CN106593759A - Body shell positioning axial flow cycloid hydraulic motor with front cover - Google Patents
Body shell positioning axial flow cycloid hydraulic motor with front cover Download PDFInfo
- Publication number
- CN106593759A CN106593759A CN201710009160.6A CN201710009160A CN106593759A CN 106593759 A CN106593759 A CN 106593759A CN 201710009160 A CN201710009160 A CN 201710009160A CN 106593759 A CN106593759 A CN 106593759A
- Authority
- CN
- China
- Prior art keywords
- body shell
- protecgulum
- hydraulic motor
- cycloid hydraulic
- output shaft
- 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
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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 a body shell positioning axial flow cycloid hydraulic motor with a front cover and belongs to the technical field of hydraulic transmission. The body shell positioning axial flow cycloid hydraulic motor is provided with a body shell with a mounting flange face, wherein an inner hole face of the body shell completely meshes with the shaft diameter of an output shaft; the body shell is provided with a mounting positioning spigot circular face; the front cover is arranged in a spigot; the excircle face of the front cover and a mounting hole of the body shell are limited in the radial direction; the shaft diameter of the output shaft is treated by a coating process; the processing manufaturability is very favorable; and deep blind hole processing of the integral body shell is eliminated. After adoption of the body shell positioning axial flow cycloid hydraulic motor, the part processing technique, the assembly manufaturability and the maintenance manufaturability are all excellent, the reliability is high, the structure is compact, and the cost performance and the service condition adaptability of the product are improved.
Description
Technical field
The present invention relates to a kind of realize the cycloid hydraulic pressure horse that hydraulic energy is changed to mechanical energy by cycloidal-pin wheel group Meshing Pair
Reach, especially a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum, belongs to hydraulic transmission technology field.
Background technology
Cycloid hydraulic motor is conventional fluid pressure drive device, is a kind of low-speed big torque motor, with small volume, unit
Power density is big, efficiency high, the range of speeds width the advantages of, be widely applied, and with industrial and agricultural development level is improved should
With will be more extensive.
The basic structure of such device be body shell or after cover and be formed with inlet and refluxing opening, one end is nibbled equipped with cycloidal-pin wheel
Secondary and flow-distribution mechanism is closed, flow-distribution mechanism can be placed on before or after cycloidal pinion engaged pair, typically front（Body shell side）For axle
Flat valve, rear（Bonnet side）For plane flow, the other end is equipped with output shaft.The rotor of cycloidal pinion engaged pair passes through interior flower
Key is engaged with the external gear of universal driving shaft one end, and the other end of universal driving shaft is connected with output shaft transmission.During work, flow-distribution mechanism make into
Liquid mouth engages chamber connection with the extension of cycloidal pin wheel set, and the contraction chamber of cycloidal pin wheel set is connected with refluxing opening.As a result, pressure
Liquid is entered after body shell or bonnet from inlet, into the extension engagement chamber that cycloidal pinion engaged pair is formed so as to which volume is continuous
Expand, while liquid in chamber is engaged in the contraction that cycloidal pinion engaged pair is formed then flowing back from refluxing opening；In the process, cycloidal pin
The rotor of wheel Meshing Pair is expanded the pressure differential for engaging chamber with contraction in engagement chamber and orders about rotation, and this rotation is passed by universal driving shaft
Output shaft output is delivered to, so as to realize conversion of the hydraulic energy to mechanical energy.At the same time, flow-distribution mechanism is also driven by universal driving shaft and is revolved
Turn, the continuous switching connected state for going round and beginning again enables transformation process to continue, motor just can continuous output speed
With moment of torsion.
According to the applicant understood, the compact axle distributing cycloid hydraulic motor application development of existing structure is rapid, and its structure is passed through
Development in nearly 60 years is very classical, and the H series of typical U.S. EATON is had using split type protecgulum installs seam and flange face,
The OMP series 8 of Denmark DANFOSS（Or OMR series 6）Had using monoblock type body shell and seam and flange face, applicant are installed
The BMP of company is serial（Or BMR）Using split type protecgulum there is installation seam to have flange face with body shell, before the fixation of H series
Cover in short motor operation and vibrate or shake big, the monoblock type body shell accuracy of manufacture of OMP series has high demands and the replacing of axle envelope consumable accessory
It is difficult, BMP series processing technologies are good but protecgulum installation accuracy has high demands and motor there may be vibration risk.
The content of the invention
The technical problem to be solved in the present invention is：By to prior art cycloid hydraulic motor with SAE A type standards
The similar sizes seam motors of Φ 82.55 integral structure layout research, seam position will be especially installed there is protecgulum to tie
The axle distributing cycloid hydraulic motor of structure, on the premise of existing installation dimension is kept, propose a kind of processability, assembling capacity, can
The all good reliable axle distributing cycloid hydraulic pressure with front-cover structure compact conformation overall with seam location and installation high precision of maintainability
Motor, meets the market demands of high request.
It is an object of the invention to：For the respective deficiency that above-mentioned prior art is present, propose a kind of with protecgulum
Body shell locating shaft distributing cycloid hydraulic motor, the improvement of structure increases the assembling and maintainability of motor, and by protecgulum
And its innovation of sealing structure, the seam positional precision with protecgulum motor and installation strength are lifted, motor zero is reduced on the whole
Processing technique difficulty of part etc. so that motor has the advantages that traditional several motors.
In order to reach object above, a kind of basic skill of body shell locating shaft distributing cycloid hydraulic motor with protecgulum of the present invention
Art scheme is：Including the body shell with mounting flange face, the output axle construction of the torque output being placed in body shell, and with institute
State body shell and turn stator pair, runner and bonnet with streaming system and fluid turnover motor inner chamber using what connecting bolt was connected；It changes
Entering part is：The inner hole surface that the body shell matches with output shaft has flow duct, and the output shaft has and body shell flow
The diameter of axle with chute that duct matches, the body shell inner hole surface is at a fully engaged with the output shaft diameter of axle, and the body shell is provided with installation
Positioning spigot disc, is provided with protecgulum in the seam of the body shell, the protecgulum is provided with rotary shaft sealing, the protecgulum periphery
Spacing with body shell installing hole radial fit, the transverse plane of protecgulum one is contacted with body shell hole platform terrace, and the body shell outer end of hole arranges one
Annular distance, the annular distance installs O-ring seals and enters an actor's rendering of an operatic tune with protecgulum plane formation one is towards the cavity of inner chamber and installs sealing ring
Body is sealed.
The protecgulum by plane bearing against on back-up ring, described back-up ring one end against on the shaft shoulder of output shaft, the other end
It is resisted against on protecgulum.
Above technical scheme is further improved：The output shaft diameter of axle carries out the carbon-based composite film material coatings of DLC,
Or body shell inner hole surface carries out the carbon-based composite film material coatings of DLC.
Compared with the gerotor motor of prior art, the present invention above-mentioned improvement after motor installation seam high precision and more may be used
Lean on, improve the installation accuracy and operational reliability of axle envelope, and each machining element has more preferable processing technology, each part
Dimensional accuracy is easy to process control with positional precision, and overall assembling is good, and whole machine maintainability is good, so as to further increase product
Reliability and user be worth.
Description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention.
Output shaft 1 in figure, key 2, dust ring 3, protecgulum 4, axle envelope 5, screw 6, O-ring 7, back-up ring 8, plane bearing 9, body shell
10, oil port cover 11, elastomer 12, valve ball 13, valve body 14, sealing ring 15, O-ring 16, every disk 17, turns stator pair 18, bonnet 19,
Plug screw 20, pad 21, steel plate washer 22, connecting bolt 23, universal driving shaft 24.
Fig. 2 is the edge pillar schematic diagram of Fig. 1 embodiment transfer stators pair 18.
Stator 18-1 in figure, rotor 18-2, pin tooth 18-3.
Fig. 3 is the monoblock type schematic diagram of Fig. 1 embodiment transfer stators pair 18.
Stator 18-1 ' in figure, rotor 18-2 '.
Fig. 4 is that 4 one mounting surfaces of protecgulum are intended in Fig. 1 embodiments.
Fig. 5 is the schematic diagram of protecgulum 4 in Fig. 1 embodiments.
Embodiment one
A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum of the present embodiment constitutes shown in Figure 1, knot substantially
Close and state Fig. 1 embodiments, the present invention is carried out detailed further below.A kind of body shell locating shaft with protecgulum of the present embodiment is matched somebody with somebody
There is cycloid hydraulic motor the Φ 82.55 of SAE A type standards to install seam or close size installation seam, and basic structure includes
Body shell 10 with mounting flange face, the structure of output shaft 1 of the torque output being placed in body shell 10, and with the body shell 10
Turn stator pair 18, runner and bonnet 19 with streaming system and fluid turnover motor inner chamber using what connecting bolt 23 was connected, formed
Different cavitys, the inner hole surface that the body shell 10 matches with output shaft 1 has flow duct, and the output shaft 1 has and body
The diameter of axle with chute that the flow duct of shell 10 matches, the inner hole surface of the body shell 10 is at a fully engaged with the diameter of axle of output shaft 1, forms similar
The kinematic pair of sliding bearing, is provided with motor and installs positioning spigot disc at the mounting surface of the body shell 10, motor is used as hydraulic pressure
Element is fixed on using on machine, and installing in positioning spigot for the body shell 10 is provided with an independent protecgulum 4, described
Protecgulum 4 is provided with rotary shaft sealing 5, and the periphery of the protecgulum 4 carries out that radial fit is spacing with the installing hole of body shell 10, and the one of protecgulum 4
Hold as plane, plane contacts with the hole platform terrace of body shell 10, the hole platform terrace outer end of the body shell 10 arranges an annular distance, described
Annular distance and protecgulum plane formed one towards inner chamber cavity and sealing ring be installed carry out that the sealing of O shapes is installed in bore seal, cavity
Circle is sealed.
