CN220709839U - Rotary two-stage pendulum device - Google Patents

Abstract

The utility model relates to the technical field of rotary secondary pendulum devices, and discloses a rotary secondary pendulum device which comprises a turntable seat, wherein an annular guide rail is fixedly arranged in the turntable seat, a motor is arranged at the bottom of the turntable seat, an output shaft of the motor is fixedly connected with a balance block, two connecting rods are fixedly arranged on the side surfaces of the balance block, and arc-shaped sliding blocks are fixedly arranged at the other ends of the two connecting rods. This rotatory second grade pendulum device through being provided with the carousel seat, installs annular guide rail in the carousel seat, starts corresponding motor, and the motor can drive the balancing piece and carry out corresponding rotation, and the balancing piece is when rotating, and the connecting rod also can drive the arc slider in step and slide in having annular guide rail to make the balancing piece more balanced when carrying out the rotation.

Description

Rotary two-stage pendulum device

Technical Field

The utility model relates to the technical field of rotary secondary pendulum devices, in particular to a rotary secondary pendulum device.

Background

In the verification experiment process of the secondary pendulum control algorithm, a rotary secondary pendulum device is often used, on-site teaching can be realized through the rotary secondary pendulum device, and an annular secondary inverted pendulum experimental device disclosed by CN206505651U of Chinese patent website has the advantages of safety and reliability; the middle connecting rod is designed into a whole, is convenient to process and manufacture, can not loose and take off the pole phenomenon in the experimental process, makes the experimental process safer and more reliable, but the device can lead to the damage that the motor can be increased due to the unbalanced gravity on two sides when carrying out corresponding rotation because of the unbalanced gravity on two sides when carrying out corresponding experiments, therefore, a rotary secondary pendulum device is provided for solving the problem mentioned in the background.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a rotary secondary pendulum device which has the advantage of balancing gravity, and solves the problem that the unbalance of the gravity on two sides can increase the damage of a motor when corresponding rotation is carried out due to the unbalance of the gravity on two sides when corresponding experiments are carried out.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotatory second grade pendulum device, includes the carousel seat, carousel seat inside fixed mounting has annular guide rail, the motor is installed to carousel seat bottom, the output shaft fixedly connected with balancing piece of motor, two connecting rods of balancing piece side fixed mounting, two connecting rod other end fixed mounting has the arc slider.

Preferably, the side surface of the bottom of the turntable seat is fixedly provided with two supporting seats, the other ends of the two supporting seats are fixedly provided with fixing seats, two threaded holes are formed in the fixing seats, and the two supporting seats are arranged to support main components in a beneficial manner, so that the device can work stably, corresponding screws can be screwed tightly in the threaded holes in the fixing seats, and the supporting seats can be fixed.

Preferably, the carousel seat fixed mounting has two sleeves, two equal fixed mounting has the spring in the sleeve, spring other end fixedly connected with dog, dog other end fixed mounting has the removal loop bar, the equal fixed disk of fixed mounting of removal loop bar other end is provided with the spring in the sleeve, and the elasticity effect of spring self can promote and remove the loop bar to can adapt to the motor installation of equidimension not fixed, the setting of dog can play limiting displacement to the removal loop bar.

Preferably, four grooves are formed in the fixed disc, small springs are fixedly arranged in the four grooves, positioning blocks are fixedly arranged at the other ends of the four small springs, and the small springs are arranged through the fixed disc, so that the corresponding positioning blocks can be moved in the grooves, and the motors can be correspondingly positioned.

Preferably, a first encoder is fixedly arranged on the side surface of the balance block, a first encoder bracket is fixedly arranged on the side surface of the first encoder, an output shaft of the first encoder is fixedly connected with a middle connecting block, a second encoder bracket is fixedly arranged on the side surface of the middle connecting block, a second encoder is fixedly arranged on the side surface of the second encoder bracket, a swinging rod is fixedly arranged on the output shaft of the second encoder, the swinging rod and the middle connecting block are driven by the first encoder and the second encoder respectively to do rotary motion around respective hinged positions on planes perpendicular to the plane where the balance block is located, and the angle of the swinging rod is acquired by the second encoder; the middle connecting block is connected to the first encoder through interference fit and screw fastening, the first encoder is directly connected with the middle connecting block, the structure is simple, the cost is saved, and the angle measurement of the middle connecting block is further accurate.

Compared with the prior art, the utility model provides a rotary secondary pendulum device, which has the following beneficial effects:

1. this rotatory second grade pendulum device through being provided with the carousel seat, installs annular guide rail in the carousel seat, starts corresponding motor, and the motor can drive the balancing piece and carry out corresponding rotation, and the balancing piece is when rotating, and the connecting rod also can drive the arc slider in step and slide in having annular guide rail to make the balancing piece more balanced when carrying out the rotation.

2. This rotatory second grade pendulum device, through intermediate connecting block and pendulum rod respectively have first encoder and have the second encoder drive down in perpendicular to balancing piece place plane around articulated department separately do rotary motion, the angle of pendulum rod is gathered through the second encoder, intermediate connecting block passes through interference fit and screw fastening connection on first encoder, here first encoder is direct to be connected with intermediate connecting block, simple structure, save the cost, further make intermediate connecting block's angle measurement more accurate.

Drawings

FIG. 1 is a three-dimensional installation overview of the structure of the present utility model;

FIG. 2 is a diagram of the structure of the mobile loop bar connection of the present utility model;

FIG. 3 is a diagram showing the connection of the arc-shaped slide block structure of the utility model.

Wherein: 1. a turntable seat; 11. an annular guide rail; 12. a motor; 13. a balance weight; 14. a connecting rod; 15. an arc-shaped sliding block; 21. a support base; 22. a fixing seat; 23. a threaded hole; 31. a sleeve; 32. a spring; 33. a stop block; 34. moving the loop bar; 35. a fixed disc; 41. a small spring; 42. a positioning block; 51. a first encoder; 52. a first encoder support; 53. a second encoder; 54. a second encoder support; 55. and (5) swinging rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a rotary secondary pendulum device comprises a turntable seat 1, an annular guide rail 11 is fixedly installed in the turntable seat 1, a motor 12 is installed at the bottom of the turntable seat, an output shaft of the motor 12 is fixedly connected with a balance weight 13, two connecting rods 14 are fixedly installed on the side surfaces of the balance weight 13, and arc-shaped sliding blocks 15 are fixedly installed at the other ends of the two connecting rods 14.

Through above-mentioned technical scheme, through being provided with carousel seat 1, install annular guide rail 11 in the carousel seat 1, start corresponding motor 12, motor 12 can drive balancing piece 13 and carry out corresponding rotation, and balancing piece 13 is carrying out the pivoted, and connecting rod 14 also can drive arc slider 15 in step and slide in having annular guide rail 11 to make balancing piece 13 more balanced when carrying out the pivoted.

Specifically, two supporting seats 21 are fixedly arranged on the side face of the bottom of the turntable seat 1, fixing seats 22 are fixedly arranged at the other ends of the two supporting seats 21, and two threaded holes 23 are formed in the two fixing seats 22.

Through above-mentioned technical scheme, through being provided with two supporting seats 21, can carry out favourable support to main part for the device can be stable work, turns round corresponding screw in the screw hole 23 in fixing base 22, thereby can fix supporting seat 21.

Specifically, the turntable seat 1 is fixedly provided with two sleeves 31, springs 32 are fixedly arranged in the two sleeves 31, the other ends of the springs 32 are fixedly connected with stop blocks 33, the other ends of the stop blocks 33 are fixedly provided with movable loop bars 34, and the other ends of the movable loop bars 34 are fixedly provided with fixed discs 35.

Through above-mentioned technical scheme, through being provided with spring 32 in the sleeve 31, the elasticity effect of spring 32 self can promote and remove loop bar 34 and remove to can adapt to the motor installation of equidimension not fixed, the setting of dog 33 can play limiting displacement to removing loop bar 34.

Specifically, four grooves are formed in the fixed disc 35, small springs 41 are fixedly installed in the four grooves, and positioning blocks 42 are fixedly installed at the other ends of the four small springs 41.

Through the above technical scheme, through the fixed disc 35 being provided with the little spring 41, can move corresponding locating piece 42 in the recess to can carry out corresponding location with motor 12.

Specifically, the side surface of the balance weight 13 is fixedly provided with a first encoder 51, the side surface of the first encoder 51 is fixedly provided with a first encoder bracket 52, an output shaft of the first encoder 51 is fixedly connected with a middle connecting block, the side surface of the middle connecting block is fixedly provided with a second encoder bracket 54, the side surface of the second encoder bracket 54 is fixedly provided with a second encoder 53, and an output shaft of the second encoder 53 is fixedly provided with a swinging rod 55.

Through the technical scheme, the middle connecting block and the swinging rod 55 are driven by the first encoder 51 and the second encoder 53 respectively to do rotary motion around respective hinging positions perpendicular to the plane where the balance weight 13 is located, and the angle of the swinging rod 55 is collected through the second encoder 53; the middle connecting block is connected to the first encoder 51 through interference fit and screw fastening, the first encoder 51 is directly connected with the middle connecting block, the structure is simple, the cost is saved, and the angle measurement of the middle connecting block is further accurate.

When in use, the corresponding screw is screwed into the threaded hole 23 in the fixed seat 22, so that the supporting seat 21 can be fixed, the corresponding motor 12 is started, the motor 12 can drive the balance weight 13 to correspondingly rotate, the connecting rod 14 can synchronously drive the arc-shaped slide block 15 to slide in the annular guide rail 11 while the balance weight 13 rotates, therefore, the balance weight 13 is balanced when rotating, the middle connecting block and the swinging rod 55 are driven by the first encoder 51 and the second encoder 53 respectively to do rotary motion around respective hinges at the planes perpendicular to the plane of the balance weight 13, and the angle of the swinging rod 55 is acquired by the second encoder 53.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a rotatory second grade pendulum device, includes carousel seat (1), its characterized in that: the rotary table is characterized in that an annular guide rail (11) is fixedly arranged in the rotary table seat (1), a motor (12) is arranged at the bottom of the rotary table seat, a balance block (13) is fixedly connected to an output shaft of the motor (12), two connecting rods (14) are fixedly arranged on the side faces of the balance block (13), and arc-shaped sliding blocks (15) are fixedly arranged at the other ends of the two connecting rods (14).

2. A rotary secondary pendulum apparatus as claimed in claim 1, wherein: two supporting seats (21) are fixedly arranged on the side face of the bottom of the turntable seat (1), fixing seats (22) are fixedly arranged at the other ends of the two supporting seats (21), and two threaded holes (23) are formed in the two fixing seats (22).

3. A rotary secondary pendulum apparatus as claimed in claim 1, wherein: the rotary table is characterized in that the rotary table seat (1) is fixedly provided with two sleeves (31), springs (32) are fixedly arranged in the two sleeves (31), the other ends of the springs (32) are fixedly connected with stop blocks (33), the other ends of the stop blocks (33) are fixedly provided with movable sleeve rods (34), and the other ends of the movable sleeve rods (34) are fixedly provided with fixed discs (35).

4. A rotary secondary pendulum apparatus according to claim 3, wherein: four grooves are formed in the fixed disc (35), small springs (41) are fixedly arranged in the four grooves, and positioning blocks (42) are fixedly arranged at the other ends of the four small springs (41).

5. A rotary secondary pendulum apparatus as claimed in claim 1, wherein: the balance weight (13) side fixed mounting has first encoder (51), first encoder (51) side fixed mounting has first encoder support (52), the output shaft fixedly connected with intermediate connection piece of first encoder (51), intermediate connection piece side fixed mounting has second encoder support (54), second encoder support (54) side fixed mounting has second encoder (53), the output shaft fixed mounting of second encoder (53) has pendulum rod (55).