CN203604111U - Distributing cycloid hydraulic motor of smooth shaft valve - Google Patents
Distributing cycloid hydraulic motor of smooth shaft valve Download PDFInfo
- Publication number
- CN203604111U CN203604111U CN201320832079.5U CN201320832079U CN203604111U CN 203604111 U CN203604111 U CN 203604111U CN 201320832079 U CN201320832079 U CN 201320832079U CN 203604111 U CN203604111 U CN 203604111U
- Authority
- CN
- China
- Prior art keywords
- hole
- body shell
- radially
- hydraulic motor
- cycloid hydraulic
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model relates to a distributing cycloid hydraulic motor of a smooth shaft valve, and belongs to the technical field of mechanical transmission. The distributing cycloid hydraulic motor is characterized in that a body shell hole of the motor is matched with a large diameter section of an output shaft in an assembling manner, radial distributing holes of the body shell hole are uniformly formed in the periphery of the body shell hole, the quantity of the radial distributing holes and the quantity of stators of a rotor stator pair are same, and the radial distributing holes are of waist-shaped hole structures; a center line of a waist-shaped hole and a bus of the body shell hole are staggered into an angle on an axis direction and are not parallel. The distributing cycloid hydraulic motor provided by the utility model has the advantages that a condition that the distributing holes which are radially formed in the body shell hole and a sealing belt of a radial distributing groove arranged on the output shaft are fixed is avoided, the communication and closing of the relative movement of the distributing holes and the distributing groove have the graduality, the stability of the operation of the motor is guaranteed, and the noise of the motor is reduced.
Description
Technical field
The utility model relates to a kind of axle valve distributing cycloid hydraulic motor, and especially a kind of axle valve distributing cycloid hydraulic motor of steady distributing construction, belongs to mechanical transmissioning technology field.
Background technique
Cycloid hydraulic motor is a kind of low-speed big torque motor, there is the advantages such as volume is little, specific power density is large, efficiency is high, speed range is wide, thereby be widely applied, especially axle flow oil hydraulic motor, due to simple in structure, cost is low, is extremely suitable for that pressure rating is lower, cost performance requires high occasion.In order to guarantee the lubricated of axle flow-distributing valve and to form desirable flow oil film and sealing reliably, its output shaft is provided with circumferential annular oil groove, annular oil groove communicates respectively with the radially flow groove on output shaft, body shell hole on body shell has radially-arranged radially assignment hole, but this radially-arranged assignment hole structure is fixed, be unfavorable for the stationarity of flow and the noise of motor, file CN 2760279Y has described a kind of low noise axial distribution cycloidal hydraulic motor, its effect does not reach the structure of market demand, only part radially assignment hole add macrostructure, still do not reach the effect of steady flow.
Summary of the invention
The purpose of this utility model is: the problem existing for above-mentioned prior art, by architecture advances, a kind of stationarity that is conducive to guarantee flow is proposed, and improve the operating mode accommodation of product and reduce the noise of motor.
In order to achieve the above object, axle valve distributing cycloid hydraulic motor body shell of the present utility model has body shell hole, described body shell hole coordinates with the large footpath section assembling of output shaft, the radially assignment hole in described body shell hole is distributed in body shell hole circle week, its radially the quantity of assignment hole be consistent with the stator quantity that turns stator pair, its improvements are: described radially assignment hole is waist-shaped hole structure, the bus in described waist-shaped hole center line and body shell hole is staggered at an angle at axial direction, and described angle refers to that body shell axially bored line is uneven in the projection at waist-shaped hole place.
The utility model further improves, and described waist-shaped hole center line and body shell centerline hole are offset in the same direction, and described waist-shaped hole center line is 4 ° to 8 ° with the crossing angle of projection of body shell centerline hole.
The utility model further improves, the staggered alternately skew towards two skews towards two directions of described waist-shaped hole center line and body shell centerline hole, and described waist-shaped hole center line is 4 ° to 8 ° with the crossing angle of projection of body shell centerline hole.
Adopt after the utility model, avoid the sealing strip of the radially flow groove on assignment hole and the output shaft of body shell hole radial equipartition to fix, and the relative movement of assignment hole and flow groove is linked up and the emergentness of closing, and employing and shaft axis staggered offset, make link up with close have gradual, be conducive to motor operation stationarity, be conducive to reduce the noise of motor.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the utility model embodiment one structural representation.
Output shaft 1 in figure, key 2, dust ring 3, shaft seal 4, screw 5, protecgulum 6, valve body 7, seal ring 8, valve ball 9, body shell 10, oil port cover 11, O type circle 12, every dish 13, turns stator pair 14, bonnet 15, plug screw 16, rubber cushion 17, steel plate washer 18, bolt 19, couple axle 20, back-up ring 21, O type circle 22, plane bearing 23, front back-up ring 24, motor filler opening A, oil outlet B.
Fig. 2 is the body shell hole structure schematic diagram of body shell 10 in Fig. 1 embodiment, described the radially position relationship of assignment hole and centerline hole.
Fig. 3 is the utility model embodiment two structural representation, and output shaft structural representation in embodiment has been described the radially position relationship of assignment hole and centerline hole.
embodiment one
The steady axle valve distributing cycloid hydraulic motor of the present embodiment as shown in Figure 1, comprise the protecgulum 6 and the body shell 10 that are mutually connected, and one end is by the cycloidal pin wheel set 14 of the stator every dish 13 and body shell 10 are connected, the other end and bonnet 15 are connected and rotor formation, integrated type turns stator pair and is made up of stator and rotor, and edge pillar turns stator pair and is made up of stator, pin tooth and rotor.The extended output shaft 1 in outer end is housed in body shell 10, and the internal spline of this output shaft 1 is in transmission connection by couple axle 20 and the internal spline of rotor.Body shell hole in described cycloid hydraulic motor body shell 10 coordinates with the large footpath section of output shaft 1 is moving, the large footpath section of described output shaft 1 is provided with 2 circumferential road annular oil grooves and axial uniform radially flow groove, described annular oil groove is communicated with respectively at the hydraulic fluid port A on body shell 10 and hydraulic fluid port B, described output shaft 1 annular oil groove communicates respectively with the radially flow groove on output shaft, radially flow groove quantity is 2 times of the rotor number of teeth, half interval radially flow groove communicates with front annular oil groove, second half interval radially flow groove communicates with front annular oil groove, body shell hole on body shell has radially-arranged assignment hole, radially flow groove is positioned at hole and the moving same position coordinating of axle with assignment hole radially, the shaft shoulder of the large footpath section of described output shaft 1 and path section is resisted against the rear back-up ring 22 of plain thrust bearing 23.
Wherein the body shell 10 shown in Fig. 1 as shown in Figure 2, described body shell has body shell hole, described body shell hole coordinates with the large footpath section assembling of output shaft, described body shell hole has the radially assignment hole that is distributed in its circumference, its radially the quantity of assignment hole be identical with the pin number of teeth amount that is installed on stator that turns stator pair, described radially assignment hole is waist-shaped hole structure, the bus in described waist-shaped hole center line and body shell hole is staggered at an angle at axial direction, and described body shell axially bored line is uneven in the projection at waist-shaped hole place.
Described radially assignment hole is that two straight holes form, rather than waist shaped hole structure, the line of centres of described two straight holes and body shell axially bored line its projection at an angle.
The utility model further improves, described radially assignment hole center line is 4 ° to 8 ° with the crossing angle [alpha] of projection of body shell centerline hole, crossing point is positioned at radially assignment hole central position, and described radially assignment hole center line and body shell centerline hole are offset in the same direction.
The utility model further improves, the staggered alternately skew towards two skews towards two directions of described radially assignment hole center line and body shell centerline hole.
embodiment two
The trunnion shaft valve distributing cycloid hydraulic motor basic structure of the present embodiment as shown in Figure 3, its basic structure is identical with embodiment one, main difference is: solve in the scheme of the steady flow of axle valve distributing cycloid hydraulic motor, mainly set about from output shaft, the radially assignment hole in body shell hole keeps prior art state parallel with its axis, radially flow groove on described output shaft is set to embodiment one similar, the bus of described radially flow groove center line and the large footpath of output shaft section is staggered at an angle at axial direction, with output shaft axis be uneven in the projection at flow groove place radially, the crossing point of described angle is positioned at radially flow groove and the radially central position of assignment hole intersection.
Evidence, because above-described embodiment has been taked a series ofly to seem trickle, actually effectively improve corrective measure, realized the assignment hole in body shell hole and the flow groove of output shaft relative movement link up with close gradual, therefore by 3 to 5 decibels of the reducing noises of oil hydraulic motor, the stability of motor is better.And the manufacturability of its processing can meet well on existing numerical control machine tool, thereby the cost performance of traditional product is further enhanced.
Claims (7)
1. a steady axle valve distributing cycloid hydraulic motor, comprise body shell, described body shell has body shell hole, described body shell hole coordinates with the large footpath section assembling of output shaft, the radially assignment hole in described body shell hole is distributed in body shell hole circle week, its radially the quantity of assignment hole be consistent with the stator quantity that turns stator pair, its improvements are: described radially assignment hole is waist-shaped hole structure, the bus in described waist-shaped hole center line and body shell hole is staggered at an angle at axial direction.
2. steady axle valve distributing cycloid hydraulic motor according to claim 1, is characterized in that: described waist-shaped hole center line and body shell centerline hole are offset in the same direction.
3. steady axle valve distributing cycloid hydraulic motor according to claim 1, is characterized in that: the staggered alternately skew towards two skews towards two directions of described waist-shaped hole center line and body shell centerline hole.
4. according to the steady axle valve distributing cycloid hydraulic motor described in claim 2 or 3, it is characterized in that: described waist-shaped hole center line is 4 ° to 8 ° with the crossing angle of projection of body shell centerline hole.
5. steady axle valve distributing cycloid hydraulic motor according to claim 4, is characterized in that: described radially assignment hole is that two straight holes form, the line of centres of described two straight holes and body shell axially bored line its projection at an angle.
6. steady axle valve distributing cycloid hydraulic motor according to claim 5, is characterized in that: the crossing point of described angle is positioned at radially assignment hole central position.
7. steady axle valve distributing cycloid hydraulic motor according to claim 6, it is characterized in that: the crossing point of described angle is positioned at radially flow groove and the radially central position of assignment hole intersection, the bus of described radially flow groove center line and the large footpath of output shaft section is staggered at an angle at axial direction, with output shaft axis be uneven in the projection at flow groove place radially, the radially assignment hole in described body shell hole is parallel with its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832079.5U CN203604111U (en) | 2013-12-17 | 2013-12-17 | Distributing cycloid hydraulic motor of smooth shaft valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832079.5U CN203604111U (en) | 2013-12-17 | 2013-12-17 | Distributing cycloid hydraulic motor of smooth shaft valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604111U true CN203604111U (en) | 2014-05-21 |
Family
ID=50716787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320832079.5U Withdrawn - After Issue CN203604111U (en) | 2013-12-17 | 2013-12-17 | Distributing cycloid hydraulic motor of smooth shaft valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696906A (en) * | 2013-12-17 | 2014-04-02 | 镇江大力液压马达股份有限公司 | Flow-distributing cycloid hydraulic motor of smooth and steady shaft valve |
-
2013
- 2013-12-17 CN CN201320832079.5U patent/CN203604111U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696906A (en) * | 2013-12-17 | 2014-04-02 | 镇江大力液压马达股份有限公司 | Flow-distributing cycloid hydraulic motor of smooth and steady shaft valve |
| CN103696906B (en) * | 2013-12-17 | 2016-05-11 | 镇江大力液压马达股份有限公司 | Steadily axle valve distributing cycloid hydraulic motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203584678U (en) | Shaft valve flow-distributed cycloid hydraulic motor | |
| CN101847917B (en) | Axially-rotating equal-width curve double-stator multi-speed motor | |
| CN202937402U (en) | Radial support shaft valve wagon-flow allocation cycloid hydraulic motor | |
| CN103629042B (en) | Axle valve flow distribution cycloid hydraulic motor | |
| CN204327396U (en) | Compact axial flow distribution cycloid hydraulic motor with short shell | |
| CN203604111U (en) | Distributing cycloid hydraulic motor of smooth shaft valve | |
| CN204371569U (en) | A kind of radial plunger pump | |
| CN103696906B (en) | Steadily axle valve distributing cycloid hydraulic motor | |
| CN102691614B (en) | Double-stator swing hydraulic multi-speed motor | |
| CN102797622B (en) | Cycloid hydraulic motor of shaft-valve flow-distribution type | |
| CN103759121B (en) | A kind of Rotor-type variable pump | |
| CN105673315A (en) | Integral flange axial flow allocation cycloid hydraulic motor | |
| CN102477936A (en) | Triangular-rotor hydraulic motor | |
| CN105604780B (en) | A kind of axle distributing cycloid hydraulic motor is combined oil-through-hole | |
| CN104121331A (en) | Gear transmission device of double-screw impregnator | |
| CN201865709U (en) | Blade type pneumatic motor | |
| CN204226099U (en) | A kind of integral (type) flange axle distributing cycloid hydraulic motor | |
| CN204267212U (en) | A kind of axle distributing cycloid hydraulic motor compound oil through | |
| CN204163925U (en) | A kind of cycloid hydraulic motor oil through | |
| CN203685462U (en) | High-speed flow distribution cycloid hydraulic motor | |
| CN206694182U (en) | A kind of body shell positions radial support axle valve flow distribution cycloid hydraulic motor | |
| CN202125529U (en) | Cross shaft oil seal | |
| CN202768237U (en) | Cycloidal hydraulic motor with valve shaft flow-distribution | |
| CN204004201U (en) | Twin-screw impregnator gear drive | |
| CN203703576U (en) | Rotor type variable pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |