CN105604780B - A kind of axle distributing cycloid hydraulic motor is combined oil-through-hole - Google Patents
A kind of axle distributing cycloid hydraulic motor is combined oil-through-hole Download PDFInfo
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- CN105604780B CN105604780B CN201410666820.4A CN201410666820A CN105604780B CN 105604780 B CN105604780 B CN 105604780B CN 201410666820 A CN201410666820 A CN 201410666820A CN 105604780 B CN105604780 B CN 105604780B
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Abstract
Oil-through-hole is combined the present invention relates to a kind of axle distributing cycloid hydraulic motor, belongs to hydraulic transmission technology field.Axle distributing cycloid hydraulic motor of the present invention it is different every disk both ends of the surface oil-through-hole shape, one end is made up of two sections of circular arcs, other ends four arcses, between using rounding off oil passage compound oil-through-hole, with prior art axle distributing cycloid motor every dish structure compared with manufacturing process, the oil area every disk is increased after the above-mentioned improved structure of the present invention, reduce the gap at the flat valve engagement axis hole of the out-of-date resistance of liquid circulation and the coaxial distributing construction of increase, reduce possible leakage, the pressure loss is reduced, the efficiency of product is improved.
Description
Technical field
The present invention relates to one kind every disk hole, especially a kind of axle distributing cycloid hydraulic motor is combined oil-through-hole every disk, simultaneously
Its processing method is further related to, belongs to hydraulic transmission technology field.
Background technology
Cycloid hydraulic motor is both conventional fluid pressure drive device, is also to realize that hydraulic energy is converted into the conventional liquid of function amount
Press performs device.Cycloid hydraulic motor is a kind of low-speed big torque motor, with small volume, specific power density big, efficiency high,
The advantages of range of speeds is wide, thus be widely applied.
The flow-distribution mechanism of axle distributing cycloid hydraulic motor is located at the pintle and the flow of body shell of the output shaft cooperated
The radial distribution varying number flow duct in hole, during motor operations, flow-distribution mechanism nibbles inlet and the extension of cycloidal pin wheel set
Chamber connection is closed, and the contraction chamber of cycloidal pin wheel set is connected with refluxing opening.As a result, pressure fluid from inlet enter body shell or after
Chamber is engaged in Gai Hou, the extension into cycloidal pinion engaged pair formation, its volume is constantly expanded, while cycloidal pinion engaged pair shape
Into contraction engagement chamber in liquid then from refluxing opening flow back；In the process, the rotor of cycloidal pinion engaged pair is expanded engagement
The pressure differential that chamber engages chamber with shrinking drives rotation, and this rotation is delivered into output shaft output by universal driving shaft, so as to realize
Conversion from hydraulic energy to mechanical energy.At the same time, flow-distribution mechanism（Axle valve）Also driven and rotate by universal driving shaft, that goes round and begins again is continuous
Switch connected state, transfer process is continued.So, motor just can continuous output torque.
According to the applicant understood, the flow-distribution mechanism of existing axle distributing cycloid hydraulic motor and edge pillar turn to pass through between stator pair
Link up, be connected every the oil-through-hole of disk with the fluid through hole of flow-distribution mechanism every disk, be concentric circle holes or concentric semicircles hole with being connected spiral shell
The mounting hole that keyhole is linked up, the class formation is due to the position limitation of the fluid through hole of flow-distribution mechanism, its flow with flow-distribution mechanism
The gap in hole is smaller, causes the flow interporal lacuna every disk oil-through-hole and flow-distribution mechanism small, is unfavorable for preventing fluid seepage, Yi Jiyou
Hydraulic damping is caused in the oil-through-hole limitation every disk.
The content of the invention
Present invention aims at：The problem of existing for above prior art, proposes a kind of axle distributing cycloid hydraulic motor
A kind of oil-through-hole, increase of compound oil-through-hole and flow interporal lacuna every disk improves its processing technology, improve every disk production efficiency with
The overall performance of product.
In order to achieve the above object, applicant is by the analysis of Integral Structure to axle distributing cycloid hydraulic motor, especially
Flow-distribution mechanism, edge pillar turn the secondary position relationship with every disk oil-through-hole of stator movement and studied, and find out the weak link of existing structure,
Using new material new process, on the premise of keeping existing overall motor appearance and size and overall structure constant, proposition is following originally
The technical scheme of invention is：Axle distributing cycloid hydraulic motor every having two different annular spreads of distribution circle on disk disc
Duct, outer shroud duct is bolt connection passage, and inner ring duct is the oil-through-hole of motor oil passage, and it is theed improvement is that, one
Kind of axle distributing cycloid hydraulic motor oil-through-hole, described oil-through-hole on disk the duct of the different key elements of both ends of the surface every being made up of, and one
End is made up of two sections of circular arcs, other ends four arcses, two ends difference duct rounding off, is formed fluid and is integrally combined oil-through-hole
Described oil-through-hole one end is connected with the oil-through-hole with streaming system, and the other end the engage cavity secondary with turning stator is connected.
Described two sections of circular arcs every oil-through-hole on disk by using every disk center as the center of circle an isocentric circular arc and phase therewith
The circular hole of friendship circular arc composition, the four arcses every oil-through-hole on disk by using every disk center as the center of circle two concentric circles
The symmetrical two ends circular arc composition of arc and intersecting therewith circular hole.
Two sections of circular arcs of described one end by using every disk center as the center of circle an isocentric circular arc with four arcses by with every
Disk center is same circular arc for the small arc-shaped in two isocentric circular arcs in the center of circle.
The oil-through-hole with streaming system is completely covered in described compound oil-through-hole, and described compound oil-through-hole is located at bore of stator
Maximum position.
Above technical scheme is further improved：Described is combined oil-through-hole with disposable by powder metallurgy every disk every disk
Process forming.
With prior art axle distributing cycloid motor every dish structure compared with manufacturing process, above-mentioned improved structure of the invention
The gap at the oil area every disk, and the flat valve engagement axis hole of coaxial distributing construction is increased afterwards, is reduced possible
Leakage, reduces the pressure loss, improves the efficiency of product, change processing technology, using PM technique, improves effect
Rate, saving material, so as to save cost.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram every disk of axle distributing cycloid motor prior art.
Fig. 2 is the structural representation of one embodiment of the invention.
Output shaft 1 in figure, key 2, dust ring 3, axle envelope 4, protecgulum 5, valve body 6, O-ring 7, valve ball 8, body shell 9, oil port cover
10, O-ring 11, every disk 12, rotor 13, stator 14, bonnet 15, plug screw 16, pad 17, steel plate washer 18, bolt 19, pin tooth 20,
Universal driving shaft 21, bearing 22, O-ring 23, screw 24, end ring 25.
Fig. 3 is the end face structure schematic diagram of Fig. 2 embodiments middle separate disk 12.
Fig. 4 is the rounding off structural representation that Fig. 3 embodiments middle separate disk 12 is combined oil-through-hole.
Fig. 5 is the secondary structural representation of Fig. 2 embodiment transfers stator.
Stator 1-1 in figure, rotor 1-2, pin tooth 1-3.
Embodiment one
The basic structure of the axle distributing cycloid hydraulic motor of the present embodiment is as shown in Fig. 2 mainly include output shaft 1, protecgulum
5th, body shell 9, universal driving shaft 21, every disk 12, turn stator pinwheel pair 13,14 and 20, bonnet 15 etc., wherein cycloidal pinion engaged pair by
Rotor 13, stator 14 and pin tooth 20 are constituted, and stator 14 and are fixed on jointly in body shell 9 by bolt 19 every disk 12 and bonnet 15, from
And form seven cavitys for communicating one by one of high-low pressure oil-through-hole only with the flow duct in body shell 9, every disk 12.
Fig. 1 is to have 2 distribution circles different on schematic diagram of the axle distributing cycloid motor every the prior art of disk 12, its disc
Annular spread circular hole, the structural representation every disk 12 of the innovation technology is has 2 distributions shown in Fig. 3, on its disc
The duct of the different annular spread of circle, outer shroud duct is bolt connection passage, and inner ring duct is motor oil passage, as every disk
The compound oil-through-hole of cycloid hydraulic motor on 12, described oil-through-hole every on disk 12 by the different key elements of both ends of the surface subset of cell channels
Into one end is made up of two sections of circular arcs, other ends four arcses, two ends difference duct rounding off, as shown in figure 4, forming oil
Liquid is integrally combined oil-through-hole one end described in oil-through-hole and connected with the oil-through-hole of streaming system, the other end with turn stator pair engage sky
Chamber is connected.
Described two sections of circular arcs every oil-through-hole on disk 12 by an isocentric circular arc using the centers of Ge Pan 12 as the center of circle and with
Intersecting circular hole circular arc composition, the four arcses every oil-through-hole on disk 12 are by two using the centers of Ge Pan 12 as the center of circle
The symmetrical two ends circular arc composition of individual isocentric circular arc and intersecting therewith circular hole.
Two sections of circular arcs of described one end by an isocentric circular arc using the centers of Ge Pan 12 as the center of circle with four arcses by with
The centers of Ge Pan 12 are same circular arcs for the small arc-shaped in two isocentric circular arcs in the center of circle.
The oil-through-hole with streaming system on the assignment hole in body shell 9 and output shaft 1 is completely covered in described compound oil-through-hole,
Described compound oil-through-hole is located at the inner chamber maximum position of stator 14.
The described assignment hole being combined every disk 12 in body shell 9 of the small concentric arc line of oil-through-hole with axle Flat valve system is protected
Hold seal clearance, it is ensured that high-pressure leakage reduces minimum zone, its optimal seal clearance ensures 2.0mm between 4.0mm.
Above technical scheme is further improved：Described is combined oil-through-hole and its rounding off area with every disk every disk 12
12 overall times are shaped by powder metallurgical technique, after shaping be heat-treated, improve hardness, after heat treatment carry out Double face grinding and
Into finished product.
Traditional axle flow motor every disk as shown in figure 1, the oil-through-hole in its inner ring duct be circular port, compact conformation
Reason, it is impossible to not only ensured larger seal clearance but also ensured larger oil area, and traditional processing is added using drilling machinery
Work, efficiency is low, and cost is high.
Fig. 5 is the basic structure for turning stator Meshing Pair in the axle distributing cycloid hydraulic motor such as Fig. 2 of the present embodiment, motion
During stator 1-1, rotor 1-2, pin tooth 1-3 form different engagement chambers.
In addition to the implementation, the present invention can also have other embodiment.For example, being combined oil-through-hole every disk both ends of the surface
Circular arc is different, and different rotary shaft sealings of the diameter of axle etc. are adapted to using the diameter of axle of different bearings.All use equivalent substitutions
Or the technical scheme of equivalent transformation formation, all fall within the protection domain of application claims.
Claims (7)
1. a kind of axle distributing cycloid hydraulic motor is combined oil-through-hole, axle distributing cycloid hydraulic motor every having two on disk disc
The duct of the different annular spread of distribution circle, outer shroud duct is bolt connection passage, and inner ring duct is the logical of motor oil passage
Oilhole, it is characterised in that：Described oil-through-hole on disk the duct of the different key elements of both ends of the surface every being made up of, and one end is by two sections of circles
Arc, the other end are made up of four arcses, two ends difference duct rounding off, are formed fluid and are integrally combined oil-through-hole, the logical oil
Hole one end is connected with the oil-through-hole with streaming system, and the other end the engage cavity secondary with turning stator is connected.
2. a kind of axle distributing cycloid hydraulic motor according to claim 1 is combined oil-through-hole, it is characterised in that：It is described every
On disk two sections of circular arcs of oil-through-hole by using every disk center as the center of circle an isocentric circular arc and the circular arc group of intersecting therewith circular hole
Into, four arcses every oil-through-hole on disk by using every disk center as two isocentric circular arcs in the center of circle and intersecting therewith circle
The symmetrical two ends circular arc composition in hole.
3. a kind of axle distributing cycloid hydraulic motor according to claim 2 is combined oil-through-hole, it is characterised in that：It is described every
On disk two sections of circular arcs of one end of oil-through-hole by using every disk center as the center of circle an isocentric circular arc with four arcses by with every disk
Center is same circular arc for the small arc-shaped in two isocentric circular arcs in the center of circle.
4. a kind of axle distributing cycloid hydraulic motor according to claim 3 is combined oil-through-hole, it is characterised in that：Described answers
Close oil-through-hole and the oil-through-hole with streaming system is completely covered, described compound oil-through-hole is located at bore of stator maximum position.
5. a kind of axle distributing cycloid hydraulic motor according to claim 4 is combined oil-through-hole, it is characterised in that：It is described every
The optimal seal clearance that disk is combined the small concentric arc line of oil-through-hole and the assignment hole in the body shell of axle Flat valve system ensures
2.0mm is between 4.0mm.
6. being combined oil-through-hole processing method according to a kind of any described axle distributing cycloid hydraulic motor of claim 1 to 5, it is special
Levy and be：It is described to be combined oil-through-hole and its rounding off area in company with every checking and regulating body using powder metallurgical technique shaping every disk.
7. a kind of axle distributing cycloid hydraulic motor according to claim 6 is combined oil-through-hole processing method, it is characterised in that：
Described is heat-treated every after disk shaping, improves hardness, and cross grinding is carried out after heat treatment and forms finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666820.4A CN105604780B (en) | 2014-11-20 | 2014-11-20 | A kind of axle distributing cycloid hydraulic motor is combined oil-through-hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666820.4A CN105604780B (en) | 2014-11-20 | 2014-11-20 | A kind of axle distributing cycloid hydraulic motor is combined oil-through-hole |
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| CN105604780A CN105604780A (en) | 2016-05-25 |
| CN105604780B true CN105604780B (en) | 2017-09-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106593759A (en) * | 2017-01-06 | 2017-04-26 | 镇江大力液压马达股份有限公司 | Body shell positioning axial flow cycloid hydraulic motor with front cover |
| CN106523264A (en) * | 2016-12-13 | 2017-03-22 | 镇江大力液压马达股份有限公司 | High-speed flow allocation cycloid hydraulic motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3582960B2 (en) * | 1997-06-13 | 2004-10-27 | カヤバ工業株式会社 | Piston pump / motor |
| JP2000130467A (en) * | 1998-10-28 | 2000-05-12 | Mayekawa Mfg Co Ltd | Gear type variable speed device |
| CN2756858Y (en) * | 2004-08-26 | 2006-02-08 | 伊顿流体动力（济宁）有限公司 | Low noise disc distribution flow cycloidal hydraulic motor |
| CN202100377U (en) * | 2011-02-21 | 2012-01-04 | 南京见龙田液压科技有限公司 | Hydraulic motor of non-circular planetary gear system |
| CN202673560U (en) * | 2012-05-24 | 2013-01-16 | 山西金宇粉末冶金有限公司 | Hydraulic motor valve plate |
| CN203009155U (en) * | 2012-12-28 | 2013-06-19 | 宁波新宏液压有限公司 | Oil distribution disc of hydraulic motor |
| CN204267212U (en) * | 2014-11-20 | 2015-04-15 | 镇江大力液压马达股份有限公司 | A kind of axle distributing cycloid hydraulic motor compound oil through |
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