CN210223284U - Full-closed-loop platform - Google Patents
Full-closed-loop platform Download PDFInfo
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- CN210223284U CN210223284U CN201821075783.XU CN201821075783U CN210223284U CN 210223284 U CN210223284 U CN 210223284U CN 201821075783 U CN201821075783 U CN 201821075783U CN 210223284 U CN210223284 U CN 210223284U
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- closed loop
- fixedly connected
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Abstract
The utility model aims to provide a closed loop platform with information feedback, which improves the precision of the platform; the servo electric cylinder is connected with the lower hinge element through a connecting rod; two ends of the servo electric cylinder are respectively and fixedly connected with the lower hinge piece and the upper hinge piece; the lower hinge part is fixed on the fixed base; the upper hinge is fixed on the load platform; the number of the servo electric cylinders is 6; the 6 servo electric cylinders are arranged in a V shape; the angle sensor is positioned on the load platform; compared with the prior open loop control of feeding back by a rotary encoder of a servo motor, the precision is much higher.
Description
Technical Field
The utility model relates to an analog simulation motion platform, concretely relates to full cut-off loop platform.
Background
In the prior art, a platform is built by six servo electric cylinders, and encoder feedback of a servo motor is utilized. However, for the six-degree-of-freedom platform, the control is open-loop control, a closed loop is not formed, and the requirements cannot be met in some occasions where the high angle precision is required.
The published Chinese utility model patent has the publication number: CN206271242U, patent name: the airplane bears a three-degree-of-freedom dynamic platform, application date: 20161128, the aircraft bearing three-degree-of-freedom dynamic platform comprises an upper platform support, a lower platform support and three servo electric cylinders, wherein the top ends of the servo electric cylinders are fixedly connected to the bottom of the upper platform support, the bottoms of the servo electric cylinders are fixedly connected to the lower platform support, the three servo electric cylinders are arranged on the lower platform support in a regular triangle shape, and the side length of the regular triangle defined by the top ends of the three servo electric cylinders is smaller than that of the regular triangle defined by the bottom ends of the three servo electric cylinders; the upper platform support is adjusted through the three servo electric cylinders, high-precision adjustment of the upper platform support is achieved, and the purposes of improving motion control precision and improving experience effect are achieved.
Therefore the utility model provides a take platform of sensor has the information feedback, has improved the precision of platform adjustment.
Disclosure of Invention
An object of the utility model is to provide a closed loop platform that has information feedback improves the precision of platform.
The utility model provides a full closed loop platform, which comprises a lower articulated element 1, a servo electric cylinder 2, an upper articulated element 3, a load platform 4, a fixed base 5 and an angle sensor 6;
two ends of the servo electric cylinder 2 are respectively and fixedly connected with the lower hinge part 1 and the upper hinge part 3; the lower hinge part 1 is fixed on the fixed base 5; the upper hinge part 3 is fixed on the load platform 4; the number of the servo electric cylinders 2 is 6; the 6 servo electric cylinders 2 are arranged in a V shape; the angle sensor 6 is fixed on the load platform 4.
Preferably, the lower hinge part 1 and the upper hinge part 3 are both hooke hinges.
Preferably, the load platform 4 is circular.
Preferably, the servo electric cylinder 2 further comprises a servo motor 21 and a transmission screw rod 22; one end of the servo motor 21 is fixedly connected with the lower hinge part 1, and the other end of the servo motor is fixedly connected with the transmission screw rod 22; one end of the transmission screw rod 22 is fixedly connected with the servo motor 21, and the other end is fixedly connected with the upper hinge part 3.
Preferably, the servo electric cylinder 2 adopts a trapezoidal screw, a ball screw or a ball screw.
Preferably, the stroke of the load platform 4 in the direction X, Y, Z is 0-1200 mm.
Preferably, the load of the load platform 4 does not exceed 5000 kg.
Preferably, the ends of the two servo electric cylinders 2 are connected with a Hooke's joint.
The utility model discloses an angle of platform is fed back by the angle sensor 6 of settling on load platform 4, and to load platform 4, X, Y, Z triaxial rotates and is the closed loop entirely. Compared with the prior open loop control of feeding back by a rotary encoder of a servo motor, the precision is much higher.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a lower hinge member; 2. a servo electric cylinder 21, a servo motor 22, a transmission screw rod; 3. an upper hinge member; 4. a load platform; 5. a fixed base; 6. an angle sensor.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will now be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way.
