CN215862625U

CN215862625U - Light two-degree-of-freedom turntable

Info

Publication number: CN215862625U
Application number: CN202122244652.8U
Authority: CN
Inventors: 刘殿双; 张有林; 宫钰; 毕克成; 刘京达
Original assignee: Changchun Cgul Infrared Technology Co ltd
Current assignee: Changchun Cgul Infrared Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-18
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to a light two-degree-of-freedom turntable, and belongs to the field of machinery. The rotary table is in a modular design and comprises a horizontal shaft part and a vertical shaft part, wherein the horizontal shaft part is fixed on the vertical shaft of the vertical shaft part, and the horizontal shaft part is driven to rotate together when the rotary table rotates horizontally. The horizontal shaft part and the vertical shaft part are electrically controlled and integrated into an electric control board which is fixed in the vertical shaft part base, an external power supply is connected with the electric control board through a socket on the base, after the power supply is switched on, the rotary table rotates horizontally and in a pitching mode, and the computer end can independently control horizontal or pitching to independently move. Has the advantages that: simple structure, small volume, light weight, and convenient installation, transportation and maintenance. Two degrees of freedom are mainly responsible for driving load equipment level and top-bottom every single move and rotate, and under the prerequisite that satisfies technical requirement, the lightweight design has been accomplished to the whole appearance structure of revolving stage, has improved the practicality.

Description

Light two-degree-of-freedom turntable

Technical Field

The utility model relates to the field of machinery, in particular to a light-weight two-degree-of-freedom turntable, which controls a camera on the turntable to realize automatic monitoring and scanning by controlling the horizontal and pitching rotating positions of the turntable.

Background

The rotary table is mainly a system device for tracking and testing, and has wide application in the fields of aerospace, aviation, ocean detection, wireless laser of atmospheric channels and the like. Most of the existing turntables on the market adopt the structural design of metal casting processing, so that the weight and the volume of the turntables are very large, and the turntables are difficult to transport and carry in the using process. Therefore, there is an urgent need for a two-degree-of-freedom turntable which can reduce the weight of the turntable, is portable during use, and has a light weight structure design.

Disclosure of Invention

The utility model aims to provide a light-weight two-degree-of-freedom turntable, which solves the problems of large volume, high weight and difficulty in carrying of the conventional turntable. The utility model has simple structure, small volume and light weight, reduces the production cost of the turntable, and the driving motor drives the worm gear structure to control the rotation of the turntable in horizontal and pitching directions and indicate and position a static or moving target so as to conveniently bear observation equipment to quickly position the target.

The rotary table is in a modular design and comprises a horizontal shaft part and a vertical shaft part, wherein the horizontal shaft part is fixed on the vertical shaft of the vertical shaft part, and the horizontal shaft part is driven to rotate together when the rotary table rotates horizontally. The horizontal shaft part and the vertical shaft part are electrically controlled and integrated into an electric control board which is fixed in the vertical shaft part base, an external power supply is connected with the electric control board through a socket on the base, after the power supply is switched on, the rotary table rotates horizontally and in a pitching mode, and the computer end can independently control horizontal or pitching to independently move.

The above object of the present invention is achieved by the following technical solutions:

a lightweight two-degree-of-freedom turntable comprising a horizontal shaft portion and a vertical shaft portion that are fitted to each other, the horizontal shaft portion being: the thick rotating arm A1, the thin rotating arm A15, the plug A20 and the plug pad A21 are respectively and mechanically connected with a supporting plate A2, a first deep groove ball bearing A9 and a second deep groove ball bearing A17 are fixed on a main box body A16 through a small bearing end cover A10 and a large bearing end cover A4, and the main box body A16 and an upper cover A5 are mechanically connected to form a main cavity; the pitch electric limit A6, the pitch shaft worm gear A7 and the pitch worm gear pressing ring A8 are respectively fixed on the pitch shaft A13, and the pitch shaft A13 is fixed in the main cavity through the small bearing pressing ring A12 and the large bearing pressing ring A3; the photoelectric switch A19 and the pitching photoelectric switch seat A22 are mechanically connected and fixed in the main cavity; the thin rotating arm A15, the thick rotating arm A1, the large sealing cover A18 and the small sealing cover A14 are all fixed on a pitching axis A13, an outer cover rubber pad A23, an outer cover A25 and a mechanical limiting piece A29 are mechanically connected with a main box body A16, a limiting nail A11 is fixed on the thin rotating arm A15 and the main box body A16, a driving motor A26 and a pitching axis worm A30 are fixed on a coupling A27 through a pressing plate A28, two ends of a bearing outer spacing ring A33 are respectively contacted with two deep groove ball bearings three A34, and are fixed in a pitching support adjusting ring A32 through a bearing outer pressing ring A35.

The pitch axis worm A30 is in contact with one end of a worm sleeve A31, the other end of the worm sleeve A31 is in contact with a deep groove ball bearing three A34, a pitch support adjusting ring A32 is mechanically connected with a main box body A16, a driving motor A26 is mechanically connected with a pitch motor shell A24 and fixed on the main box body A16, a bearing inner pressing ring A36 is fixed on the pitch axis worm A30, and a sealing cover A37 is fixed on the pitch support adjusting ring A32.

The vertical shaft part is as follows: the base B1 and the mechanical limit piece II B4 are mechanically connected with a vertical shaft bearing gland B2, a deep groove ball bearing IV B5 is fixed on a vertical shaft B3 by a large bearing ring B6, and a vertical electric limit B7, a vertical shaft worm gear B8, a vertical worm gear pressing ring B9 and a flange bearing pressing ring B11 are all fixed on the vertical shaft B3; a flange bearing B10 is fixed with a base B1, a driving motor A26 and a vertical shaft worm B15 are fixed on a coupling A27 through a pressing plate A28, two ends of a bearing outer spacer ring A33 are respectively in contact with the outer end faces of two deep groove ball bearings three A34 and fixed on a vertical motor shell B14, and a bearing three pressing cover B17, the driving motor A26 and a vertical motor shell B14 are mechanically connected.

The vertical shaft worm B15 is fixed by a bearing three-pressing ring B16, an electric switch A19, a circuit board two B21 and a nylon washer B22 are respectively and mechanically connected with a vertical shaft photoelectric switch seat B20, and a vertical motor shell B14, a circuit board one B18, a power switch B19, a network interface B23, a power interface B25, a vertical photoelectric switch seat B20, a horizontal bubble B14, a sealing rubber pad B12 and a bottom plate B13 are all mechanically connected with a base B1.

The utility model has the beneficial effects that: simple structure, small volume, light weight, and convenient installation, transportation and maintenance. Two degrees of freedom are mainly responsible for driving load equipment level and top-bottom every single move and rotate, and under the prerequisite that satisfies technical requirement, the lightweight design has been accomplished to the whole appearance structure of revolving stage, has improved the practicality.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a cross-sectional structural view of a horizontal shaft portion of the present invention;

FIG. 2 is a schematic cross-sectional view H-H of FIG. 1;

FIG. 3 is a schematic view of the construction of the vertical shaft portion of the present invention;

FIG. 4 is a schematic sectional view of K-K of FIG. 3.

In the figure: a1, thick rotating arm; a2, supporting plate; a3, a large bearing ring; a4, a large bearing end cover; a5, an upper cover; a6, pitching electric limiting; a7, a pitch axis worm gear; a8, a pitch worm gear pressing ring; a9, a first deep groove ball bearing; a10, a small bearing end cover; a11, limit pins; a12, a small bearing pressing ring; a13, pitch axis; a14, small sealing cover; a15, thin rotating arm; a16, a main box body; a17, a deep groove ball bearing II; a18, big sealing cover; a19, photoelectric switch; a20, plug; a21, plug pad; a22, a pitching photoelectric switch base; a23, covering rubber cushion; a24, pitch motor shell; a25, outer cover; a26, driving a motor; a27, coupling; a28, a pressure plate; a29, a first mechanical limiting piece; a30, pitch axis worm; a31, worm sleeve; a32, a pitch support adjusting ring; a33, bearing outer space ring; a34, deep groove ball bearing III; a35, bearing outer pressing ring; a36, bearing inner pressing ring; a37, sealing cover; b1, a base; b2, a vertical shaft bearing gland; b3, vertical axis; b4, a second mechanical limiting piece; b5, a deep groove ball bearing IV; b6, a large bearing ring; b7, vertical electric limiting; b8, vertical axis worm gear; b9, a vertical worm gear pressing ring; b10, a flange plate bearing; b11, flange bearing pressing ring; b12, sealing the rubber gasket; b13, a bottom plate; b14, vertical motor housing; b15, vertical axis worm; b16, a bearing third pressing ring; b17, a bearing three-gland; b18, a first circuit board; b19, a power switch; b20, a vertical photoelectric switch base; b21 and a circuit board II; b22, nylon washer; b23, network interface; b24, horizontal bubble; b25, power interface.

Detailed Description

The details of the present invention and its embodiments are further described below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the light-weight two-degree-of-freedom turntable of the present invention includes a horizontal shaft portion and a vertical shaft portion which are matched with each other, wherein the horizontal shaft portion is: the thick rotating arm A1, the thin rotating arm A15, the plug A20 and the plug pad A21 are respectively and mechanically connected with a supporting plate A2, a first deep groove ball bearing A9 and a second deep groove ball bearing A17 are fixed on a main box body A16 through a small bearing end cover A10 and a large bearing end cover A4, and the main box body A16 and an upper cover A5 are mechanically connected to form a main cavity; the pitch electric limit A6, the pitch shaft worm gear A7 and the pitch worm gear pressing ring A8 are respectively fixed on the pitch shaft A13, and the pitch shaft A13 is fixed in the main cavity through the small bearing pressing ring A12 and the large bearing pressing ring A3; the photoelectric switch A19 and the pitching photoelectric switch seat A22 are mechanically connected and fixed in the main cavity; the thin rotating arm A15, the thick rotating arm A1, the large sealing cover A18 and the small sealing cover A14 are all fixed on a pitching axis A13, an outer cover rubber pad A23, an outer cover A25 and a mechanical limiting piece A29 are mechanically connected with a main box body A16, a limiting nail A11 is fixed on the thin rotating arm A15 and the main box body A16, a driving motor A26 and a pitching axis worm A30 are fixed on a coupling A27 through a pressing plate A28, two ends of a bearing outer spacing ring A33 are respectively contacted with two deep groove ball bearings three A34, and are fixed in a pitching support adjusting ring A32 through a bearing outer pressing ring A35.

Referring to fig. 1 to 4, the working process and principle of the present invention are as follows:

the turntable is mainly driven in the horizontal direction and the pitching direction, a driving part assembly, a main box body A16 and a base B1 are fixedly connected, after the turntable is powered on, a driving motor drives a pitching shaft worm A30 and a vertical shaft worm B15 to rotate, the worm rotates to drive a pitching shaft A13 fixed with a pitching shaft worm wheel A7 and a vertical shaft B3 fixed with a vertical shaft worm wheel B8, and the pitching shaft A13 and the vertical shaft B3 control the two-degree-of-freedom direction rotation of the turntable and drive the observation equipment to rotate horizontally and vertically in a pitching mode.

The pitching shaft A13 is rotatably connected with the main box body A16, the vertical shaft B3 is rotatably connected with the base B1, the vertical shaft is fixedly connected with the main box body, the self-checking function is started after the rotary table is powered on, after the self-checking is completed, the driving motor operates to drive the rotary table to be horizontal and the required angle of pitching rotation, the thin rotary arm A15, the main box body A16 and the vertical shaft bearing gland B2 are respectively provided with a rotation-stop component, namely mechanical limit, and the mechanical limit can prevent the damage of parts inside the rotary table when the electric control part has problems and can not stop rotating.

The above description is only a preferred example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lightweight two-degree-of-freedom turntable is characterized in that: the device comprises a horizontal shaft part and a vertical shaft part which are matched with each other, wherein the horizontal shaft part is as follows: the thick rotating arm (A1), the thin rotating arm (A15), the plug (A20) and the plug pad (A21) are respectively and mechanically connected with the supporting plate (A2), the first deep groove ball bearing (A9) and the second deep groove ball bearing (A17) are fixed on the main box body (A16), and the main box body (A16) and the upper cover (A5) are mechanically connected to form a main cavity; the pitching electric limit (A6), the pitching shaft worm gear (A7) and the pitching worm gear pressing ring (A8) are respectively fixed on the pitching shaft (A13), and the pitching shaft (A13) is fixed in the main cavity; the photoelectric switch (A19) and the pitching photoelectric switch seat (A22) are mechanically connected and fixed in the main cavity; the thin rotating arm (A15), the thick rotating arm (A1), the large sealing cover (A18) and the small sealing cover (A14) are all fixed on a pitching shaft (A13), an outer cover rubber mat (A23), an outer cover (A25) and a mechanical limiting piece I (A29) are mechanically connected with a main box body (A16), a limiting nail (A11) is fixed on the thin rotating arm (A15) and the main box body (A16), a driving motor (A26) and a pitching shaft worm (A30) are fixed on a coupling (A27) through a pressing plate (A28), two ends of an outer bearing spacing ring (A33) are respectively in contact with two deep groove ball bearings III (A34), and are fixed in a pitching support adjusting ring (A32) through an outer bearing pressing ring (A35).

2. The lightweight two-degree-of-freedom turntable according to claim 1, wherein: the pitch axis worm (A30) is in contact with one end of a worm sleeve (A31), the other end of the worm sleeve (A31) is in contact with a deep groove ball bearing III (A34), a pitch support adjusting ring (A32) is mechanically connected with a main box body (A16), a driving motor (A26) is mechanically connected with a pitch motor shell (A24) and fixed on the main box body (A16), a bearing inner pressing ring (A36) is fixed on the pitch axis worm (A30), and a sealing cover (A37) is fixed on the pitch support adjusting ring (A32).

3. The lightweight two-degree-of-freedom turntable according to claim 1, wherein: the vertical shaft part is as follows: the base (B1), the mechanical limit piece II (B4) and the vertical shaft bearing gland (B2) are mechanically connected, the deep groove ball bearing IV is fixed on the vertical shaft (B3), and the vertical electric limit piece (B7), the vertical shaft worm gear (B8), the vertical worm gear pressing ring (B9) and the flange bearing pressing ring (B11) are all fixed on the vertical shaft (B3); a flange plate bearing (B10) is fixed with a base (B1), a driving motor (A26) and a vertical shaft worm (B15) are fixed on a coupling (A27) through a pressing plate (A28), two ends of an outer bearing spacer ring (A33) are respectively in contact with the outer end faces of two deep groove ball bearings III (A34) and fixed on a vertical motor shell (B14), and a bearing three pressing cover (B17) and the driving motor (A26) are mechanically connected with the vertical motor shell (B14).

4. The lightweight two-degree-of-freedom turntable of claim 3, wherein: the vertical shaft worm (B15) is fixed through a bearing three pressing ring (B16), an electric switch (A19), a circuit board two (B21) and a nylon washer (B22) are respectively and mechanically connected with a vertical photoelectric switch seat (B20), and a vertical motor shell (B14), a circuit board I (B18), a power switch (B19), a network interface (B23), a power interface (B25), a vertical photoelectric switch seat (B20), a horizontal bubble (B24), a sealing rubber pad (B12) and a bottom plate (B13) are all mechanically connected with a base (B1).