CN204163925U - A kind of cycloid hydraulic motor oil through - Google Patents
A kind of cycloid hydraulic motor oil through Download PDFInfo
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- CN204163925U CN204163925U CN201420598555.6U CN201420598555U CN204163925U CN 204163925 U CN204163925 U CN 204163925U CN 201420598555 U CN201420598555 U CN 201420598555U CN 204163925 U CN204163925 U CN 204163925U
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Abstract
The utility model relates to a kind of cycloid hydraulic motor oil through, belongs to hydraulic transmission technology field.The compound oil through on dish disc with the oil passage of four arcs composition of the utility model axle distributing cycloid hydraulic motor, with the axle distributing cycloid motor of prior art every coiling structure compared with manufacturing process, the logical pasta increased after above-mentioned modified node method of the present utility model every dish amasss, and the gap at the flow-distributing valve engagement axis hole place of coaxial distributing construction, reduce possible leakage, reduce the pressure loss, improve the efficiency of product.
Description
Technical field
The utility model relates to a kind of every disk hole, and especially a kind of cycloid hydraulic motor, every dish oil through, also relates to its processing method simultaneously, belongs to hydraulic transmission technology field.
Background technique
Cycloid hydraulic motor is conventional fluid pressure drive device, is also to realize the conventional hydraulic pressure execution device that hydraulic energy converts function to.Cycloid hydraulic motor is a kind of low-speed big torque motor, has the advantages such as volume is little, specific power density is large, efficiency is high, speed range is wide, is thus widely applied.
The flow-distribution mechanism of axle distributing cycloid hydraulic motor is positioned at the radially direct varying number flow duct of the pintle of the output shaft cooperatively interacted and the assignment hole of body shell, during motor operations, flow-distribution mechanism makes liquid entering hole engage chamber with the expansion of cycloidal pin wheel set to be communicated with, and the contraction chamber of cycloidal pin wheel set is communicated with refluxing opening.As a result, after pressured fluid enters body shell or bonnet from liquid entering hole, enter the expansion engagement chamber that cycloidal pinion engaged pair is formed, its volume is constantly expanded, the contraction that cycloidal pinion engaged pair is formed simultaneously is engaged liquid in chamber and is then refluxed from refluxing opening; In the process, the rotor of cycloidal pinion engaged pair is expanded engagement chamber and shrinks the pressure difference engaging chamber and orders about rotation, and this is rotated through couple axle and be delivered to output shaft output, thus realizes the conversion of hydraulic energy to mechanical energy.Meanwhile, flow-distribution mechanism (axle valve) is also by couple axle driven rotary, and the continuous switching connected state gone round and begun again, makes transfer process be continued.Like this, motor just can continuous print output torque.
According to the applicant understood, the flow-distribution mechanism of existing axle distributing cycloid hydraulic motor and turning between stator pair by linking up every coiling, oil through every dish is connected with the fluid through hole of flow-distribution mechanism, for the waist shaped hole that concentric circle holes or concentric semicircles hole and link bolt hole are linked up, this class formation is due to the position limitation of the fluid through hole of flow-distribution mechanism, the gap of the assignment hole of itself and flow-distribution mechanism is less, cause the assignment hole gap every dish oil through and flow-distribution mechanism little, be unfavorable for preventing fluid seepage, and cause hydraulic damping owing to limiting every the oil through of dish.
Summary of the invention
The utility model object is: for above prior art Problems existing, a kind of cycloid hydraulic motor oil through is proposed, compound oil through every dish increases and an assignment hole gap, improves its processing technology, improves the overall performance every dish manufacturing efficiency and product.
