CN211324092U - Horizontal single-degree-of-freedom rotating platform - Google Patents
Horizontal single-degree-of-freedom rotating platform Download PDFInfo
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- CN211324092U CN211324092U CN201921490848.1U CN201921490848U CN211324092U CN 211324092 U CN211324092 U CN 211324092U CN 201921490848 U CN201921490848 U CN 201921490848U CN 211324092 U CN211324092 U CN 211324092U
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- reducer assembly
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Abstract
The utility model discloses a horizontal single-degree-of-freedom rotary platform, which comprises a bottom plate, a stand column assembly, a rotary bearing, a rotary disc, a speed reducer assembly and a motor, wherein the stand column assembly comprises a stand column flange fixed on the top of the bottom plate, a stand column arranged on the top of the stand column flange and a mounting plate sleeved and fixed on the top of the stand column, the top of the mounting plate is provided with a cushion block, when the rotary disc rotates, the rotating speed of the motor is reduced and the output torque of the motor is improved through the speed reducer component, and the output torque of the motor is improved again through the meshing transmission of the gear and the rotary bearing, so that the rotating disc has large torque and low rotating speed when being started to rotate, when the displayed articles are driven to rotate and simulate, the rotating disc is supported through the rotary bearing, the axial load and the radial load of the rotating disc are borne, the rotating disc is prevented from inclining in the rotating process, and the rotating stability of the rotating disc is improved.
Description
Technical Field
The utility model relates to a degree of freedom platform technical field specifically is a horizontal single degree of freedom rotary platform.
Background
With the development of science and technology, the rotary platform is widely applied to our lives. Most of the rotating platforms are used for exhibition of artware, automobiles and other products and experience of simulation entertainment equipment, and the rotation of three hundred sixty degrees can bring the best experience to people.
For example, chinese patent application No. CN201721141712.0 discloses a rotatable dustproof leather shoe display cabinet, which is connected to a rotary disc through an output shaft (main shaft) of a motor, when the motor is powered on, the output shaft rotates to drive the rotary disc to rotate, and further drive a display box on the rotary disc to rotate, so as to rotatably display leather shoes in the display box, however, the above-mentioned transmission method still has problems, when a relatively heavy display product is placed on the rotary disc, because the display product is relatively heavy, when the motor drives the rotary disc to rotate to rotatably display the display product, the motor needs a large torque to start, so that the rotating speed of the motor is high when the motor rotates, the rotating disc drives the display product to rotate too fast, so that the participant cannot see the article, and because the rotary disc is directly driven to rotate by the output shaft of the motor, when the rotary disc rotates at a high speed and bears the relatively heavy display product for a long time, the turn disc is prone to tilt, resulting in poor rotational stability of the turn disc.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing a horizontal single degree of freedom rotary platform improves platform pivoted stability.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a horizontal single degree of freedom rotating platform, comprising: a base plate; the upright post assembly comprises an upright post flange fixed at the top of the bottom plate, an upright post arranged at the top of the upright post flange and a mounting plate sleeved and fixed at the top of the upright post, and a cushion block is arranged at the top of the mounting plate; a slew bearing having an inner race fixed to the top of the spacer separate from the top of the mounting plate and an outer race that rotates about the inner race; the rotating disc is arranged at the top of the outer ring and synchronously rotates along with the outer ring, and the rotary bearing bears axial and radial loads of the rotating disc when the rotating disc rotates; the speed reducer assembly is arranged at the bottom of the mounting plate, an output shaft of the speed reducer assembly penetrates through the top of the mounting plate, a gear is sleeved and fixed, and the gear is meshed with the tooth part of the outer ring to drive the outer ring to rotate around the inner ring; the motor is arranged at the top of the bottom plate, an output shaft of the motor is connected with the speed reducer assembly, and the motor drives a gear in the speed reducer assembly to transmit, so that the output rotating speed of the motor is reduced, and the output torque of the motor is improved.
As an optimal solution of horizontal single degree of freedom rotary platform, wherein, the stand flange with between the stand with all be provided with the strengthening rib between the mounting panel.
As a preferable scheme of the horizontal single-degree-of-freedom rotary platform of the present invention, a washer is sleeved and fixed on an outer wall of an output shaft of the speed reducer assembly, and a bottom of the washer is in surface contact with a front end cover of the speed reducer assembly; a stop block is fixed at the top of an output shaft of the speed reducer assembly; the gear is located between the washer and the stopper, and the distance between the washer and the stopper is equal to the height of the gear.
As an optimal solution of horizontal single degree of freedom rotary platform, wherein, the gear with the packing ring all with the output shaft key-type connection of speed reducer subassembly.
As a preferred solution of the horizontal single-degree-of-freedom rotating platform of the present invention, an elliptical hole is formed at the top of the mounting plate; the front end cover of the speed reducer assembly is provided with a round hole, a bolt is inserted into the round hole, the bolt penetrates through the top of the elliptical hole and is locked through a nut, and the speed reducer assembly is fixed to the bottom of the mounting plate.
As a preferable solution of the horizontal single-degree-of-freedom rotary platform of the present invention, wherein the diameter of the elliptical hole is larger than the diameter of the bolt; the bottom of mounting panel is provided with the rectangular block, the rectangular block is kept away from a side knob of speed reducer subassembly sets up the screw rod, the screw rod is followed the another side of rectangular block stretches out, and with the contact of speed reducer subassembly.
Compared with the prior art: the utility model discloses when the rolling disc is rotatory, reduce the rotational speed of motor and improve the output torque of motor through the speed reducer subassembly, and through gear and slewing bearing meshing transmission, improve the output torque of motor once more, make the rolling disc when the start-up is rotatory, and the moment of torsion is big, the rotational speed is low, take the rotatory and simulation in-process of animal article, support the rolling disc through the slewing bearing, bear the axial and the radial load of rolling disc, avoid the rolling disc to take place to incline at the pivoted in-process, improve pivoted stability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic view of the overall structure of a first embodiment of a horizontal single degree of freedom rotary platform according to the present invention;
FIG. 2 is a schematic view of the installation structure of the column assembly and the rotary bearing in FIG. 1 of the horizontal single degree of freedom rotary platform of the present invention;
FIG. 3 is a schematic view of a part of a second embodiment of the horizontal single-degree-of-freedom rotary platform according to the present invention;
FIG. 4 is a schematic view of a part of a third embodiment of the horizontal single-degree-of-freedom rotary platform according to the present invention;
fig. 5 is a schematic view of the mounting plate structure of the horizontal single-degree-of-freedom rotating platform of the present invention shown in fig. 4.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Fig. 1 is a schematic view of an overall structure of a first embodiment of the horizontal single-degree-of-freedom rotary platform of the present invention, referring to fig. 1, the horizontal single-degree-of-freedom rotary platform of the present embodiment includes: base plate 100, upright assembly 200, slew bearing 300, rolling disc 400, reducer assembly 500 and motor 600. The motor 600 and the speed reducer assembly 500 constitute a basic power unit for outputting a constant torque, ensuring the stability of the rotation of the platform, facilitating viewing and improving the display effect when applied to, for example, article display and simulation.
Referring to fig. 1, the base plate 100 is fixed to the ground or other support platform for supporting the mounting post assembly 200 and the motor 600.
The shaft assembly 200 is fixed on the top of the base plate 100, and is used for supporting and mounting the slewing bearing 300 and the speed reducer assembly 500, please refer to fig. 2 together, the shaft assembly 200 includes a shaft flange 210, a shaft 220 and a mounting plate 230, the shaft flange 210 is fixedly arranged on the top of the base plate 100, the shaft 220 is arranged on the top of the shaft flange 210, the mounting plate 230 is sleeved and fixed on the top of the shaft 220, and is used for mounting the speed reducer assembly 500, the top of the mounting plate 230 has a spacer 230a, the spacer 230a is used for supporting and mounting the inner ring 310 on the slewing bearing 300, so that when the outer ring 320 of the slewing bearing 300 rotates around the inner ring 310, the bottom does not rub against the top of the mounting plate 230.
Referring to fig. 2 again, the slewing bearing 300 is used for driving the rotating disc 400 to rotate, and the slewing bearing 300 is provided with an inner ring 310 and an outer ring 320, the inner ring 310 is fixed on the top of the cushion block 230a and separated from the top of the mounting plate 230, the outer ring 320 is used for mounting the rotating disc 400 and is engaged with a gear 510 on the speed reducer assembly 500, the outer ring 320 can rotate around the inner ring 310, the slewing bearing is preferably a double-row ball slewing bearing, and as the upper and lower circular arc raceways of the double-row ball slewing bearing are ninety degrees, the double-row ball slewing bearing can bear large axial and radial loads, when the slewing bearing 300 bears the rotating disc 400 to rotate, the axial and radial loads of the rotating disc 400 are borne.
The rotating disc 400 is arranged on the top of the outer ring 320 and is linked with the outer ring 320, and the top of the rotating disc 400 is used for placing objects to be displayed.
The speed reducer assembly 500 is disposed at the bottom of the mounting plate 230, an output shaft of the speed reducer assembly 500 penetrates through the top of the mounting plate 230, a gear 510 is sleeved and fixed on the output shaft, the gear 510 is engaged with the teeth of the outer ring 320, and when the gear 510 on the speed reducer assembly 500 rotates, the gear 510 drives the outer ring 320 to rotate around the inner ring 310.
The motor 600 is disposed on the top of the base plate 100, and an output shaft of the motor 600 is connected to the speed reducer assembly 500 to drive a gear in the speed reducer assembly 500, so as to reduce an output rotation speed of the motor 600 and increase an output torque of the motor 600.
The reinforcing ribs 700 are respectively arranged between the upright flange 210 and the upright 220 and between the upright 220 and the mounting plate 230, and are used for improving the mounting stability of the upright flange 210 and the upright 220 and the mounting plate 230.
With reference to fig. 1-2, the horizontal single-degree-of-freedom rotating platform of the present embodiment specifically works as follows: the staff energizes the motor 600, the output shaft of the motor 600 drives the speed reducer assembly 500 to operate at this time, the speed reducer assembly 500 reduces the rotating speed output to the output shaft of the motor 600 through the internal gear transmission and improves the output torque to be output to the gear 510 through the output shaft rotation of the speed reducer assembly 500, the gear 510 drives the outer ring 320 on the slewing bearing 300 to rotate around the inner ring 310, and then the outer ring 320 drives the rotating disc 400 to rotate at a low speed, the display object placed on the rotating disc 400 is rotatably displayed, in the rotating process of the rotating disc 400, the outer ring 320 of the slewing bearing 300 supports the rotating disc 400 and bears the axial and radial loads of the rotating disc 400, the rotating disc 400 is prevented from inclining in the rotating process, and the rotation stability of the rotating disc 400 is improved.
Fig. 3 is a partial schematic structural view of a second embodiment of the horizontal single-degree-of-freedom rotary platform of the present invention, please refer to fig. 3, which is different from the above embodiments in that a washer 520 is disposed and fixed on an outer wall of an output shaft of a speed reducer assembly 500, a bottom of the washer 520 is in surface contact with a front end of the speed reducer assembly 500, a stopper 530 is fixed on a top of the output shaft of the speed reducer assembly 500, a gear 510 is disposed between the washer 520 and the stopper 530, and a distance between the washer 520 and the stopper 530 is equal to a height of the gear 510, the gear 510 and the washer 520 are in key connection with the output shaft of the speed reducer assembly 500, since the gear 510 is disposed between the washer 520 and the stopper 530, and a bottom of the washer 520 is in surface contact with the front end of the speed reducer assembly 500, when the gear 510 is driven to rotate by the output shaft of the speed reducer assembly 500, avoid gear 510 to take place the stability of vertical drive, simultaneously because gear 510 and packing ring 520 all are connected with the output shaft key of speed reducer subassembly 500, when avoiding the output shaft of speed reducer subassembly 500 to drive gear 510 and packing ring 520 to rotate, take place relative pivoted problem.
Fig. 4-5 are partial schematic structural diagrams of a third embodiment of the horizontal single-degree-of-freedom rotary platform of the present invention and a schematic structural diagram of a mounting plate 230 of the embodiment, please refer to fig. 4-5, different from the above embodiments, an elliptical hole 230b is formed at the top of the mounting plate 230, a circular hole is formed at a front end cover of a speed reducer assembly 500, a bolt (not shown in the drawings) is inserted into the circular hole, the bolt penetrates to the top of the elliptical hole 230b and is locked by a nut, the speed reducer assembly 500 is fixed at the bottom of the mounting plate 230, the diameter of the elliptical hole 230b is larger than that of the bolt, a rectangular block 800 is arranged at the bottom of the mounting plate 230, a screw 900 is arranged on a side knob of the rectangular block 800 away from the speed reducer assembly 500, the screw 900 extends from the other side of the rectangular block 800 and contacts with the speed reducer assembly 500, because, after the speed reducer assembly 500 is mounted on the mounting plate 230 by the bolts, the circular hole of the front end cover of the speed reducer assembly 500, and the elliptical hole 230b, the speed reducer assembly 500 can move along the elliptical hole 230 b.
Therefore, when the distance between the gear 510 and the outer ring 320 on the slewing bearing 300 needs to be adjusted to enable the gear 510 and the outer ring 320 to achieve the optimal meshing effect, a worker can turn the screw 900 down from the rectangular block 800, then adjust the position of the speed reducer assembly 500 to enable the gear 510 and the outer ring 320 to achieve the optimal meshing effect, then turn the screw 900 onto the rectangular block 800, and enable the end of the screw 900 to abut against the shell of the speed reducer assembly 500 to prevent the speed reducer assembly 500 from moving.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A horizontal single degree of freedom rotating platform, comprising:
a base plate;
the upright post assembly comprises an upright post flange fixed at the top of the bottom plate, an upright post arranged at the top of the upright post flange and a mounting plate sleeved and fixed at the top of the upright post, and a cushion block is arranged at the top of the mounting plate;
a slew bearing having an inner race fixed to the top of the spacer separate from the top of the mounting plate and an outer race that rotates about the inner race;
the rotating disc is arranged at the top of the outer ring and synchronously rotates along with the outer ring, and the rotary bearing bears axial and radial loads of the rotating disc when the rotating disc rotates;
the speed reducer assembly is arranged at the bottom of the mounting plate, an output shaft of the speed reducer assembly penetrates through the top of the mounting plate, a gear is sleeved and fixed, and the gear is meshed with the tooth part of the outer ring to drive the outer ring to rotate around the inner ring;
the motor is arranged at the top of the bottom plate, an output shaft of the motor is connected with the speed reducer assembly, and the motor drives a gear in the speed reducer assembly to transmit, so that the output rotating speed of the motor is reduced, and the output torque of the motor is improved;
the outer wall of the output shaft of the speed reducer assembly is sleeved with and fixed with a gasket, and the bottom of the gasket is in surface contact with the front end cover of the speed reducer assembly; a stop block is fixed at the top of an output shaft of the speed reducer assembly;
the gear is located between the washer and the stopper, and the distance between the washer and the stopper is equal to the height of the gear.
2. The horizontal single degree of freedom rotary platform of claim 1, wherein reinforcing ribs are disposed between the column flange and the column, and between the column and the mounting plate.
3. The horizontal single degree of freedom rotary platform of claim 1 in which the gear and the washer are both keyed to an output shaft of the speed reducer assembly.
4. The horizontal single degree of freedom rotary platform of claim 1, wherein the top of the mounting plate is provided with an elliptical hole;
the front end cover of the speed reducer assembly is provided with a round hole, a bolt is inserted into the round hole, the bolt penetrates through the top of the elliptical hole and is locked through a nut, and the speed reducer assembly is fixed to the bottom of the mounting plate.
5. The horizontal single degree of freedom rotary platform of claim 4, wherein the elliptical hole has a larger diameter than the diameter of the bolt;
the bottom of mounting panel is provided with the rectangular block, the rectangular block is kept away from a side knob of speed reducer subassembly sets up the screw rod, the screw rod is followed the another side of rectangular block stretches out, and with the contact of speed reducer subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921490848.1U CN211324092U (en) | 2019-09-09 | 2019-09-09 | Horizontal single-degree-of-freedom rotating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921490848.1U CN211324092U (en) | 2019-09-09 | 2019-09-09 | Horizontal single-degree-of-freedom rotating platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211324092U true CN211324092U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921490848.1U Active CN211324092U (en) | 2019-09-09 | 2019-09-09 | Horizontal single-degree-of-freedom rotating platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211324092U (en) |
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2019
- 2019-09-09 CN CN201921490848.1U patent/CN211324092U/en active Active
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