CN206458559U - A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum - Google Patents
A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum Download PDFInfo
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- CN206458559U CN206458559U CN201720013275.8U CN201720013275U CN206458559U CN 206458559 U CN206458559 U CN 206458559U CN 201720013275 U CN201720013275 U CN 201720013275U CN 206458559 U CN206458559 U CN 206458559U
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- body shell
- protecgulum
- hydraulic motor
- output shaft
- axle
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Abstract
The utility model is related to a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum, belongs to hydraulic transmission technology field.The motor has the body shell inner hole surface and the output shaft diameter of axle in mounting flange face at a fully engaged, body shell is provided with installation positioning spigot disc, protecgulum is provided with seam, protecgulum periphery is radially spacing with body shell mounting hole, the output shaft diameter of axle is handled using coating process, very good processing technology, but eliminate the deep blind hole processing of monoblock type body shell.After the utility model, parts machining process is good, and assembly process process is good, and maintenance process is good, and reliability is high, and compact conformation, improves the cost performance and applying working condition adaptability of product.
Description
Technical field
The utility model is related to a kind of realizes the cycloid liquid that hydraulic energy is changed to mechanical energy by cycloidal-pin wheel group Meshing Pair
Pressure motor, 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 wide range of speeds 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 preceding（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 enters after body shell or bonnet from inlet, and chamber is engaged in the extension into cycloidal pinion engaged pair formation, makes its volume continuous
Expand, while liquid then flows back from refluxing opening in the contraction engagement chamber of cycloidal pinion engaged pair formation；In the process, cycloidal pin
The rotor of wheel Meshing Pair is expanded engagement chamber drives rotation with the pressure differential that chamber is engaged in contraction, and this rotation is passed through into universal driving shaft biography
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 revolved
Turn, the continuous switching connected state gone round and begun again enables transfer 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 typical U.S. EATON H series is had using split type protecgulum installs seam and flange face,
Denmark DANFOSS OMP series 8（Or OMR series 6）Had using monoblock type body shell and seam and flange face, applicant are installed
The BMP series of company（Or BMR）Using split type protecgulum there is installation seam and body shell to have flange face, 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 requires that high and axle envelope consumable accessory is changed
It is difficult, BMP series processing technologies are good but protecgulum installation accuracy requires high and motor there may be vibration risk.
The content of the invention
The technical problems to be solved in the utility model is：By the way that there is SAE A types to prior art cycloid hydraulic motor
The research of the integral structure layout of the similar sizes seam motors of Φ 82.55 of standard, will especially be installed before seam position has
The axle distributing cycloid hydraulic motor of lid structure, on the premise of existing installation dimension is kept, proposes a kind of processability, can assemble
Property, maintenanceability is all good and the high overall reliable axle distributing cycloid with front-cover structure compact conformation of seam location and installation precision
Hydraulic motor, meets the market demands of high request.
The purpose of this utility model is：The respective deficiency existed for above-mentioned prior art, before proposing that one kind has
The body shell locating shaft distributing cycloid hydraulic motor of lid, the assembling and maintenanceability of the improvement increase motor of structure, and pass through
The innovation of protecgulum and its sealing structure, seam positional precision and installation strength of the lifting with protecgulum motor, reduces horse on the whole
Processing technology difficulty up to part etc. so that motor has the advantages that traditional several motors.
In order to reach object above, a kind of body shell locating shaft distributing cycloid hydraulic motor base with protecgulum of the utility model
The technical program is：Including the body shell with mounting flange face, the output axle construction for the torque output being placed in body shell, and
Turn stator pair, runner and bonnet with streaming system and fluid turnover motor inner chamber using what connecting bolt was connected with the body shell；
It is theed improvement is that：The inner hole surface that the body shell matches with output shaft has flow duct, and the output shaft has and body shell
The diameter of axle with chute that flow duct matches, the body shell inner hole surface and the output shaft diameter of axle are at a fully engaged, and the body shell is provided with
Install in positioning spigot disc, the seam of the body shell and be provided with protecgulum, the protecgulum is provided with outside rotary shaft sealing, the protecgulum
Disc and body shell mounting hole radial fit are spacing, and the transverse plane of protecgulum one is contacted with body shell hole platform terrace, and the body shell outer end of hole is set
Put an annular distance, the annular distance with protecgulum plane formation one is towards the cavity of inner chamber and installs sealing ring, O-ring seals are installed and entered
An actor's rendering of an operatic tune body is sealed.
The protecgulum is by plane bearing against on back-up ring, and described back-up ring one end is 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 installation seam precision of motor is high simultaneously after above-mentioned improvement of the present utility model
It is more reliable, the installation accuracy and operational reliability of axle envelope are improved, and each machining element has more preferable processing technology, each zero
The dimensional accuracy of part is easy to process control with positional precision, and overall assembling is good, and complete machine maintainability is good, so as to further increase
The reliability of product is worth with user.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model one embodiment.
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 4 one mounting surfaces intentions of protecgulum in Fig. 1 embodiments.
Fig. 5 is the schematic diagram of protecgulum 4 in Fig. 1 embodiments.
Embodiment
A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum of the present embodiment is constituted referring to Fig. 1 institutes substantially
Show, with reference to above-mentioned Fig. 1 embodiments, the utility model is carried out detailed further below.A kind of body with protecgulum of the present embodiment
There is the Φ 82.55 of SAE A type standards to install seam or seam, base is installed close to size for shell locating shaft distributing cycloid hydraulic motor
This structure includes the body shell 10 with mounting flange face, the structure of output shaft 1 for the torque output being placed in body shell 10, Yi Jiyu
The body shell 10 using connecting bolt 23 be connected turn stator pair 18, the runner with streaming system and fluid turnover motor inner chamber and after
Lid 19, forms different cavitys, and the inner hole surface that the body shell 10 matches with output shaft 1 has flow duct, the output shaft 1
With the diameter of axle with chute matched with the flow duct of body shell 10, the inner hole surface of body shell 10 and the diameter of axle of output shaft 1 are at a fully engaged,
Formed and motor installation positioning spigot disc, motor are provided with the kinematic pair of similar sliding bearing, the mounting surface of the body shell 10
Be fixed on as Hydraulic Elements using on machine, the installing of the body shell 10 be provided with positioning spigot one it is independent before
Lid 4, the protecgulum 4 is provided with rotary shaft sealing 5, and the periphery of protecgulum 4 and the mounting hole of body shell 10 progress radial fit are spacing, preceding
One end of lid 4 is plane, and plane is in contact with the hole platform terrace of body shell 10, and the hole platform terrace outer end of the body shell 10 sets a ring
Hole, the annular distance and protecgulum plane formation one towards inner chamber cavity and sealing ring be installed installed in bore seal, cavity
O-ring seals are sealed.
The protecgulum 4 is by plane bearing 9 against on back-up ring 8, and described one end of back-up ring 8 is against on the shaft shoulder of output shaft 1, separately
One end is resisted against on protecgulum 4, and the axial displacement progress to motor output shaft 1 is spacing, and allows motor output shaft 1 to bear one
The axial force in individual direction facing forward.
The diameter of axle of the output shaft 1 progress carbon-based composite film material coatings of DLC, or the inner hole surface of body shell 10 progress DLC are carbon-based
Composite film material coating, helps to improve the meshing performance of motor friction pair, reduces coefficient of friction, and help to take away fluid
In pollution particle, 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 set 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 set to be arranged at protecgulum in described body shell 10, the position phase with screw 6
When.
As shown in Fig. 2 the described stator pair 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 coupled part being adapted to.
Fig. 4 is 4 one mounting surfaces intentions of protecgulum in Fig. 1 embodiments, it can be seen that the positioning that protecgulum 4 is nested in body shell 10 stops
In mouth disc, as shown in figure 5, the socket cap mounting hole of the screw 6 of protecgulum 4 is the semicircular opening structure of milling, the cylinder of screw 6
Head is mounted on protecgulum completely, and the socket cap mounting 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 of motor positioning spigot is reliable.
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 as act on, and in body shell 10
The through-hole structure of hole face, with very good processing technology, but eliminates the deep blind hole processing of monoblock type body shell, this practicality is new
Type product has lot of superiority, and parts machining process precision is easily controllable, and assembly process process is good, and maintenance process is good, reliably
Property high, and compact conformation, so as to improve the cost performance and applying working condition adaptability of product.
In addition to the implementation, the utility model can also have other embodiment.For example, being become using different front-cover structures
Shape etc..All use equivalent substitutions or the technical scheme of equivalent transformation formation, all fall within the protection domain of the utility model requirement.
Claims (5)
1. a kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum, main to include the body shell with mounting flange face,
The output axle construction for 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, which is provided with, installs 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 and body shell mounting hole radial fit are spacing, the transverse plane of protecgulum one
Contacted with body shell hole platform terrace, the body shell outer end of hole sets 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 is by plane bearing against on back-up ring, and described back-up ring one end is 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 mounting hole of the screw of the protecgulum is the semicircular opening of milling
Structure, the socket cap of the screw is mounted on protecgulum completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013275.8U CN206458559U (en) | 2017-01-06 | 2017-01-06 | A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013275.8U CN206458559U (en) | 2017-01-06 | 2017-01-06 | A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum |
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| CN206458559U true CN206458559U (en) | 2017-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720013275.8U Active CN206458559U (en) | 2017-01-06 | 2017-01-06 | A kind of body shell locating shaft distributing cycloid hydraulic motor with protecgulum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-01-06 CN CN201720013275.8U patent/CN206458559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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