In order to achieve the above object, claimant is by the analysis of Integral Structure to axle distributing cycloid hydraulic motor, especially flow-distribution mechanism, turn stator movement pair and study every the position relationship coiling oil through, find out the weak link of existing structure, applicating new process new material, under the prerequisite keeping existing overall motor boundary dimension constant, proposing following the technical solution of the utility model is: the duct on dish disc with 2 round different annular spread that distribute of axle distributing cycloid hydraulic motor, outer shroud duct is bolt connecting passage, inner ring duct is the oil through of motor oil passage, its improvements are, a kind of cycloid hydraulic motor oil through, described oil through is being made up of four arcs on dish, described circular arc forms by with two isocentric circular arc that are the center of circle every disk center and the symmetrical two ends circular arc of circular hole that intersects with it, described oil through one end is communicated with the oil through of flow system, the other end with turn stator pair engage cavity connects.
The oil through of the described flow system that covers completely every dish oil through, described is suitable with bore of stator maximum position every dish oil through.
Above technological scheme is further improved: described every dish oil through with disposable by sheet stamping forming every dish.
Above technological scheme is further improved: described every dish oil through with being shaped by powder metallurgical technique every dish is disposable.
With the axle distributing cycloid motor of prior art every coiling structure compared with manufacturing process, the logical pasta increased after above-mentioned modified node method of the present utility model every dish amasss, and the gap at the flow-distributing valve engagement axis hole place of coaxial distributing construction, reduce possible leakage, reduce the pressure loss, improve the efficiency of product, improve original mechanical processing technique, especially means of a powder metallurgy technique, raises the efficiency, saves material, thus provide cost savings.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the schematic diagram every dish of axle distributing cycloid motor prior art.
Fig. 2 is the structural representation of the utility model embodiment.
Output shaft 1 in figure, key 2, dust ring 3, shaft seal 4, protecgulum 5, valve body 6, O type circle 7, valve ball 8, body shell 9, oil port cover 10, O type circle 11, every dish 12, rotor 13, stator 14, bonnet 15, plug screw 16, pad 17, steel plate washer 18, bolt 19, pin tooth 20, couple axle 21, bearing 22, O type circle 23, screw 24, end ring 25.
Fig. 3 is the end-face structure schematic diagram of Fig. 2 embodiment middle separate disk 12.
Fig. 4 is the structural representation of Fig. 2 embodiment transfer stator pair.
Stator 1-1 in figure, rotor 1-2, pin tooth 1-3.
Fig. 5 is the another kind of structural representation of Fig. 2 embodiment transfer stator pair.
Stator 2-1 in figure, rotor 2-2.
embodiment one
The basic structure of the axle distributing cycloid hydraulic motor of the present embodiment as shown in Figure 2, mainly comprise output shaft 1, protecgulum 5, body shell 9, couple axle 21, every dish 12, turn stator pinwheel pair 13,14 and 20, bonnet 15 etc., wherein cycloidal pinion engaged pair is formed by rotor, stator and pin tooth or is made up of rotor and unitary stator, stator 14 be jointly fixed on body shell 9 by bolt 19 every dish 12 and bonnet 15, thus formed seven only in consubstantiality shell 9 flow duct, the cavity that communicates one by one every the high low pressure oil through of dish 12.
Every the structural representation of dish 12 for shown in Fig. 3, its disc has the duct of 2 round different annular spread that distribute, outer shroud duct is bolt connecting passage, inner ring duct is motor oil passage, as the oil through of the cycloid hydraulic motor oil through on dish 12, described oil through is being made up of four arcs on dish 12, described circular arc forms by with two isocentric circular arc that are the center of circle every disk center and the symmetrical two ends circular arc of circular hole that intersects with it, the oil through that described oil through one end communicates with distributing construction on the body shell 9 of flow system is communicated with, the other end with turn stator pair engage cavity connects, described four arcs forms an overall compound oil through.
The oil through road of the described axle Flat valve system formed with the assignment hole on body shell 9 and pintle on output shaft 1 every the compound oil through of dish 12 is connected, and the described compound oil through every dish 12 covers the oil through of axle Flat valve system completely.
The described large concentric arc line every dish 12 compound oil through is positioned at bore of stator maximum position, increases as far as possible and amasss with the logical pasta turning stator engagement pair cavity.
The described assignment hole on the little concentric arc line of dish 12 compound oil through and the body shell 9 of axle Flat valve system keeps seal clearance, ensures that high-pressure leakage reduces minimum zone, and the seal clearance of its best ensures between 2.5mm to 5mm.
The described processing technology every dish 12 compound oil through adopts drawing, every dish oil through with every checking and regulating body disposable by sheet stamping forming.
In order to reduce costs further, raise the efficiency, described adopts powder metallurgical technique to be shaped every dish 12 compound oil through in company with every dish 12 entirety, and shaping after-baking, improves hardness, carry out Double face grinding and form finished product after heat treatment.
Traditional axle flow motor every dish as shown in Figure 1, the oil through in its inner ring duct is the reason of circular port, compact structure, not only can not ensure larger seal clearance but also ensure that larger logical pasta amasss, and traditional processing adopts drilling machining, efficiency is low, and cost is high.
Fig. 4 be the axle distributing cycloid hydraulic motor of the present embodiment as the basic structure turning stator engagement pair in Fig. 2, in movement process, stator 1-1, rotor 1-2, pin tooth 1-3 form different engagement chambeies.
Fig. 5 is the another kind of basic structure that axle distributing cycloid hydraulic motor turns stator engagement pair, stator 2-1 in movement process, rotor 2-2 form different engagement chambeies, because its structure is compacter, its compound flow oil through every dish is different from the distributing position of Fig. 3, is not staggered with bolt connecting passage.
In addition to the implementation, the utility model can also have other mode of executions.Such as, cycloid turns stator pair for integrated type not with independent pin tooth and turns stator pair; The diameter of axle of different bearings is adopted to adapt to rotary shaft sealing of the different diameters of axle etc.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. a cycloid hydraulic motor oil through, the duct on dish disc with 2 round different annular spread that distribute of axle distributing cycloid hydraulic motor, outer shroud duct is bolt connecting passage, inner ring duct is the oil through of motor oil passage, it is characterized in that: described oil through is being made up of four arcs on dish, described circular arc forms by with two isocentric circular arc that are the center of circle every disk center and the symmetrical two ends circular arc of circular hole that intersects with it, described oil through one end is communicated with the oil through of flow system, the other end with turn stator pair engage cavity connects.
2. a kind of cycloid hydraulic motor oil through according to claim 1, is characterized in that: described four arcs forms an overall compound oil through.
3. a kind of cycloid hydraulic motor oil through according to claim 2, is characterized in that: the oil through of the described flow system that covers completely every dish compound oil through.
4. a kind of cycloid hydraulic motor oil through according to claim 2, it is characterized in that: the described large concentric arc line every dish compound oil through is positioned at bore of stator maximum position, the described assignment hole on the little concentric arc line of dish compound oil through and the body shell of axle Flat valve system keeps seal clearance.
5. a kind of cycloid hydraulic motor oil through according to claim 4, is characterized in that: the described assignment hole on the little concentric arc line of dish compound oil through and the body shell of axle Flat valve system keeps seal clearance to ensure between 2.5mm to 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420598555.6U CN204163925U (en) | 2014-10-16 | 2014-10-16 | A kind of cycloid hydraulic motor oil through |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420598555.6U CN204163925U (en) | 2014-10-16 | 2014-10-16 | A kind of cycloid hydraulic motor oil through |
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| Publication Number | Publication Date |
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| CN204163925U true CN204163925U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420598555.6U Active CN204163925U (en) | 2014-10-16 | 2014-10-16 | A kind of cycloid hydraulic motor oil through |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314745A (en) * | 2014-10-16 | 2015-01-28 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor oil hole |
-
2014
- 2014-10-16 CN CN201420598555.6U patent/CN204163925U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314745A (en) * | 2014-10-16 | 2015-01-28 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor oil hole |
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