oil-distributing plate, and be connected with oil distribution casing by spline, so that oil distribution casing drives together rotation synchronously by transmission shaft by spline, also be provided with piston on the transmission shaft of oil distribution casing below, under the bolt effect, end cap, spring, floating ring constitutes an integral body, and oil distribution casing is pressed on the oil-distributing plate all the time, and piston and one same-action of the seal ring on it thereof cut off housing and A oil pocket.
Purpose of the present invention can also adopt following technical measures to solve:
As scheme more specifically, have on the described oil distribution casing and join oily kidney slot, join oily kidney slot, join oily kidney slot, join oily kidney slot, compensating groove, compensating groove, join oily runner, join oily runner, join oily runner, join oily runner and release runner, wherein, describedly join that oily kidney slot equates with the cross sectional area of joining oily kidney slot and along the axial symmetry of oil distribution casing, and join that oily kidney slot equates with the section area of joining oily kidney slot and along the axial symmetry of oil distribution casing, compensating groove and balance groove area equate and along the axial symmetry of oil distribution casing.
Two rows that radially are drilled with along described oil-distributing plate divide oilhole, every row divides oilhole to be made of the oilhole of five shape settings that are evenly distributed, oilhole with join oily kidney slot and join oily kidney slot and constitute the first colonnade plug oil cylinder distributing device, oilhole constitutes secondary series plunger cylinder distributing device with joining oily kidney slot and join oily kidney slot.
The two of describedly joining oily kidney slot, join oily kidney slot, join oily kidney slot and joining oily kidney slot all has two triangle sulculuses
The invention has the beneficial effects as follows:
(1) biserial of the present invention ten piston motor distributing devices radially, can guarantee the full balance of tilting moment, reduce oil distribution casing and oil-distributing plate, floating ring contact surface eccentric wear phenomenon, can compensate the end clearance automatically, volumetric efficiency and mechanical efficiency have been improved greatly, improve the service behaviour of motor, improved high-speed and continuous and low-speed stability, and prolonged the working life of distributing device.。
Description of drawings
Fig. 1 is the radially cut-away view of ten piston motors usefulness distributing device of biserial of the present invention;
Fig. 2 is a floating ring structural representation of the present invention.
Fig. 3 is an oil distribution casing stereo amplification figure of the present invention;
Fig. 4 is an oil-distributing plate operative end surface enlarged diagram of the present invention;
Embodiment
As shown in Figures 1 to 4, a kind of biserial is ten piston motor distributing devices radially, comprise bonnet 1, thrust spring 2, floating ring 3, oil distribution casing 4, transmission shaft 5, oil-distributing plate 6 and housing 7, the top of housing 7 is separately installed with oil-distributing plate 6, oil distribution casing 4 and bonnet 1, bonnet 1 is fixed on housing 7 the topmost parts of motor by construction bolt, floating ring 3 is installed on the shoulder hole of bonnet 1 by the cylindrical gap cooperation, seal partition A by two way sealed circle 15, the B hydraulic fluid port, straight pin 14 is positioned at bonnet 1 with floating ring 3, and be positioned at the top of oil distribution casing 4, so that cooperate with oil distribution casing 4, thrust spring 2 is installed in the shoulder hole between bonnet 1 and the floating ring 3, one transmission shaft 5 enters through housing 7 bottoms, pass oil-distributing plate 6, and be connected with oil distribution casing 4 by spline, so that oil distribution casing 4 drives together rotation synchronously by transmission shaft 5 by spline, also be provided with piston 12 on the transmission shaft 5 of oil distribution casing 4 belows, under the bolt effect, end cap 1, spring 2, floating ring 3 constitutes an integral body, oil distribution casing 4 is pressed on the oil-distributing plate 6 all the time, piston 12 and 11 1 same-actions of the seal ring on it thereof cut off housing 7 and A oil pocket, seal ring 8, seal ring 9, seal ring 10 is used for end face seal, prevents that end face from revealing.
See for details shown in Figure 3, have on the above-mentioned oil distribution casing 4 and join oily kidney slot 16, join oily kidney slot 17, join oily kidney slot 18, join oily kidney slot 19, compensating groove 20, compensating groove 21, join oily runner 22, join oily runner 23, join oily runner 24, join oily runner 25 and release runner 26, wherein, describedly join oily kidney slot 16 and equate with the cross sectional area of joining oily kidney slot 17, and it is axially symmetrical along oil distribution casing, equate with the section area of joining oily kidney slot 19 and join oily kidney slot 18, and axially symmetrical along oil distribution casing, compensating groove 20 and compensating groove 21 areas equate, and it is axially symmetrical along oil distribution casing.The two of describedly joining oily kidney slot 16, join oily kidney slot 17, join oily kidney slot 18 and joining oily kidney slot 19 all has two triangle sulculus D, is in order to prevent to join in the oily process, unexpected increase of pressure and flow and minimizing and build-up of pressure and flow pulsation and impact.
