CN202732326U - Swash plate plunger type hydraulic transformer controlled by swinging cylinder - Google Patents
Swash plate plunger type hydraulic transformer controlled by swinging cylinder Download PDFInfo
- Publication number
- CN202732326U CN202732326U CN 201220395705 CN201220395705U CN202732326U CN 202732326 U CN202732326 U CN 202732326U CN 201220395705 CN201220395705 CN 201220395705 CN 201220395705 U CN201220395705 U CN 201220395705U CN 202732326 U CN202732326 U CN 202732326U
- Authority
- CN
- China
- Prior art keywords
- end cover
- rear end
- oil
- load
- hydraulic transformer
- 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
Links
Images
Abstract
The utility model relates to a hydraulic transformer, provides a swash plate plunger type hydraulic transformer controlled by a swinging cylinder, and is used for achieving multi-load unrelated control in a constant pressure network. The hydraulic transformer comprises a main shaft, a shell body, a swash plate, a plunger, a plunger cylinder and the swinging cylinder. The swinging cylinder is composed of a transitional end cover, a valve plate, a rear end cover, a rotating shaft vane, a fixed vane and a sealing ring. The transitional end cover is fixedly connected with the shell body, the rear end face of the transitional end cover is fixedly connected with the rear end cover, the valve plate serving as a rotating shaft of the swinging cylinder is installed in a round hole in the transitional end cover, the transitional end cover and the rear end cover form an outer shell of the swinging cylinder, the fixed vane is arranged in the rear end cover through a screw, and the rotating shaft vane is arranged on the rotating shaft through a screw. The swinging cylinder and the valve plate are integrated, so the hydraulic transformer enables control of the valve plate to be more flexible and has the advantages of being simple in drive method, high in drive efficiency, compact in structure, and high in integration level and the like.
Description
Technical field
The utility model belongs to mechanical field, relates to a kind of hydraulic element, specifically a kind of swash plate plunger hydraulic transformer of oscillating oil cylinder control.
Background technique
Hydraulic transformer refers to realize a kind of hydraulic element of pressure conversion in hydraulic transmission.Hydraulic transformer can be converted to output hydraulic pressure energy under the another kind of pressure to the input hydraulic pressure under the setting pressure expeditiously, use it can realize multi-load mutual incoherent control in constant pressure network, also can make the energy reverse flow, not only can drive the straight line load without restriction loss ground, but also can drive rotary load.
The variable mode of existing hydraulic transformer thrust plate has manual control formula, hydraulic cylinder-controlled standard.Wherein, manually the control formula can not realize the continuous adjusting of hydraulic transformer delivery pressure, though hydraulic cylinder-controlled standard can realize the continuous adjusting of hydraulic transformer delivery pressure, but the hydraulic transformer of hydraulic cylinder-controlled standard is all realized rotatablely moving by generic linear motion oil cylinder and gear-rack drive thrust plate in the prior art, and its driving mode is single, structural compactness and level of integration are difficult to further raising
Summary of the invention
The purpose of this utility model is exactly must adopt the deficiency of rectilinear motion oil cylinder single drive mode and structural compactness and level of integration to be difficult to the problem that further improves in order to overcome above-mentioned hydraulic transformer of the prior art, a kind of swash plate plunger hydraulic transformer of oscillating oil cylinder control is provided, this hydraulic transformer simultaneously uses thrust plate as the rotating shaft of oscillating oil cylinder, have that driving mode is simpler, drive efficiency is higher, a more compact structure, characteristics that level of integration is higher.
The purpose of this utility model is achieved by the following technical measures: a kind of swash plate plunger hydraulic transformer of oscillating oil cylinder control, and described hydraulic transformer is comprised of main shaft, housing, swash plate, plunger, plunger case, oscillating oil cylinder; Described oscillating oil cylinder is comprised of transition end cap, thrust plate, rear end cover, rotary shaft blade, stator blade, seal ring, and thrust plate is set in the circular hole of transition end cap as the rotating shaft of oscillating oil cylinder simultaneously; Described main shaft one end links to each other by bearing with housing, the main shaft the other end passes plunger case, thrust plate, transition end cap, link to each other with rear end cover by bearing, described transition end cap is fastenedly connected with housing and rear end cover respectively, described transition end cap and rear end cover form the shell of oscillating oil cylinder, described rotary shaft blade is arranged on the thrust plate by screw, and described stator blade is arranged in the rear end cover by screw, and described seal ring is arranged in the seal groove of rotary shaft blade and stator blade; Described thrust plate front-end face is provided with high pressure oil groove A, load oil groove B, oil-return groove T, be provided with high-pressure channel A1 in the described thrust plate, load channel B1, drainback passage T1, described rear end cover front-end face is provided with high-pressure oil passage A2, load oil circuit B2, oil circuit T2, described rear end cover ear end face is provided with high pressure hydraulic fluid port A3, load hydraulic fluid port B3, oil return inlet T 3, high pressure oil groove A is by high-pressure channel A1, high-pressure oil passage A2 communicates with high pressure hydraulic fluid port A3, load oil groove B is by load channel B1, load oil circuit B2 communicates with load hydraulic fluid port B3, and oil-return groove T is by drainback passage T1, oil circuit T2 communicates with oil return inlet T 3.
In technique scheme, described transition end cap circumferencial direction has tapped hole, and the circumferencial direction of rear end cover also has tapped hole, matches with tapped hole on the shell circumference respectively, by bolt transition end cap and housing and rear end cover is coupled together.
In technique scheme, described rotary shaft blade and stator blade circumferencial direction have the rectangular seal groove, and seal ring is installed in the rectangular seal groove.
The utility model provides a kind of swash plate plunger hydraulic transformer of oscillating oil cylinder control, compare with inclined shaft type hydraulic transformer, this hydraulic transformer improves thrust plate and rear end cover on the basis of shaft type plunger pump, have the advantage that support stiffness is large, noise is low, rotary inertia is little, be used for realizing at constant pressure network the mutual uncorrelated control of multi-load.Compared with prior art, the method that provides a kind of new control thrust plate to rotate by oscillating oil cylinder and thrust plate is integrated, makes the control of thrust plate more flexible.The utility model hydraulic transformer is owing to cancelled pinion and rack, so driving mode is simpler, drive efficiency is higher, because thrust plate is used as the rotating shaft of oscillating oil cylinder simultaneously, so more compact structure, level of integration are higher.
Description of drawings
Fig. 1 is the structural representation of the swash plate plunger hydraulic transformer of the utility model oscillating oil cylinder control.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the front-end face view of thrust plate in the utility model.
Fig. 4 is the B-B partial sectional view of Fig. 3.
Fig. 5 is the front-end face view of rear end cover in the utility model.
Fig. 6 is the ear end face view of rear end cover in the utility model.
Wherein: 1. main shaft, 2. housing, 3. plunger, 4. thrust plate, 5. oscillating oil cylinder, 6. rear end cover, 7. bearing, 8. transition end cap, 9. plunger case, 10. swash plate, 11. bearings, 12. rotary shaft blades, 13. stator blades, 14. seal rings.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
Such as Fig. 1, shown in 2, present embodiment provides a kind of embodiment one: the swash plate plunger hydraulic transformer of oscillating oil cylinder control, this hydraulic transformer comprises main shaft 1, housing 2, plunger 3, plunger case 9, swash plate 10, oscillating oil cylinder 5, described oscillating oil cylinder 5 comprises transition end cap 8, thrust plate 4, rear end cover 6, rotary shaft blade 12, stator blade 13, seal ring 14, one end of described main shaft 1 is installed in the bearing 11 on the housing 2, the other end passes plunger case 9, thrust plate 4, transition end cap 8, be installed in the bearing 7 on the rear end cover 6, described thrust plate 4 is installed in the circular hole of transition end cap 8 as the rotating shaft of oscillating oil cylinder 5 simultaneously, described transition end cap 8 is fastenedly connected by screw and housing 2, described rear end cover 6 is fastenedly connected by screw and transition end cap 8, described transition end cap 8 and rear end cover 6 form the shell of oscillating oil cylinders 5, described rotary shaft blade 12 is installed on the thrust plate 4 by screw, described stator blade 13 is installed in the rear end cover 6 by screw, and described seal ring 14 is installed in the seal groove of rotary shaft blade 12 and stator blade 13.
Such as Fig. 3,4,5, shown in 6, described thrust plate 4 front-end faces are provided with high pressure oil groove A, load oil groove B, oil-return groove T, be provided with high-pressure channel A1 in the described thrust plate 4, load channel B1, drainback passage T1, described rear end cover 6 front-end faces are provided with high-pressure oil passage A2, load oil circuit B2, oil circuit T2, described rear end cover 6 ear end faces are provided with high pressure oilhole A3, load oilhole B3, spill port T3, high pressure oil groove A is by high-pressure channel A1, high-pressure oil passage A2 communicates with high pressure hydraulic fluid port A3, load oil groove B is by load channel B1, load oil circuit B2 communicates with load hydraulic fluid port B3, and oil-return groove T is by drainback passage T1, oil circuit T2 communicates with oil return inlet T 3.
By screw control valve is installed on the rear end cover 6 of described oscillating oil cylinder 5, described control valve comprises four hydraulic fluid port P1, P2, P3, P4,5 liang of outlets of described oscillating oil cylinder link to each other with the P2 mouth with the P1 mouth of control valve respectively, control valve P3 mouth connects the constant pressure network high pressure fuel source, control valve P4 mouth connects constant pressure network low pressure oil sources, enters and flow out the flow of oscillating oil cylinder 5 by control valve control, rotates thereby control oscillating oil cylinder.By oscillating oil cylinder 5 and thrust plate 4 is integrated, the control of thrust plate 4 is more flexible, for oscillating oil cylinder 5 and hydraulic transformer housing 2 are coupled together, is provided with transition end cap 8.
Embodiment two: present embodiment is described in conjunction with Fig. 1, Fig. 3, thrust plate 4 front-end face high pressure oil groove A, load oil groove B, oil-return groove T are distributed on the same circumference in the present embodiment, high pressure oil groove A and oil-return groove T are distributed on the same circumference on thrust plate 4 ear end faces, and high-pressure channel A1, load channel B1, drainback passage T1 are skewed slot.Other compositions and annexation are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 1, Fig. 5, rear end cover 6 front-end faces arrange in the present embodiment high-pressure oil passage A2, load oil circuit B2, oil circuit T2, be communicated with high-pressure channel A1, load channel B1, drainback passage T1 in the thrust plate 4 respectively, described high-pressure oil passage A2 and oil circuit T2 are distributed on the same circumference, described load oil circuit B2 is distributed on another circumference, establishes sealing strip between described two circumference.Other compositions and annexation are identical with embodiment one.
Embodiment four: present embodiment is described in conjunction with Fig. 1, Fig. 6, high pressure hydraulic fluid port A3 in the present embodiment on rear end cover 6 ear end faces, load hydraulic fluid port B3, oil return inlet T 3, be communicated with high-pressure oil passage A2, load oil circuit B2, oil circuit T2 on rear end cover 6 front-end faces respectively, described high pressure hydraulic fluid port A3 is communicated with the constant pressure network high pressure fuel source, load hydraulic fluid port B3 is to the load fuel feeding, and oil return inlet T 3 is communicated with constant pressure network low pressure oil sources.Other compositions and annexation are identical with embodiment one.
Working principle: according to mode of execution one～mode of execution four, during hydraulic transformer work, under the effect of constant pressure network high pressure fuel source pressure, make plunger case 9 produce driving moments and rotate, three oil grooves of thrust plate 4 front-end faces are connected respectively constant pressure network high pressure fuel source, load and constant pressure network low pressure oil sources, when driving moment and loading moment, friction torque balance, it is stable that the delivery pressure of hydraulic transformer keeps; When needs improved or reduce the delivery pressure of hydraulic transformer, by adjusting control valve, flow and direction that control constant pressure network high pressure fuel source enters oscillating oil cylinder, and then the corner of change thrust plate 4 realized the adjusting of delivery pressure.
Claims (3)
1. the swash plate plunger hydraulic transformer of oscillating oil cylinder control, it is characterized in that: described hydraulic transformer is comprised of main shaft, housing, swash plate, plunger, plunger case, oscillating oil cylinder; Described oscillating oil cylinder is comprised of transition end cap, thrust plate, rear end cover, rotary shaft blade, stator blade, seal ring, and thrust plate is set in the circular hole of transition end cap as the rotating shaft of oscillating oil cylinder simultaneously; Described main shaft one end links to each other by bearing with housing, the main shaft the other end passes plunger case, thrust plate, transition end cap, link to each other with rear end cover by bearing, described transition end cap is fastenedly connected with housing and rear end cover respectively, described transition end cap and rear end cover form the shell of oscillating oil cylinder, described rotary shaft blade is arranged on the thrust plate by screw, and described stator blade is arranged in the rear end cover by screw, and described seal ring is arranged in the seal groove of rotary shaft blade and stator blade; Described thrust plate front-end face is provided with high pressure oil groove A, load oil groove B, oil-return groove T, be provided with high-pressure channel A1 in the described thrust plate, load channel B1, drainback passage T1, described rear end cover front-end face is provided with high-pressure oil passage A2, load oil circuit B2, oil circuit T2, described rear end cover ear end face is provided with high pressure hydraulic fluid port A3, load hydraulic fluid port B3, oil return inlet T 3, high pressure oil groove A is by high-pressure channel A1, high-pressure oil passage A2 communicates with high pressure hydraulic fluid port A3, load oil groove B is by load channel B1, load oil circuit B2 communicates with load hydraulic fluid port B3, and oil-return groove T is by drainback passage T1, oil circuit T2 communicates with oil return inlet T 3.
