CN106438189A - Ultrafine cycloid hydraulic motor - Google Patents
Ultrafine cycloid hydraulic motor Download PDFInfo
- Publication number
- CN106438189A CN106438189A CN201610535860.4A CN201610535860A CN106438189A CN 106438189 A CN106438189 A CN 106438189A CN 201610535860 A CN201610535860 A CN 201610535860A CN 106438189 A CN106438189 A CN 106438189A
- Authority
- CN
- China
- Prior art keywords
- stator
- disk
- hydraulic motor
- motor
- body shell
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
- F03C2/22—Rotary-piston engines of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
Abstract
The invention relates to an ultrafine cycloid hydraulic motor, and belongs to the technical field of hydraulic transmission. The motor is a 4/5 toothed integral rotor and stator pair, and comprises a shell and an output shaft, flow distribution channels which mutually distribute flow exist between a shell hole and the axle diameter of the output shaft, and an O-shaped sealing slot is arranged on the excircle of the shell; and the motor is arranged in a driving device, the oil inlet and the oil outlet of a hydraulic system are connected through a valve block, and the needle tooth radius Rrp of a rotor and stator pair stator adopts the needle tooth radius of a 6/7 rotor and stator. The integral motor has a very compact structure and a very small size, and can completely substitute motor driven systems under large torque and high rotating speed use conditions.
Description
Technical field
The present invention relates to a kind of cycloid hydraulic motor, especially a kind of ultra micro axle flow type cycloid hydraulic motor, belong to liquid
Pressure drive technology field.
Background technology
Cycloid hydraulic motor is to realize the conventional hydraulic pressure execution device that hydraulic energy is converted into function amount.Such device main
It is made up of body shell, bonnet, flow system and moment of torsion transmission system.The flow-distribution mechanism of axle distributing cycloid hydraulic motor is located at phase interworking
The pintle of output shaft closing and the radial distribution varying number flow duct of the assignment hole of body shell, during motor operations, flow machine
Structure makes inlet engage chamber connection with the extension of cycloidal pin wheel set, and so that the contraction chamber of cycloidal pin wheel set is connected with refluxing opening.Knot
Really, after inlet enters body shell or bonnet, the extension engagement chamber entering cycloidal pinion engaged pair formation is so as to hold for pressure fluid
Long-pending constantly expansion, in the contraction engagement chamber that cycloidal pinion engaged pair is formed simultaneously, liquid then flows back from refluxing opening；In the process,
The rotor of cycloidal pinion engaged pair is expanded engagement chamber and orders about rotation with shrinking the pressure differential engaging chamber, and this is rotated by connection
Moving axis is delivered to output shaft output, thus realizing the conversion to mechanical energy for the hydraulic energy.Meanwhile, flow-distribution mechanism（Axle valve）Also by
Universal driving shaft is rotated, the continuous switching connected state going round and beginning again, and so that transfer process is continued.So, motor is just
Can continuously output torque and rotating speed.
According to the applicant understood, the diameter of the appearance and size of current cycloid hydraulic motor all Φ 60 and its more than, such as announce
Number CN201137548Y Minisize axial-flow cycloid hydraulic motor is it is simply that a kind of Minisize axial distributing cycloid hydraulic pressure of profile diameter Φ 60
Motor（Applicant's product coding is BMM）, and with scientific and technological development, increasingly more drivings need diameter less and tie
The short and simply compact rotary driving source of structure.Therefore, how on the premise of ensureing original performance parameter, driven using hydraulic motor
Move, and reduce the volume of hydraulic motor as far as possible, become the problem being worth research.
Content of the invention
It is an object of the invention to：The deficiency existing for above-mentioned prior art, proposes a kind of outer based on 4/5 tooth engagement
The little cycloid hydraulic motor of shape diameter, a kind of ultra micro axle flow type cycloid hydraulic motor, thus meet the demand of structure design.
For the attainment of one's purpose, the present invention turns the basic technical scheme of the secondary motor of stator based on the monoblock type of 4/5 tooth, including
Have including body shell and output shaft, there is between described body shell hole and the output shaft diameter of axle flow passage of mutual flow, output shaft
Internal spline be connected with the rotor internal spline turning in stator pair by universal driving shaft, described turn stator secondary by front every disk and body shell
Duct is linked up, and it thes improvement is that, described turn the secondary stator of stator with after be connected every disk, described after have every disk and turn stator
Two oil throughs that secondary high-low pressure chamber is linked up respectively, described after have that two and rotor internal spline cavity are linked up in the middle of disk two
Individual aperture, is provided with O-ring seal groove on described body shell is cylindrical；Described motor is arranged in driving means, described two logical
The oil inlet and outlet of oilhole and hydraulic system is linked up by valve block.
Described body shell is cylindrical to be sealed by O-ring and driving means, by the duct of valve block will be described after every the two of disk
The Leakage Energy of individual aperture takes back fuel tank.
Above technical scheme is further improved：The described pin tooth radius Rrp turning stator pair stator is using 6/7 turn of stator
Pin tooth radius, described pin tooth radius is 11.1mm, and turning the secondary eccentric throw of stator is 2.2 to 2.8.
Above technical scheme is further improved：Increase bonnet after described after disk, described after cover and be provided with
Oil inlet and outlet and two oil throughs are linked up, described after form check valve, institute every two apertures of disk with the steel ball of setting in bonnet
State check valve to link up with oil inlet and outlet respectively.
Compared with the axle distributing cycloid motor of prior art, the such scheme of the present invention is well and small drive mechanism collection
Become, the mechanism making is very tight, core part turns the processing technology dress turning stator pair that the design of stator second parameter borrows existing 6/7 tooth
Standby, lift reliability, reduce manufacturing cost, improve efficiency.
Brief description
Fig. 1 is the structural representation of one embodiment of the invention one.
The each part of in figure and label corresponding relation are：Key 1, output shaft 2, dust ring 3, hole back-up ring 4, back-up ring 5, axle envelope 6,
Back-up ring 7, needle bearing 8, body shell 9, universal driving shaft 10, O-ring 11, O-ring 12, front every disk 13, rotor 14, stator 15, after every disk
16, pad 17, screw 18.
Fig. 2 is the schematic diagram turning stator pair of Fig. 1 embodiment one.
Fig. 3 is the right view structural representation of Fig. 1 embodiment one.
Fig. 4 is the structural representation of embodiment two.
The each part of in figure and label corresponding relation are：Key 1 ', output shaft 2 ', dust ring 3 ', hole back-up ring 4 ', back-up ring 5 ',
Axle envelope 6 ', back-up ring 7 ', needle bearing 8 ', body shell 9 ', universal driving shaft 10 ', O-ring 11 ', front every disk 12 ', rotor 13 ', stator 14 ',
Afterwards every disk 15 ', steel ball 16 ', bonnet 17 ', pad 18 ', screw 19 '.
Fig. 5 is the right view structural representation of Fig. 4 embodiment two.
Specific embodiment
Embodiment one
Below embodiments of the invention are elaborated, the present embodiment premised on technical solution of the present invention under implemented,
Give detailed embodiment and specific operation process, but protection scope of the present invention is not limited to following embodiments.
A kind of present invention superminiature cycloid hydraulic motor structure is shown in Fig. 1, and motor is that the tooth difference based on 4/5 tooth is all-in-one-piece
Turn the secondary technical scheme of stator, 4/5 tooth turn stator secondary as shown in Fig. 2 motor includes having including body shell 9 and output shaft 2, institute
State the flow passage between body shell hole and the output shaft diameter of axle with mutual flow, the internal spline of output shaft 2 pass through universal driving shaft 10 with
Rotor 14 internal spline turning in stator pair is connected, and the described stator pair that turns is linked up by the front duct every disk 13 and body shell 9, described turn
The secondary stator 15 of stator with after be connected every disk 16, described after have every disk 16 and turn two that the secondary high-low pressure chamber of stator is linked up respectively
Oil through, as shown in figure 3, described two oil through is linked up with the oil inlet and outlet of hydraulic system respectively, described after in the middle of disk 16
There is two two apertures linked up with rotor 14 internal spline cavity, the direct oil return box of Leakage Energy of described two apertures, pass through
Screw 18 by body shell 9, front every disk 13, stator 15 and after be fixed with one every disk 16.
It is provided with the seal groove of mounting O-shaped rings 11, described motor is arranged in driving means on described body shell 9 is cylindrical,
Driving means are tubular structure, and cylindrical hole is coordinated with motor Φ 45 periphery gap, carries out cylindrical circumference face by 2 O-ring 11
Sealing, tubular bore end be with hydraulic system oil inlet and outlet link up enter fuel-displaced valve block, valve block hole pass through sealing ring with after
Be connected every two oil throughs of disk 16, be connected by 4 screws of body shell 9 installed surface and driving means, and install positioning then with
On the basis of the periphery of body shell 9.
After described every 16 two apertures of disk be motor leakage oil hole, enter driving means in, close by O-ring 11
Seal, and enter the aperture of valve block and return to fuel tank.
As the core precision component of cycloid hydraulic motor, the pin tooth radius of stator is the pass as a plunge grinding
Key, it is desirable to have the close lathe of smart inner hole grinding, emery wheel, emery wheel etc., and technological equipment customized and instrument, price is high, due to
Applicant has very ripe cycloid and turns stator technology, 6/7 tooth as described by document notification number CN 101709729B whole
Body formula turns the secondary parameter of stator, and this parameter is widely used in all-hydraulic steering gear, cycloid hydraulic motor and its impeller pump, the present invention
Superminiature cycloid hydraulic motor turns stator pair using 4/5 tooth monoblock type of compact conformation, and described stator 15 pin tooth radius Rrp adopts
With the identical pin tooth radius of 6/7 turn of stator, it is beneficial to and is processed using existing Process ba- sis, described pin tooth radius Rrp
For 11.1mm, can be with reduces cost, improve production efficiency.And the distribution radius of circle of pin tooth can enter according to profile Φ 45 of stator 15
The suitable adjustment of row, to adapt to the requirement of motor integral sealing.
The eccentric throw that described 4/5 tooth monoblock type turns stator pair is less, and eccentric throw is set to 2.2 to 2.8 and is advisable, and most preferably sets
It is set to 2.65.
Matched formation motor flow valve system with the diameter of axle of output shaft 2 in the hole of described body shell 9, and driven motor is continuous
Motion, is provided with hole back-up ring 4 in the duct of body shell 9, hole back-up ring 4 carries out spacing to the axial direction of output shaft 2, and back-up ring 5 is arranged
Between axle envelope 6 and hole are with back-up ring 4, hole back-up ring 4 defines the play in 5 one directions of back-up ring, and axle envelope 6 and output shaft 2
It is mounted with back-up ring 7 and needle bearing 8, so that the output shaft 2 of rotary motion bears appropriate axial force, axle between the rank shaft shoulder
Envelope 6 has steel skeleton and supports, and to realize every disk 13 before the spacing dependence of the other direction of output shaft.
Motor is then positioned by the periphery of the appropriate length of body shell 9 with the fixation of device, and body shell 9 front end face is arranged
4 screw holes fastened.
Embodiment two
The ultra micro axle flow type cycloid hydraulic motor basic structure of the present embodiment is as shown in figure 4, its basic structure and embodiment one
Identical, main difference is that：Bonnet 17 ' is increased after disk 15 ', bonnet 17 ' is provided with turnover after therein
Hydraulic fluid port and two oil throughs are linked up, described after unidirectional every two apertures of disk 15 ' and the steel ball 16 ' formation of setting in bonnet 17 '
Valve, described check valve is linked up with oil inlet and outlet respectively, and affiliated oil inlet and outlet is as shown in Figure 5.The hydraulic fluid port A of the present embodiment, hydraulic fluid port B
Can directly be connected with oil pipe.