See shown in Figure 4, two rows that radially are drilled with along described oil-distributing plate 6 divide oilhole, every row divides oilhole to be made of the oilhole of five shape settings that are evenly distributed, oilhole 27 constitutes first row, 5 plunger cylinder distributing devices with joining oily kidney slot 16 and join oily kidney slot 17, and oilhole 28 constitutes secondary series 5 plunger cylinder distributing devices with joining oily kidney slot 18 and join oily kidney slot 19.
Motor is just changeing joins oily process: pressure oil enters from the A mouth, after arriving housing 1 epicoele, runner 29, runner 30 backs by floating ring 3 arrive floating ring 3 and oil distribution casing 4 Seal cages, arrive respectively in waist shape distributing groove 16 on the oil distribution casing 4, the waist shape oil distribution casing 18 through oil distribution casing 4 upper runners 23, runner 25 again, waist shape distributing groove 16, waist shape oil distribution casing 18 communicate with passage flow duct hole 27, through flow hole 28 on the oil-distributing plate respectively, and pressure oil correspondingly is fitted in 10 plunger cylinders along with transmission shaft rotates like this.Fluid refluxes from the motor plunger cylinder by the runner 27 on the oil-distributing plate 6, runner 28 is got back in the waist shape distributing groove 17 waist shape oil distribution casings 19 of oil distribution casing 4, respectively by runner 24, the runner 22 of oil distribution casing 4, arrival oil distribution casing 5, floating ring 3, housing 1 are discharged by the B mouth after forming sealed volume again.
Oily process is joined in motor counter-rotating: only needs transposing A, B pressure oil and oil return direction just can realize that motor reverses, whole join that oily process and motor just changeing to join oily process opposite.
The stressing conditions of following surface analysis distributing device:
(1) floating ring 3 stressing conditions analyses: motor starting is during moment, and not during proper functioning, floating ring 3 is close on the oil distribution casing 4 it by the impacting force of thrust spring 2 as yet.When pressure oil enters from the A mouth, during the oil return of B mouth, action of hydraulic force is on face 31 and face 32, because of the active area of face 31 active area greater than face 32, adding the effect of thrust spring again, their force action is pressed on the oil distribution casing floating ring on face 33 all the time.When pressure oil enters from B, action of hydraulic force is on face 35 and face 34 during the oil return of A mouth, because of the active area of face 35 active area greater than face 34, adding the effect of thrust spring again, their force action makes floating ring be pressed on the oil distribution casing all the time on face 33 equally.Above-mentioned two kinds of point of resultant force all along axis by floating ring 3 centers, make floating ring 3 be close to oil distribution casing 4 by structure optimization with suitable impacting force, and no matter from the oil-feed of A mouth still from the oil-feed of B mouth, compress the coefficient approximately equal.
(2) oil distribution casing 4 stressing conditions analyses: though pressure from oil-feed of A mouth or the oil-feed of B mouth, floating ring 3 and thrust spring 2 actings in conjunction make oil distribution casing 4 have impacting force to act on all the time and join oily base plate 6.When the oil-feed of A mouth, when the B mouth is fuel-displaced, fluid acts on by floating ring 3 and oil distribution casing 4 forms sealing plane, this pressure is vertically downward by the oil distribution casing center, make oil distribution casing 4 compress oil-distributing plate 6, join oily kidney slot 16,18 inner fluid effects simultaneously, oil distribution casing 4 is separated with oil-distributing plate and the axis of oil distribution casing 4 is produced the power effect of toppling; Eliminate the power of toppling by compensating groove 20.When the oil-feed of B mouth, when the A mouth is fuel-displaced, fluid acts on by housing 1, floating ring 3 and oil distribution casing 4 forms sealing plane, fluid acts in the outer surface projection and oil distribution casing base area of oil distribution casing, this pressure is vertically downward by the oil distribution casing center, make oil distribution casing 4 compress oil-distributing plate 6, join oily kidney slot 17,19 inner fluid effects simultaneously, oil distribution casing 4 is separated with oil-distributing plate and the axis of oil distribution casing 4 is produced the power effect of toppling; Eliminate the power of toppling by compensating groove 21.
Biserial of the present invention is ten piston motor distributing devices radially, can guarantee the full balance of tilting moment, reduce oil distribution casing 4 and oil-distributing plate 6, floating ring 3 contact surface eccentric wear phenomenons, volumetric efficiency and mechanical efficiency have been improved greatly, improve the service behaviour of motor, improved high-speed and continuous and low-speed stability.
Claims (4)
1. a biserial ten piston motor distributing devices radially, it is characterized in that, comprise bonnet (1), thrust spring (2), floating ring (3), oil distribution casing (4), transmission shaft (5), oil-distributing plate (6) and housing (7), the top of housing (7) is separately installed with oil-distributing plate (6), oil distribution casing (4) and bonnet (1), bonnet (1) is fixed on housing (7) the topmost part of motor by construction bolt, floating ring (3) is installed on the shoulder hole of bonnet (1) by the cylindrical gap cooperation, seal partition A by two way sealed circle (15), the B hydraulic fluid port, straight pin (14) is positioned at bonnet (1) with floating ring (3), and be positioned at the top of oil distribution casing (4), so that cooperate with oil distribution casing (4), thrust spring (2) is installed in the shoulder hole between bonnet (1) and the floating ring (3), one transmission shaft (5) enters through housing (7) bottom, pass oil-distributing plate (6), and be connected with oil distribution casing (4) by spline, so that oil distribution casing (4) drives together rotation synchronously by transmission shaft (5) by spline, also be provided with piston (12) on the transmission shaft (5) of oil distribution casing (4) below, under the bolt effect, end cap (1), spring (2), floating ring (3) constitutes an integral body, oil distribution casing (4) is pressed on the oil-distributing plate (6) all the time, and piston (12) and (11) one same-actions of the seal ring on it thereof cut off housing (7) and A oil pocket.
2. according to the described biserial of claim 10 piston motor distributing devices radially, it is characterized in that, have on the described oil distribution casing (4) and join oily kidney slot (16), join oily kidney slot (17), join oily kidney slot (18), join oily kidney slot (19), compensating groove (20), compensating groove (21), join oily runner (22), join oily runner (23), join oily runner (24), join oily runner (25) and release runner (26), wherein, the described oily kidney slot (16) of joining equates with the cross sectional area of joining oily kidney slot (17), and it is axially symmetrical along oil distribution casing, equate with the section area of joining oily kidney slot (19) and join oily kidney slot (18), and axially symmetrical along oil distribution casing, compensating groove (20) and compensating groove (21) area equate, and it is axially symmetrical along oil distribution casing.
3. according to the described biserial of claim 20 piston motor distributing devices radially, it is characterized in that, two rows that radially are drilled with along described oil-distributing plate (6) divide oilhole, every row divides oilhole to be made of the oilhole of five shape settings that are evenly distributed, oilhole (27) constitutes first row (5) plunger cylinder distributing device with joining oily kidney slot (16) and join oily kidney slot (17), oilhole (28) with join oily kidney slot (18) and join oily kidney slot (19) formation secondary series (5) plunger cylinder distributing device.
4. according to the described biserial of claim 20 piston motor distributing devices radially, it is characterized in that the two of describedly joining oily kidney slot (16), join oily kidney slot (17), join oily kidney slot (18) and joining oily kidney slot (19) all has two triangle sulculus D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910192080 CN102011758B (en) | 2009-09-04 | 2009-09-04 | Oil distributor for double-row radial ten-piston motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910192080 CN102011758B (en) | 2009-09-04 | 2009-09-04 | Oil distributor for double-row radial ten-piston motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011758A true CN102011758A (en) | 2011-04-13 |
| CN102011758B CN102011758B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910192080 Active CN102011758B (en) | 2009-09-04 | 2009-09-04 | Oil distributor for double-row radial ten-piston motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452932A (en) * | 2013-08-05 | 2013-12-18 | 四川省宜宾普什驱动有限责任公司 | Pressure equalizing valve |
| CN108612620A (en) * | 2018-06-19 | 2018-10-02 | 佛山市顺德区中意液压有限公司 | A kind of compact high efficient oil distribution mechanism for radial plunger type motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1287011A (en) * | 1968-10-05 | 1972-08-31 | Duesterloh Gmbh | A hydraulic liquid distributor for a reversible hydraulic axial or radial piston machine |
| IT1266639B1 (en) * | 1993-10-29 | 1997-01-09 | Riva Calzoni Spa | ROTARY GROUP FOR DISTRIBUTION OF PRESSURE FLUID PARTICULARLY FOR HYDRAULIC MOTORS WITH DOUBLE SERIES OF THRUSTERS ACTING IN COUNTER-PHASE |
| CN2597696Y (en) * | 2003-01-21 | 2004-01-07 | 何剑锋 | Radial plunger-type hydraulic motor of end face compensation oil distributing |
| CN201547042U (en) * | 2009-08-07 | 2010-08-11 | 佛山市顺德区中意液压有限公司 | Biserial radial ten-piston motor-used oil distribution device |
-
2009
- 2009-09-04 CN CN 200910192080 patent/CN102011758B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452932A (en) * | 2013-08-05 | 2013-12-18 | 四川省宜宾普什驱动有限责任公司 | Pressure equalizing valve |
| CN103452932B (en) * | 2013-08-05 | 2015-10-14 | 四川省宜宾普什驱动有限责任公司 | A kind of pressure equalizing valve |
| CN108612620A (en) * | 2018-06-19 | 2018-10-02 | 佛山市顺德区中意液压有限公司 | A kind of compact high efficient oil distribution mechanism for radial plunger type motor |
| CN108612620B (en) * | 2018-06-19 | 2023-11-03 | 佛山市顺德区中意液压有限公司 | Compact efficient oil distribution mechanism for radial plunger hydraulic motor |
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| Publication number | Publication date |
|---|---|
| CN102011758B (en) | 2013-01-02 |
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