CN212898825U - Novel roller guide rail driving mechanism - Google Patents
Novel roller guide rail driving mechanism Download PDFInfo
- Publication number
- CN212898825U CN212898825U CN202021855433.2U CN202021855433U CN212898825U CN 212898825 U CN212898825 U CN 212898825U CN 202021855433 U CN202021855433 U CN 202021855433U CN 212898825 U CN212898825 U CN 212898825U
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- guide rail
- swivel mount
- saddle
- conical surface
- shaped conical
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a novel roller guide rail actuating mechanism, includes saddle-shaped conical surface guide rail, swivel mount, gyro wheel and cross shift fork and linear sliding bearing, saddle-shaped conical surface guide rail design into two high points and two low points, fix on the casing, saddle-shaped conical surface guide rail between set up the swivel mount, the circumference equipartition is being 4 looks phase difference for 90 gyro wheels on the swivel mount, linear sliding bearing plane holder is last to have the steel ball raceway respectively at cross shift fork and swivel mount contact action each other, the swivel mount is connected through cross shift fork and motor shaft, the swivel mount is under saddle-shaped conical surface guide rail restraint to produce reciprocal and rotatory compound motion, drive mechanism output shaft motion. The utility model discloses small, light in weight, low in manufacturing cost, part are few, easy maintenance, long service life of structure, can realize rotation and reciprocating motion.
Description
Technical Field
The utility model relates to a actuating mechanism technical field is applied to hydraulic pump and hydraulic motor among the fluid drive and the control field.
Background
The existing swash plate type plunger pump mainly comprises a driving mechanism consisting of a pump shaft, a swash plate, a cylinder body, a piston shoe and the like to realize the reciprocating motion of a plunger, and the swash plate has very large overturning moment and unbalanced inertia moment of a rotating shaft. The three-plunger pump is provided with a driving mechanism consisting of a speed reducer, a crankshaft and a connecting rod, and has the advantages of large structural size and weight, low power density and complex production and manufacture. The external gear pump directly realizes transmission and suction and discharge functions of the pump through a pair of gears, and is easy to move at high speed. The screw pump mainly drives a screw to rotate by a speed reducer, and the rotating speed of the screw is usually low. The screw has high processing precision requirement and complex processing technology. The vane pump has rotor and stator ring to constrain and drive vane motion and to form variable cavity.
Disclosure of Invention
For the continuous rotation while reciprocating motion who realizes the piston, reduce actuating mechanism's volume and weight to can install the sealing member between actuating mechanism and the piston, the utility model provides a novel gyro wheel guide rail actuating mechanism mainly uses in the hydraulic pump. The driving mechanism adopts a space cam-roller pair to realize the reciprocating motion of the roller frame, the radial force of the driving mechanism is balanced, the rolling friction force is small, the mechanical efficiency is high, and the service life is very long; in addition, the pressure angle of the cam is small, the required driving torque is small, and the cam can be matched with a micro motor.
The utility model adopts the technical scheme as follows:
the utility model provides a novel roller guide rail actuating mechanism, includes saddle-shaped conical surface guide rail, swivel mount, gyro wheel and cross shift fork and linear sliding bearing, saddle-shaped conical surface guide rail design into two high points and two low points, fix on the casing, saddle-shaped conical surface guide rail between set up the swivel mount, the circumference equipartition is being 4 looks difference for 90 gyro wheels on the swivel mount, linear sliding bearing plane holder is last to have the steel ball raceway respectively at cross shift fork and swivel mount contact action each other, the swivel mount is connected through cross shift fork and motor shaft.
Furthermore, the motor shaft is connected with a cross shifting fork, the cross shifting fork drives a rotating frame to rotate, four idler wheels are circumferentially distributed on the rotating frame, saddle-shaped conical surface guide rails on two sides are fixed, and the rotating frame can rotate and reciprocate under the constraint of the saddle-shaped conical surface guide rails.
The working principle of the utility model is as follows: when the motor starts, an initial torque is input by the motor shaft, the motor shaft is connected with a cross shifting fork, the cross shifting fork drives a rotating frame, four idler wheels are circumferentially distributed on the rotating frame, and the rotating frame rotates. If the mechanism is arranged on the hydraulic pump, the working efficiency can be greatly improved, and the integral structure is reduced.
The beneficial effects of the utility model are embodied in: the utility model discloses compare with traditional bent axle link mechanism or cam mechanism, reduced the motion space volume, the structure has simplified greatly, has obviously highlighted characteristics small, light in weight, low in manufacturing cost, part are few, easy maintenance. The mechanism is applied to the pump, so that the design of the pump structure is simplified, and the design goals of high efficiency and light weight are achieved.
Drawings
Fig. 1 is a schematic structural view of a novel roller guide rail driving mechanism of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, a novel roller guide rail driving mechanism, including saddle-shaped conical surface guide rail 5, swivel mount 7, gyro wheel 4 and cross shift fork 2 and linear sliding bearing 1, saddle-shaped conical surface guide rail 5 design into two high points and two low points, on the fixed casing respectively, swivel mount 7 between saddle-shaped conical surface guide rail 5, the circumference equipartition is on the swivel mount 4 that the phase difference is 90, has the steel ball raceway respectively on the 1 planar holder of linear sliding bearing at cross shift fork and swivel mount mutual contact effect, swivel mount 7 is connected through cross shift fork 2 and motor shaft 3.
When the motor starts, an initial torque is input by the motor shaft 3, the motor shaft 3 is connected with the cross-shaped shifting fork 2, the cross-shaped shifting fork 2 drives the rotating frame 7, four rollers 4 are circumferentially distributed on the rotating frame 7, and the rotating frame 7 rotates.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention is intended to include equivalent technical means as would be understood by those skilled in the art based on the teachings of the present disclosure.
Claims (2)
1. The utility model provides a novel roller guide rail actuating mechanism, a serial communication port, including saddle-shaped conical surface guide rail, swivel mount, gyro wheel and cross shift fork and linear sliding bearing, saddle-shaped conical surface guide rail design into two high points and two low points, fix on the casing, saddle-shaped conical surface guide rail between set up the swivel mount, the circumference equipartition is being 4 phase differences for 90 gyro wheels on the swivel mount, linear sliding bearing plane holder is last to have the steel ball raceway respectively at cross shift fork and swivel mount interact, the swivel mount is connected through cross shift fork and motor shaft.
2. The novel roller guide rail driving mechanism as claimed in claim 1, wherein the motor shaft is connected to a cross-shaped shifting fork, the cross-shaped shifting fork drives a rotating frame to rotate, four rollers are circumferentially distributed on the rotating frame, the saddle-shaped conical guide rails on two sides are fixed, and the rotating frame can rotate and reciprocate under the constraint of the saddle-shaped conical guide rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021855433.2U CN212898825U (en) | 2020-08-31 | 2020-08-31 | Novel roller guide rail driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021855433.2U CN212898825U (en) | 2020-08-31 | 2020-08-31 | Novel roller guide rail driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212898825U true CN212898825U (en) | 2021-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021855433.2U Active CN212898825U (en) | 2020-08-31 | 2020-08-31 | Novel roller guide rail driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212898825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236724A (en) * | 2021-05-17 | 2021-08-10 | 浙江工业大学 | Inertia force balance type three-point contact stacking rolling-linear motion transmission mechanism |
-
2020
- 2020-08-31 CN CN202021855433.2U patent/CN212898825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236724A (en) * | 2021-05-17 | 2021-08-10 | 浙江工业大学 | Inertia force balance type three-point contact stacking rolling-linear motion transmission mechanism |
| CN113236724B (en) * | 2021-05-17 | 2022-03-18 | 浙江工业大学 | Inertia force balance type three-point contact stacking rolling-linear motion transmission mechanism |
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