It was verified that due to above-described embodiment take a series of seem trickle, actually effectively improve corrective measure, because
This by hydraulic motor can adapt to more apply, also improve the utilization ratio of equipment simultaneously, and reduce processing cost.
Its compact conformation, low-profile, part processing, the technique assembled are good, so that the cost performance of traditional product is carried further
High.
Claims (6)
1. a kind of ultra micro axle flow type cycloid hydraulic motor, including having including body shell and output shaft, described body shell hole and output
There is between the axle diameter of axle flow passage of mutual flow, the internal spline of output shaft passes through in universal driving shaft and the rotor turning in stator pair
Spline is connected, described turn stator secondary by the front duct communication every disk and body shell it is characterised in that：The described stator turning stator pair
With after be connected every disk, described after have every disk and turn two oil throughs linking up respectively of stator pair high-low pressure chamber, described after every disk
Centre has two two apertures linked up with rotor internal spline cavity, is provided with O-ring seal groove on described body shell is cylindrical；
Described motor is arranged in driving means, and the oil inlet and outlet of described two oil throughs and hydraulic system is linked up by valve block.
2. a kind of ultra micro axle flow type cycloid hydraulic motor according to claim 1 it is characterised in that：Outside described body shell
Circle is sealed by O-ring and driving means, by the duct of valve block will be described after take back oil every the Leakage Energy of two apertures of disk
Case.
3. a kind of ultra micro axle flow type cycloid hydraulic motor according to claim 2 it is characterised in that：Described turn stator pair
Using the pin tooth radius of 6/7 turn of stator, described pin tooth radius is 11.1mm to the pin tooth radius Rrp of stator.
4. a kind of ultra micro axle flow type cycloid hydraulic motor according to claim 3 it is characterised in that：Described turn stator pair
Eccentric throw be 2.2 to 2.8.
5. a kind of ultra micro axle flow type cycloid hydraulic motor according to claim 4 it is characterised in that：After described every disk it
Increase bonnet afterwards, described after cover and be provided with oil inlet and outlet and link up with two oil throughs, described after every disk two apertures and after
In lid, the steel ball of setting forms check valve, and described check valve is linked up with oil inlet and outlet respectively.
6. a kind of ultra micro axle flow type cycloid hydraulic motor according to claim 4 it is characterised in that：Described turn stator pair
Eccentric throw be 2.65.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535860.4A CN106438189A (en) | 2016-07-09 | 2016-07-09 | Ultrafine cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535860.4A CN106438189A (en) | 2016-07-09 | 2016-07-09 | Ultrafine cycloid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438189A true CN106438189A (en) | 2017-02-22 |
Family
ID=58183566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610535860.4A Pending CN106438189A (en) | 2016-07-09 | 2016-07-09 | Ultrafine cycloid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438189A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083210U (en) * | 1990-11-15 | 1991-08-21 | 中国矿业大学北京研究生部 | Portable hydraulic oil filter |
| US20080003124A1 (en) * | 2004-07-22 | 2008-01-03 | Eisenmann Siegfried A | Hydrostatic Rotary Cylinder Engine |
| CN201079875Y (en) * | 2007-09-07 | 2008-07-02 | 应安义 | Hydraulic tapping machine |
| CN101960089A (en) * | 2007-03-13 | 2011-01-26 | Cor泵和压缩机股份公司 | Pump or motor |
| CN102734268A (en) * | 2012-06-21 | 2012-10-17 | 三一重工股份有限公司 | Engineering machinery, method for preheating oil drainage path of hydraulic motor and hydraulic system |
| CN103291688A (en) * | 2013-06-08 | 2013-09-11 | 浙江大学 | Hydraulic pump motor test bed with energy recovery device and using method thereof |
| CN103727025A (en) * | 2012-10-12 | 2014-04-16 | 怀特驱动产品有限公司 | Gerotor motor balancing plate structure |
| CN105404737A (en) * | 2015-11-17 | 2016-03-16 | 天津百利机械装备研究院有限公司 | MATLAB based cycloid gear parameter optimization method |
| CN205876595U (en) * | 2016-07-09 | 2017-01-11 | 镇江大力液压马达股份有限公司 | Superminiature cycloid hydraulic motor |
-
2016
- 2016-07-09 CN CN201610535860.4A patent/CN106438189A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083210U (en) * | 1990-11-15 | 1991-08-21 | 中国矿业大学北京研究生部 | Portable hydraulic oil filter |
| US20080003124A1 (en) * | 2004-07-22 | 2008-01-03 | Eisenmann Siegfried A | Hydrostatic Rotary Cylinder Engine |
| CN101960089A (en) * | 2007-03-13 | 2011-01-26 | Cor泵和压缩机股份公司 | Pump or motor |
| CN201079875Y (en) * | 2007-09-07 | 2008-07-02 | 应安义 | Hydraulic tapping machine |
| CN102734268A (en) * | 2012-06-21 | 2012-10-17 | 三一重工股份有限公司 | Engineering machinery, method for preheating oil drainage path of hydraulic motor and hydraulic system |
| CN103727025A (en) * | 2012-10-12 | 2014-04-16 | 怀特驱动产品有限公司 | Gerotor motor balancing plate structure |
| CN103291688A (en) * | 2013-06-08 | 2013-09-11 | 浙江大学 | Hydraulic pump motor test bed with energy recovery device and using method thereof |
| CN105404737A (en) * | 2015-11-17 | 2016-03-16 | 天津百利机械装备研究院有限公司 | MATLAB based cycloid gear parameter optimization method |
| CN205876595U (en) * | 2016-07-09 | 2017-01-11 | 镇江大力液压马达股份有限公司 | Superminiature cycloid hydraulic motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018196256A1 (en) | Two-dimensional piston oil transfer pump | |
| CN103732921B (en) | Micropump and supporting member and method of work for micropump | |
| CN202937402U (en) | Radial support shaft valve wagon-flow allocation cycloid hydraulic motor | |
| CN204327396U (en) | Compact axial flow distribution cycloid hydraulic motor with short shell | |
| CN205876595U (en) | Superminiature cycloid hydraulic motor | |
| CN106438189A (en) | Ultrafine cycloid hydraulic motor | |
| CN206571619U (en) | A kind of axle valve flow distribution cycloid hydraulic motor | |
| CN104676079B (en) | A kind of compact valve driving machine structure | |
| CN103759121B (en) | A kind of Rotor-type variable pump | |
| CN106704089A (en) | Flow distribution cycloid hydraulic motor for axial flow valve | |
| CN102691614A (en) | Double-stator swing hydraulic multi-speed motor | |
| CN100455825C (en) | High-speed distributing cycloid hydraulic motor | |
| CN105257969A (en) | Rotor variable pump | |
| CN102797622B (en) | Cycloid hydraulic motor of shaft-valve flow-distribution type | |
| CN207315586U (en) | A kind of two dimension piston oil transfer pump | |
| CN206694182U (en) | A kind of body shell positions radial support axle valve flow distribution cycloid hydraulic motor | |
| CN206111423U (en) | Composite rotors subassembly | |
| CN105604780B (en) | A kind of axle distributing cycloid hydraulic motor is combined oil-through-hole | |
| CN208431159U (en) | Double acting oil pump | |
| CN106523264A (en) | High-speed flow allocation cycloid hydraulic motor | |
| CN206668462U (en) | A kind of big radial load supporting plane distributing cycloid hydraulic motor | |
| CN109458383A (en) | A kind of combined type stepping executing agency of heavy duty | |
| US2694982A (en) | Hydraulic machine | |
| CN104695853A (en) | Motor for screw drill tool and screw drill tool provided with motor | |
| CN110541865B (en) | Directional vane type hydraulic motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20170222 |