The utility model provides a full closed loop platform, which comprises a lower articulated element 1, a servo electric cylinder 2, an upper articulated element 3, a load platform 4, a fixed base 5 and an angle sensor 6;
two ends of the servo electric cylinder 2 are respectively and fixedly connected with the lower hinge part 1 and the upper hinge part 3; the lower hinge part 1 is fixed on the fixed base 5; the upper hinge part 3 is fixed on the load platform 4; the number of the servo electric cylinders 2 is 6; the 6 servo electric cylinders 2 are arranged in a V shape; the angle sensor 6 is fixed on the load platform 4.
The dynamic platform system consists of a multi-degree-of-freedom electric platform, a computer control system and a driving system. The computer control system and the driving system are integrated in the control cabinet. And the computer control system controls a driving system to control the servo electric cylinder 2 to move and transmit the servo electric cylinder to the load platform 4, so that the load platform 4 can move in X, Y, Z directions.
In this embodiment, it is preferable that the upper hinge 1 and the lower hinge 2 are both hooke joints.
The lower hinged part 1 and the upper hinged part 3 adopt split type hooke hinges, which is beneficial to the load platform 4 to carry out multi-dimensional rotation and displacement.
Preferably, in this embodiment, the load platform 4 is circular.
Preferably, in this embodiment, the servo electric cylinder 2 further includes a servo motor 21 and a transmission screw 22; one end of the servo motor 21 is fixedly connected with the lower hinge part 1, and the other end of the servo motor is fixedly connected with the transmission screw rod 22; one end of the transmission screw rod 22 is fixedly connected with the servo motor 21, and the other end is fixedly connected with the upper hinge part 3.
In the present embodiment, the drive screw 22 is preferably a trapezoidal screw, a roller screw or a ball screw.
Can select trapezoidal lead screw, roller lead screw or ball screw according to the customer formulation, improve the utility model discloses a precision.
In the preferred embodiment, the stroke of the load platform 4 in the direction X, Y, Z is 0-1200 mm.
In this embodiment, it is preferable that the load of the load platform 4 is not more than 5000 kg.
In this embodiment, preferably, the ends of every two servo electric cylinders 2 are connected with a hooke joint.
The 6 servo electric cylinders 2 are arranged in a V shape and form 6 triangular surfaces with the load platform 4 and the fixed base 5, so that the stability of the load platform 4 is guaranteed, the six-degree-of-freedom motion of the load platform can be guaranteed, the motion is stable and smooth, the rigidity is good, the strength is high, and the maintenance is free.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A full closed-loop platform comprises a lower hinged part (1), a servo electric cylinder (2), an upper hinged part (3), a load platform (4), a fixed base (5) and an angle sensor (6);
it is characterized in that the preparation method is characterized in that,
two ends of the servo electric cylinder (2) are respectively and fixedly connected with the lower articulated piece (1) and the upper articulated piece (3); the lower hinge part (1) is fixed on the fixed base (5); the upper hinge part (3) is fixed on the load platform (4); the number of the servo electric cylinders (2) is 6; the 6 servo electric cylinders (2) are arranged in a V shape; the angle sensor (6) is fixed on the load platform (4).
2. A fully closed loop platform according to claim 1, wherein the lower hinge (1) and the upper hinge (3) are both hooke's hinges.
3. A fully closed loop platform according to claim 1, wherein the load platform (4) is circular.
4. A fully closed loop platform according to claim 1, wherein the servo electric cylinder (2) further comprises a servo motor (21), a transmission screw (22); one end of the servo motor (21) is fixedly connected with the lower hinge part (1), and the other end of the servo motor is fixedly connected with the transmission screw rod (22); one end of the transmission screw rod (22) is fixedly connected with the servo motor (21), and the other end of the transmission screw rod is fixedly connected with the upper hinge piece (3).
5. The fully closed loop platform according to claim 4, wherein the servo electric cylinder (2) is a trapezoidal screw, a ball screw or a ball screw.
6. A fully closed loop platform according to claim 1, wherein the load platform (4) has a stroke in the direction X, Y, Z of 0-1200 mm.
7. A fully closed loop platform according to claim 1, wherein the load of the load platform (4) does not exceed 5000 kg.
8. A fully closed loop platform according to claim 2, wherein the heads of the two servo electric cylinders (2) are connected with a hooke joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075783.XU CN210223284U (en) | 2018-07-06 | 2018-07-06 | Full-closed-loop platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075783.XU CN210223284U (en) | 2018-07-06 | 2018-07-06 | Full-closed-loop platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223284U true CN210223284U (en) | 2020-03-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821075783.XU Active CN210223284U (en) | 2018-07-06 | 2018-07-06 | Full-closed-loop platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223284U (en) |
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2018
- 2018-07-06 CN CN201821075783.XU patent/CN210223284U/en active Active
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