CN218992214U

CN218992214U - Two-dimensional self-stabilizing turntable with impact resistance

Info

Publication number: CN218992214U
Application number: CN202222781733.6U
Authority: CN
Inventors: 许寰岳
Original assignee: Lnlon Industrial Development Co ltd
Current assignee: Lnlon Industrial Development Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-05-09
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses an impact-resistant two-dimensional self-stabilizing turntable, which relates to the technical field of turntables and comprises a substrate, wherein a plurality of balls are embedded in the bottom of the substrate in a rolling manner, the substrate is placed in a bottom shell, a bearing seat is fixedly arranged on the top surface of the substrate, a U-shaped support arm is fixedly arranged at the rotating end of the top of the bearing seat, a plurality of spring telescopic rods are uniformly arranged on the outer surface of the substrate and the inner wall surface of the bottom shell at equal intervals, a plurality of universal joints and spring telescopic rods are arranged on the bottom shell and the substrate in a one-to-one correspondence manner in a rotating manner, and the universal joints and the spring telescopic rods are arranged in a staggered manner. According to the anti-impact two-dimensional self-stabilizing turntable, the damper is arranged to be matched with the spring telescopic rod, so that the whole device has stronger anti-impact capability, and the damper is arranged to absorb vibration generated during impact, so that larger damage caused by rebound of the damper is avoided.

Description

Two-dimensional self-stabilizing turntable with impact resistance

Technical Field

The utility model relates to the technical field of rotary tables, in particular to an impact-resistant two-dimensional self-stabilizing rotary table.

Background

The precise turntable is equipment for rotating and integrating optical, mechanical and electrical, and is widely applied to various precise optical instruments, such as a laser tracker, a total station and the like. The turntable mainly comprises an azimuth mechanism, a pitching mechanism, a load box and the like, and the positioning precision of the turntable is influenced by a plurality of factors such as motor precision, part machining precision, assembly precision, structural design precision, measuring instrument precision and the like. In order to ensure the running reliability, the turntable needs to have good anti-shock and shock resistance, but the upper part of the existing turntable is extremely easy to damage due to large impact force during the use.

Disclosure of Invention

The utility model mainly aims to provide an impact-resistant two-dimensional self-stabilizing turntable which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a two-dimensional self-stabilizing revolving stage of shock resistance, includes the base plate, the bottom roll embedding of base plate installs a plurality of ball, the inside at the drain pan is placed to the base plate, the top surface fixed mounting of base plate has the position seat, the top rotation end fixed mounting of position seat has "U" support arm, the surface of base plate and the inner wall surface equal distance of drain pan install a plurality of spring telescopic link, spring telescopic link one-to-one and rotate on drain pan and the base plate install a plurality of universal joint and spring telescopic link, a plurality of universal joint and the crisscross setting of spring telescopic link, the internally mounted of "U" support arm has servo control board, first moment motor, first binary channels to turn into the transmitter, airtight seat and two bearings, position seat internally mounted has position bearing, dynamic seal, azimuth axis, second moment motor, second binary channels to turn into the transmitter, bottom seat to be inserted and the ring that converges.

Preferably, a load box is rotatably installed between the inner rings of the two bearings, and the output end of the torque motor is rotatably connected with one end of the load box.

Preferably, an infrared camera assembly is installed inside the load box.

Preferably, a pitching operation lock is fixedly arranged at the top of one end of the U-shaped support arm, and the output end of the pitching operation lock is overlapped with the outer surface of one side wall of the load box.

Preferably, a position march lock is fixedly arranged on one side surface of the position seat, and the output end of the position march lock is overlapped with the bottom surface of the bottom plate of the U-shaped support arm.

Preferably, the bottom plate of the bottom shell is provided with a plurality of through holes in an equidistant penetrating manner.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up attenuator and spring telescopic link collocation for whole device shock resistance is stronger, sets up the vibration that produces when the attenuator can absorb the impact, avoids the attenuator to rebound and causes bigger damage.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an impact resistant two-dimensional self-stabilizing turntable according to the present utility model;

FIG. 2 is a schematic elevational view of an impact resistant two-dimensional self-stabilizing turntable according to the present utility model;

FIG. 3 is a schematic view of the internal structure of an impact resistant two-dimensional self-stabilizing turntable can according to the present utility model;

fig. 4 is a schematic perspective view of an impact-resistant two-dimensional self-stabilizing turntable according to the present utility model.

In the figure: 1. a bottom case; 2. a substrate; 3. a azimuth seat; 4. a U-shaped support arm; 5. a load box; 6. perforating; 7. pitching march locks; 8. azimuth march lock; 9. a ball; 10. a universal joint; 11. a spring telescoping rod; 12. a damper.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, an anti-impact two-dimensional self-stabilizing turntable comprises a substrate 2, a plurality of balls 9 are embedded in the bottom of the substrate 2 in a rolling manner, the substrate 2 is placed in the bottom shell 1, an azimuth seat 3 is fixedly installed on the top surface of the substrate 2, a plurality of spring telescopic rods 11 are fixedly installed at the top rotating end of the azimuth seat 3, the outer surface of the substrate 2 and the inner wall surface of the bottom shell 1 are uniformly spaced, the spring telescopic rods 11 on the bottom shell 1 and the substrate 2 are in one-to-one correspondence and are rotatably provided with a plurality of universal joints 10 and spring telescopic rods 11, the universal joints 10 and the spring telescopic rods 11 are arranged in a staggered manner, a servo control board, a first torque motor, a first double-channel rotary transmitter, airtight aviation plug and two bearings are installed in the azimuth seat 3, and azimuth bearings, a second torque motor, a second double-channel rotary transmitter, a bottom aviation plug and a confluence ring are installed in the azimuth seat 3.

In this embodiment, a load box 5 is rotatably installed between the inner rings of the two bearings, and the output end of the torque motor is rotatably connected with one end of the load box 5.

In this embodiment, the load box 5 has an infrared camera assembly mounted therein.

In this embodiment, a pitching lock 7 is fixedly mounted at the top of one end of the U-shaped support arm 4, and the output end of the pitching lock 7 is overlapped with the outer surface of a side wall of the load box 5.

In the embodiment, a azimuth marching lock 8 is fixedly arranged on one side surface of an azimuth seat 3, the output end of the azimuth marching lock 8 is overlapped with the bottom surface of a bottom plate of a U-shaped support arm 4, a load box 5 is arranged on the U-shaped support arm 4 and fixedly connected through a screw, and is driven by a pitching shaft to rotate around the shaft, and a pitching marching lock 7 is designed between the load box 5 and a pitching mechanism and used for locking the pitching rotation direction of the load box 5 during transportation; the pitching mechanism is arranged on the azimuth mechanism, so that the pitching rotating shaft and the azimuth rotating shaft are orthogonal, the azimuth movement and the pitching movement are decoupled and mutually independent, the pitching mechanism and the load box 5 are driven by the azimuth shaft to rotate around the shaft, and an azimuth march lock 8 is arranged between the pitching mechanism and the azimuth mechanism and used for locking in the azimuth rotating direction during transportation.

In this embodiment, the bottom plate of the bottom shell 1 is provided with a plurality of through holes 6 at equal intervals.

Working principle: the electric elements in the utility model are externally connected with a power supply and a control switch when in use, the load box 5 is arranged on the U-shaped support arm 4 and fixedly connected through a screw, the load box 5 is driven by a pitching shaft to rotate around the shaft, and a pitching march lock 7 is designed between the load box 5 and a pitching mechanism and used for locking the pitching rotation direction of the load box 5 during transportation; the pitching mechanism is arranged on the azimuth mechanism, so that the pitching rotating shaft and the azimuth rotating shaft are orthogonal, the azimuth movement and the pitching movement are decoupled and mutually independent, the pitching mechanism and the load box 5 are driven by the azimuth shaft to rotate around the shaft, and an azimuth march lock 8 is arranged between the pitching mechanism and the azimuth mechanism and used for locking in the azimuth rotating direction during transportation.

The pitching mechanism and the load box 5 can realize 360-degree continuous rotation under the drive of the azimuth axis, the load box 5 moves to the minus 10-degree state and the plus 60-degree state under the drive of the pitching axis, the main body of the load box 5 is designed into a sphere, the rotation axis is concentric with the center of the sphere, and the load box 5 does not interfere with the pitching mechanism when in the pitching movement to the minus 10-degree state and the plus 60-degree state.

The load box 5 is mainly used for installing components such as an infrared camera component, a gyroscope, a track board and the like, and the load box 5 structurally mainly comprises a load frame, a front cover, a rear cover, an air tap and the like.

The load box 5 has a core structure of a load frame, two sides of which are connected with the rotating shafts of the U-shaped support arms 4, and the load box is driven by the rotating shafts to do pitching motion; the front end of the U-shaped support arm 4 is a front cover, and an infrared window and the like are arranged at the corresponding position of the front cover load; the rear end of the U-shaped support arm 4 is a rear cover, and the rear part of the rear cover is provided with an air tap and balancing component; the load frame, the front cover, the rear cover and the top cover of the frame are fixedly connected through screws, sealing strips are designed on the mounting surface, the air tightness of the mounting surface is guaranteed, the right side of the load frame is airtight through a right pitching shaft and an airtight connector, the whole load box 5 is airtight, and a good working environment is provided for internal load; the gyro component is fixed on the load mounting plate, so that the self-stabilization function of the turntable is realized; the track board is fixed at the bottom of the load frame; the load frame is a core structure of the load box 5, the structural form of the load frame adopts a spherical frame structure, and the load frame is cast and molded by using an aluminum alloy melting die, so that lighter weight is realized under the condition of ensuring higher rigidity and strength.

The whole load frame is hollow, the whole load assembly is arranged on the load installation boss, the boss installation face is positioned outside the load cabin, the processing is easy, and the flatness is easy to ensure. The program downloading interface is designed at the top of the load bin, so that wiring and later-stage operation are facilitated; the airtight aviation interface is designed on the rotary side, so that the interference of the motor on signals is reduced. The side face of the load frame is provided with a sealing structure and a mechanical limit groove, and the sealing function and the pitching rotation limit function of the load box 5 are realized in an auxiliary mode.

The bottom end of the U-shaped support arm 4 is connected with the azimuth shaft, the rain-proof function is better realized by assisting the search and the turntable through the labyrinth sealing structure, a debugging interface is designed at the bottom end of the U-shaped support arm 4, and the debugging of equipment can be realized under the condition that structural members are not disassembled in the later period; the left side of the U-shaped support arm 4 is provided with an electric limiting component, a pitching rotary transformer, a left bearing and a pitching rotary transformer shaft in sequence from left to right, a shaft penetrating connector is designed in the pitching shaft, and the shaft penetrating connector and a sealing rubber strip at an interface are used for realizing the air tightness of the interface at the right end of the load box 5; the servo control system is arranged in the middle of the left side of the U-shaped support arm 4, and a pitching motor, a right bearing and a right pitching shaft are sequentially arranged at the upper part of the right side of the U-shaped support arm 4 from right to left.

The turntable body adopts an integral U-shaped structure and a two-shaft driving mode, so that the pitching and the azimuth independent rotation of the loaded load are realized; meanwhile, in order to meet the requirements of rain resistance, corrosion resistance, moisture resistance and the like, the load box 5 is designed into an airtight structure, a shaft system adopts a multi-labyrinth waterproof structure, and the outer shell of the platform body is coated with anti-corrosion paint after electroplating.

The U-shaped support arm 4 is used as a core structural member of the pitching mechanism, needs to bear the weight of the load box 5 and the whole pitching electric and structural components, needs higher strength, and has higher requirements on the coaxiality of the structural axes at two sides of the U-shaped support arm 4 and higher requirements on the stability of the structure in order to ensure the rotation smoothness of the pitching motor.

The U-shaped support arm 4 is formed by casting aluminum alloy through melting and casting, the weight of a structural member is reduced on the premise of ensuring the rigidity/strength of the structure, and simultaneously, the two side shafts of the U-shaped support arm 4 are formed by boring cutters at one time, so that the coaxiality of pitching shafts at the two sides is ensured.

The azimuth mechanism comprises a labyrinth sealing structure, a dynamic seal, a converging ring, an azimuth shaft, an azimuth bearing, an azimuth motor, an azimuth rotary transformer, an azimuth seat 3 and an azimuth bottom cover from top to bottom in sequence; the upper end of the confluence ring is fixed at the top of the azimuth rotating shaft, and the lower end of the confluence ring is fixed on a bracket fixedly connected with the azimuth seat 3, so that electric uploading and downloading are realized; the azimuth shaft is fixed on the rotating part of the azimuth bearing, the rotor of the motor and the rotating component of the rotary transformer are fixed at the lower end, and the movement of the azimuth shaft is realized through the rotation of the rotor of the azimuth motor; the lower end of the azimuth seat 3 is provided with an external electrical interface, and the azimuth seat 3 is electrically connected with the pitching mechanism and the load box 5 through a converging ring.

The damper 12 is arranged to be matched with the spring telescopic rod 11, so that the whole device is stronger in impact resistance, and vibration generated when the damper 12 can absorb impact is arranged, so that larger damage caused by rebound of the damper 12 is avoided.

The circuit, the electronic components and the control module are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two-dimensional self-stabilizing revolving stage of shock resistance, includes base plate (2), its characterized in that: the utility model discloses a base plate, including base plate (2), base plate (2) are placed in the inside of drain pan (1), the top fixed mounting of base plate (2) has position seat (3), the top rotation end fixed mounting of position seat (3) has "U" support arm (4), a plurality of spring telescopic link (11) are installed to the surface of base plate (2) and the inner wall surface equal distance of drain pan (1), a plurality of universal knot (10) and spring telescopic link (11) are installed in spring telescopic link (11) one-to-one and rotation on drain pan (1) and base plate (2), a plurality of universal knot (10) and spring telescopic link (11) are crisscross the setting, the internally mounted of "U" support arm (4) has servo control board, first torque motor, first torque transmitter, airtight aviation plug and two bearings, position bearing, dynamic seal, azimuth shaft, second torque motor, second double-channel aviation plug and collector ring.

2. An impact resistant two-dimensional self-stabilizing turntable as claimed in claim 1, wherein: a load box (5) is rotatably arranged between the inner rings of the two bearings, and the output end of the torque motor is rotatably connected with one end of the load box (5).

3. An impact resistant two-dimensional self-stabilizing turntable as claimed in claim 2, wherein: and an infrared camera assembly is arranged in the load box (5).

4. An impact resistant two-dimensional self-stabilizing turntable as claimed in claim 1, wherein: a pitching operation lock (7) is fixedly arranged at the top of one end of the U-shaped support arm (4), and the output end of the pitching operation lock (7) is overlapped with the outer surface of one side wall of the load box (5).

5. An impact resistant two-dimensional self-stabilizing turntable as claimed in claim 1, wherein: an azimuth marching lock (8) is fixedly arranged on one side surface of the azimuth seat (3), and the output end of the azimuth marching lock (8) is overlapped with the bottom surface of the bottom plate of the U-shaped support arm (4).

6. An impact resistant two-dimensional self-stabilizing turntable as claimed in claim 1, wherein: the bottom plate of the bottom shell (1) is provided with a plurality of perforations (6) in an equidistant penetrating way.