CN209965881U - Rotary turntable driven by friction at side part of track - Google Patents
Rotary turntable driven by friction at side part of track Download PDFInfo
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- CN209965881U CN209965881U CN201822215685.8U CN201822215685U CN209965881U CN 209965881 U CN209965881 U CN 209965881U CN 201822215685 U CN201822215685 U CN 201822215685U CN 209965881 U CN209965881 U CN 209965881U
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- turntable
- friction
- rotary
- driving device
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Abstract
The utility model relates to a rotatory revolving stage of track lateral part friction drive. The rotary table is arranged on the upper portion of the central shaft, the base is arranged at the bottom of the central shaft, the panel is arranged on the upper portion of the rotary table, a track is arranged on the outer ring of the base, a friction wheel is connected to an output shaft of the rotary driving device, the friction wheel is in contact with the lateral portion of the track, an elastic pressing device is arranged on the friction wheel, and the elastic pressing device is pressed on the lateral portion of the track under the pulling of an extension spring. The utility model is suitable for a large-size rotary table; gravity does not need to be applied to the upper parts of the rotary driving device and the friction wheel, and the weight placing position on the rotary table does not need to be limited.
Description
Technical Field
The utility model relates to a rotatory revolving stage technical field, concretely relates to rotatory revolving stage of track lateral part friction drive.
Background
The rotary turntable is mostly driven by pin teeth, a rotary motor is connected to the turntable and drives a driving gear to rotate, the driving gear is meshed with a fixed gear wheel, and the turntable is driven to rotate in the rotation process of the driving gear. The rotary turntable driven by the pin teeth is high in installation accuracy, a driving gear and a large gear need to be precisely meshed, and the rotary turntable is not dislocated in the rotary driving process and is not suitable for occasions requiring high efficiency and simple installation in exhibitions.
For the friction driving rotary turntable, the friction wheel is placed at the upper part of the rail, the friction wheel only needs to be placed on the rail, the friction wheel rotates under the friction force to drive the turntable to rotate, the building is simple, the assembly efficiency is high, but a panel above the rotary driving device needs to release a heavy object, the heavy object load presses the rotary driving device downwards, friction is generated between the friction wheel and the guide rail, the friction wheel rotates to drive the turntable to rotate, and therefore the friction driving rotary turntable at the upper part of the rail is only suitable for the small-diameter turntable. For the large-diameter rotary table, because the rotary table is large in size, if a heavy object is placed above the rotary driving device, the center of gravity is not in the center of the rotary table, and the rotary table is eccentric in the rotating process; if the heavy object is placed in the center of the rotary table, gravity is difficult to apply above the rotary driving device due to the large size of the rotary table, the friction force between the friction wheel and the track is small, and the friction wheel cannot rotate.
Disclosure of Invention
An object of the utility model is to solve above-mentioned problem, provide a rotatory revolving stage of track lateral part friction drive, it is applicable to the rotatory revolving stage of jumbo size.
In order to solve the above problem, the utility model discloses a technical scheme as follows:
the utility model provides a rotatory revolving stage of track lateral part friction drive, a serial communication port, which comprises a pane, the revolving stage, a pedestal, the center pin, rotary driving device, the revolving stage sets up in center pin upper portion, the base sets up in the center pin bottom, revolving stage upper portion is located to the panel, be connected through the rotation bearing between revolving stage and the center pin, the base outer lane is equipped with the track, be equipped with the walking wheel between revolving stage and the base, the revolving stage bottom is located to the walking wheel, walking wheel bottom contact track, rotary driving device is gear motor, rotary driving device and revolving stage fixed pin are connected, connect the friction pulley on the rotary driving device output shaft, friction pulley and the contact of.
The elastic pressing device comprises a connecting plate, an extension spring and a shaft pin rotating shaft, the rotary driving device is arranged above the connecting plate, an output shaft of the rotary driving device penetrates through the connecting plate, the friction wheel is arranged at the bottom of the connecting plate, one end of a side plate of the connecting plate is connected with the rotary table through the shaft pin rotating shaft, the other end of the side plate of the connecting plate is connected with the rotary table through the extension spring, and the extension spring is perpendicular to the side plate of the connecting.
The rail is supported by the heightening bolt between the rail and the base, the top of the heightening bolt is connected with the rail, and the screw rod of the heightening bolt is connected with the base through the threaded hole.
Compared with the prior art, the utility model discloses favourable effect does:
(1) the utility model has the advantages that under the extrusion of the elastic pressing device, the rotary driving device generates friction with the side part of the track, and no load is applied above the rotary driving device to generate friction, so that the rotary driving device is suitable for large-size rotary tables;
(2) the utility model does not need to apply gravity on the upper parts of the rotary driving device and the friction wheel, and does not need to limit the position for placing heavy objects on the rotary table;
(3) the utility model discloses build simply, be applicable to the place that needs build fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, 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 creative efforts.
FIG. 1 is a top view of a rail side friction drive rotary turret;
FIG. 2 is a cross-sectional view of a rail side friction drive rotary turret;
fig. 3 is a schematic structural view of the elastic pressing device of the present invention;
description of reference numerals: the device comprises a panel-1, a rotary table-2, a travelling wheel-21, a rotary table fixing plate-22, a base-3, a track-31, a central shaft-4, a rotary driving device-5, a friction wheel-61, a connecting plate-71, an extension spring-72, a shaft pin rotating shaft-73, a height adjusting bolt-8 and an electric slip ring-9.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to the description, fig. 1 and fig. 2 are shown; the utility model provides a rotatory revolving stage of track lateral part friction drive, including panel 1, revolving stage 2, base 3, center pin 4, rotary driving device 5, revolving stage 2 sets up in 4 upper portions of center pin, base 3 sets up in 4 bottoms of center pin, 2 upper portions of revolving stage are located to panel 1, be connected through the rotation bearing between revolving stage 2 and the center pin 4, 3 outer lanes of base are equipped with the track, be equipped with walking wheel 21 between revolving stage 2 and the base 3, walking wheel 21 locates 2 bottoms of revolving stage, walking wheel 21 bottom contact track 31, rotary driving device 5 is gear motor, the last electric slip ring 9 that is equipped with of swivel bearing, electric slip ring 9 is the gear motor power supply, rotary driving device 5 is connected with the revolving stage fixed pin, connect friction pulley 61 on the rotary driving device output shaft, friction pulley 61 and the contact of track 31 lateral.
For the friction driving rotary turntable at the side part of the track, the requirement on the pressing force between the friction wheel and the track is high, the pressing force is too high, the friction wheel does not rotate, the turntable does not rotate, the pressing force is too low, and the friction wheel idles and cannot drive the turntable to rotate. The elastic pressing device comprises a connecting plate 71, an extension spring 72 and a shaft pin rotating shaft 73, the rotary driving device 5 is arranged above the connecting plate 71, an outer cover of the rotary driving device 5 is fixedly connected with the connecting plate 71 through bolts, an output shaft of the rotary driving device penetrates through the connecting plate 71, the output shaft of the rotary driving device is connected with the connecting plate through a supporting bearing, the supporting bearing plays a role in supporting and reducing friction for the output shaft of the rotary driving device, the friction wheel 61 is arranged at the bottom of the connecting plate 71, one end of a side plate of the connecting plate 71 is connected with the turntable 2 through the shaft pin rotating shaft 73, the other end of the side plate of the connecting plate 71 is connected with the turntable fixing. The friction wheel 61 is rotated around the pivot shaft 73 by the pulling of the tension spring 72 and pressed against the side of the rail 31.
Referring to the attached figure 3 of the specification, the front part of the connecting plate connects the rotation driving device and the friction wheel with the rotary table through the shaft pin rotating shaft, the side part of the friction wheel is in contact with the rail, the rear part of the connecting plate is stretched by the stretching spring, the rear part of the connecting plate is stretched and rotated by the stretching spring, the side part of the friction wheel is elastically extruded with the rail, and the friction wheel can drive the rotary table to rotate in the autorotation process.
Referring to the attached drawing 2 of the specification, the track and the base 3 are supported through the heightening bolt 8, the top of the heightening bolt 8 is connected with the track 31, a screw rod of the heightening bolt 8 is connected with the base 3 through a threaded hole, the heightening bolts are uniformly distributed at the bottom of the track, and the heightening bolts play a role in heightening and leveling the track.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred embodiments of the present invention, and the present invention is not limited by the above preferred embodiments, and the present invention can also have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the protection scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A friction-driven rotary turntable for the lateral part of a track is characterized by comprising a panel (1), a turntable (2), a base (3), a central shaft (4) and a rotary driving device (5), wherein the turntable (2) is arranged on the upper part of the central shaft (4), the base (3) is arranged at the bottom of the central shaft (4), the panel (1) is arranged on the upper part of the turntable (2), the turntable (2) is connected with the central shaft (4) through a rotary bearing, a track is arranged on the outer ring of the base (3), a travelling wheel (21) is arranged between the turntable (2) and the base (3), the travelling wheel (21) is arranged at the bottom of the turntable (2), the bottom of the travelling wheel (21) is in contact with the track (31), the rotary driving device (5) is a speed reducing motor, the rotary driving device (5) is connected with a fixed pin of the turntable, a friction wheel (61) is connected, an elastic pressing device is arranged on the friction wheel (61).
2. The track side friction drive rotary turntable of claim 1, wherein the elastic pressing device comprises a connecting plate (71), an extension spring (72) and a shaft pin rotating shaft (73), the rotary driving device (5) is arranged above the connecting plate (71), an output shaft of the rotary driving device penetrates through the connecting plate (71), the friction wheel (61) is arranged at the bottom of the connecting plate (71), one end of a side plate of the connecting plate (71) is connected with the turntable (2) through the shaft pin rotating shaft (73), the other end of the side plate of the connecting plate (71) is connected with the turntable through the extension spring (72), and the extension spring (72) is arranged perpendicular to the side plate of the connecting plate (71).
3. The track side friction drive rotary turntable according to claim 1, characterized in that the track and the base (3) are supported by a height-adjusting bolt (8), the top of the height-adjusting bolt (8) is connected with the track (31), and the screw of the height-adjusting bolt (8) is connected with the base (3) through a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215685.8U CN209965881U (en) | 2018-12-27 | 2018-12-27 | Rotary turntable driven by friction at side part of track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215685.8U CN209965881U (en) | 2018-12-27 | 2018-12-27 | Rotary turntable driven by friction at side part of track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209965881U true CN209965881U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215685.8U Active CN209965881U (en) | 2018-12-27 | 2018-12-27 | Rotary turntable driven by friction at side part of track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209965881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692482A (en) * | 2020-06-19 | 2020-09-22 | 中国电子科技集团公司第二十九研究所 | Mechanical limiting mechanism of rotary table with limited rotation angle range reaching +/-360 degrees |
-
2018
- 2018-12-27 CN CN201822215685.8U patent/CN209965881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692482A (en) * | 2020-06-19 | 2020-09-22 | 中国电子科技集团公司第二十九研究所 | Mechanical limiting mechanism of rotary table with limited rotation angle range reaching +/-360 degrees |
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