2. the swash plate plunger hydraulic transformer of oscillating oil cylinder according to claim 1 control, it is characterized in that: described transition end cap circumferencial direction has tapped hole, the circumferencial direction of rear end cover also has tapped hole, match with tapped hole on the shell circumference respectively, by bolt transition end cap and housing and rear end cover are coupled together.
3. the swash plate plunger hydraulic transformer of oscillating oil cylinder according to claim 1 control, it is characterized in that: described rotary shaft blade and stator blade circumferencial direction have the rectangular seal groove, and seal ring is installed in the rectangular seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220395705 CN202732326U (en) | 2012-08-10 | 2012-08-10 | Swash plate plunger type hydraulic transformer controlled by swinging cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220395705 CN202732326U (en) | 2012-08-10 | 2012-08-10 | Swash plate plunger type hydraulic transformer controlled by swinging cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202732326U true CN202732326U (en) | 2013-02-13 |
Family
ID=47658031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220395705 Expired - Fee Related CN202732326U (en) | 2012-08-10 | 2012-08-10 | Swash plate plunger type hydraulic transformer controlled by swinging cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202732326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788010A (en) * | 2012-08-10 | 2012-11-21 | 中国船舶重工集团公司第七一九研究所 | Tilting tray plunger type hydraulic transformer controlled by oscillating oil cylinder |
| CN108825578A (en) * | 2018-06-26 | 2018-11-16 | 武汉科技大学 | A kind of oscillating oil cylinder using combination type vane structure |
-
2012
- 2012-08-10 CN CN 201220395705 patent/CN202732326U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788010A (en) * | 2012-08-10 | 2012-11-21 | 中国船舶重工集团公司第七一九研究所 | Tilting tray plunger type hydraulic transformer controlled by oscillating oil cylinder |
| CN102788010B (en) * | 2012-08-10 | 2015-11-18 | 中国船舶重工集团公司第七一九研究所 | The swash plate plunger type hydraulic transformer that a kind of oscillating oil cylinder controls |
| CN108825578A (en) * | 2018-06-26 | 2018-11-16 | 武汉科技大学 | A kind of oscillating oil cylinder using combination type vane structure |
| CN108825578B (en) * | 2018-06-26 | 2020-11-17 | 武汉科技大学 | Swing oil cylinder with combined blade structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107882786B (en) | Static and dynamic flow real-time matching system of closed pump control single-rod hydraulic cylinder | |
| CN101354051B (en) | Electric control inclined shaft plunger type hydraulic transformer | |
| CN103114993B (en) | A kind of step blade type hydraulic machinery | |
| CN202732326U (en) | Swash plate plunger type hydraulic transformer controlled by swinging cylinder | |
| CN102788010B (en) | The swash plate plunger type hydraulic transformer that a kind of oscillating oil cylinder controls | |
| CN103016430A (en) | Swash plate piston hydraulic transformer controlled by swing hydraulic motor | |
| CN102644588B (en) | Fluid pressure and mechanical energy converter | |
| CN103758758B (en) | A kind of AC servo direct-driving type electricity liquid pump | |
| CN103334926A (en) | Rotating stator type double-acting variable vane pump | |
| CN203906417U (en) | Air-driven and liquid-operated power system on corner combining machine | |
| CN101260830B (en) | Ratchet rotor engine control device | |
| CN203906202U (en) | Plunger type hydraulic pump with linear motor | |
| CN203742894U (en) | Hollow shaft directly driven type multi-stage low-speed large-torque hydraulic motor | |
| CN204534081U (en) | Combined shunting dividing potential drop oil pump | |
| CN107143379A (en) | Engine | |
| CN102691655A (en) | Shaft rotation double-stator cam rotor multi-output pump | |
| CN203604288U (en) | Valve plate for integrated type hydraulic transformer | |
| CN202732516U (en) | External valve controlled type electric-hydraulic pusher | |
| CN201982279U (en) | Mechanism capable of pumping liquid and exhausting air both | |
| CN203395556U (en) | Novel two-way cycloid pump | |
| CN209483500U (en) | A kind of solar energy Stirling engine hydraulic stroke converter | |
| CN101566178B (en) | Double-acting vane type hydraulic transformer controlled by hydraulic cylinder | |
| CN202228265U (en) | Double-speed hydraulic motor | |
| CN204610744U (en) | A kind of gear-box being exclusively used in dredging operation | |
| CN102562166A (en) | Rotary engine driven by compressed air |
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: 20130213 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |