CN203962288U - A kind of radial piston hydraulic motor - Google Patents
A kind of radial piston hydraulic motor Download PDFInfo
- Publication number
- CN203962288U CN203962288U CN201420103847.8U CN201420103847U CN203962288U CN 203962288 U CN203962288 U CN 203962288U CN 201420103847 U CN201420103847 U CN 201420103847U CN 203962288 U CN203962288 U CN 203962288U
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- CN
- China
- Prior art keywords
- hydraulic motor
- output shaft
- front bearing
- radial piston
- curved surface
- 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.)
- Expired - Fee Related
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- Hydraulic Motors (AREA)
Abstract
The utility model discloses a kind of radial piston hydraulic motor, it comprises front bearing, output shaft, curved surface, rotor, roller piston, oil distributing member, logical food tray, brake axle, drag housing, brake piston and end cap; Described output shaft is by two tapered roller bearing location and supports in front bearing, and described front bearing output terminal and output shaft cooperation place are provided with oil sealing base; Described output shaft is connected with brake axle by rotor, and described brake axle end drives static friction braking plate; Described sound friction plate matches with drag housing, and described end cap is arranged on the end of piston; Described front bearing and logical food tray cooperation place are provided with curved surface, and described plunger and roller are connected to be arranged in curved surface inwall and ringwise and arrange.A kind of radial piston hydraulic motor of the present utility model, volume is small and exquisite, oil sealing is effective, it is sensitive to brake and adopt the inner involute curve design of curved surface, makes its stable and uniform better.
Description
Technical field
The utility model relates to a kind of oil hydraulic motor, specifically relates to a kind of radial piston hydraulic motor.
Background technique
Oil hydraulic motor is from the viewpoint of transformation of energy, and oil hydraulic pump and oil hydraulic motor are the hydraulic element of reversible working, to any oil hydraulic pump input service liquid, all can make it become oil hydraulic motor operating mode; Otherwise, when the main shaft of oil hydraulic motor drives rotation by moment of face, also can be changed into oil hydraulic pump operating mode.Because they have same basic structure key element--airtight and the volume that can change in the cycle and corresponding oil distribution mechanism.In use, be applicable to, often there is hydraulic system unstable, the phenomenon of often finding oil hydraulic motor leakage of oil and oil seal failure in current use occurs, and conventional oil hydraulic motor trajective curve is build-up curve, the meeting of passing through in the time of the transition of accelerating sections and braking section produces certain impact to the flow pulse rate of oil hydraulic motor.
Model utility content
(1) technical problem that will solve
The deficiency existing for prior art, the utility model provides that a kind of volume is small and exquisite, oil sealing is effective, it is sensitive to brake and adopts the inner involute curve design of curved surface to solve and pass through the radial piston hydraulic motor of meeting to the flow pulse rate of oil hydraulic motor in the time of the transition of accelerating sections and braking section.
(2) technological scheme
For achieving the above object, the utility model provides a kind of radial piston hydraulic motor, and it comprises front bearing, output shaft, curved surface, rotor, roller piston, oil distributing member, logical food tray, brake axle, drag housing, brake piston and end cap; Described output shaft is by two tapered roller bearing location and supports in front bearing, and described front bearing output terminal and output shaft cooperation place are provided with oil sealing base; Described output shaft is connected with brake axle by rotor, and described brake axle end drives static friction braking plate; Described sound friction plate matches with drag housing, and described end cap is arranged on the end of piston; Described front bearing and logical food tray cooperation place are provided with curved surface, and described plunger and roller are connected to be arranged in curved surface inwall and ringwise and arrange.
Further, described radial piston hydraulic motor also comprises rotating seal ring; Described rotating seal ring is arranged on the cooperation place of output shaft and front bearing inwall; On front bearing and logical food tray end face, be all provided with the seal groove of arrangement of curves, carry out plane sealing.
Further, described radial piston hydraulic motor also comprises drag housing and butterfly spring; Described drag housing is arranged on the outside of brake axle and sound friction plate and surrounds ringwise, and the leakage oil of motor can pass through brake axle pod apertures, and sound friction plate is carried out to Cooling and Lubricator; Described belleville spring is arranged on the cooperation place of piston and end cap, the leakage oil of motor can pass through piston pod apertures, belleville spring is also played to cooling action, solved moving around of piston simultaneously and in the piston cavity that causes, form vacuum and the braking that causes delays and chamber internal cause is leaked long-pending oily dieback phenomenon.
Further, described radial piston hydraulic motor also comprises oil distributing member and helical spring; Described oil distributing member and helical spring be separately positioned on logical food tray and rotor cooperation place, to wearing and tearing and compensate because joining the motion of oily plane.
(3) beneficial effect
The beneficial effects of the utility model: a kind of radial piston hydraulic motor of the present utility model, volume is small and exquisite, oil sealing is effective, it is sensitive to brake and adopt the inner involute curve design of curved surface can solve passing through in the time of the transition of accelerating sections and braking section understands the flow pulse rate to oil hydraulic motor, makes its stable and uniform better.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of radial piston hydraulic motor of the present utility model;
Fig. 2 is the overall structure schematic diagram of a kind of radial piston hydraulic motor of the present utility model;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 is a kind of radial piston hydraulic motor internal structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As Figure 1-4, a kind of radial piston hydraulic motor, it comprises front bearing 3, output shaft 1, rotor 7, logical food tray 8, brake axle 13, end cap 16, curved surface 4, plunger 6 and roller 5; Described output shaft 1 is by bearing 18 location and support in front bearing 3, and the left opening of described front bearing 3 and output shaft 1 cooperation place are provided with oil sealing base 2; On described oil sealing base 2, being provided with O type circle is sealed, described output shaft 1 is connected with logical food tray 8 and with brake axle 13 through rotor 7, sound friction plate 12 on described brake axle 13, described sound friction plate 12 is circular layout on brake axle 13, is also provided with drag housing 11 and is circular layout and is protected above it; Described piston 14 is arranged on the end of brake axle 13 and sound friction plate 12, and end and its cooperation place that described end cap 16 is arranged on piston 14 are provided with butterfly spring 15; Described front bearing 3 is provided with curved surface 4 with logical food tray 8 cooperation places, and described curved surface 4 coordinates with rotor 7 and forms a cavity, and this cavity is used for placing plunger 6 and roller 5, and described plunger 6 and roller 5 are connected and arrange ringwise.
Above-mentioned a kind of radial piston hydraulic motor, described radial piston hydraulic motor also comprises rotating seal ring 17; Described rotating seal ring 17 is arranged on the cooperation place of output shaft 1 and front bearing 3 inwalls, i.e. the neutral position of two bearings 18, and described bearing 18 is for tapered roller bearing and be asymmetric setting.
Above-mentioned a kind of radial piston hydraulic motor, described radial piston hydraulic motor also comprises oil distributing member 9 and helical spring 10; Described oil distributing member 9 and helical spring 10 be separately positioned on logical food tray 8 and rotor 7 cooperation place.
A kind of radial piston hydraulic motor of the present utility model, volume is small and exquisite, noise is little, oil sealing is effective and adopt the inner involute curve design of curved surface can effectively solve passing through in the time of the transition of accelerating sections and braking section understands the flow pulse rate to oil hydraulic motor, makes its stable and uniform better.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and decoration, these improvement and decoration also should be considered as protection domain of the present utility model.
Claims (4)
1. a radial piston hydraulic motor, is characterized in that: it comprises front bearing, output shaft, curved surface, rotor, roller piston, oil distributing member, logical food tray, brake axle, drag housing, brake piston and end cap; Described output shaft is by two tapered roller bearing location and supports in front bearing, and described front bearing output terminal and output shaft cooperation place are provided with oil sealing base; Described output shaft is connected with brake axle by rotor, and described brake axle end drives static friction braking plate; Described sound friction plate matches with drag housing, and described end cap is arranged on the end of piston; Described front bearing and logical food tray cooperation place are provided with curved surface, and described plunger and roller are connected to be arranged in curved surface inwall and ringwise and arrange.
2. radial piston hydraulic motor according to claim 1, is characterized in that: described radial piston hydraulic motor also comprises rotating seal ring; Described rotating seal ring is arranged on the cooperation place of output shaft and front bearing inwall; And on front bearing and logical food tray end face, be all provided with the seal groove of curved layout, carry out plane sealing.
3. radial piston hydraulic motor according to claim 1, is characterized in that: described radial piston hydraulic motor also comprises drag housing and belleville spring, and brake axle and piston are with pod apertures; Described drag housing is arranged on the outside of brake axle and sound friction plate and surrounds ringwise; Described belleville spring is arranged on the cooperation place of piston and end cap.
4. radial piston hydraulic motor according to claim 1, is characterized in that: described radial piston hydraulic motor also comprises the helical spring of oil distributing member and redeeming; Described oil distributing member and helical spring be separately positioned on logical food tray and rotor cooperation place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103847.8U CN203962288U (en) | 2014-03-07 | 2014-03-07 | A kind of radial piston hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103847.8U CN203962288U (en) | 2014-03-07 | 2014-03-07 | A kind of radial piston hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962288U true CN203962288U (en) | 2014-11-26 |
Family
ID=51922883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420103847.8U Expired - Fee Related CN203962288U (en) | 2014-03-07 | 2014-03-07 | A kind of radial piston hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506273A (en) * | 2018-06-13 | 2018-09-07 | 山东大学 | A kind of commutation type hydraulic motor |
-
2014
- 2014-03-07 CN CN201420103847.8U patent/CN203962288U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506273A (en) * | 2018-06-13 | 2018-09-07 | 山东大学 | A kind of commutation type hydraulic motor |
| CN108506273B (en) * | 2018-06-13 | 2024-01-19 | 山东大学 | Reversing hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20160307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |