CN212716080U - Translation and rotatable stage mechanical device - Google Patents
Translation and rotatable stage mechanical device Download PDFInfo
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- CN212716080U CN212716080U CN202021032395.0U CN202021032395U CN212716080U CN 212716080 U CN212716080 U CN 212716080U CN 202021032395 U CN202021032395 U CN 202021032395U CN 212716080 U CN212716080 U CN 212716080U
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Abstract
The utility model relates to a translational and rotatable stage mechanical device, which comprises a frame and a stage plate at the top of the frame, wherein the frame is provided with a rotary driving mechanism for driving the stage plate to rotate relative to the frame, the frame is provided with a plurality of universal ball bearings arranged around the frame in a circle, the bottom of the frame is provided with a support frame positioned outside the rotary driving mechanism, the bottom of the support frame is respectively provided with at least two ball nuts and guide sleeves positioned at two sides of the rotary driving mechanism, the ball nuts at the same side are provided with screw rods used in a matching way, the guide sleeves at the same side are internally provided with guide rods which are in sliding fit and parallel to the screw rods, the end parts of the screw rods and the guide rods are provided with mounting seats, the rolling friction between the universal ball bearings and the bottom of the stage plate is reduced, so as to reduce the energy consumption and the loss of a rotary motor, the ball nuts, the operation is stable and reliable, and various stage performance or display requirements are met.
Description
Technical Field
The utility model relates to a translation and rotatable formula stage mechanical device belongs to stage mechanical equipment technical field.
Background
The stage plays an important role in society as a vector for artistic expression, and various stage machines are generated along with the stage as required for stage performance or display, wherein the stage with a rotating function is an indispensable part in the modern stage. The revolving stage in the prior art generally adopts a rotary driving mechanism fixed on a rack such as a rotary motor to drive the stage and the rack to rotate relatively, so that performers on the stage or display objects can rotate and change the orientation under the condition that the performers or the display objects are not moved, the exhibition of the objects in different directions is performed, the performance forms of the stage are enriched or the objects are displayed without dead angles, and when the overall display space of the stage is limited or the stage needs to be translated to face the spectators in different positions, the stage with a single rotating function can not meet the requirements.
Because the rotary driving mechanism is generally arranged in the center of the stage to play a role in coaxially supporting and rotating, the surface friction between the stage and the rack is increased, or the supporting force at the edge of the stage is insufficient when the contact area is reduced, so that the operation risk exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a translation and rotatable formula stage mechanical device, simplify structure, reduce the control degree of difficulty, both can realize that the stage board is rotatory and can realize the stage board translation again, the operation is reliable and stable, satisfies multiple stage performance or show demand.
The utility model discloses a realize through following technical scheme:
a translational and rotatable stage mechanical device comprises a rack and a stage plate at the top of the rack, wherein a rotary driving mechanism for driving the stage plate to rotate relative to the rack is arranged on the rack, the rotary driving mechanism is a rotary motor, the rotary motor is connected with the bottom of the rack, a through hole is formed in the rack, a motor shaft of the rotary motor penetrates through the through hole, and a flange plate is arranged between the rotary motor and the stage plate;
the bottom of the stage plate is provided with a first convex ring which is concentric with the through hole, the top of the frame is provided with a concave ring and a second convex ring which is in clearance fit with the inner wall of the first convex ring, and the concave ring is internally provided with a self-aligning ball bearing of which the inner wall is in clearance fit with the outer wall of the first convex ring;
the frame is provided with a plurality of universal ball bearings arranged around the frame in a circle, the tops of ball heads of the universal ball bearings are in rolling fit with the bottom of the stage plate, the bottom of the frame is provided with a support frame which is positioned outside the rotary driving mechanism and connected with the frame, and the bottoms of the support frame are respectively positioned on at least two ball nuts and guide sleeves at two sides of the rotary driving mechanism;
the support frame comprises four support columns connected with the rack and a cross rod vertically connected with the adjacent support columns, and connecting bolts are arranged between the support columns and the rack and between the tops of the ball nuts and the guide sleeves and the support columns;
the ball nut of homonymy is equipped with the lead screw that the cooperation was used, and the uide bar that sliding fit and be on a parallel with the lead screw is equipped with inside the uide bushing of homonymy, lead screw and uide bar tip all are equipped with the mount pad, be equipped with the lead screw motor who links to each other with the lead screw on the mount pad.
The utility model has the advantages that:
(1) the universal ball bearing on the rack forms powerful support for the stage plate, particularly the edge of the stage plate in the rotating process, and meanwhile, the friction resistance is reduced through the rolling friction between the universal ball bearing and the bottom of the stage plate, so that the energy consumption and the loss of a rotating motor are reduced, and the support load is stable in the rotating process of the stage plate;
(2) the support frame is stable to frame and stage board overall support, for rotating electrical machines's installation stepping down reduces size space, guarantee ball nut and uide bushing linkage synchronous operation, screw motor drive lead screw is rotatory to drive two at least ball nuts and the cooperation of lead screw, become linear motion with the rotation under the sliding fit effect of uide bushing and guide bar, realize stage board and the whole stable translation of frame under the supporting role of guide bar and lead screw, the simplified structure, reduce the control degree of difficulty, both can realize stage board rotation and can realize stage board translation, the operation is reliable and stable, multiple stage performance or show demand are satisfied.
Drawings
Fig. 1 is a top perspective view of the present invention.
Fig. 2 is a bottom perspective view of the present invention.
Fig. 3 is a side view of the structure of the present invention.
Fig. 4 is a cross-sectional view in the direction AA of fig. 3.
The labels in the figure are: the device comprises a rack 1, a stage plate 2, a rotating motor 3, a through hole 4, a flange plate 5, a first convex ring 6, a concave ring 7, a second convex ring 8, a self-aligning ball bearing 9, a universal ball bearing 10, a support frame 11, a ball nut 12, a guide sleeve 13, a support column 111, a cross rod 112, a connecting bolt 14, a lead screw 15, a guide rod 16, a mounting seat 17, a lead screw motor 18, a mounting plate 19 and a waist-shaped mounting hole 20.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A translational and rotatable stage mechanical device comprises a rack 1 and a stage plate 2 at the top of the rack 1, wherein a rotary driving mechanism for driving the stage plate 2 to rotate relative to the rack 1 is arranged on the rack 1, the rotary driving mechanism is a rotary motor 3, the rotary motor 3 is connected with the bottom of the rack 1, a through hole 4 is formed in the rack 1, and a flange 5 is arranged between a motor shaft of the rotary motor 3 and the stage plate 2 and penetrates through the through hole 4;
a first convex ring 6 which is arranged concentrically with the through hole 4 is arranged at the bottom of the stage plate 2, a concave ring 7 and a second convex ring 8 which is in clearance fit with the inner wall of the first convex ring 6 are arranged at the top of the frame 1, and a self-aligning ball bearing 9 of which the inner wall is in clearance fit with the outer wall of the first convex ring 6 is arranged in the concave ring 7;
the machine frame 1 is provided with a plurality of universal ball bearings 10 arranged around the machine frame 1 in a circle, the tops of the ball heads of the universal ball bearings 10 are in rolling fit with the bottom of the stage plate 2, the bottom of the machine frame 1 is provided with a support frame 11 which is positioned outside the rotary driving mechanism and connected with the machine frame 1, and the bottoms of the support frame 11 are respectively positioned on at least two ball nuts 12 and guide sleeves 13 at two sides of the rotary driving mechanism;
the support frame 11 comprises four support columns 111 connected with the rack 1 and a cross bar 112 vertically connected with the adjacent support columns 111, and connecting bolts 14 are arranged between the support columns 111 and the rack 1 and between the tops of the ball nuts 12 and the guide sleeves 13 and the support columns 111;
the ball nuts 12 on the same side are provided with lead screws 15 used in a matched manner, the guide sleeves 13 on the same side are internally provided with guide rods 16 which are in sliding fit and parallel to the lead screws 15, the end parts of the lead screws 15 and the guide rods 16 are provided with mounting seats 17, and the mounting seats 17 are provided with lead screw motors 18 connected with the lead screws 15;
the mounting seat 17 is of a U-shaped structure, a mounting plate 19 vertically connected with the mounting seat 17 is arranged at the bottom of the side of the mounting seat 17, and a plurality of waist-shaped mounting holes 20 are formed in the mounting plate 19.
The utility model discloses a theory of operation does:
the mounting seat 17 of the stage machine is fixedly mounted below the performance place through a plurality of waist-shaped mounting holes 20 on the mounting plate 19, the mounting seat 17 of the U-shaped structure is convenient to limit and mount to ensure reliable connection, the stage plate 2 is embedded into the frame 1 to be quickly positioned through the limit matching of the first convex ring 6 at the bottom and the second convex ring 8 of the frame 1, and the self-aligning ball bearing 9 in the concave ring 7 is used for supporting and aligning to ensure that the relative rotation, the concentricity and the support are stable in rotation;
the rotary driving mechanism adopts a rotary motor 3, the rotary driving mechanism is connected with the stage plate 2 through a flange 5 and a motor shaft of the rotary motor 3 to drive the stage plate 2 to rotate, a universal ball bearing 10 on the rack 1 forms powerful support for the stage plate 2, particularly the edge of the stage plate 2, and friction resistance is reduced through rolling friction between the universal ball bearing 10 and the bottom of the stage plate 2, so that energy consumption and loss of the rotary motor 3 are reduced, and the support load is stable in the rotating process of the stage plate 2;
the stage plate 2 can also realize translation to meet the requirements of stage performance or display besides the rotating function, the support frame 11 and the rack 1, and the ball nut 12 and the guide sleeve 13 and the support frame 11 are detachably connected through bolts so as to be installed or replaced quickly, the support frame 11 adopts a support column 111 and a cross rod 112 structure, so that the support is stable in support, the size space is reduced for installation and abdication of the rotating motor 3, and meanwhile, the support frame 11 integrally ensures linkage synchronous operation of the ball nut 12 and the guide sleeve 13;
when the stage plate 2 and the rack 1 integrally translate, the lead screw 15 is driven to rotate on the mounting seat 17 through the lead screw motor 18, at least two ball nuts 12 are driven to be in threaded fit with the lead screw 15, the rotation is changed into linear motion under the sliding fit action of the guide sleeve 13 and the guide rod 16, and the stable translation of the stage plate 2 and the rack 1 integrally under the supporting action of the guide rod 16 and the lead screw is realized;
set up lead screw 15 and guide bar 16 length according to the translation distance demand, the especially long distance translation stage performance demand of adaptation only needs a lead screw motor 18 can realize support and the direction translation drive under the rotary driving mechanism abdicating, the concrete surface shape and the size of frame 1 can set up according to the stage demand, mechanical structure has been simplified, reduce the control degree of difficulty, both can realize that stage board 2 is rotatory and can realize stage board 2 translations, the operation is reliable and stable, satisfy multiple stage performance or show demand.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A translational and rotatable stage mechanical device comprises a rack and a stage plate at the top of the rack, wherein a rotary driving mechanism for driving the stage plate to rotate relative to the rack is arranged on the rack;
the ball nut of homonymy is equipped with the lead screw that the cooperation was used, and the uide bar that sliding fit and be on a parallel with the lead screw is equipped with inside the uide bushing of homonymy, lead screw and uide bar tip all are equipped with the mount pad, be equipped with the lead screw motor who links to each other with the lead screw on the mount pad.
2. The stage mechanical device as claimed in claim 1, wherein the rotary driving mechanism is a rotary motor, the rotary motor is connected to a bottom of the frame, the frame is provided with a through hole, a motor shaft of the rotary motor passes through the through hole, and a flange is provided between the rotary motor and the stage plate.
3. A stage mechanical device with translation and rotation functions as claimed in claim 2, wherein the stage plate is provided with a first convex ring concentrically arranged with the through hole at the bottom, the frame is provided with a concave ring and a second convex ring in clearance fit with the inner wall of the first convex ring at the top, and a self-aligning ball bearing with an inner wall in clearance fit with the outer wall of the first convex ring is arranged in the concave ring.
4. The stage mechanical device with translation and rotation function according to claim 1, wherein the supporting frame comprises four supporting columns connected with the frame and a cross bar vertically connected with the adjacent supporting column, and connecting bolts are arranged between the supporting columns and the frame and between the ball nut and the top of the guiding sleeve and the supporting columns.
5. A stage mechanical device capable of translating and rotating according to any one of claims 1 to 4, wherein the mounting base is of a U-shaped structure, the side bottom of the mounting base is provided with a mounting plate vertically connected with the mounting base, and the mounting plate is provided with a plurality of waist-shaped mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032395.0U CN212716080U (en) | 2020-06-08 | 2020-06-08 | Translation and rotatable stage mechanical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032395.0U CN212716080U (en) | 2020-06-08 | 2020-06-08 | Translation and rotatable stage mechanical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212716080U true CN212716080U (en) | 2021-03-16 |
Family
ID=74949658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021032395.0U Active CN212716080U (en) | 2020-06-08 | 2020-06-08 | Translation and rotatable stage mechanical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212716080U (en) |
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2020
- 2020-06-08 CN CN202021032395.0U patent/CN212716080U/en active Active
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