Belt transmission differential mechanism joint

Abstract

The utility model provides a belt transmission differential joint, and belongs to the technical field of transmission devices. The problem that in the prior art, the transportation efficiency is not enough is solved. The device comprises two motor mounting plates, two pivot plates and two toggle plates, the tops of the motor mounting plates are fixedly connected with the bottoms of the pivot plates, the toggle plates are fixedly mounted at the tops of the pivot plates, and wrist shaft pipes are fixedly connected to the lower ends of the toggle plates. The lower end of the wrist shaft pipe is connected with a clamp table, the two ends of the clamp table are fixedly connected with a motor mounting plate, a clamp holder is arranged at the top of the toggle plate, a belt driven pulley is fixedly mounted on the outer side of the top end of the motor mounting plate, and three planetary gears are arranged on the inner side of the toggle plate and the inner side of the pivot plate. The pivot hub is connected with the inner side of the planetary gear, and a driving motor is mounted on the inner side of the bottom of the motor mounting plate. The transmission mechanism has the advantage of high transmission efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission devices and relates to a belt drive differential joint. Background Art

[0002] A differential is an important component in a transmission system. Its main functions include torque distribution, ensuring rotation at different angular velocities, power transmission, and preventing tire slippage. These functions work together to enable a vehicle to drive smoothly and safely when turning or in other situations requiring different wheel speeds.

[0003] Chinese Patent with publication number CN205639531U discloses a mechanical differential. On the upper section of the differential shaft rod, a friction connection plate, a friction block, a belt pulley groove, a synchronous belt pulley, a friction connection plate, and a disc spring are sequentially installed. Two friction discs are installed in the belt pulley groove, and a round nut is screwed onto the end; the two friction discs are fixed together with screws and two bearings I are installed inside; the lower section of the differential shaft rod passes through the differential shaft outer sleeve and the disc spring, and the round nut is unscrewed from the end; two bearings II and two bearings III are installed inside the differential outer sleeve to connect the differential shaft rod with the device, and synchronous belts are respectively installed on the friction discs and the synchronous belt pulley.

[0004] The mechanical differential provided by this patent installs a belt pulley groove and a synchronous belt pulley, and its transportation efficiency has limitations. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a belt drive differential joint for the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved by the following technical solutions: A belt drive differential joint includes a motor mounting plate, a pivot plate, and an elbow plate. The number of both the motor mounting plate and the pivot plate is two, and the top of the motor mounting plate is fixedly connected to the bottom of the pivot plate. The elbow plate is fixedly installed on the top of the pivot plate. A wrist shaft tube is fixedly connected to the lower end of the elbow plate. The lower end of the wrist shaft tube is connected to a fixture table, and both ends of the fixture table are fixedly connected to the motor mounting plate. A gripper is arranged on the top of the elbow plate. A belt driven pulley is fixedly installed on the outer side of the top end of the motor mounting plate. Three planetary gears are arranged inside the elbow plate and the pivot plate. A fastening bolt is fixed inside the planetary gear. The planetary gear is respectively connected to the gripper and the belt driven pulley through the fastening bolt. A pivot hub is sleeved outside the wrist shaft tube, and the pivot hub is connected to the inside of the planetary gear. A drive motor is installed inside the bottom of the motor mounting plate. The drive motor extends out a motor shaft, and the motor shaft penetrates through the motor mounting plate. A belt driving pulley is fixed on the outer side of the bottom of the motor mounting plate, and the belt driving pulley is fixedly connected to the motor shaft.

[0007] In the above-mentioned belt-driven differential joint, a gripper servo plate is fixedly connected to the bottom of the pivot hub, a gripper servo bracket is fixed to the bottom of the gripper servo plate, a servo motor is fixedly connected to the bottom of the gripper servo bracket, one end of the servo motor is located inside the fixture table, and the servo motor is connected to the wrist shaft tube.

[0008] In the above-mentioned belt-driven differential joint, an encoder housing is fixedly connected to the outside of the belt driven pulley.

[0009] In the above-mentioned belt-driven differential joint, bevel gears are fixed to the bottom and inside of the gripper, the top of the wrist shaft tube is fixedly connected to the bevel gear at the bottom of the gripper, and the bevel gear at the bottom of the gripper meshes with the bevel gear inside the gripper.

[0010] In the above-mentioned belt-driven differential joint, a plate-tube split fixture is fixedly installed at the bottom of the motor mounting plate, and a plate tube is fixedly connected in the plate-tube split fixture.

[0011] Compared with the prior art, a belt-driven differential provided by the present utility model has the following beneficial effects: by arranging planetary gears on the inner sides of the toggle plate and the pivot plate, the planetary gears are respectively connected to the belt driven pulley and the bevel gear at the bottom of the gripper, and the planetary gears are driven by the drive motor and the belt driving pulley to achieve the differential function. The servo motor drives the bevel gear through the wrist shaft tube to realize the operation of the gripper. This structure has less energy loss and high transmission efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is an exploded schematic diagram of the present utility model.

[0014] In the figure: 1. Motor mounting plate; 2. Pivot plate; 3. Toggle plate; 4. Wrist shaft tube; 5. Fixture table; 6. Gripper; 7. Belt driven pulley; 8. Planetary gear; 9. Fastening bolt; 10. Pivot hub; 11. Drive motor; 12. Motor shaft; 13. Belt driving pulley; 14. Gripper servo plate; 15. Gripper servo bracket; 16. Servo motor; 17. Encoder housing; 18. Bevel gear; 19. Plate-tube split fixture; 20. Plate tube. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following are specific embodiments of the present utility model in combination with the drawings. The technical solutions of the present utility model will be further described, but the present utility model is not limited to these embodiments.

[0016] As Figures 1 to 2As shown in the figure, this embodiment includes a motor mounting plate 1, a pivot plate 2, and an elbow plate 3. The number of both the motor mounting plate 1 and the pivot plate 2 is two. The top of each motor mounting plate 1 is fixedly connected to the bottom of the corresponding pivot plate 2. The elbow plate 3 is fixedly installed at the top between the two pivot plates 2. The wrist shaft tube 4 is connected to the lower end of the elbow plate 3. Both ends of the fixture table 5 are fixedly connected to the middle of the motor mounting plate 1. The fixture table 5 is connected to the lower end of the wrist shaft tube 4 and the wrist shaft tube 4 passes through the fixture table 5. The gripper 6 is fixedly installed at the top of the elbow plate 3. Inside the bottom of the motor mounting plate 1, there are two driving motors 11 installed. Each driving motor 11 has a motor shaft 12 extending out and the motor shaft 12 penetrates through the motor mounting plate 1. The belt driving pulley 13 is fixed to the outside of the bottom of the motor mounting plate 1 and is connected to the motor shaft 12. On the outside of the connection between the motor mounting plate 1 and the pivot plate 2, a belt driven pulley 7 is fixedly installed. During use, a conveyor belt is sleeved on the belt driving pulley 13 and the belt driven pulley 7 to achieve transmission.

[0017] As Figures 1 to 2 shown, at the bottom and inside of the gripper 6, there are three bevel gears 18 fixed. Specifically, one bevel gear 18 is installed at the bottom of the gripper 6, and one bevel gear 18 is installed on each of the two sides inside the gripper 6. The bevel gear 18 at the bottom of the gripper 6 meshes with the bevel gears 18 on the two sides inside the gripper 6 respectively. The top of the wrist shaft tube 4 is fixedly connected to the bevel gear 18 at the bottom of the gripper 6. The bevel gear 18 at the bottom of the gripper 6 and the bevel gear 18 inside the gripper 6 mesh with each other.

[0018] As Figures 1 to 2 shown, inside the elbow plate 3 and the pivot plate 2, there are three planetary gears 8. Specifically, one planetary gear 8 is installed on each of the two sides inside the two pivot plates 2, and the third planetary gear 8 is installed at the bottom of the elbow plate 3. The planetary gears 8 located on the two sides inside the pivot plates 2 are connected to the belt driven pulley 7 through fastening bolts 9. The planetary gear 8 located at the bottom of the elbow plate 3 is connected to the bottom of the gripper 6 through a fastening bolt 9. The outside of the wrist shaft tube 4 is sleeved with a pivot hub 10, and the pivot hub 10 is connected to the inside of the planetary gear 8. The bottom of the pivot hub 10 is fixedly connected to a gripper 6 servo plate. The gripper 6 servo bracket is fixed to the bottom of the gripper 6 servo plate. The servo motor 16 is fixedly connected to the bottom of the gripper 6 servo bracket. One end of the servo motor 16 is located inside the fixture table 5, and the servo motor 16 is connected to the bottom of the wrist shaft tube 4. The servo motor 16 drives the wrist shaft tube 4 to operate.

[0019] Further elaborating, as Figures 1 to 2 shown, the outside of the belt driven pulley 7 is fixedly connected to an encoder housing 17. The encoder plays a role in improving the control accuracy of this embodiment.

[0020] Further elaborating, as Figures 1 to 2As shown, two plate-tube split clamps 19 are fixedly installed at the bottom of the motor mounting plate 1, and a plate tube 20 is fixedly connected in the plate-tube split clamp 19.

[0021] For further details, as Figures 1 to 2 shown, the motor mounting plate 1, the drive motor 11, and the belt driving pulley 13 are arranged in central symmetry.

[0022] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains may make various modifications or supplements to the described specific embodiments or use similar means for substitution, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0023] Although various terms are used more frequently herein, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A belt drive differential joint, comprising a motor mounting plate (1), a pivot plate (2) and a toggle plate (3), characterized in that: The number of the motor mounting plate (1) and the number of the pivot plate (2) are both two, and the top of the motor mounting plate (1) is fixedly connected to the bottom of the pivot plate (2); the toggle plate (3) is fixedly installed on the top of the pivot plate (2); the lower end of the toggle plate (3) is fixedly connected to a wrist shaft tube (4); the lower end of the wrist shaft tube (4) is connected to a fixture table (5), and both ends of the fixture table (5) are fixedly connected to the motor mounting plate (1); a clamp (6) is arranged on the top of the toggle plate (3); a belt driven pulley (7) is fixedly installed on the outer side of the top end of the motor mounting plate (1); three planetary gears (8) are arranged on the inner sides of the toggle plate (3) and the pivot plate (2); the planetary gears (8) are arranged on the inner sides of the toggle plate (3) and the pivot plate (2); A fastening bolt (9) is fixed on the inner side of the wheel (8), and the planetary gear (8) is connected to the clamp (6) and the belt driven pulley (7) respectively through the fastening bolt (9). The wrist axis tube (4) is provided with a pivot hub (10) on the outside, and the pivot hub (10) is connected to the inner side of the planetary gear (8). A driving motor (11) is installed on the inner side of the bottom of the motor mounting plate (1), and a motor shaft (12) extends from the driving motor (11) and the motor shaft (12) passes through the motor mounting plate (1). A belt driving pulley (13) is fixed on the outer side of the bottom of the motor mounting plate (1), and the belt driving pulley (13) is fixedly connected to the motor shaft (12).

2. A belt-driven differential joint according to claim 1, characterized in that: The bottom of the pivot hub (10) is fixedly connected to a clamp (6) servo plate, the bottom of the clamp (6) servo plate is fixedly connected to a clamp (6) servo bracket, the bottom of the clamp (6) servo bracket is fixedly connected to a servo motor (16), one end of the servo motor (16) is located inside the fixture table (5), and the servo motor (16) is connected to the wrist axis tube (4).

3. A belt-driven differential joint according to claim 1, characterized in that: An encoder housing (17) is fixedly connected to the outer side of the belt driven pulley (7).

4. A belt-driven differential joint according to claim 1, characterized in that: A bevel gear (18) is fixed at the bottom and inside of the clamp (6); the top of the wrist shaft tube (4) is fixedly connected to the bevel gear (18) at the bottom of the clamp (6); and the bevel gear (18) at the bottom of the clamp (6) and the bevel gear (18) inside the clamp (6) are meshed with each other.

5. The belt-driven differential joint according to claim 1, characterized in that: A plate-tube split clamp (19) is fixedly mounted on the bottom of the motor mounting plate (1), and a plate tube (20) is fixedly connected to the plate-tube split clamp (19).

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