CN218066954U - Swinging device of six-degree-of-freedom Stewart platform - Google Patents
Swinging device of six-degree-of-freedom Stewart platform Download PDFInfo
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- CN218066954U CN218066954U CN202221993021.4U CN202221993021U CN218066954U CN 218066954 U CN218066954 U CN 218066954U CN 202221993021 U CN202221993021 U CN 202221993021U CN 218066954 U CN218066954 U CN 218066954U
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- stewart platform
- skidding
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Abstract
The utility model discloses a six degree of freedom Stewart platform sway device, package bottom plate, the top of bottom plate is provided with the roof, the bottom of roof is provided with the hydraulic stem, the central line of roof and the central line of bottom plate are on same perpendicular, six groups of recesses have been seted up respectively on the bottom of bottom plate and the top of roof, the bottom swing joint of bottom plate has anti-skidding heelpiece. This six degree of freedom Stewart platform sway device is through being provided with the lug, anti-skidding heelpiece and recess, before experimental, with the laminating of anti-skidding heelpiece in the bottom of bottom plate, and insert the lug on anti-skidding heelpiece top inside the recess of bottom plate bottom, thereby fix a position anti-skidding heelpiece, like this at the in-process of the device operation, the anti-skidding heelpiece of bottom can effectual improvement device's stability, prevent that the device vibrations from leading to wholly appearing the precision that the skew influences the experiment, the solution is that the platform is whole to take place easily in service and rocks the problem of skew.
Description
Technical Field
The utility model relates to a device technical field that sways specifically is a device that sways of six degrees of freedom Stewart platform.
Background
When carrying out the vibrations experiment, need use dedicated device of swaing to experiment, stewart platform is exactly one kind and has high degree of freedom, the experimental apparatus of high accuracy, but there are some defects still in the device of swaing of current Stewart platform when carrying out the experiment, the whole easy emergence of platform is rocked and skew in service when carrying out the experiment, influence the precision that detects, and the whole convenient dismantlement and installation that can not be installed of device, comparatively troublesome when leading to the transportation, and the nimble degree in the operation is not enough, can influence holistic degree of freedom, so need the device of swaing of a neotype six degree of freedom Stewart platform now to solve more than not enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device sways of six degrees of freedom Stewart platform to provide the whole problem of rocking and skew that easily takes place in service of platform among the solution above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a swinging device of a six-degree-of-freedom Stewart platform comprises a bottom plate, wherein a top plate is arranged at the top end of the bottom plate, a hydraulic rod is arranged at the bottom end of the top plate, and the center line of the top plate and the center line of the bottom plate are on the same vertical plane;
six groups of grooves are formed in the bottom end of the bottom plate and the top end of the top plate respectively, an anti-skidding bottom cushion is movably connected to the bottom end of the bottom plate, and six groups of convex blocks are fixedly connected to the top end of the anti-skidding bottom cushion.
Preferably, the convex block is movably connected with the groove, and the central line of the anti-skid bottom cushion and the central line of the bottom plate are on the same vertical plane.
Preferably, the top of bottom plate and the bottom of roof are six groups of positioning slot of fixedly connected with respectively, positioning slot's inside swing joint has the screw sleeve, a set of limiting plate of fixedly connected with respectively is distinguished to the telescopic both sides of screw thread, a set of spacing groove has been seted up respectively to the inside both sides of positioning slot, the inside swing joint of recess has fixing bolt, fixing bolt extends to positioning slot's inside and screw sleeve swing joint.
Preferably, the limiting plate is movably connected with the limiting groove, and the central line of the threaded sleeve and the central line of the positioning slot are on the same vertical plane.
Preferably, two ends of the hydraulic rod are respectively and movably connected with a group of connecting sleeves, one end of each connecting sleeve is fixedly connected with two groups of connecting pore plates, and the inside of each connecting pore plate is movably connected with a connecting cross block.
Preferably, the central line of the connecting sleeve and the central line of the connecting cross block are on the same vertical plane.
Compared with the prior art, the beneficial effects of the utility model are that: the swinging device of the six-degree-of-freedom Stewart platform not only prevents the swinging and the deviation of the device, realizes convenient disassembly and assembly, but also improves the flexibility of operation;
(1) By arranging the convex blocks, the anti-skidding bottom cushions and the grooves, before an experiment is carried out, the anti-skidding bottom cushions are attached to the bottom ends of the bottom plates, and the convex blocks at the top ends of the anti-skidding bottom cushions are inserted into the grooves at the bottom ends of the bottom plates, so that the anti-skidding bottom cushions are positioned, the stability of the device can be effectively improved by the anti-skidding bottom cushions at the bottom ends in the running process of the device, the precision of the experiment is influenced by the integral deviation caused by the vibration of the device is prevented, and the stability of the device in the running process is improved;
(2) By arranging the fixing bolts, the grooves, the limiting plates, the positioning slots and the limiting grooves, when the device needs to be transported, after the plurality of groups of fixing bolts are rotated to be separated from the interior of the threaded sleeve, the threaded sleeve is pulled to be separated from the interior of the positioning slot, the hydraulic rod can be detached from the bottom plate and the top plate, so that transportation is convenient, when an experiment needs to be carried out, the threaded sleeve is inserted into the positioning slot, the limiting plates on two sides of the threaded sleeve are attached to the interior of the limiting grooves, so that the threaded sleeve is limited, the fixing bolts are turned into the interiors of the plurality of groups of threaded sleeves, and the threaded sleeve is fixedly installed, so that the convenient detachment and installation are realized;
(3) Through being provided with the connection cross piece, connecting sleeve, the hydraulic stem, threaded sleeve and connection orifice plate, the device is when moving, when starting multiunit hydraulic stem motion in proper order, the connecting sleeve at hydraulic stem both ends passes through the connection orifice plate and connects cross piece and threaded sleeve connection, it can improve the nimble degree of being connected between connecting sleeve and the threaded sleeve to connect the connection orifice plate at cross piece and both ends, thereby improve the degree of freedom when moving, prevent that the device from appearing the card pause in junction when moving, influence the precision of experiment, the flexibility ratio when having realized can improving the device and move.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic view of the bottom cross-section of the top plate of the present invention;
fig. 3 is an enlarged partial cross-sectional view of the utility model at a in fig. 2;
fig. 4 is a schematic view of the top-view structure of the cross-shaped connection block of the present invention.
In the figure: 1. a base plate; 2. a bump; 3. an anti-slip base pad; 4. fixing the bolt; 5. a groove; 6. a cross block is connected; 7. a connecting sleeve; 8. a hydraulic lever; 9. a threaded sleeve; 10. a top plate; 11. a limiting plate; 12. positioning the slot; 13. connecting the pore plates; 14. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: referring to fig. 1-4, the swing device of the six-degree-of-freedom Stewart platform comprises a bottom plate 1, wherein a top plate 10 is arranged at the top end of the bottom plate 1, a hydraulic rod 8 is arranged at the bottom end of the top plate 10, and the center line of the top plate 10 and the center line of the bottom plate 1 are on the same vertical plane;
the bottom end of the bottom plate 1 and the top end of the top plate 10 are respectively provided with six groups of grooves 5, the bottom end of the bottom plate 1 is movably connected with an anti-skidding bottom mat 3, and the top end of the anti-skidding bottom mat 3 is fixedly connected with six groups of convex blocks 2;
the convex block 2 is movably connected with the groove 5, and the central line of the anti-skid bottom pad 3 and the central line of the bottom plate 1 are on the same vertical plane;
specifically, as shown in fig. 1, before carrying out the experiment, laminate anti-skidding heelpiece 3 in the bottom of bottom plate 1 to inside inserting the lug 2 on anti-skidding heelpiece 3 top the recess 5 of bottom plate 1 bottom, thereby fix a position anti-skidding heelpiece 3, like this at the in-process of the device operation, the anti-skidding heelpiece 3 of bottom can effectual improvement device's stability, prevent that the device vibrations from leading to wholly appearing the skew precision that influences the experiment, realized can improving the stability when the device moves.
Example 2: the top end of the bottom plate 1 and the bottom end of the top plate 10 are fixedly connected with six groups of positioning slots 12 respectively, the interior of each positioning slot 12 is movably connected with a threaded sleeve 9, two sides of each threaded sleeve 9 are fixedly connected with a group of limiting plates 11 respectively, two sides of the interior of each positioning slot 12 are provided with a group of limiting grooves 14 respectively, the interior of each groove 5 is movably connected with a fixing bolt 4, and each fixing bolt 4 extends into the corresponding positioning slot 12 and is movably connected with the corresponding threaded sleeve 9;
the limiting plate 11 is movably connected with the limiting groove 14, and the central line of the threaded sleeve 9 and the central line of the positioning slot 12 are on the same vertical plane;
specifically, as shown in fig. 1, fig. 2 and fig. 3, when the device needs to be transported, after rotating multiunit fixing bolt 4 and making it break away from the inside of threaded sleeve 9, pulling threaded sleeve 9 makes its inside that breaks away from positioning slot 12 can pull down hydraulic stem 8 from bottom plate 1 and roof 10, thereby convenient transportation, and when needs are tested, insert positioning slot 12 inside with threaded sleeve 9, and make the limiting plate 11 laminating of threaded sleeve 9 both sides in the inside of spacing groove 14, thereby it is spacing to threaded sleeve 9, and turn over into the inside of multiunit threaded sleeve 9 with fixing bolt 4, install threaded sleeve 9 fixedly, realized dismantling and installing that can be convenient.
Example 3: two ends of the hydraulic rod 8 are respectively movably connected with a group of connecting sleeves 7, one end of each connecting sleeve 7 is fixedly connected with two groups of connecting pore plates 13, and the inside of each connecting pore plate 13 is movably connected with a connecting cross block 6;
the central line of the connecting sleeve 7 and the central line of the connecting cross block 6 are on the same vertical plane;
specifically, as shown in fig. 1 and 4, when the device is operated, when a plurality of groups of hydraulic rods 8 are sequentially started to move, the connecting sleeves 7 at two ends of the hydraulic rods 8 are connected with the threaded sleeves 9 through the connecting pore plates 13 and the connecting cross blocks 6, the connecting cross blocks 6 are connected with the connecting pore plates 13 at two ends, so that the flexibility of connection between the connecting sleeves 7 and the threaded sleeves 9 can be improved, the degree of freedom in operation is improved, the phenomenon that the joints of the device are blocked in operation is prevented, the precision of an experiment is influenced, and the flexibility of the device in operation is improved.
The working principle is as follows: the utility model discloses when using, firstly, before carrying out the experiment, laminate 3 bottom at bottom plate 1 with anti-skidding heelpiece, and insert the lug 2 on 3 tops of anti-skidding heelpiece inside 5 of recess of 1 bottom of bottom plate, thereby fix a position anti-skidding heelpiece 3, in-process at the device operation like this, anti-skidding heelpiece 3 of bottom can effectual improvement device's stability, prevent that the device vibrations from leading to wholly appearing the skew and influencing the precision of experiment, and when the device is in the operation, start the multiunit hydraulic stem 8 when moving in proper order, connecting sleeve 7 at hydraulic stem 8 both ends is connected with screw sleeve 9 through connecting orifice plate 13, connecting orifice plate 13 of cross 6 and both ends is connected and can improve the nimble degree of being connected between connecting sleeve 7 and the screw sleeve 9, thereby improve the degree of freedom when the operation, prevent that the device from appearing the card in the operation junction, influence the precision of experiment, when needing to transport the device, rotate multiunit fixing bolt 4 and make it break away from behind the inside of screw sleeve 9, the inside of fixing bolt that the slot 12 can follow bottom plate and screw thread fixing sleeve 9 and the convenient bolt is inserted on the limiting sleeve 9, thereby the inside the limiting plate 9, thereby the limiting sleeve 9, the inside of the limiting bolt is to the limiting sleeve 9, and the inside of the limiting bolt is carried out the limiting plate of the bolt is carried out on the limiting sleeve 9, thereby, the limiting bolt is to the inside of the bolt mounting slot 14.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a six degrees of freedom Stewart platform's rocking device, includes bottom plate (1), its characterized in that: a top plate (10) is arranged at the top end of the bottom plate (1), a hydraulic rod (8) is arranged at the bottom end of the top plate (10), and the center line of the top plate (10) and the center line of the bottom plate (1) are on the same vertical plane;
six groups of grooves (5) are respectively formed in the bottom end of the bottom plate (1) and the top end of the top plate (10), an anti-skidding bottom pad (3) is movably connected to the bottom end of the bottom plate (1), and six groups of convex blocks (2) are fixedly connected to the top end of the anti-skidding bottom pad (3).
2. The rocking device of a six-degree-of-freedom Stewart platform according to claim 1, wherein: the convex block (2) is movably connected with the groove (5), and the center line of the anti-skidding bottom cushion (3) and the center line of the bottom plate (1) are on the same vertical plane.
3. The rocking device of a six-degree-of-freedom Stewart platform according to claim 1, wherein: the top of bottom plate (1) and the bottom of roof (10) are six fixedly connected with group positioning slot (12) respectively, the inside swing joint of positioning slot (12) has threaded sleeve (9), the both sides of threaded sleeve (9) are a set of limiting plate (11) of fixedly connected with respectively, a set of spacing groove (14) have been seted up respectively to the both sides of positioning slot (12) inside, the inside swing joint of recess (5) has fixing bolt (4), fixing bolt (4) extend to the inside and threaded sleeve (9) swing joint of positioning slot (12).
4. The rocking device of a six-degree-of-freedom Stewart platform according to claim 3, wherein: the limiting plate (11) is movably connected with the limiting groove (14), and the center line of the threaded sleeve (9) and the center line of the positioning slot (12) are on the same vertical plane.
5. The rocking device of a six-degree-of-freedom Stewart platform according to claim 1, wherein: the hydraulic rod is characterized in that two ends of the hydraulic rod (8) are respectively and movably connected with a group of connecting sleeves (7), one end of each connecting sleeve (7) is fixedly connected with two groups of connecting pore plates (13), and the inside of each connecting pore plate (13) is movably connected with a connecting cross block (6).
6. The rocking device of a six-degree-of-freedom Stewart platform according to claim 5, wherein: the central line of the connecting sleeve (7) and the central line of the connecting cross block (6) are on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221993021.4U CN218066954U (en) | 2022-08-01 | 2022-08-01 | Swinging device of six-degree-of-freedom Stewart platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221993021.4U CN218066954U (en) | 2022-08-01 | 2022-08-01 | Swinging device of six-degree-of-freedom Stewart platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218066954U true CN218066954U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221993021.4U Active CN218066954U (en) | 2022-08-01 | 2022-08-01 | Swinging device of six-degree-of-freedom Stewart platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218066954U (en) |
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2022
- 2022-08-01 CN CN202221993021.4U patent/CN218066954U/en active Active
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