The protecgulum 4 by plane bearing 9 against on back-up ring 8, the one end of the back-up ring 8 against on the shaft shoulder of output shaft 1, separately
One end is resisted against on protecgulum 4, the axial displacement of motor output shaft 1 is carried out spacing, and allows motor output shaft 1 to bear one
The axial force in individual direction forward.
The diameter of axle of the output shaft 1 carries out the carbon-based composite film material coatings of DLC, or the inner hole surface of body shell 10 to carry out DLC carbon-based
Composite film material coating, contributes to improving the meshing performance of motor friction pair, reduces coefficient of friction, and contributes to taking away fluid
In pollution granule, the life-span of motor is favorably improved on the whole.
The check valve communicated with hydraulic fluid port can be set in described body shell 10, and check valve is by elastomer 12, valve ball 13, valve body
14, sealing ring 15 is collectively constituted, and the valve body 14 is resisted against every one end of disk 17, every disk 17 arrange a passage cause valve body 14 with
Motor inner chamber is linked up, and forms one-way hydraulic oil passage.
The check valve communicated with hydraulic fluid port is arranged in described body shell 10 can be arranged at protecgulum, the position phase with screw 6
When.
As shown in Fig. 2 the described stator secondary 18 that turns turns stator pair for edge pillar, by stator 18-1, rotor 18-2, pin tooth
18-3 is collectively constituted.It is described to turn stator pair 18 and stator pair be turned using monoblock type as shown in Figure 3, by stator 18-1 ', turn
Sub- 18-2 ' compositions, while needing to be adapted to coupled part.
Fig. 4 is that 4 one mounting surfaces of protecgulum are intended in Fig. 1 embodiments, it can be seen that protecgulum 4 is nested in the positioning of body shell 10 to be stopped
In mouth disc, as shown in figure 5, semicircular opening structure of the socket cap installing hole of the screw 6 of protecgulum 4 for milling, the cylinder of screw 6
Head is mounted on completely on protecgulum, and the socket cap installing hole odd number decile of screw 6 is uniform, or is uniformly replaced using even number decile
Change, the ingehious design of protecgulum 4 ensure that the installation reliability of motor positioning spigot.
It was verified that a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum of the present embodiment cleverly will tool
The positioning spigot for having the axle distributing cycloid hydraulic motor of front-cover structure is arranged in body shell, eliminates protecgulum periphery as positioning
The deficiency that high-precision requirement can not be met and brought in seam face, realize with positioning spigot phase same-action, and in body shell 10
The through-hole structure of hole face, with very good processing technology, but the deep blind hole processing of elimination monoblock type body shell, present invention product
Product have lot of superiority, and parts machining process precision is easily controllable, and assembly process process is good, and maintenance process is good, and reliability is high,
And compact conformation, so as to improve the cost performance and applying working condition adaptability of product.
In addition to the implementation, the present invention can also have other embodiment.For example, deformed using different front-cover structures
Deng.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.
Claims (5)
1. a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum, mainly includes the body shell with mounting flange face,
The output axle construction of the torque output being placed in body shell, and with the body shell using connecting bolt be connected turn stator it is secondary,
Runner and bonnet with streaming system and fluid turnover motor inner chamber；It is characterized in that：The endoporus that the body shell matches with output shaft
Face has flow duct, and the output shaft has the diameter of axle with chute matched with body shell flow duct, the body shell inner hole surface
At a fully engaged with the output shaft diameter of axle, the body shell is provided with installation positioning spigot disc, before being provided with the seam of the body shell
Lid, the protecgulum is provided with rotary shaft sealing, and the protecgulum periphery is spacing with body shell installing hole radial fit, the transverse plane of protecgulum one
Contact with body shell hole platform terrace, the body shell outer end of hole arranges an annular distance, the annular distance forms one towards inner chamber with protecgulum plane
Cavity and sealing ring is installed, install O-ring seals carry out cavity sealing.
2. a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum according to claim 1, it is characterised in that：
The protecgulum by plane bearing against on back-up ring, described back-up ring one end against on the shaft shoulder of output shaft, before the other end is resisted against
Cover.
3. a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum according to claim 2, it is characterised in that：
The output shaft diameter of axle carries out the carbon-based composite film material coatings of DLC.
4. a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum according to claim 3, it is characterised in that：
The body shell inner hole surface carries out the carbon-based composite film material coatings of DLC.
5. a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum according to claim 4, it is characterised in that：
The positioning spigot disc of the body shell is nested with protecgulum, and the socket cap installing hole of the screw of the protecgulum is the semicircular opening of milling
Structure, the socket cap of the screw is mounted on completely on protecgulum.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009160.6A CN106593759A (en) | 2017-01-06 | 2017-01-06 | Body shell positioning axial flow cycloid hydraulic motor with front cover |
| PCT/CN2017/115327 WO2018108039A1 (en) | 2016-12-13 | 2017-12-08 | Cycloid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009160.6A CN106593759A (en) | 2017-01-06 | 2017-01-06 | Body shell positioning axial flow cycloid hydraulic motor with front cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106593759A true CN106593759A (en) | 2017-04-26 |
Family
ID=58582828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710009160.6A Pending CN106593759A (en) | 2016-12-13 | 2017-01-06 | Body shell positioning axial flow cycloid hydraulic motor with front cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018108039A1 (en) * | 2016-12-13 | 2018-06-21 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432710A (en) * | 1979-03-20 | 1984-02-21 | Danfoss A/S | Rotary type machine with check valves for relieving internal pressures |
| CN1252852A (en) * | 1997-04-24 | 2000-05-10 | 丹福斯有限公司 | Fluid machine |
| CN102744930A (en) * | 2012-06-26 | 2012-10-24 | 中国科学院宁波材料技术与工程研究所 | Tough lubricating composite film on surface of air conditioning compressor part and its preparation method |
| CN202937402U (en) * | 2012-09-07 | 2013-05-15 | 镇江大力液压马达有限责任公司 | Radial support shaft valve wagon-flow allocation cycloid hydraulic motor |
| CN203584678U (en) * | 2013-11-20 | 2014-05-07 | 镇江大力液压马达股份有限公司 | Shaft valve flow-distributed cycloid hydraulic motor |
| CN204327396U (en) * | 2012-10-28 | 2015-05-13 | 镇江大力液压马达股份有限公司 | Compact axial flow distribution cycloid hydraulic motor with short shell |
| CN105604780A (en) * | 2014-11-20 | 2016-05-25 | 镇江大力液压马达股份有限公司 | Composite oil passing hole of axis flow distribution cycloid hydraulic motor |
| CN206458559U (en) * | 2017-01-06 | 2017-09-01 | 镇江大力液压马达股份有限公司 | A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum |
-
2017
- 2017-01-06 CN CN201710009160.6A patent/CN106593759A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432710A (en) * | 1979-03-20 | 1984-02-21 | Danfoss A/S | Rotary type machine with check valves for relieving internal pressures |
| CN1252852A (en) * | 1997-04-24 | 2000-05-10 | 丹福斯有限公司 | Fluid machine |
| CN102744930A (en) * | 2012-06-26 | 2012-10-24 | 中国科学院宁波材料技术与工程研究所 | Tough lubricating composite film on surface of air conditioning compressor part and its preparation method |
| CN202937402U (en) * | 2012-09-07 | 2013-05-15 | 镇江大力液压马达有限责任公司 | Radial support shaft valve wagon-flow allocation cycloid hydraulic motor |
| CN204327396U (en) * | 2012-10-28 | 2015-05-13 | 镇江大力液压马达股份有限公司 | Compact axial flow distribution cycloid hydraulic motor with short shell |
| CN203584678U (en) * | 2013-11-20 | 2014-05-07 | 镇江大力液压马达股份有限公司 | Shaft valve flow-distributed cycloid hydraulic motor |
| CN105604780A (en) * | 2014-11-20 | 2016-05-25 | 镇江大力液压马达股份有限公司 | Composite oil passing hole of axis flow distribution cycloid hydraulic motor |
| CN206458559U (en) * | 2017-01-06 | 2017-09-01 | 镇江大力液压马达股份有限公司 | A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018108039A1 (en) * | 2016-12-13 | 2018-06-21 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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| RJ01 | Rejection of invention patent application after publication |