CN2092635U - Sloping carn plate drive beared by spherical hinge - Google Patents
Sloping carn plate drive beared by spherical hinge Download PDFInfo
- Publication number
- CN2092635U CN2092635U CN 91201418 CN91201418U CN2092635U CN 2092635 U CN2092635 U CN 2092635U CN 91201418 CN91201418 CN 91201418 CN 91201418 U CN91201418 U CN 91201418U CN 2092635 U CN2092635 U CN 2092635U
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- CN
- China
- Prior art keywords
- swash plate
- dial
- utility
- main shaft
- model
- 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.)
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a swing sloping plate drive device borne by a spherical hinge, belonging to mechanical transmission devices which can change rotation into a reciprocating linear movement. The sloping plate drive device in the prior hydraulic axial plunger pump is a device whose sloping plate and plunger cylinders rotate around the axis of a main shaft. The moment of inertia of the utility model is large, the impact vibration and the friction work are big, making the rotation speed and the size of the plunger cylinder limited, and the requirements of high power and high speed can not be met. The utility model can realize the transmission and shifting under the condition that each cylinder is motionless by changing the motion mode of the sloping plate, reducing the inertia and friction, increasing the size of the cylinder and improving the power and the rotary speed. The utility model has the advantages of simple structure, high efficiency, large power, etc.
Description
The utility model belongs to a kind of rotation is become the mechanical transmission that linear reciprocation moves.
The existing a kind of typical structure relevant with the utility model is the swash plate transmission conversion equipment that adopts in the hydraulic axial plunger pump.It is to become the swash plate of a slanted angle to be connected the plunger of each plunger cylinder by a center line and main-shaft axis, when main shaft drive swash plate rotates around main-shaft axis with each plunger case, swash plate forms a rotating beveled end face cam, each plunger is as follower lever, because this turns round the straight reciprocating motion work done in the cylinder body that acts on inclined-plane, thereby realize the conversion and the transmission of power of motion.Because each plunger case all will rotate around main-shaft axis, so its rotary inertia is big, friction power loss and impact shock are big, thereby rotating speed and cylinder body size are restricted, and can not satisfy high-power and requirement at a high speed.Give simultaneously and join the structure of oil system and the manufacturing of sealing and cylinder body spring bearing brings difficulty.
Task of the present utility model is under the fixed state of each cylinder body rotation to be converted to linear reciprocation to move, and to realize reducing inertia and friction, increases the cylinder body size, improves the purpose of power, rotating speed and mechanical efficiency.
Above-mentioned purpose is to keep by the motion mode that changes swash plate in the conversion equipment that original relative motion relation is constant to be realized.
Specify the structure and the working principle of this device below in conjunction with embodiment.
Fig. 1 is the structural representation of this device.As shown in the figure: (1) is housing; (2) be main shaft; (3) be two-way cylinder; (4) for the push-and-pull dish, the piston rod of it and two two-way cylinders is connected, and uniform 4 guiding grooves (5) that have on its circumference cooperate with guide pad (6) on being fixed on housing, and it can only be moved axially and can not rotate along main shaft; (7) be dial, be fixed with on the dish and dial arm (8) and have groove (9) that dish is connected by spline with main shaft; (10) be shaking tray, a dog (11) and a dovetail groove (12) are arranged on its end face; (13) be slide block, be embedded in and slide in the dovetail groove of shaking tray and with to dial arm hinged; (14) be swash plate, support that be connected with odd number piston (16) by circumference uniform distribution on its end face, its outer round surface upper edge diametric(al) has two minor axises, on the axle roller (17) is housed by ball pivot (15); (18) for being fixed on the circular arc block on the housing, its radius of arc R is slightly larger than the swash plate radius, so that can block roller it is rolled in the above, interferes in the time of avoiding the swash plate swing again; (19) be the piston oil-cylinder cylinder body.
The working principle of this device is, when swash plate (14) end face and main shaft (2) axis normal, be that the swash plate center line is when overlapping with main-shaft axis, the rotation of main shaft drives dial (7) by spline and rotates, and dial drives shaking tray (10) again and rotates, because the tilt angle of swash plate is zero at this moment, shaking tray is around swash plate center line (being main-shaft axis) rotation, swash plate is transfixion then, and each piston (16) is also just motionless, and the flow of each cylinder body (19) is zero.When the piston of two two-way cylinders of control (3) moves right, push-and-pull dish (4) drives dial and axially moves right along main shaft, by dialling the effect of arm (8) and slide block (13), make shaking tray and swash plate around angle of the centroclinal rotation of ball pivot (15), form certain angle between the center line of shaking tray and swash plate and the main-shaft axis, simultaneously dog (11) on the shaking tray and the engagement of the groove (9) on the dial.This moment, the rotation of main shaft made shaking tray do to do spatial motion around the rotation of swash plate center line with around the planetary motion that the revolution of main-shaft axis is combined into thereby drive swash plate.In illustrated rectangular coordinate system in space OXYZ, because the restriction of ball pivot and two circular arc blocks (18), swash plate can not be around Z axle rotation angle, can only be fulcrum with the ball pivot center, do reciprocal space compound swing around X-axis and Y-axis, thereby each piston that connects on its end face is done reciprocating linear motion under the fixed state of each cylinder body.The motion commutation of each piston is carried out in a circumference successively in turn.When swashplate angle increased, its oscillating quantity increased, and makes the corresponding increase of stroke of each piston, and flow also just increases.Because the distance that swashplate angle can move with the push-and-pull dish changes arbitrarily in certain certain value at 0 °, thus also regulated at will within the specific limits just of flow, thus realize permanent power stepless Variable Control.
The utility model has the advantage of that rotary inertia is little, impact shock is little, so can strengthen the cylinder body size, increases discharge capacity, improves power and rotating speed. Simultaneously simple in structure, frictional dissipation is little, the mechanical efficiency height, and cost is low. Be applicable to that the industries such as machinery, light industry, chemical industry, oil use as transmission device.
Claims (4)
1, a kind of ball pivot supports and waves the swash plate transmission device, housing (1), main shaft (2), piston (16), cylinder body (19) are arranged, it is characterized in that: drive along the axially movable push-and-pull dish of main shaft (4) by two two-way cylinders (3), being driven, rotated by main shaft also can be by the moving axially movable dial (7) of push-and-pull dribbling, by the shaking tray (10) that the dial driven rotary also can turn an angle around ball pivot (15) center, support and drive the swash plate (14) of reciprocally swinging by ball pivot by shaking tray.
2, transmission device according to claim 1, it is characterized in that being uniformly distributed along the circumference on the push-and-pull dish has 4 guiding grooves (5), cooperates with guide pad (6) on being fixed in housing.
3, transmission device according to claim 1 is characterized in that having on the dial end face dovetail groove (12), and it is embedded with the slide block hinged with dial (13).
4, transmission device according to claim 1 is characterized in that swash plate periphery upper edge diametric(al) has two minor axises, on the axle roller (17) is housed, and roller is gone up rolling at the circular arc block (18) that is fixed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91201418 CN2092635U (en) | 1991-01-23 | 1991-01-23 | Sloping carn plate drive beared by spherical hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91201418 CN2092635U (en) | 1991-01-23 | 1991-01-23 | Sloping carn plate drive beared by spherical hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2092635U true CN2092635U (en) | 1992-01-08 |
Family
ID=4912170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91201418 Withdrawn CN2092635U (en) | 1991-01-23 | 1991-01-23 | Sloping carn plate drive beared by spherical hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2092635U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487458B (en) * | 2008-07-14 | 2012-05-23 | 张全根 | Axial variable displacement plunger pump of swash plate |
| CN106224096A (en) * | 2016-07-28 | 2016-12-14 | 柳平 | Become discharge capacity piston drive mechanism, method for designing and driving means |
| CN111963645A (en) * | 2020-06-28 | 2020-11-20 | 重庆交通大学绿色航空技术研究院 | Axial cooperation swash plate rotary cylinder type axial piston driving device |
| CN112696315A (en) * | 2020-12-29 | 2021-04-23 | 诸暨和创电机科技有限公司 | Rotary uplifting type speed reducing device and rotary uplifting type braking system of wind driven generator |
| CN113775853A (en) * | 2021-09-28 | 2021-12-10 | 长庆实业集团有限公司 | Oil outlet pipeline plugging point positioning device |
-
1991
- 1991-01-23 CN CN 91201418 patent/CN2092635U/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487458B (en) * | 2008-07-14 | 2012-05-23 | 张全根 | Axial variable displacement plunger pump of swash plate |
| CN106224096A (en) * | 2016-07-28 | 2016-12-14 | 柳平 | Become discharge capacity piston drive mechanism, method for designing and driving means |
| CN106224096B (en) * | 2016-07-28 | 2018-12-14 | 重庆交通大学 | Become discharge capacity piston drive mechanism, design method and driving device |
| CN111963645A (en) * | 2020-06-28 | 2020-11-20 | 重庆交通大学绿色航空技术研究院 | Axial cooperation swash plate rotary cylinder type axial piston driving device |
| CN111963645B (en) * | 2020-06-28 | 2022-01-25 | 重庆交通大学绿色航空技术研究院 | Axial cooperation swash plate rotary cylinder type axial piston driving device |
| CN112696315A (en) * | 2020-12-29 | 2021-04-23 | 诸暨和创电机科技有限公司 | Rotary uplifting type speed reducing device and rotary uplifting type braking system of wind driven generator |
| CN112696315B (en) * | 2020-12-29 | 2023-09-22 | 诸暨和创电机科技有限公司 | Rotary lifting type speed reducer and rotary lifting type braking system of wind driven generator |
| CN113775853A (en) * | 2021-09-28 | 2021-12-10 | 长庆实业集团有限公司 | Oil outlet pipeline plugging point positioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |