CN217761904U

CN217761904U - Transmission planetary gear box

Info

Publication number: CN217761904U
Application number: CN202221255952.4U
Authority: CN
Inventors: 莫振
Original assignee: Dongguan Runyue Precision Plastic Mould Products Co ltd
Current assignee: Dongguan Runyue Precision Plastic Mould Products Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-08
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a transmission planetary gear case, including the gear box main part, the gear box main part in include motor, motor helical gear, one-level planet helical gear, connecting rod one, disc one, off-loading dish, off-loading helical gear, second grade planet helical gear, connecting rod two, disc two, straight-teeth gear one, straight-teeth gear two, connecting rod three, half gear, sensor straight-teeth gear, the half gear other end be equipped with the output shaft that stretches out the casing outside. The utility model discloses a transmission planetary gear case loops through motor helical gear and one-level planet helical gear meshing, and off-loading helical gear and second grade planet helical gear meshing, straight-teeth gear one and straight-teeth gear two meshing and through the adapting unit between the torsion effect and the steady transmission of gear reinforcing.

Description

Transmission planetary gear box

Technical Field

The utility model relates to a gear box technical field specifically indicates a transmission planetary gear case.

Background

The planetary gear box is a mechanism with a plurality of planetary gears rotating around a sun gear, and is also a mechanism for reducing transmission speed ratio and increasing motor torsion proportionally.

In the long-term use process of the gear box, the gear is easy to wear because the gear is directly matched with the planet carrier, so that the strength and the precision of the gear are influenced, and the gear cannot be stably output.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve above problem, provide a transmission planetary gear case that can steady transmission, reinforcing torsion effect.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a transmission planetary gear case, includes the gear box main part, the gear box main part include casing and motor shell protective sheath, motor shell protective sheath in be equipped with the electric motor, motor shell protective sheath opening part connect and be equipped with motor fixed cover, motor fixed cover be connected with casing one end, motor transmission shaft stretch out motor fixed cover and connect and be equipped with motor helical gear, motor helical gear be located the lateral wall cooperation of casing and be equipped with one-level planet helical gear, one-level planet helical gear's quantity be three, one-level planet helical gear center peg graft and be equipped with connecting rod one, the connecting rod other end between be equipped with disc one, disc one other end be equipped with the recess, recess inner wall evenly be equipped with a plurality of notches along the circumferencial direction, recess fit in-cut peg graft and be equipped with the offloading disc, offloading disc other end fixed be equipped with offloading helical gear, offloading disc lateral wall cooperation be equipped with second grade planet helical gear, second grade planet helical gear's quantity be three, second grade planet helical gear center peg graft connecting rod be equipped with two discs between the other end, disc two other end fixed be equipped with straight-tooth gear lateral wall, the straight-tooth gear lateral wall is equipped with straight-tooth gear lateral wall the straight-tooth gear output shaft is equipped with the straight-tooth gear center connection straight-tooth gear shell, the other end of connecting rod is equipped with the straight-tooth gear lateral wall connect the straight-tooth gear.

As the improvement, the motor helical gear on cup joint and be equipped with one-level five metals gasket, off-loading helical gear lateral wall cup joint and be equipped with second grade five metals gasket, straight-teeth gear lateral wall cup joint and be equipped with tertiary five metals gasket.

As an improvement, one end of the sensor straight gear, which is far away from the third connecting rod, is provided with a connecting shaft, and the connecting shaft is sequentially sleeved with a sensor line output control board and a sensor resistor.

As an improvement, an output shaft bearing is sleeved on the side wall of the output shaft, and an output shaft rubber ring matched with the gear box surface cover is sleeved at one end, close to the gear box surface cover, of the output shaft.

As an improvement, the inner ring of the shell is provided with gear rings respectively matched with the primary planetary helical gear, the secondary planetary helical gear and the spur gear II.

As an improvement, the motor shell protective sleeve and the motor fixing cover, the motor fixing cover and the shell, and the shell and the gear case surface cover are respectively connected through screws.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses a transmission planetary gear case loops through motor helical gear and one-level planet helical gear meshing, and off-loading helical gear and second grade planet helical gear meshing, straight-teeth gear one and straight-teeth gear two meshing and through the adapting unit between the torsion effect and the steady transmission of gear reinforcing.

Drawings

Fig. 1 is an explosion diagram of a transmission planetary gear box of the present invention.

Fig. 2 is an exploded view of a transmission planetary gear box of the present invention.

As shown in the figure: 1. a gear case main body; 2. a housing; 3. a motor housing protective sleeve; 4. an electric motor; 5. a motor fixing cover; 6. a motor bevel gear; 7. a primary planetary helical gear; 8. a first connecting rod; 9. a first disc; 10. a groove; 11. an unloading disc; 12. load reducing helical gears; 13. a secondary planet bevel gear; 14. a second connecting rod; 15. a second disc; 16. a first straight gear; 17. A second straight gear; 18. a third connecting rod; 19. a half gear; 20. a sensor spur gear; 21. an output shaft; 22. a gear case face cover; 23. a first-level hardware gasket; 24. a second level hardware gasket; 25. a sensor line output control panel; 26. a sensor resistance; 27. an output shaft bearing; 28. an output shaft rubber ring; 29. three-level five metals gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine figure 1 and figure 2, a transmission planetary gear case, including gear box main part 1, gear box main part 1 include casing 2 and motor shell protective sheath 3, motor shell protective sheath 3 in be equipped with motor 4, 3 openings of motor shell protective sheath connect and be equipped with motor fixed lid 5 for protection motor 4 makes it insulating with the external environment in the use, prevents the problem of motor electric leakage abnormal damage, plays the effect of protection motor 4.

Motor fixed cover 5 be connected with 2 one end of casing, motor 4 transmission shaft stretch out motor fixed cover 5 and connect and be equipped with motor helical gear 6, by motor 4 drive output transmission function, motor helical gear 6 be located the lateral wall cooperation of casing 2 and be equipped with one-level planet helical gear 7, the quantity of one-level planet helical gear 7 be three, one-level planet helical gear 7 center peg graft and be equipped with connecting rod 8, 8 other ends of connecting rod be equipped with disc 9 between, make one-level planet helical gear 7 and motor helical gear 6 cooperation use motor helical gear 6 to rotate as the center, drive disc 9 and rotate.

The other end of the first disk 9 is provided with a groove 10, the inner wall of the groove 10 is uniformly provided with a plurality of notches along the circumferential direction, an unloading disk 11 is inserted in the groove 10 in a matching mode, the unloading disk 11 is fixed in the groove 10, the unloading disk 11 rotates along with the first disk 9, when the output driving torque load is smaller than the driven torque load, an elastic function is achieved, the load of the output driving torque is reduced, the meshed gears are protected from being damaged in the transmission overload process of the gears, a load protection effect is achieved, an unloading helical gear 12 is fixedly arranged at the other end of the unloading disk 11, the side wall of the unloading helical gear 12 is provided with two-stage planetary helical gears 13 in a matching mode, the number of the two-stage planetary helical gears 13 is three, a second connecting rod 14 is inserted in the center of the two-stage planetary helical gears 13, a second disk 15 is arranged between the other ends of the second connecting rods 14, the unloading helical gears 12 and the unloading disk 11 rotate synchronously, the two-stage planetary helical gears 13 and the unloading helical gears 12 are matched to rotate around the unloading helical gears 12, and drive the second disk 15 to rotate.

The other end of the second disk 15 is fixedly provided with a first straight gear 16 and rotates along with the second disk 15, the second fixed disk 15 outputs power in the same circumferential transmission mode to achieve the effects of center positioning and distance movement output, the first straight gear 16 and the second straight gear 17 are arranged on the side wall of the first straight gear in a matched mode, the number of the second straight gear 17 is four, the third straight gear 17 is provided with a third connecting rod 18 in a spliced mode, the other end of the third connecting rod 18 is provided with a half gear 19 in a connected mode, the second straight gear 17 rotates by taking the first straight gear 16 as the center to drive the half gear 19 to rotate, the side wall of the half gear 19 is provided with a sensor straight gear 20 in a matched mode, the other end of the half gear 19 is provided with an output shaft 21 extending out of the shell 2, and the output shaft 21 outputs final torque force in a transmission mode to achieve the effect of final output torque force of the gear box.

The side wall of the output shaft 21 is sleeved with a gear box surface cover 22 connected with the shell 2, and the output shaft 21 is fixed for stable transmission.

Motor helical gear 6 on cup joint and be equipped with one-level five metals gasket 23, the 12 lateral walls of off-loading helical gear cup joint and be equipped with second grade five metals gasket 24, a 16 lateral walls of straight-teeth gear cup joint and be equipped with tertiary five metals gasket 29, make gear drive operate on the plane of face, make the gear end face balanced, play the balancing act.

Sensor straight-tooth gear 20 keep away from the one end of connecting rod three 18 and be equipped with the connecting axle, the connecting axle on cup joint in proper order and be equipped with sensor circuit output control panel 25 and sensor resistance 26, sensor straight-tooth gear 20 and the meshing transmission of half-gear 19 are exported sensor circuit output control panel 25, can make sensor resistance 26 function transmission position obtain control, the meshing transmission effect.

An output shaft bearing 27 is sleeved on the side wall of the output shaft 21, an output shaft rubber ring 28 matched with the gear box face cover 22 is sleeved on one end, close to the gear box face cover 22, of the output shaft 21, the output shaft bearing 27 enables the transmission of the output shaft 21 to be more balanced and stable, the transmission load force of the output shaft 21 is reduced, the abrasion of the output shaft 21 when the output shaft contacts with the side is reduced, and the transmission of the power-assisted output shaft 21 is balanced; the output shaft rubber ring 28 plays a role in sealing, and gear oil in the device is prevented from overflowing.

And the inner ring of the shell 2 is provided with gear rings respectively matched with the primary planetary helical gear 7, the secondary planetary helical gear 13 and the second spur gear 17, so that the transmission operation of each stage of gear is stabilized, the output torque of transmission is enhanced, and the effects of stabilizing transmission and enhancing the torque of the gear are achieved.

The motor casing protective sheath 3 and the motor are fixed between the lid 5, the motor is fixed between the lid 5 and the casing 2, the casing 2 and the gear box face cover 22 are respectively connected through screws, so that each part is tightly connected, and the effect of stable output transmission is achieved.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims

1. A transmission planetary gearbox comprising a gearbox body (1), characterized in that: the gearbox main body (1) comprises a shell (2) and a motor shell protective sleeve (3), a motor (4) is arranged in the motor shell protective sleeve (3), a motor fixing cover (5) is connected to an opening of the motor shell protective sleeve (3), the motor fixing cover (5) is connected with one end of the shell (2), a transmission shaft of the motor (4) extends out of the motor fixing cover (5) and is connected with a motor helical gear (6), the motor helical gear (6) is positioned in the shell (2), a first-stage planet helical gear (7) is arranged in a matched manner on the side wall of the first-stage planet helical gear (7), a plurality of notches are uniformly arranged on the inner wall of each first-stage planet helical gear (7) along the circumferential direction, a first connecting rod (8) is arranged in an inserted manner at the center of the first-stage planet helical gear (7), a first disc (9) is arranged between the other ends of the first connecting rod (8), a groove (10) is arranged at the other end of the first disc (9), a plurality of notches are uniformly arranged on the inner wall of the groove (10), a load reducing disc (11) is arranged in an inserted manner in a matched manner, a second-planet helical gear (13) is arranged on the inner wall of the second-stage helical gear (12), a second-planet helical gear (13) is arranged on the side wall of the second-planet helical gear (13), connecting rod two (14) the other end between be equipped with disc two (15), disc two (15) the other end fixed be equipped with straight-teeth gear (16), straight-teeth gear (16) lateral wall cooperation be equipped with straight-teeth gear two (17), the quantity of straight-teeth gear two (17) be four, straight-teeth gear two (17) center peg graft and be equipped with connecting rod three (18), the connecting rod three (18) other end between connect and be equipped with half gear (19), half gear (19) lateral wall cooperation be equipped with sensor straight-teeth gear (20), half gear (19) other end be equipped with output shaft (21) that stretch out casing (2) the outside, output shaft (21) lateral wall cup joint and be equipped with gear box face lid (22) be connected with casing (2).

2. A drive planetary gearbox according to claim 1 wherein: motor helical gear (6) on cup joint and be equipped with one-level five metals gasket (23), off-loading helical gear (12) lateral wall cup joint and be equipped with second grade five metals gasket (24), straight-teeth gear (16) lateral wall cup joint and be equipped with tertiary five metals gasket (29).

3. A drive planetary gearbox according to claim 1 wherein: and one end of the sensor straight gear (20), which is far away from the third connecting rod (18), is provided with a connecting shaft, and the connecting shaft is sequentially sleeved with a sensor line output control board (25) and a sensor resistor (26).

4. A drive planetary gearbox according to claim 1 wherein: an output shaft bearing (27) is sleeved on the side wall of the output shaft (21), and an output shaft rubber ring (28) matched with the gear box face cover (22) is sleeved at one end, close to the gear box face cover (22), of the output shaft (21).

5. A drive planetary gearbox according to claim 1 wherein: and the inner ring of the shell (2) is provided with gear rings respectively matched with the primary planetary helical gear (7), the secondary planetary helical gear (13) and the straight gear II (17).

6. A drive planetary gearbox according to claim 1 wherein: the motor casing protective sleeve (3) is connected with the motor fixing cover (5), the motor fixing cover (5) is connected with the shell (2), and the shell (2) is connected with the gear case surface cover (22) through screws.